Inventor · disambiguated record
Takashi Mama
Also filed as: MAMA TAKASHI
13 granted patents·377 citations·filing 1987–1997
94Inventor score
Files withRICOH KK13
Top patents by PatentIndex Score
13 records- 0186US4933549ALight beam scanning apparatusRICOH KK·Filed 1988·Granted Jun 12, 1990·54 cites·11 claims
- 0285US4914459AImage forming apparatusRICOH KK·Filed 1989·Granted Apr 3, 1990·49 cites·11 claims
- 0380US5309182ABicolor image forming apparatus for forming a bicolor image on a photoconductive elementRICOH KK·Filed 1992·Granted May 3, 1994·26 cites·14 claims
- 0478US5610651AImage forming apparatus with frequency correctorRICOH KK·Filed 1994·Granted Mar 11, 1997·44 cites·22 claims
- 0574US5627649AMethod and device for correcting a position for writing an imageRICOH KK·Filed 1993·Granted May 6, 1997·44 cites·18 claims
- 0674US5376994ACompact BI-color electrophotographic image forming apparatusRICOH KK·Filed 1993·Granted Dec 27, 1994·36 cites·7 claims
- 0769US5803622AImage forming device having convenient access to serviceable componentsRICOH KK·Filed 1995·Granted Sep 8, 1998·26 cites·31 claims
- 0868US4796265AImaging using collectively controlled multiple beamsRICOH KK·Filed 1987·Granted Jan 3, 1989·33 cites·11 claims
- 0964US5729353AMethod and device for correcting a position for writing an image on a transport beltRICOH KK·Filed 1997·Granted Mar 17, 1998·24 cites·9 claims
- 1057US5587813AData transfer device for an image forming apparatusRICOH KK·Filed 1993·Granted Dec 24, 1996·16 cites·16 claims
- 1155US5729349AMethod and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paperRICOH KK·Filed 1996·Granted Mar 17, 1998·9 cites·10 claims
- 1253US5852499AMethod and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paperRICOH KK·Filed 1997·Granted Dec 22, 1998·11 cites·34 claims
- 1337US5084715ALight beam scanning apparatusRICOH KK·Filed 1990·Granted Jan 28, 1992·5 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →