Inventor · disambiguated record
Akira Midorikawa
Also filed as: MIDORIKAWA AKIRA
10 granted patents·351 citations·filing 1975–1989
91Inventor score
Technology areasG03G
Files withRICOH KK10
Top patents by PatentIndex Score
10 records- 0197US4627707ACopier with image editing functionRICOH KK·Filed 1985·Granted Dec 9, 1986·93 cites·15 claims
- 0296US4682158AGuidance device for manipulation of machineRICOH KK·Filed 1985·Granted Jul 21, 1987·116 cites·4 claims
- 0387US4912512AElectrophotographic copier with a capability of automatically setting up optimum process conditionsRICOH KK·Filed 1989·Granted Mar 27, 1990·30 cites·3 claims
- 0484US4032229AConstruction of electrophotographic copying machines with a cleaning unit for photosensitive surfaceRICOH KK·Filed 1976·Granted Jun 28, 1977·24 cites·9 claims
- 0578US4677310APower supply control device for copier having timerRICOH KK·Filed 1985·Granted Jun 30, 1987·24 cites·4 claims
- 0678US4423134ADeveloping unit for electrophotographyRICOH KK·Filed 1978·Granted Dec 27, 1983·17 cites·16 claims
- 0777US4435074ACleaning apparatus for electrophotography comprising lubricant film applicator meansRICOH KK·Filed 1981·Granted Mar 6, 1984·21 cites·11 claims
- 0863US4168329AAuto-bias developing process and an electrophotographic copying machineRICOH KK·Filed 1976·Granted Sep 18, 1979·11 cites·6 claims
- 0963US4165172ADrum cleaning system for electrophotographic apparatusRICOH KK·Filed 1976·Granted Aug 21, 1979·10 cites·14 claims
- 1047US4035071ADeveloping process and apparatus for electrophotographyRICOH KK·Filed 1975·Granted Jul 12, 1977·5 cites·7 claims
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