Inventor · disambiguated record
Takao Igawa
Also filed as: IGAWA TAKAO
11 granted patents·135 citations·filing 1974–1998
91Inventor score
Files withRICOH KK11
Top patents by PatentIndex Score
11 records- 0182US5158924AReversible thermosensitive recording material and image display method of using the sameRICOH KK·Filed 1991·Granted Oct 27, 1992·43 cites·15 claims
- 0276US4296190APhotosensitive material for use in electrophotography with a radiation cured binder resinRICOH KK·Filed 1979·Granted Oct 20, 1981·18 cites·14 claims
- 0376US3984378AProcess for manufacturing nitropyrene-formaldehyde resinRICOH KK·Filed 1974·Granted Oct 5, 1976·13 cites·8 claims
- 0464US5643851AReversible thermosensitive recording label and reversible thermosensitive recording cardRICOH KK·Filed 1994·Granted Jul 1, 1997·12 cites·16 claims
- 0561US5310718AMethod of compensating for distortion in recording layer in reversible thermosensitive recording mediumRICOH KK·Filed 1992·Granted May 10, 1994·11 cites·14 claims
- 0656US4087584ALithographic printing plateRICOH KK·Filed 1976·Granted May 2, 1978·12 cites·7 claims
- 0755US5625524AReversible thermosensitive recording medium and method of producing the sameRICOH KK·Filed 1995·Granted Apr 29, 1997·9 cites·21 claims
- 0845US3966471AElectro photosensitive materials with a protective layerRICOH KK·Filed 1974·Granted Jun 29, 1976·5 cites·2 claims
- 0938US5985077AReversible thermosensitive recording medium and method of producing the sameRICOH KK·Filed 1998·Granted Nov 16, 1999·3 cites·8 claims
- 1038US5762998AMethod of producing reversible thermosensitive recording mediumRICOH KK·Filed 1996·Granted Jun 9, 1998·3 cites·7 claims
- 1134US4728556AElectrostatic recording mediumRICOH KK·Filed 1986·Granted Mar 1, 1988·6 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →