Inventor · disambiguated record
Keiichi Kagawa
Also filed as: KAGAWA KEIICHI
13 granted patents·329 citations·filing 1983–2015
92Inventor score
Files withTAIYO YUDEN KK5MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4MITSUI MINING & SMELTING CO2ATECT CORP1MATSUSHITA ELECTRIC INDUS CO L1
Top patents by PatentIndex Score
13 records- 0197US5398231AOptical information recording substrate and method of making thereofTAIYO YUDEN KK·Filed 1991·Granted Mar 14, 1995·112 cites·4 claims
- 0294US5498509AMethod of making an optical information recording substrateTAIYO YUDEN KK·Filed 1994·Granted Mar 12, 1996·61 cites·2 claims
- 0378US6569259B1Method of disposing of a waste optical discTAIYO YUDEN KK·Filed 2000·Granted May 27, 2003·16 cites·20 claims
- 0473US4861688AZinc-alkaline batteryMATSUSHITA ELECTRIC INDUS CO L·Filed 1987·Granted Aug 29, 1989·36 cites·3 claims
- 0565US6428932B1Zinc alloy powder and alkaline battery using the sameMITSUI MINING & SMELTING CO·Filed 2000·Granted Aug 6, 2002·11 cites·8 claims
- 0664US5030582AMethod of fabricating a CMOS semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jul 9, 1991·20 cites·7 claims
- 0759US5273914AMethod of fabricating a CMOS semiconductor devicesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 28, 1993·20 cites·5 claims
- 0856US5092937AProcess for treating semiconductorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 3, 1992·28 cites·2 claims
- 0949US4812374AAnode active material and alkaline cells containing same, and method for the production thereofMITSUI MINING & SMELTING CO·Filed 1983·Granted Mar 14, 1989·12 cites·7 claims
- 1046US4465705AMethod of making semiconductor devicesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Aug 14, 1984·13 cites·2 claims
- 1144US9464221B2Alumina sintered body and method for producing sameATECT CORP·Filed 2015·Granted Oct 11, 2016·0 cites·3 claims
- 1228US7833378B2Method for manufacturing optical disc and optical discTAIYO YUDEN KK·Filed 2007·Granted Nov 16, 2010·0 cites·6 claims
- 1326US7303381B2Device for manufacturing optical disc, method of manufacturing the same, and optical discTAIYO YUDEN KK·Filed 2005·Granted Dec 4, 2007·0 cites·11 claims
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