Inventor · disambiguated record
Toshiyasu Kawabata
Also filed as: KAWABATA TOSHIYASU
3 granted patents·39 citations·filing 1982–1985
71Inventor score
Technology areasG03G
Files withRICOH KK3
Top patents by PatentIndex Score
3 records- 0175US4931374AElectrophotographic positive charging toner containing a copper phthalocyanine blue pigmentRICOH KK·Filed 1985·Granted Jun 5, 1990·19 cites·8 claims
- 0266US4401740AElectrographic development processRICOH KK·Filed 1982·Granted Aug 30, 1983·14 cites·10 claims
- 0347US4554233AElectrophotographic toner containing triazolium compound as charge controlling agentRICOH KK·Filed 1983·Granted Nov 19, 1985·6 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →