Inventor · disambiguated record
Kayoko Nagai
Also filed as: NAGAI KAYOKO
4 granted patents·81 citations·filing 1986–1992
79Inventor score
Files withRICOH KK4
Top patents by PatentIndex Score
4 records- 0182US4855207ADeveloper for electrophotographyRICOH KK·Filed 1988·Granted Aug 8, 1989·25 cites·11 claims
- 0277US5759733ALiquid developer for electrostatic electrophotographyRICOH KK·Filed 1992·Granted Jun 2, 1998·22 cites·6 claims
- 0376US4764447ANon-aqueous type resin dispersion and electrophotographic developer containing said resinRICOH KK·Filed 1986·Granted Aug 16, 1988·26 cites·14 claims
- 0449US4690881ALiquid developer for electrophotographyRICOH KK·Filed 1986·Granted Sep 1, 1987·8 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →