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Oji Paper Co., Ltd. Patents
Assignee:
Oji Paper Co., Ltd.
Address:
Tokyo-to, JP
No. of patents:
180
Patents:


1 2 3 4


Patent Number Title Of Patent Date Issued
RE40488 Orientation measuring instrument September 9, 2008
It is possible to generate a resonance mode such that a dielectric resonator (20) can be resonated and an electric field vector leaking out from the resonator (20) exists by arranging antennas (22a and 22b) for the resonator (20). When a sample .[.(22).]. .Iadd.(25) .Iaddend.has diel
7423435 Method and apparatus for measuring grammage September 9, 2008
A grammage measuring apparatus including a dielectric resonator which is arranged only at one side surface of a sample; a shielding container with which the dielectric resonator is substantially covered except for a sample measuring surface; a microwave excitation device which causes the
7419708 Release sheet capable of thermal transfer recording and pressure-sensitive adhesive tape September 2, 2008
The present invention relates to a release sheet and an adhesive tape which display excellent releasability from an adhesive layer, excellent printing and print recordability for thermal transfer systems using an ink ribbon or the like, little susceptibility to slipping when release
7407700 Coated paper for printing August 5, 2008
A coated paper is white and glossy enough to give satisfaction as a printing paper, exhibits a good printability in offset sheet-fed printing and a high printing gloss, and does not degrade the print efficiency. The coated paper is characterized by having two or more coating layers c
7354884 Thermal recording material April 8, 2008
Disclosed is a heat-sensitive recording material comprising (a) a transparent film, (b) a heat-sensitive recording layer formed on one side of the transparent film, and containing an electron-donating compound, an electron-accepting compound, and a binder, (c) a protective layer formed
7344764 Thermal transfer receiving sheet March 18, 2008
There is provided a thermal transfer receiving sheet comprising a substrate, a barrier layer laminated on said substrate, and an image receiving layer laminated on said barrier layer, wherein said barrier layer and said image receiving layer are laminated on at least one side of said
7312177 Thermosensitive recording materials December 25, 2007
A thermosensitive recording material comprising a substrate sheet and a thermosensitive colored image-forming layer formed on at least one surface of the substrate sheet and comprising at least one colorless or light-colored dye precursor and a color-developing agent reactive with th
7303651 Ink jet recording paper December 4, 2007
Ink jet printing paper capable of providing, by using a low permeablity or a nonpermeable supporting sheet, a high surface glossiness and a high dot reproducibility of a silver halide photograph level, an excellent absorptivity of ink, and a high recording density, and preventing coc
7255918 Coated paper sheet August 14, 2007
A coated paper sheet provided with a coating layer formed on a paper sheet substrate and containing a pigment and a binder and optionally a pre-coated polyacrylamide-containing anionic acrylic resin layer formed between the substrate and coating layer, and having a 75.degree. specular
7192652 Rust preventive film for stretch packaging March 20, 2007
The stretch film for rustproof stretch packaging has an appropriate roll tack and sufficient self-tack to adhere to and package an object, such as a steel coil. This stretch film has an overall density of 0.870 to 0.935 g/cm.sup.3 and is composed of polyolefin resin, rust preventive agen
7160608 Coated paper January 9, 2007
A coated paper comprised of a paper substrate, at least one surface of which is provided with at least one coating layer, characterized in that the surface of said coating layer has cracks of a width of 0.2 to 3.0 .mu.m and a length of 3 to 1000 .mu.m in an amount of 1 to 1000 cracks
7138036 Monitoring device November 21, 2006
A monitoring apparatus is provided which can ensure the prevention of a paper break even in a poor installation environment. A light source (9) illuminates light (9a) on a lateral edge (1a) of wet paper (1) and a camera (5) captures light (9b) reflected therefrom. The camera (5) is a
7063265 Baggage tag and method for using baggage tag June 20, 2006
A baggage tag in which a recording layer is formed on one side of a laminate, a circuit element is placed on the side opposite to the recording layer of the laminate, the laminate is a laminate of a paper sheet and a plastic film. The Clark degree of the laminate including the record
7060336 Image receiver material June 13, 2006
An image receiver material which, even when wound on a roll of a smaller diameter in a printer, an image receiver sheet is not peeled, such that the image receiver material is not susceptible to running troubles in a printer. To this end, there is provided a seal type image receiver
7041349 Thermal transfer image recording composite sheet May 9, 2006
A thermal transfer image recording composite sheet has a lamination structure: (2) image receiving sheet section (including image receiving layer (D), image recording sheet substrate (C) and adhesive layer (E)) and (1) release sheet section (including release layer (B) and release sh
7006063 Display unit and display device February 28, 2006
A display unit includes a transparent hollow tube member, and a display liquid sealed in the transparent hollow tube member. The display liquid includes a liquid and at least one kind of charged or non-charged particle dispersed in the liquid. An image formed by a display device incl
6942919 Coated paper sheet September 13, 2005
A coated paper sheet having a coating layer formed on one or two surfaces of a substrate paper sheet and containing a pigment and a binder, wherein the pigment includes kaolin particles having an average particle size of 0.3 to 1.5 .mu.m and an aspect ratio L/W (L: major axis, W: minor a
6942754 Process for producing xylooligosaccharide from lignocellulose pulp September 13, 2005
Xylooligosaccharide is produced from a lignocellulose pulp by enzyme-treating a lignocellulose pulp with hemicellulase, filtering the resultant reaction mixture to separate a liquid fraction from the enzyme-treated pulp, subjecting the separated liquid fraction to a permeation treatm
6915981 Recording paper roll July 12, 2005
A recording paper roll in which a lengthy recording paper is wound by a bobbin comprises an adhesive tape as a means for adhering the initial take-up section of the recording paper to the bobbin. The adhesive tape comprises a layer of pressure sensitive adhesives provided on both sur
6902794 Coated paper for printing and manufacturing method thereof June 7, 2005
A coated paper used for printing and manufacturing method thereof. The coated paper comprises a coated layer mainly compose of a pigment and an adhesive on a base paper or paper web. The coated paper also comprises the thermal shrinkage force (R) which satisfies following formula when
6878670 Heat-sensitive recording material April 12, 2005
Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer formed on the support and containing a leuco dye, a developer and a binder, wherein the heat-sensitive recording material uses as the developer at least two hydroxy-diphenylsulfone
6875726 Heat-sensitive recording material and process for production of the same April 5, 2005
Disclosed are a heat-sensitive recording material which comprises at least (a) a support, (b) a heat-sensitive recording layer formed on at least one side of the support and containing an electron-donating compound and an electron-accepting compound and (c) a protective layer, the pro
6864865 Display unit, display device, and method for manufacturing the display device March 8, 2005
A display unit includes a transparent hollow tube member and at least one display element sealed in the transparent hollow tube member. The display element is capable of rotating independently in the hollow tube member. Also, the display element has a surface which is divided into a plur
6861388 Antifalsification recording paper and paper support therefor March 1, 2005
Disclosed are a paper support as well as a recording paper comprising the paper support and as formed thereon a recording layer, particularly a heat-sensitive recording layer, a transfer receiving layer for thermal fusion transfer recording or sublimation transfer recording or an ink
6858565 Thermosensitive recording material and novel color developer compounds February 22, 2005
Disclosed is a thermosensitive recording material comprising a sheet-shaped support and a thermosensitive recording layer which is formed on at least one surface of the support and comprises a colorless or light-colored dye precursor and a color developer capable of reacting with the dye
6858288 Wrap film February 22, 2005
A wrap film comprising a thermoplastic resin composition and having a longitudinal direction elongation at break of less than 100% and a longitudinal direction strength at 5% elongation of 150 cN/10 mm or less is disclosed. The thermoplastic resin composition comprises a polypropylen
6852378 Sheet for ink jet-recording February 8, 2005
An ink jet-recording sheet for forming recorded images using liquid ink comprises a combination of specific compounds, for instance, 1,2-bis(2-hydroxyethylthio)ethane and a homopolymers or copolymer of diallylamine type compounds such as poly(diallylamine)hydrochloride, poly(diallyla
6838137 Ink jet recording material and producing process thereof January 4, 2005
An ink jet recording material is constituted by a support and a recording layer on the support, in which a plurality of recording layer may be provided. At least one recording layer contains colloidal particles and a water-soluble resin. In order to produce the ink jet recording material
6824844 Ink jet recording medium November 30, 2004
An ink jet recording medium, capable of recording thereon ink images having excellent clarity and sharpness without blotting of ink images, includes an ink receiving layer formed on a support material and containing xerogel porous pigment particle, and has a such a specific feature that
6824646 Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and November 30, 2004
Lignocellulose pulp is bleached by bleaching a pulp in aqueous alkali solution with oxygen and treating the pulp with a hemicellulase, while a liquid fraction delivered from the enzyme treatment step is separated from the hemicellulase treated reaction mixture, and subjected to a penetra
6821556 Process for producing heat sensitive recording material November 23, 2004
Disclosed are a heat-sensitive recording material comprising a support, a heat-sensitive recording layer comprising a leuco dye and a developer, and a protective layer comprising a resin in the form of a film, the protective layer being obtained by coating the heat-sensitive recording
6794016 Recyclable water-resistant corrugated fiberboard sheet September 21, 2004
A water-resistant corrugated fiber board sheet having a high water resistance and capable of being recycled after the use contains a water-resistant linerboard adhered to both surfaces of a corrugated, water-resistant core sheet, The water repellency (JIS P8137) of at least one of bo
6784136 Heat-sensitive recording material August 31, 2004
Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer formed on the support and containing a leuco dye and a developer, the developer being N-p-toluenesulfonyl-N'-3-(p-toluenesulfonyloxy)phenylurea, and the heat-sensitive recordi
6783817 Ink jet recording sheet August 31, 2004
In an ink jet recording sheet including a substrate sheet having a base paper sheet and at least a front polyolefin laminate layer formed on at least a front surface of the base paper sheet, and an ink receiving layer formed on the front polyolefin laminate layer, the surface of the fron
6773770 Ink jet recording material and recording method August 10, 2004
An ink jet recording material appropriate to ink recording, preferably pigment ink recording, has an ink receiving layer formed on a support and including a pigment containing amorphous silica, alumina and/or alumino silicate, a binder, and a cationic resin having a cation equivalent of
6716492 Recording medium for ink-jet recording April 6, 2004
Disclosed herein is a recording medium for ink-jet recording, which comprises at least one first half-cut line formed in a machine direction (MD) and at least one second half-cut line perpendicular to the MD direction, wherein the half-cut lines are in the form of a series of perfora
6713160 Ink jet recording material March 30, 2004
An ink jet recording material which enables the recorded ink images to exhibit enhanced light fastness, water resistance and hot moisture resistance, includes an ink receiving layer formed on a support material and containing a light fastness-enhancing agent containing hydroquinone-.
6699817 Thermal transfer recording sheet March 2, 2004
A thermal transfer recording sheet having a high resistance to denting due to the nipping pressure and/or thermal printing pressure has a substrate sheet including a core sheet and polyester films laminated on the two surfaces of the core sheet and an image receiving layer formed on a
6689432 Ink jet recording material February 10, 2004
An ink jet recording material having excellent smoothness and gloss and capable of recording thereon ink images having high color density clarity, water resistance and sharpness comparative to the silver salt photographic images has a recording stratum formed on a substrate and comprisin
6685907 Process for producing silica particles suitable for use as filler for paper February 3, 2004
The present invention relates to a process for easily and efficiently producing silica particles having a narrow particle size distribution and a high porosity from inexpensive starting materials such as sodium silicate. The silica particles of the present invention can be obtained in
6680281 Heat-sensitive recording material January 20, 2004
Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive coloring layer formed on the support, wherein the heat-sensitive coloring layer contains either composite particles in which a leuco dye is contained in solid resin particles or microcapsules in
6677472 Bis (arylsulfonylaminocarbonylaminobenzoate) compounds and thermosensitive recording materials c January 13, 2004
A thermosensitive recording material having high whiteness and resistance to color formation under high temperature, high humidity conditions has a thermosensitive colored image-forming layer formed on a substrate sheet and includes a dye precursor, a binder and a color developing agent
6655730 Automobile interior headliner molding or forming member and an automobile interior headliner mem December 2, 2003
The problem to be solved is to provide an automobile interior headliner member which is improved in the film forming property of a complex plastic material used as a base material of the automobile interior headliner member, and has high rigidity and excellent heat resistance, size s
6632488 Ink jet recording material October 14, 2003
An ink jet recording material which includes a paper sheet substrate and an ink receiving layer containing a xerogel porous pigment and has excellent ink-absorption and reproducibility of ink images with high clarity and precision, exhibits a water-dipping expansion of 0.3% or less, dete
6620469 Ink jet recording sheet comprising a water repellent underlayer September 16, 2003
An ink jet recording sheet having a high water resistance and capable of recording thereon clear ink images includes a substrate polymeric film or sheet; an undercoat layer formed on the substrate and including a polymeric binder having a glass transition temperature of 50.degree. C. or
6566288 Electrically insulating non-woven fabric, a prepreg and a laminate May 20, 2003
A non-woven fabric comprising a principal component of para-aramid fiber chops bonded with each other by a binder, the para-aramid fiber chops having a mixture of (a) poly-p-phenylene-3,4'-diphenylether-terephthalamide fibers and (b) poly-p-phenylene-terephthalamide fibers and having
6565951 Ink jet recording sheet May 20, 2003
An ink-jet recording sheet, having an excellent ink absorption and capable of forming images with high color density and sharpness, includes a substrate and an ink-receiving layer, formed on the substrate, which includes a pigment, a self-emulsifying cationic resin including a water-
6565945 Composite printing film May 20, 2003
A films composite useful for various printing methods, and particularly UV ray flexographic printing, includes a top layer formed on a substrate film made from a synthetic polymer, particularly polypropylene, containing a binder resin and having an arithmetical mean roughness Ra of 0.2 t
6563024 Process for transformation of mature trees of Eucalyptus plants May 13, 2003
The present invention discloses a process for transforming mature trees of Eucalyptus plants comprising: induction adventitious shoots from segments of the explant obtained from an adult tree of a Eucalyptus plant, preculturing the adventitious shoots in infection induction medium, i
6562441 Ink jet recording medium May 13, 2003
A high-performance ink jet recording medium containing a pigment is provided, which has a crack-free, porous ink-receiving layer, and also excellent gloss, transparency and water resistance, and which provides high image quality and ink-drying property.The ink jet recording medium has at
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