Inventor · disambiguated record
Yasumasa Yokoyama
Also filed as: YOKOYAMA YASUMASA
5 granted patents·164 citations·filing 1983–1996
83Inventor score
Files withCANON KK5
Top patents by PatentIndex Score
5 records- 0197US4632703ARecording liquidCANON KK·Filed 1984·Granted Dec 30, 1986·69 cites·20 claims
- 0290US4557761ARecording liquidCANON KK·Filed 1983·Granted Dec 10, 1985·52 cites·2 claims
- 0385US4505749AMethod of forming color imagesCANON KK·Filed 1983·Granted Mar 19, 1985·33 cites·5 claims
- 0443US4599112ARecording liquidCANON KK·Filed 1984·Granted Jul 8, 1986·7 cites·5 claims
- 0533US5946013AInk jet head having a protective layer with a controlled argon contentCANON KK·Filed 1996·Granted Aug 31, 1999·3 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →