Inventor · disambiguated record
Keiji Sekigawa
Also filed as: SEKIGAWA KEIJI
6 granted patents·137 citations·filing 1979–1980
85Inventor score
Top patents by PatentIndex Score
6 records- 0183US4258393APicture processing methodRICOH KK·Filed 1979·Granted Mar 24, 1981·48 cites·1 claims
- 0277US4349846APicture processing methodRICOH KK·Filed 1980·Granted Sep 14, 1982·29 cites·4 claims
- 0371US4355337AMethod of restoring pictures with high densityRICOH KK·Filed 1980·Granted Oct 19, 1982·22 cites·1 claims
- 0471US4323974AMethod of restoring a picture through estimationRICOH KK·Filed 1980·Granted Apr 6, 1982·22 cites·2 claims
- 0547US4393452AMethod of reproducing a picture having improved resolutionRICOH KK·Filed 1980·Granted Jul 12, 1983·9 cites·1 claims
- 0639US4333957ACapsule and process for the production of a colored gelatin capsuleWARNER LAMBERT CO·Filed 1980·Granted Jun 8, 1982·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →