Inventor · disambiguated record
Keiko Ikoma
Also filed as: IKOMA KEIKO
13 granted patents·610 citations·filing 1987–1994
94Inventor score
Top patents by PatentIndex Score
13 records- 0196US4935303ANovel diamond-like carbon film and process for the production thereofCANON KK·Filed 1988·Granted Jun 19, 1990·98 cites·4 claims
- 0294US5202156AMethod of making an optical element mold with a hard carbon filmCANON KK·Filed 1991·Granted Apr 13, 1993·79 cites·1 claims
- 0394US5026415AMold with hydrogenated amorphous carbon film for molding an optical elementCANON KK·Filed 1989·Granted Jun 25, 1991·74 cites·6 claims
- 0493US5380349AMold having a diamond layer, for molding optical elementsCANON KK·Filed 1994·Granted Jan 10, 1995·106 cites·2 claims
- 0591US5210430AElectric field light-emitting deviceCANON KK·Filed 1989·Granted May 11, 1993·57 cites·52 claims
- 0690US4898798APhotosensitive member having a light receiving layer comprising a carbonic film for use in electrophotographyCANON KK·Filed 1987·Granted Feb 6, 1990·36 cites·19 claims
- 0784US4897829ACardlike optical recording mediumCANON KK·Filed 1987·Granted Jan 30, 1990·29 cites·7 claims
- 0881US5275967AElectric field light-emitting deviceCANON KK·Filed 1992·Granted Jan 4, 1994·37 cites·33 claims
- 0981US4932331ANovel single-bond carbon film and process for the production thereofCANON KK·Filed 1988·Granted Jun 12, 1990·40 cites·11 claims
- 1064US5248584AOptical card and method for reading information recorded in itCANON KK·Filed 1990·Granted Sep 28, 1993·15 cites·25 claims
- 1163US5382274AMold with film of 0-5 atom % hydrogen and molding method utilizing sameCANON KK·Filed 1992·Granted Jan 17, 1995·18 cites·2 claims
- 1254US4892800APhotosensitive member having a photoconductive layer comprising a carbonic film for use in electrophotographyCANON KK·Filed 1987·Granted Jan 9, 1990·9 cites·8 claims
- 1349US5665176An-Type thermoelectric materialsNISSAN MOTOR·Filed 1994·Granted Sep 9, 1997·12 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →