Inventor · disambiguated record
Yoshihide Sonoda
Also filed as: SONODA YOSHIHIDE
3 granted patents·23 citations·filing 1989–1995
69Inventor score
Technology areasG03G
Files withRICOH KK3
Top patents by PatentIndex Score
3 records- 0162US4963938AToner cartridge for an image forming apparatusRICOH KK·Filed 1989·Granted Oct 16, 1990·11 cites·7 claims
- 0252US5122837AToner cartridge for an image forming apparatusRICOH KK·Filed 1990·Granted Jun 16, 1992·8 cites·10 claims
- 0332US5640263AOptical scanner for an image forming apparatusRICOH KK·Filed 1995·Granted Jun 17, 1997·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →