Inventor · disambiguated record
Keizo Fukunaga
Also filed as: FUKUNAGA KEIZO
10 granted patents·253 citations·filing 1986–2001
91Inventor score
Technology areasG03G
Files withSHARP KK10
Top patents by PatentIndex Score
10 records- 0194US6389260B1Tandem type color image forming deviceSHARP KK·Filed 2000·Granted May 14, 2002·63 cites·19 claims
- 0293US6721521B2Image forming apparatusSHARP KK·Filed 2001·Granted Apr 13, 2004·50 cites·10 claims
- 0381US5367366ACorona charger for image forming apparatus providing uniform surface charge of a recording mediumSHARP KK·Filed 1993·Granted Nov 22, 1994·29 cites·7 claims
- 0480US5742319AImage forming apparatus having easily replaceable componentsSHARP KK·Filed 1995·Granted Apr 21, 1998·31 cites·18 claims
- 0579US5812923AImage forming apparatus equipped with register rollers for curling transfer paperSHARP KK·Filed 1996·Granted Sep 22, 1998·25 cites·17 claims
- 0678US5017962AImage forming apparatus with process-cartridgesSHARP KK·Filed 1989·Granted May 21, 1991·21 cites·2 claims
- 0767US5623329ATransfer device for an image forming apparatusSHARP KK·Filed 1995·Granted Apr 22, 1997·16 cites·36 claims
- 0858US4757342APhotoreceptor cartridge unitSHARP KK·Filed 1986·Granted Jul 12, 1988·11 cites·5 claims
- 0944US5412213ACharger for performing a corona dischargeSHARP KK·Filed 1993·Granted May 2, 1995·6 cites·4 claims
- 1028US4771316ACopying device utilizing a parallel lens arraySHARP KK·Filed 1986·Granted Sep 13, 1988·1 cites·24 claims
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