Inventor · disambiguated record
Mitsuru Mamizuka
Also filed as: MAMIZUKA MITSURU
12 granted patents·399 citations·filing 1985–1996
93Inventor score
Files withRICOH KK12
Top patents by PatentIndex Score
12 records- 0197US4933727AColor recording apparatusRICOH KK·Filed 1989·Granted Jun 12, 1990·72 cites·9 claims
- 0295US5121170ADevice for transporting sheet members using an alternating voltageRICOH KK·Filed 1991·Granted Jun 9, 1992·72 cites·25 claims
- 0392US5160969AImage forming apparatus having a separate black developer stored for a color imageRICOH KK·Filed 1991·Granted Nov 3, 1992·52 cites·11 claims
- 0489US4796050AMechanism for driving photosensitive drumsRICOH KK·Filed 1987·Granted Jan 3, 1989·43 cites·1 claims
- 0585US4664501AMethod of and apparatus for producing duplicates in colorRICOH KK·Filed 1985·Granted May 12, 1987·29 cites·6 claims
- 0684US4690542AColor copying apparatusRICOH KK·Filed 1985·Granted Sep 1, 1987·28 cites·7 claims
- 0783US4662739AMethod of controlling copying machine operationRICOH KK·Filed 1985·Granted May 5, 1987·26 cites·2 claims
- 0864US6061144AColor image forming apparatus having function for correcting image density when image development system is deterioratedRICOH KK·Filed 1996·Granted May 9, 2000·31 cites·50 claims
- 0962US4746950AColor copierRICOH KK·Filed 1986·Granted May 24, 1988·13 cites·11 claims
- 1056US5631691AImage forming apparatusRICOH KK·Filed 1993·Granted May 20, 1997·14 cites·7 claims
- 1154US4987428AColor image forming apparatusRICOH KK·Filed 1989·Granted Jan 22, 1991·9 cites·6 claims
- 1246US5825398AImage forming apparatus using a synchronized transfer medium driverRICOH KK·Filed 1996·Granted Oct 20, 1998·10 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →