Inventor · disambiguated record
Takashi Namekawa
Also filed as: NAMEKAWA TAKASHI
39 granted patents·5 pending applications·621 citations·filing 1976–2010
98Inventor score
Files withHITACHI LTD30HITACHI DISPLAYS LTD3HITACHI GLOBAL STORAGE TECH2RENESAS TECH CORP2SAWAI YUICHI2
Top patents by PatentIndex Score
44 records- 0197US7035049B2Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk deviceHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 25, 2006·64 cites·11 claims
- 0292US7452489B2Conductive material, method of producing the same, visual display device, and glass spacer thereofHITACHI DISPLAYS LTD·Filed 2007·Granted Nov 18, 2008·23 cites·15 claims
- 0390US6577472B2Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable textureHITACHI LTD·Filed 2001·Granted Jun 10, 2003·23 cites·13 claims
- 0488US6136401AGlass substrate of disk for recording information, a disk for recording information, and a disk device for recording informationHITACHI LTD·Filed 2000·Granted Oct 24, 2000·19 cites·19 claims
- 0586US7586755B2Electronic circuit componentHITACHI LTD·Filed 2007·Granted Sep 8, 2009·11 cites·7 claims
- 0685US7183650B2Wiring glass substrate for connecting a semiconductor chip to a printed wiring substrate and a semiconductor module having the wiring glass substrateRENESAS TECH CORP·Filed 2002·Granted Feb 27, 2007·30 cites·11 claims
- 0785US6801397B2Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk deviceHITACHI LTD·Filed 2003·Granted Oct 5, 2004·14 cites·15 claims
- 0884US6411591B1Optical recording medium and optical memory deviceHITACHI LTD·Filed 1998·Granted Jun 25, 2002·42 cites·12 claims
- 0983US6040029AGlass substrate of disk for recording information, a disk for recording information, and a disk device for recording informationHITACHI LTD·Filed 1997·Granted Mar 21, 2000·42 cites·25 claims
- 1082US4083719ACopper-carbon fiber composites and process for preparation thereofHITACHI LTD·Filed 1976·Granted Apr 11, 1978·43 cites·11 claims
- 1181US7169334B2Optical information recording mediumHITACHI LTD·Filed 2003·Granted Jan 30, 2007·11 cites·11 claims
- 1280US8075961B2Display apparatusSAWAI YUICHI·Filed 2010·Granted Dec 13, 2011·6 cites·11 claims
- 1380US4470063ACopper matrix electrode having carbon fibers thereinHITACHI LTD·Filed 1981·Granted Sep 4, 1984·49 cites·16 claims
- 1479US8022000B2Display device and production method thereofHITACHI DISPLAYS LTD·Filed 2007·Granted Sep 20, 2011·5 cites·8 claims
- 1577US6933601B2Semiconductor connection substrateHITACHI LTD·Filed 2002·Granted Aug 23, 2005·24 cites·26 claims
- 1677US6503858B1Glass composition, structure, and apparatus using the sameHITACHI LTD·Filed 2000·Granted Jan 7, 2003·10 cites·7 claims
- 1775US7232612B2Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording informationHITACHI LTD·Filed 2004·Granted Jun 19, 2007·7 cites·28 claims
- 1873US7259936B2Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Aug 21, 2007·1 cites·5 claims
- 1972US6844092B2Optically functional element and production method and application thereforHITACHI LTD·Filed 2003·Granted Jan 18, 2005·10 cites·3 claims
- 2070US6689456B2Magnetic recording medium, a manufacturing method thereof, and a magnetic recording unit using thereofHITACHI LTD·Filed 2001·Granted Feb 10, 2004·8 cites·20 claims
- 2169US6768193B2Heat transfer structure for a semiconductor device utilizing a bismuth glass layerHITACHI LTD·Filed 2002·Granted Jul 27, 2004·12 cites·21 claims
- 2269US6512655B1Magnetic head with sealing glass compositionHITACHI LTD·Filed 2000·Granted Jan 28, 2003·6 cites·11 claims
- 2366US6440517B1Glass materialHITACHI LTD·Filed 2000·Granted Aug 27, 2002·4 cites·8 claims
- 2465US8071183B2Display apparatusSAWAI YUICHI·Filed 2007·Granted Dec 6, 2011·1 cites·16 claims
- 2565US7755269B2Spacer and image display panel using the sameHITACHI DISPLAYS LTD·Filed 2007·Granted Jul 13, 2010·1 cites·18 claims
- 2665US6784538B2Heat transfer structure for a semiconductor device utilizing a bismuth glass layerHITACHI LTD·Filed 2002·Granted Aug 31, 2004·10 cites·13 claims
- 2764US6790502B1Optically functional element and production method and application thereforHITACHI LTD·Filed 1999·Granted Sep 14, 2004·27 cites·8 claims
- 2863US5985401AOptical information recording mediumHITACHI LTD·Filed 1998·Granted Nov 16, 1999·9 cites·13 claims
- 2961US7535106B2Wiring glass substrate for connecting a semiconductor chip to a printed wiring substrate and a semiconductor module having the wiring glass substrateRENESAS TECH CORP·Filed 2007·Granted May 19, 2009·1 cites·2 claims
- 3061US4816949AMagnetic head containing amorphous alloy and crystallizable glassHITACHI LTD·Filed 1987·Granted Mar 28, 1989·20 cites·8 claims
- 3160US6150027AGlass composition, structure, and apparatus using the sameHITACHI LTD·Filed 1996·Granted Nov 21, 2000·14 cites·26 claims
- 3260US4741849ACeramic body glass composition for bonding and filling ceramic parts thereofHITACHI LTD·Filed 1987·Granted May 3, 1988·17 cites·11 claims
- 3359US4794483AMagnetic head having layers of amorphous magnetic alloy bonded together with a glass containing vandium oxide phosphorus oxide and antimony oxideHITACHI LTD·Filed 1986·Granted Dec 27, 1988·11 cites·14 claims
- 3455US5519555AMagnetic head including PbO-V2 O5 -P2 O5 system glass bondingHITACHI LTD·Filed 1994·Granted May 21, 1996·10 cites·10 claims
- 3553US4780695ARefractory leakage coaxial cableHITACHI CABLE·Filed 1987·Granted Oct 25, 1988·16 cites·16 claims
- 3650US2004170797A1Glass materialFiled 2004·Application pending·0 cites
- 3748US2003158030A1Glass composition, structure, and apparatus using the sameHITACHI LTD·Filed 2002·Application pending·0 cites
- 3848US2004170842A1Glass materialFiled 2004·Application pending·0 cites
- 3947US4229631AVacuum-type circuit breakerHITACHI LTD·Filed 1978·Granted Oct 21, 1980·5 cites·12 claims
- 4044US6177169B1Optical information recording mediumHITACHI LTD·Filed 1999·Granted Jan 23, 2001·5 cites·9 claims
- 4141US2004246692A1Electronic circuit componentFiled 2002·Application pending·0 cites
- 4238US5239434AMagnetic head, bonding glass used therefor and magnetic recording and reproducing apparatusHITACHI LTD·Filed 1991·Granted Aug 24, 1993·8 cites·12 claims
- 4336US6667946B1Optical information recording mediumHITACHI LTD·Filed 1999·Granted Dec 23, 2003·2 cites·16 claims
- 4434US2003008760A1Glass materialFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →