| Patent Number |
Title Of Patent |
Date Issued |
| 6966630 |
Inkjet head |
November 22, 2005 |
| An inkjet recording head characterized by better ink repellency, greater resistance to abrasion and a longer service life than a conventional product can be attained when an ink repellent layer comprising a compound made up of a perfluoropolyether chain and alkoxysilane residue is formed |
| 6917495 |
Magnetic disk drive |
July 12, 2005 |
| A magnetic disk drive having a magnetic disk, a spindle motor for rotating the magnetic disk, a magnetic head slider for recording or reproducing data onto or from the magnetic disk and a housing. A control circuit system is provided for controlling the head slider so that the head slide |
| 6869536 |
Lubricant, magnetic disk and magnetic disk apparatus |
March 22, 2005 |
| A lubricant which does not splash easily and has an improved property of slidableness, and a magnetic disk using the lubricant are provided. A magnetic disk apparatus featuring a prolonged service life of a stable operation and an excellent record reproduction property is provided by |
| 6835350 |
Flat cell and an analyzer using the same |
December 28, 2004 |
| A measurement cell for analyzer for carrying out qualitative and/or quantitative analysis for one or more substances by an optical means, which is planar and has sample-holding portions, the contact angle between said sample-holding portion and water being 30.degree. or less, and the |
| 6816341 |
Hard disk drive utilizing second lubricant over a first lubricant having a phosophezine group |
November 9, 2004 |
| A recording element or a reproducing element in a head generates heat that decomposes lubricating agent adhered to a slider surface near the recording/reproducing element of the head. This decomposed lubricating agent leads to corrosion of the magnetic layer and the like of the magne |
| 6764654 |
Flat cell and an analyzer using the same |
July 20, 2004 |
| A measurement cell for analyzer for carrying out qualitative and/or quantitative analysis for one or more substances by an optical means, which is planar and has sample-holding portions, the contact angle between said sample-holding portion and water being 30.degree. or less, and the |
| 6665147 |
Magnetic disk drive with supply of perfluoropolyether as lubricant |
December 16, 2003 |
| A magnetic disk drive having a small decrease in lubricant film thickness on the surface of the magnetic disk and a superior sliding reliability between the magnetic head and the magnetic disk surface. Perfluoropolyether is supplied as the lubricant onto the surface of the magnetic d |
| 6632780 |
Highly thermal conductive grease composition and cooling device using the same |
October 14, 2003 |
| There are provided a highly thermal conductive grease composition having both a thermal conductivity and a satisfactory dispense property, and a cooling device applied with same. The grease composition comprises from 70 to 90% by volume of an inorganic powder which is a mixture containin |
| 6555197 |
Lubricant, magnetic disk and magnetic disk apparatus |
April 29, 2003 |
| A lubricant which does not splash easily and has an improved property of slidableness, and a magnetic disk using the lubricant are provided. A magnetic disk apparatus featuring a prolonged service life of a stable operation and an excellent record reproduction property is provided by |
| 6543360 |
Printing plate and printer using it |
April 8, 2003 |
| A printing system is provided which ensures easy formation of a plate and regeneration of the plate for continued use. The press plate used in a the printing system to form an image using a water-based ink is characterized in that, (I) prior to formation of a latent image, the surface fo |
| 6443375 |
Fuel injection valve coated with anti-fouling perfluoropolyether film layer and associated metho |
September 3, 2002 |
| A fuel injection valve for a direct gasoline injection engine, a direct injection engine, and an automobile using the same. The fuel injection valve can prevent the deposits produced during combustion of gasoline from accumulating on the surface of the fuel injection valve, or easily rem |
| 6431473 |
Fuel injection valve coated with anti-fouling perfluoropolyether film layer and associated metho |
August 13, 2002 |
| The invention provides for a fuel injection valve for a direct gasoline injection engine, a direct injection engine and an automobile using the same, which can prevent the deposits produced during combustion of gasoline from accumulating on the surface of the fuel injection valve, or |
| 6329023 |
Process for producing a magnetic head slider |
December 11, 2001 |
| A magnetic hard disk drive comprising a magnetic disk and a magnetic head slider, characterized in that said magnetic head slider is coated with a layer having a contact angle of 50.degree. or more when measured by using a lubricant coated on the magnetic disk, is free from start failure |
| 6323163 |
Fluorocompound, lubricant, surface modifier, lubricating film, magnetic recording medium, and ma |
November 27, 2001 |
| The present invention is a fluorine-containing compound having i) a perfluoropolyoxyalkyl or -alkylene chain having an average molecular weight of 800 or more and ii) a cyclic or non-cyclic polyether atomic group. Its use as a low-scattering lubricant or surface modifier (water repel |
| 6296917 |
Magnetic disk and magnetic recording/reproduction apparatus |
October 2, 2001 |
| A lubricating film is provided for a magnetic disk having a data region and a CSS region formed on its surface. The lubricating film ensures low stiction and good resistance to contact sliding in the data region and also ensures good CSS durability in the CSS region. Therefore, it is |
| 6273348 |
Fuel injection valve and direct injection engine using the same |
August 14, 2001 |
| The invention provides for a fuel injection valve for a direct gasoline injection engine, a direct injection engine and an automobile using the same, which can prevent the deposits produced during combustion of gasoline from accumulating on the surface of the fuel injection valve, or |
| 6249403 |
Magnetic hard disk drive and process for producing the same |
June 19, 2001 |
| A magnetic hard disk drive comprising a magnetic disk and a magnetic head slider, characterized in that said magnetic head slider is coated with a layer having a contact angle of 50.degree. or more when measured by using a lubricant coated on the magnetic disk, is free from start failure |
| 6176094 |
Refrigerating machine oil composition, and refrigeration and compressor using the refrigerating |
January 23, 2001 |
| The present invention relates to a refrigerating machine oil composition, which is composed of a base oil as a main component containing a single component of a compound or a mixture of compounds selected from the group consisting of cyclic carbonates and aliphatic carbonate derivatives. |
| 6087072 |
Article having a light-controllable super-water-repellent surface and a printing machine using t |
July 11, 2000 |
| The present invention relates to an article with a surface having an contact angle with water of at least 150.degree. or more in which the contact angle with water on the surface is lowered to less than 150.degree. by photo-irradiation to the surface. According to the present inventi |
| 6068911 |
Super water-repellent coating material, and super water-repellent coating film using the same |
May 30, 2000 |
| A super water-repellent coating film is formed of a super water-repellent coating material comprising an organic coating material composed of organic polymer, a filler mixture composed of plural kinds of fillers of at least 5 nm in average particle diameter, which is dispersed in the |
| 6027852 |
Article having a light-controllable super-water-repellent surface and a printing machine using t |
February 22, 2000 |
| The present invention relates to an article with a surface having an contact angle with water of at least 150.degree. or more in which the contact angle with water on the surface is lowered to less than 150.degree. by photo-irradiation to the surface. According to the present inventi |
| 5985403 |
Magnetic recording medium and magnetic recording reproducer |
November 16, 1999 |
| A magnetic recording medium comprising a non-magnetic substrate and a magnetic layer and a protective layer which are formed on the non-magnetic substrate in that order, wherein a substance(s) as a single component or a plurality of components, which constitute a liquid continuously supp |
| 5830834 |
Ammonium carboxylate type fluorine-containing compound, solid surface modifier containing the sa |
November 3, 1998 |
| A magnetic recording medium is produced by coating a body having (a) a non-magnetic substrate, (b) at least one magnetic substance layer formed on the non-magnetic substrate and (c) at least one protective layer formed on the magnetic substance layer which contains at least one member |
| 5820964 |
Magnetic disk, and magnetic disk apparatus |
October 13, 1998 |
| The present invention is aimed at providing a magnetic disk and a magnetic disk apparatus both of which have a high performance lubricating film which makes continuous sliding endurance and low adhesiveness compatible, and a lubricating film having a self repairing function which makes i |
| 5561659 |
Optical information recording medium |
October 1, 1996 |
| An optical information recording medium comprising a substrate and formed thereon an information recording layer comprising at least two organic dyes having different chemical structures and continuous playback ability of 10.sup.5 times or more at a playback laser power of 0.5 to 1.5 mW, |
| 5549835 |
Apparatus equipped with a cooling block unit having sliding parts and a compound used to the sam |
August 27, 1996 |
| Disclosed are an apparatus having sliding parts and a compound for preventing diffusion or separation of a base oil; and a compound for preventing diffusion or separation of the base oil used for the apparatus: an electronic or electric appliance using a joul heat generating source, |
| 5536578 |
Magnetic recording medium comprising a protective layer and a layer of ammonium carboxylate fluo |
July 16, 1996 |
| A magnetic recording medium is produced by coating a body having (a) a non-magnetic substrate, (b) at least one magnetic substance layer formed on the non-magnetic substrate and (c) at least one protective layer formed on the magnetic substance layer which contains at least one member |
| 5456980 |
Ammonium carboxylate lubricant and magnetic recording medium using the same |
October 10, 1995 |
| A lubricant comprising a multifunctional ammonium carboxylate represented by the general formula (1) and a magnetic recording medium comprising a non-magnetic support having a magnetic layer thereon, on the top of which a protective film is formed, wherein the lubricant is coated on the |
| 5346633 |
Method for surface treatment of a body, surface treatment agent, surface treated body, surface t |
September 13, 1994 |
| Object of the present invention is to provide an apparatus in which water, oil or grease are maintained on an ordinary using surface in a stable condition by preventing the water, the oil or the grease from moving to other surface than the ordinary using surface.The present invention rel |
| 5281512 |
Optical information recording medium |
January 25, 1994 |
| An optical information recording medium comprising a substrate and formed thereon an information recording layer comprising at least two organic dyes having different chemical structures and continuous playback ability of 10.sup.5 times or more at a playback laser power of 0.5 to 1.5 mW, |
| 5252418 |
Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophoto |
October 12, 1993 |
| An electrophotographic photoreceptor comprising a photoconductive layer comprising a photoconductor, a support for the photoconductive layer and a surface layer formed on the photoconductive layer and comprising a curable resin film and an inorganic insulator pieces having a size larger |
| 5223342 |
Magnetic recording medium having a lubricating layer comprising a binder and specified perfluoro |
June 29, 1993 |
| A magnetic recording medium comprising a non-magnetic substrate and a magnetic layer formed thereon, at least the surface portion of said magnetic layer being made from an organic compound having a perfluoro group and a hydrocarbon group is excellent in durability and exhibits good l |
| 5219651 |
Magnetic recording apparatus comprising a magnetic recording medium and a magnetic head each coa |
June 15, 1993 |
| A magnetic recording medium which comprises a non-magnetic substrate, a thin film magnetic layer formed on the surface of the substrate and an organic thin film protective layer formed on the magnetic layer, the organic thin film protective layer having a thickness of not more than 100 |
| 5204202 |
Electrophotographic photosensitive element comprising a protective layer with a porous surface i |
April 20, 1993 |
| An electrophotographic photosensitive element, e.g. for a photocopier or laser printer, comprises a substrate and a plurality of layers on the substrate including a photoconductive layer of a-Si:H and a protective and lubricating layer which is outermost from said substrate. To provide w |
| 5157066 |
Fluoroalkyl ether, surface modifying composition and method for modifying surface |
October 20, 1992 |
| A solid surface modifying composition comprising a film forming material and a fluoroalkyl ether ((Rf).sub.m (CONH--X--NHCO--Y).sub.m (m=1 or 2; Rf: perfluoropolyether chain; X: ##STR1## etc.; ##STR2## etc.) provides surfaces with such improvements as durable water and oil |
| 5128435 |
Magnetic recording medium based on epoxy resins modified by isocyanates with poly(perfluoroether |
July 7, 1992 |
| A resin composition comprising an epoxy resin and an isocyanate group-containing fluorine compound is particularly suitable for covering a magnetic recording medium comprising a non-magnetic substrate and formed thereon a thin magnetic film so as to give excellent sliding durability. |
| 5073466 |
Electrophotographic member containing a fluorine-containing lubricating agent and process for pr |
December 17, 1991 |
| An electrophotographic member comprising a support, a photoconductive layer formed thereon, and a surface layer formed thereon, said surface layer including or attaching a lubricating agent having a perfluoropolyoxyalkyl or perfluoropolyoxyalkylene group to form an organic surface protec |
| 5071715 |
Magnetic recording medium with a lubricant layer containing a perfluoro polyoxyalkyl compound |
December 10, 1991 |
| A magnetic recording medium comprising a non-magnetic substrate and a magnetic layer formed thereon, at least the surface portion of said magnetic layer being made from an organic compound having a perfluoro group and a hydrocarbon containing group is excellent in durability and exhi |
