Inventor · disambiguated record
Isao Obara
Also filed as: KAMADA ATSUYA · OBARA ISAO
7 granted patents·122 citations·filing 1975–2000
86Inventor score
Top patents by PatentIndex Score
7 records- 0180US4451551ARadiation-sensitive poly(amic acid) polymer compositionHITACHI LTD·Filed 1981·Granted May 29, 1984·43 cites·21 claims
- 0270US4565767ALight-sensitive polymer composition with poly(amic acid), bisazide, and tertiary amine compoundHITACHI LTD·Filed 1984·Granted Jan 21, 1986·24 cites·11 claims
- 0360US4239944ASpider of loudspeakerHITACHI LTD·Filed 1979·Granted Dec 16, 1980·24 cites·4 claims
- 0451US4041144AProcess for preparing stannic oxide hydrateKOHJIN CO·Filed 1975·Granted Aug 9, 1977·7 cites·5 claims
- 0549US4736012ASemiconductor deviceHITACHI LTD·Filed 1984·Granted Apr 5, 1988·13 cites·12 claims
- 0643US6200831B1Surface-protecting film and resin-sealed semiconductor device having said filmHITACHI LTD·Filed 2000·Granted Mar 13, 2001·1 cites·4 claims
- 0743US6087006ASurface-protecting film and resin-sealed semiconductor device having said filmHITACHI LTD·Filed 1995·Granted Jul 11, 2000·10 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →