Inventor · disambiguated record
Kazuo Urata
Also filed as: URATA KAZUO
23 granted patents·493 citations·filing 1981–2005
96Inventor score
Files withSEMICONDUCTOR ENERGY LAB12NIPPON MUSICAL INSTRUMENTS MFG8YAMAHA CORP2VICTOR COMPANY OF JAPAN1
Top patents by PatentIndex Score
23 records- 0189US4811684APhoto CVD apparatus, with deposition prevention in light source chamberSEMICONDUCTOR ENERGY LAB·Filed 1987·Granted Mar 14, 1989·54 cites·5 claims
- 0289US4730300ADisc centering device for a disc playback deviceNIPPON MUSICAL INSTRUMENTS MFG·Filed 1986·Granted Mar 8, 1988·43 cites·3 claims
- 0388US4857139AMethod and apparatus for forming a layerSEMICONDUCTOR ENERGY LAB·Filed 1988·Granted Aug 15, 1989·56 cites·28 claims
- 0481US4730299ADevice for preventing vibration of a disc motor shaft in a disc playback deviceNIPPON MUSICAL INSTRUMENTS MFG·Filed 1986·Granted Mar 8, 1988·26 cites·14 claims
- 0578US4987008AThin film formation methodSEMICONDUCTOR ENERGY LAB·Filed 1986·Granted Jan 22, 1991·51 cites·6 claims
- 0677US5147822APlasma processing method for improving a package of a semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 1991·Granted Sep 15, 1992·57 cites·11 claims
- 0776US6191492B1Electronic device including a densified regionSEMICONDUCTOR ENERGY LAB·Filed 1993·Granted Feb 20, 2001·52 cites·35 claims
- 0872US7486597B2Pick-up angle adjustment mechanism for optical disk apparatusYAMAHA CORP·Filed 2005·Granted Feb 3, 2009·2 cites·10 claims
- 0968US6756670B1Electronic device and its manufacturing methodSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Jun 29, 2004·15 cites·30 claims
- 1066US4730296ALoading device in a disc playback deviceNIPPON MUSICAL INSTRUMENTS MFG·Filed 1985·Granted Mar 8, 1988·14 cites·10 claims
- 1165US4646285AShutter plate control device in a disc playback deviceNIPPON MUSICAL INSTRUMENTS MFG·Filed 1985·Granted Feb 24, 1987·14 cites·6 claims
- 1262US4679182ADisc playback deviceNIPPON MUSICAL INSTRUMENTS MFG·Filed 1985·Granted Jul 7, 1987·12 cites·14 claims
- 1360US4777631ALoading system for a disc cartridge case housing a disc in a disc playback deviceNIPPON MUSICAL INSTRUMENTS MFG·Filed 1986·Granted Oct 11, 1988·12 cites·14 claims
- 1459US5013688AMethod of manufacturing a semiconductor using plasma processingSEMICONDUCTOR ENERGY LAB·Filed 1989·Granted May 7, 1991·23 cites·9 claims
- 1559US4949004AGas discharge lamp having temperature controlled, liquid reservoir for liquified portion of gasSEMICONDUCTOR ENERGY LAB·Filed 1989·Granted Aug 14, 1990·10 cites·2 claims
- 1658US7346914B2Optical disk driveYAMAHA CORP·Filed 2004·Granted Mar 18, 2008·3 cites·10 claims
- 1750US4910044AUltraviolet light emitting device and application thereofSEMICONDUCTOR ENERGY LAB·Filed 1988·Granted Mar 20, 1990·11 cites·7 claims
- 1850US4887548AThin film manufacturing systemSEMICONDUCTOR ENERGY LAB·Filed 1988·Granted Dec 19, 1989·12 cites·3 claims
- 1945US4739428AClamping device for a holder of a disc playback deviceNIPPON MUSICAL INSTRUMENTS MFG·Filed 1986·Granted Apr 19, 1988·6 cites·4 claims
- 2042US5121187AElectric device having a leadframe covered with an antioxidation filmSEMICONDUCTOR ENERGY LAB·Filed 1989·Granted Jun 9, 1992·10 cites·10 claims
- 2138US5192995AElectric device utilizing antioxidation film between base pad for semiconductor chip and organic encapsulating materialSEMICONDUCTOR ENERGY LAB·Filed 1991·Granted Mar 9, 1993·9 cites·4 claims
- 2230US4429380ABraking device for a pickup arm of a disk player or the likeNIPPON MUSICAL INSTRUMENTS MFG·Filed 1981·Granted Jan 31, 1984·0 cites·6 claims
- 2329US4984080AVideo IF signal detectorVICTOR COMPANY OF JAPAN·Filed 1989·Granted Jan 8, 1991·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →