Inventor · disambiguated record
Koichi Kamijima
Also filed as: KAMIJIMA KOICHI
17 granted patents·168 citations·filing 1988–2000
94Inventor score
Top patents by PatentIndex Score
17 records- 0185US5484685ANaphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereofHITACHI LTD·Filed 1991·Granted Jan 16, 1996·23 cites·25 claims
- 0284US5858616APhotosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the same, and phosphor subjected to surface treatment and process for preparing the sameHITACHI CHEMICAL CO LTD·Filed 1996·Granted Jan 12, 1999·35 cites·4 claims
- 0382US5217856ATetraazaporphin, process for producing the same, as well as optical recording media using the same and production processes thereofHITACHI CHEMICAL CO LTD·Filed 1989·Granted Jun 8, 1993·14 cites·6 claims
- 0481US5034309ANaphthalocyanine derivatives and their use in optical recording mediumHITACHI CHEMICAL CO LTD·Filed 1988·Granted Jul 23, 1991·13 cites·20 claims
- 0566US5214188A2,3-dicyanonaphthalene derivativesHITACHI LTD·Filed 1991·Granted May 25, 1993·7 cites·6 claims
- 0654US5646198ACoating composition and antifouling paintHITACHI CHEMICAL CO LTD·Filed 1994·Granted Jul 8, 1997·15 cites·10 claims
- 0751US5773508ACoating varnish composition and antifouling coating compositionHITACHI CHEMICAL CO LTD·Filed 1995·Granted Jun 30, 1998·15 cites·12 claims
- 0845US5039600ANaphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereofHITACHI CHEMICAL CO LTD·Filed 1990·Granted Aug 13, 1991·5 cites·35 claims
- 0944US6077647APhotosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the same, and phosphor subjected to surface treatment and process for preparing the sameHITACHI CHEMICAL CO LTD·Filed 1998·Granted Jun 20, 2000·6 cites·10 claims
- 1043US5439512AResin composition and antifouling paintHITACHI CHEMICAL CO LTD·Filed 1994·Granted Aug 8, 1995·8 cites·11 claims
- 1143US5110968ANaphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereofHITACHI CHEMICAL CO LTD·Filed 1991·Granted May 5, 1992·4 cites·2 claims
- 1241US6248501B1Photosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the sameHITACHI CHEMICAL CO LTD·Filed 2000·Granted Jun 19, 2001·3 cites·18 claims
- 1340US5284943ATatraazaporphin, process for producing the same, as well as optical recording media using the same and production processes thereofHITACHI CHEMICAL COMPANY CO·Filed 1992·Granted Feb 8, 1994·8 cites·14 claims
- 1440US5075203ANaphthalocyanine derivatives, production thereof and optical recording medium using the sameHITACHI CHEMICAL CO LTD·Filed 1989·Granted Dec 24, 1991·7 cites·34 claims
- 1536US5166363AProcess for producing 1,3-bis(dicarboxyphenyl)-disiloxane derivative or dianhydride thereofHITACHI CHEMICAL CO LTD·Filed 1991·Granted Nov 24, 1992·1 cites·8 claims
- 1635US5439511ACoating varnish composition and antifouling coating compositionHITACHI CHEMICAL CO LTD·Filed 1994·Granted Aug 8, 1995·4 cites·11 claims
- 1730US5242917ATetracarboxylic acid dianhydride having disiloxane linkage and process for producing the sameHITACHI CHEMICAL CO LTD·Filed 1991·Granted Sep 7, 1993·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →