| Patent Number |
Title Of Patent |
Date Issued |
| 7432031 |
Toner for electrostatic charge developing, production method thereof, developer for electrostati |
October 7, 2008 |
| A toner for electrostatic charge developing prepared by a production method including aggregating one or more kind of particles in a raw material dispersion including the particles to form aggregated particles, and coalescing the aggregated particles by heating. At least one kind of |
| 7201465 |
Ink jet printing apparatus |
April 10, 2007 |
| There is provided a small, low-cost, and highly reliable ink jet printing apparatus capable of performing a recovery operation smoothly and forming an image with a stabilized quality. More specifically, when a suction recovery operation for a printing head for ejecting ink is performed, |
| 6913340 |
Ink jet recording apparatus and cleaning portion of such recording apparatus |
July 5, 2005 |
| The present invention provides an ink jet recording apparatus which can maintain stable recording quality by adequately removing ink remaining on discharge ports during cleaning processing of a recording head, and a cleaning mechanism portion for such a recording apparatus. After a c |
| 6883897 |
Ink jet recording apparatus and cleaning unit thereof |
April 26, 2005 |
| In an inkjet recording apparatus which is equipped with a recording head having a discharge opening surface on which plural different-length discharge opening arrays are disposed in parallel, plural wipers are provided for wiping off the discharge opening surface in a direction inter |
| 6601989 |
X-ray film development device |
August 5, 2003 |
| An X-ray film development device performs development, fixing, rinsing, and drying processes while transporting an exposed X-ray film. A rinsing unit is provided with a light source, which illuminates the X-ray film during transportation, and a reading unit, which receives the passing li |
| 6377415 |
Storage device having head IC confirmation processing |
April 23, 2002 |
| The storage device according to the present invention comprises head ICs 117.sub.1 and 117.sub.2 provided in correspondence to a plurality of magnetic disks 111.sub.1 and 111.sub.n. When selected, the head IC 117.sub.1 outputs a first IC current I1 and the head IC 117.sub.2 outputs a |
| 6301206 |
Optical disc drive apparatus and optical disc drive control method |
October 9, 2001 |
| The present invention provides an optical disc drive apparatus comprising: an optical unit (2) for reading out a data recorded on an optical disc (1) from a position specified by a servo signal; a signal processor (4) for calculating and amplifying the data which has been read out by sai |
| 5238870 |
Exposure process for writing a pattern on an object |
August 24, 1993 |
| A method for exposing a surface of an object to a radiation beam for writing a pattern thereon. The method includes the steps of producing a radiation, shaping the radiation to form a shaped radiation beam such that the shaped radiation beam has an elongated cross section extending in a |
| 5210301 |
Squarium compounds, process for preparing the same and electrophotographic photoreceptors contai |
May 11, 1993 |
| Novel squarium compounds which have a flat photosensitivity in the wide range from visible ray region to the near infrared ray region as a charge generator and which can be prepared by reacting squaric acid and an aniline derivative, and electrophotographic photoreceptors containing the |
| 5055615 |
Novel Squarium compounds, a process for preparing them and electrophotographic photoreceptors co |
October 8, 1991 |
| Novel squarium compounds which have a flat photo-sensitivity in the wide range from the visible ray region to the near infrared ray region as a charge generator and which can be prepared by reacting squaric acid and an aniline derivative, and electrophotographic photoreceptors containing |
| 5024911 |
Electrophotographic photoreceptor having an electric charge generating layer comprising a pyryli |
June 18, 1991 |
| An electrophotographic photoreceptor is disclosed, comprising an electrically conductive substrate having thereon and a light-sensitive layer, said light-sensitive layer comprising an electric charge generating layer and an electric charge transporting layer, wherein the electric cha |
| 5023356 |
Novel tetracyanoanthraquinodimethane derivatives and process for producing same |
June 11, 1991 |
| A novel tetracyanoanthraquinodimethane derivative and a process for producing it are disclosed, the tetracyanoanthraquinodimethane derivative being represented by formula: ##STR1## wherein R, m, and n are as defined in the specification. A solid charge transfer complex of the tet |
| 4990634 |
Novel tetracyanoanthraquinodimethane derivatives and process for producing same |
February 5, 1991 |
| A novel tetracyanoanthraquinodimethane derivative and a process for producing it are disclosed, the tetracyanoanthraquinodimethane derivative being represented by formula: ##STR1## wherein R, m, and n are as defined in the specification. A solid charge transfer complex of the tet |
| 4928298 |
Information-bearing sheet for X-ray film |
May 22, 1990 |
| The specification describes an information-bearing sheet suitable for use with an X-ray film. The sheet is formed of a mark-bearing portion, which is to be applied to the X-ray film and exposed to X-ray upon taking an X-ray picture of an object, and a data-filling portion bearing, in a f |
| 4908289 |
Photoreceptor for electrophotography |
March 13, 1990 |
| Novel squarylium compounds, a process for the production thereof as well as to a photoreceptor for electrophotography containing the squarylium compound are disclosed, said squarylium compounds being represented by formula (I) or (II): ##STR1## wherein X is a hydrogen atom, an al |
| 4833263 |
Novel electron-accepting compound and method for preparing the same |
May 23, 1989 |
| An electron-accepting compound represented by the formula (I): ##STR1## wherein R represents a hydrogen atom or --B(Mes).sub.2 and Mes represents a mesityl group.A method for preparing an electron-accepting compound represented by the above-described formula (I), which comprises cond |
| 4752650 |
Photoreceptor for electrophotography |
June 21, 1988 |
| Novel squarylium compounds, a process for the production thereof as well as to a photoreceptor for electrophotography containing the squarylium compound are disclosed, said squarylium compounds being represented by formula (I) or (II): ##STR1## wherein X is a hydrogen atom, an al |
| 4707427 |
Squarylium compound in an electrophotographic element |
November 17, 1987 |
| Novel squarylium compounds, a process for the production thereof as well as to a photoreceptor for electrophotography containing the squarylium compound are disclosed, said squarylium compounds being represented by formula (I): ##STR1## wherein R is a straight-chain alkyl group h |
| 4700001 |
Novel squarylium compound and photoreceptor containing same |
October 13, 1987 |
| Novel squarylium compounds, a process for the production thereof as well as to a photoreceptor for electrophotography containing the squarylium compound are disclosed, said squarylium compounds being represented by formula (I): ##STR1## wherein R is a straight-chain alkyl group h |
| 4626485 |
Substituted squarium compounds, process for preparing the same and electrophotographic photorece |
December 2, 1986 |
| Novel squarium compounds which have a flat photosensitivity in the wide range from visible ray region to the near infrared ray region as a charge generator and which can be prepared by reacting squaric acid and an aniline derivative, and electrophotographic photoreceptors containing the |
