Inventor · disambiguated record
Kazuharu Katagiri
Also filed as: KATAGIRI KAZUHARU · TAKASU YOSHIO
126 granted patents·2,672 citations·filing 1975–2002
99Inventor score
Top patents by PatentIndex Score
126 records- 0199US4775225ALiquid crystal device having pillar spacers with small base periphery width in direction perpendicular to orientation treatmentCANON KK·Filed 1986·Granted Oct 4, 1988·462 cites·5 claims
- 0298US4655561AMethod of driving optical modulation device using ferroelectric liquid crystalCANON KK·Filed 1984·Granted Apr 7, 1987·199 cites·140 claims
- 0397US4565761AElectrophotographic process utilizing an azulenium salt-containing photosensitive memberCANON KK·Filed 1984·Granted Jan 21, 1986·58 cites·18 claims
- 0496US5633652AMethod for driving optical modulation deviceCANON KK·Filed 1995·Granted May 27, 1997·176 cites·18 claims
- 0596US4551404ADisazo electrophotographic photosensitive memberCANON KK·Filed 1982·Granted Nov 5, 1985·40 cites·15 claims
- 0695US4647521AImage-holding member having top layer of hydrophobic silicaCANON KK·Filed 1984·Granted Mar 3, 1987·45 cites·34 claims
- 0794US4639089ALiquid crystal deviceCANON KK·Filed 1985·Granted Jan 27, 1987·114 cites·33 claims
- 0891US5034151AMesomorphic compound, ferroelectric liquid crystal composition containing same and ferroelectric liquid crystal deviceCANON KK·Filed 1989·Granted Jul 23, 1991·29 cites·10 claims
- 0991US4720173ADisplay having an orientation treatment between 0° and 15° to the spacer wallCANON KK·Filed 1985·Granted Jan 19, 1988·85 cites·21 claims
- 1090US4763995ASpacers with alignment effect and substrates having a weak alignment effectCANON KK·Filed 1986·Granted Aug 16, 1988·80 cites·21 claims
- 1190US4390611AElectrophotographic photosensitive azo pigment containing membersISHIKAWA SHOZO·Filed 1981·Granted Jun 28, 1983·41 cites·72 claims
- 1289US4798680AOptically active compound, process for producing same and liquid crystal composition containing sameCANON KK·Filed 1986·Granted Jan 17, 1989·49 cites·21 claims
- 1387US4471040AElectrophotographic disazo photosensitive memberCANON KK·Filed 1981·Granted Sep 11, 1984·29 cites·171 claims
- 1485US4820026AFerroelectric liquid crystal device with modified polyvinyl alcohol alignment filmCANON KK·Filed 1987·Granted Apr 11, 1989·46 cites·49 claims
- 1585US4812259ALactic acid derivative, liquid crystal composition containing same and liquid crystal deviceCANON KK·Filed 1986·Granted Mar 14, 1989·17 cites·31 claims
- 1684US4778259AFerroelectric liquid crystal devices having reverse twist angle and stable states resulting from A.C. excitationCANON KK·Filed 1986·Granted Oct 18, 1988·55 cites·32 claims
- 1784US4714323AFerroelectric liquid crystal device having chiral smectic and nematic liquid crystal compositionCANON KK·Filed 1985·Granted Dec 22, 1987·45 cites·27 claims
- 1884US4548886ARadiation sensitive organic thin film comprising an azulenium saltCANON KK·Filed 1983·Granted Oct 22, 1985·15 cites·34 claims
- 1983US4721367ALiquid crystal deviceCANON KK·Filed 1986·Granted Jan 26, 1988·38 cites·28 claims
- 2083US4712875ADimensions of spacer particles for a ferroelectric liquid crystal displayCANON KK·Filed 1986·Granted Dec 15, 1987·49 cites·11 claims
- 2183US4629670APhotoconductive film of azulenium salt and electrophotographic photosensitive memberCANON KK·Filed 1985·Granted Dec 16, 1986·29 cites·20 claims
- 2282US4738908APhotothermal transducing type of recording mediumCANON KK·Filed 1985·Granted Apr 19, 1988·18 cites·33 claims
- 2381US4882085ALactic acid derivative and liquid crystal composition containing sameCANON KK·Filed 1988·Granted Nov 21, 1989·14 cites·20 claims
- 2480US4904410AMesomorphic compound and liquid crystal composition containing sameCANON KK·Filed 1988·Granted Feb 27, 1990·14 cites·21 claims
- 2580US4775223ALactic acid derivative, liquid crystal composition containing same and liquid crystal deviceCANON KK·Filed 1985·Granted Oct 4, 1988·40 cites·31 claims
- 2679US5120466AFluid crystal deviceCANON KK·Filed 1988·Granted Jun 9, 1992·31 cites·69 claims
- 2779US4883344ALiquid crystal device having a modified polyvinyl alcohol alignment layerCANON KK·Filed 1989·Granted Nov 28, 1989·35 cites·67 claims
- 2879US4487824AElectrophotographic photosensitive member containing a halogen substituted hydrazoneCANON KK·Filed 1983·Granted Dec 11, 1984·20 cites·25 claims
- 2978US4781441AMethod of controlling orientation of liquid crystal, device used therein and liquid crystal device produced therebyCANON KK·Filed 1984·Granted Nov 1, 1988·36 cites·87 claims
- 3077US4876027AOptically active composition, mesomorphic compound and liquid crystal deviceCANON KK·Filed 1989·Granted Oct 24, 1989·27 cites·38 claims
- 3176US4867903AFluoroalkane derivativeCANON KK·Filed 1987·Granted Sep 19, 1989·27 cites·45 claims
- 3275US4979805AFerroelectric liquid crystal device containing optically active azo or azoxy benzene type mesomorphic compound with extended lifeCANON KK·Filed 1989·Granted Dec 25, 1990·11 cites·9 claims
- 3375US4693951AImage forming method and image bearing memberCANON KK·Filed 1984·Granted Sep 15, 1987·17 cites·7 claims
- 3474US5448383AMethod of driving ferroelectric liquid crystal optical modulation deviceCANON KK·Filed 1987·Granted Sep 5, 1995·15 cites·171 claims
- 3573US5092665ADriving method for ferroelectric liquid crystal optical modulation device using an auxiliary signal to prevent inversionCANON KK·Filed 1989·Granted Mar 3, 1992·31 cites·12 claims
- 3673US4816178AOptically active compound and liquid crystal composition containing sameCANON KK·Filed 1987·Granted Mar 28, 1989·20 cites·13 claims
- 3773US4500619AElectrophotographic photosensitive member with oxadiazole containing disazo compoundCOPYER CO·Filed 1984·Granted Feb 19, 1985·9 cites·11 claims
- 3872US5240637AFerroelectric chiral smectic liquid crystal composition and liquid crystal device using sameCANON KK·Filed 1989·Granted Aug 31, 1993·9 cites·7 claims
- 3971US5720898AMesomorphic compound, liquid crystal composition and liquid crystal deviceCANON KK·Filed 1994·Granted Feb 24, 1998·24 cites·21 claims
- 4070US5250219AMesomorphic compound, liquid crystal composition containing same and liquid crystal device using sameCANON KK·Filed 1992·Granted Oct 5, 1993·11 cites·30 claims
- 4170US4844597ALiquid crystal device utilizing chiral-smectic and nematic phases for thinner crystal layersCANON KK·Filed 1988·Granted Jul 4, 1989·22 cites·21 claims
- 4270US4579799APhotoconductive film electrophotographic photosensitive member therewithCANON KK·Filed 1985·Granted Apr 1, 1986·9 cites·14 claims
- 4369US7044592B2Process for forming image with liquid droplets, image forming apparatus utilizing such process and process for ejecting and projecting liquid dropletsCANON KK·Filed 2002·Granted May 16, 2006·12 cites·16 claims
- 4468US4555472AOrganic coating film and radiation-sensitive member having the filmCANON KK·Filed 1984·Granted Nov 26, 1985·13 cites·13 claims
- 4567US4399206ADisazo electrophotographic photosensitive memberCANON KK·Filed 1981·Granted Aug 16, 1983·13 cites·41 claims
- 4665US5167857ALactic acid derivative, liquid crystal composition containing same and liquid crystal deviceCANON KK·Filed 1990·Granted Dec 1, 1992·8 cites·87 claims
- 4765US4413045AMultilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layerCANON KK·Filed 1982·Granted Nov 1, 1983·7 cites·7 claims
- 4864US5296953ADriving method for ferro-electric liquid crystal optical modulation deviceCANON KK·Filed 1993·Granted Mar 22, 1994·19 cites·13 claims
- 4964US5143643AOptically active mesomorphic compoundCANON KK·Filed 1989·Granted Sep 1, 1992·6 cites·167 claims
- 5063US5079128AOptical recording medium and process for recording thereuponCANON KK·Filed 1990·Granted Jan 7, 1992·12 cites·16 claims
Showing the top 50 of 126 patent records by PatentIndex Score.
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