Inventor · disambiguated record
Fuyuhiko Matsumoto
Also filed as: INOKUCHI TOSHIYUKI · MATSUMOTO FUYUHIKO · OHBORI TAMIO
15 granted patents·355 citations·filing 1978–2009
94Inventor score
Top patents by PatentIndex Score
15 records- 0193US4308821AElectrophotographic development apparatusRICOH KK·Filed 1979·Granted Jan 5, 1982·49 cites·6 claims
- 0290US4351604AMulti-color electrostatic copying apparatusRICOH KK·Filed 1980·Granted Sep 28, 1982·40 cites·25 claims
- 0389US4268157AToner image transfer method and apparatus for electrostatic photographyRICOH KK·Filed 1978·Granted May 19, 1981·28 cites·4 claims
- 0483US5105291ALiquid crystal display cell with electrodes of substantially amorphous metal oxide having low resistivityRICOH KK·Filed 1990·Granted Apr 14, 1992·67 cites·11 claims
- 0582US4793691ALiquid crystal color display deviceRICOH KK·Filed 1985·Granted Dec 27, 1988·53 cites·17 claims
- 0677US4673284ACleaning deviceRICOH KK·Filed 1981·Granted Jun 16, 1987·25 cites·17 claims
- 0768US4389113AImproved developing device for two-color electrophotographic copying apparatusRICOH KK·Filed 1981·Granted Jun 21, 1983·15 cites·13 claims
- 0867US4413899ACopying method and apparatusRICOH KK·Filed 1981·Granted Nov 8, 1983·14 cites·11 claims
- 0960US5595852AOrganosilicon compound, producing method thereof and toner and dry-type developer using the sameRICOH KK·Filed 1995·Granted Jan 21, 1997·14 cites·18 claims
- 1060US4443095AImage transfer and sheet separation apparatus for electrophotographic systemRICOH KK·Filed 1982·Granted Apr 17, 1984·11 cites·26 claims
- 1159US4818074AProjection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefromRICOH KK·Filed 1987·Granted Apr 4, 1989·19 cites·8 claims
- 1257US4180318AMulti-copying method and multi-copying apparatusRICOH KK·Filed 1978·Granted Dec 25, 1979·4 cites·12 claims
- 1356US4183032AElectrostatic recording medium with elongated conductive segmentsRICOH KK·Filed 1978·Granted Jan 8, 1980·10 cites·12 claims
- 1445US4322734AVariable speed electrostatographic apparatusRICOH KK·Filed 1979·Granted Mar 30, 1982·6 cites·16 claims
- 1541US8167410B2Image forming apparatusHORIKE MASANORI·Filed 2009·Granted May 1, 2012·0 cites·15 claims
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