Inventor · disambiguated record
Ichiro Kawamura
Also filed as: KAWAMURA ICHIRO
38 granted patents·474 citations·filing 1982–2001
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD24SHOWA SHELL SEKIYU11NIPPON DENSO CO1SHOWA SHELL SEKIYO KABUSHIKI K1TOKYO SEIMITSU CO LTD1
Top patents by PatentIndex Score
38 records- 0192US5812511ADisk recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Sep 22, 1998·84 cites·14 claims
- 0287US5737293ADisc loading apparatus for loading optical discs in a cartridge or withoutMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 7, 1998·52 cites·4 claims
- 0378US5878013ARecording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 2, 1999·32 cites·22 claims
- 0477US5417885AAntiferroelectric liquid crystal compoundSHOWA SHELL SEKIYU·Filed 1993·Granted May 23, 1995·30 cites·13 claims
- 0575US5107484AArrangement of recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Apr 21, 1992·20 cites·10 claims
- 0675US5046823AFerroelectric liquid crystal electro-optic apparatus and manufacturing method thereofNIPPON DENSO CO·Filed 1989·Granted Sep 10, 1991·35 cites·7 claims
- 0766US5200940AOptical unit actuator for information recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Apr 6, 1993·16 cites·6 claims
- 0864US5799009ADisk cartridge with an inclined grooveMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Aug 25, 1998·12 cites·1 claims
- 0963US5825151AApparatus for driving stepping motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Oct 20, 1998·24 cites·7 claims
- 1062US5764622ARecording medium cartridge and signal recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 9, 1998·12 cites·5 claims
- 1162US5124975ADevice for opening and closing a shutter of a disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jun 23, 1992·14 cites·3 claims
- 1260US5901129ATray with positioning protrusion for loading a disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 4, 1999·10 cites·7 claims
- 1357US5184847ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1991·Granted Feb 9, 1993·13 cites·4 claims
- 1455US5204020ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1992·Granted Apr 20, 1993·11 cites·1 claims
- 1554US5278821ACleaning cartridge for an optical recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jan 11, 1994·10 cites·20 claims
- 1654US5194179ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1989·Granted Mar 16, 1993·11 cites·5 claims
- 1753US5907535ADisk cartridge with positioning holeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 25, 1999·7 cites·7 claims
- 1851USRE40141ERecording medium cartridge and signal recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 4, 2008·1 cites·14 claims
- 1951USRE38848ERecording medium cartridge and signal recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 25, 2005·1 cites·13 claims
- 2048US5262086ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1992·Granted Nov 16, 1993·10 cites·5 claims
- 2147US5923509ADisk cartridge with judging recessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jul 13, 1999·5 cites·5 claims
- 2247US4482991ADisk recording and reproducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Nov 13, 1984·6 cites·8 claims
- 2346US6204962B1Confocal microscopeTOKYO SEIMITSU CO LTD·Filed 1999·Granted Mar 20, 2001·12 cites·7 claims
- 2446US5229983ABias magnetic field generating apparatus for magneto-optical recording and reproducing systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jul 20, 1993·6 cites·6 claims
- 2545US5854777ARecording medium cartridge and signal recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 29, 1998·5 cites·3 claims
- 2643USRE37659ERecording medium cartridge and signal recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 16, 2002·0 cites·15 claims
- 2742US5206849AObject lens holder and driving deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Apr 27, 1993·5 cites·5 claims
- 2842US5130050ALiquid crystal compoundSHOWA SHELL SEKIYO KABUSHIKI K·Filed 1990·Granted Jul 14, 1992·3 cites·1 claims
- 2940US5116531ALiquid crystal compoundSHOWA SHELL SEKIYU·Filed 1990·Granted May 26, 1992·5 cites·3 claims
- 3038US4946989AOptically active compoundSHOWA SHELL SEKIYU·Filed 1988·Granted Aug 7, 1990·4 cites·2 claims
- 3136US4623995ARecording disc reproducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Nov 18, 1986·4 cites·5 claims
- 3235US5891359ALiquid crystal compoundSHOWA SHELL SEKIYU·Filed 1992·Granted Apr 6, 1999·3 cites·8 claims
- 3335US5207946ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1990·Granted May 4, 1993·3 cites·3 claims
- 3433US5436037ALiquid crystal orientation controlling membranes and liquid crystal elements using the sameSHOWA SHELL SEKIYU·Filed 1992·Granted Jul 25, 1995·4 cites·3 claims
- 3532US5837163ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1992·Granted Nov 17, 1998·0 cites·2 claims
- 3631US5260929AOptical disk drive including dust-proofing annular projectionsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 9, 1993·1 cites·8 claims
- 3727US4807216ARecording disc playback apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Feb 21, 1989·2 cites·5 claims
- 3826US4802155ARecording disc playback apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jan 31, 1989·1 cites·3 claims
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