Inventor · disambiguated record
Yoichi Shimazawa
Also filed as: SHIMAZAWA YOICHI · YAMAMOTO YOICHI
30 granted patents·510 citations·filing 1975–2003
97Inventor score
Top patents by PatentIndex Score
30 records- 0190US4270133AInk supply device for an ink jet printerSHARP KK·Filed 1979·Granted May 26, 1981·41 cites·22 claims
- 0288US4357617AInk recirculating device of ink jet printerSHARP KK·Filed 1979·Granted Nov 2, 1982·33 cites·17 claims
- 0385US5040028AImage forming apparatus with a toner transfer deviceSHARP KK·Filed 1990·Granted Aug 13, 1991·37 cites·7 claims
- 0484US5164782AElectrophotographic copying apparatusSHARP KK·Filed 1991·Granted Nov 17, 1992·30 cites·13 claims
- 0582US4905051AFixing means for electrophotographic copierSHARP KK·Filed 1988·Granted Feb 27, 1990·26 cites·6 claims
- 0682US4085837AVertical tabulation control for high speed printerNIPPON TELEGRAPH & TELEPHONE·Filed 1976·Granted Apr 25, 1978·21 cites·11 claims
- 0780US4190846AInk liquid concentration control in an ink liquid supply system for an ink jet system printerSHARP KK·Filed 1977·Granted Feb 26, 1980·23 cites·8 claims
- 0880US4051945AElectronic tabulator for high speed printersNIPPON TELEGRAPH & TELEPHONE·Filed 1975·Granted Oct 4, 1977·20 cites·1 claims
- 0979US6188419B1color image-forming deviceSHARP KK·Filed 1998·Granted Feb 13, 2001·63 cites·29 claims
- 1072US5049930ASystem for preventing erroneous mounting of developer tanks accommodated in a developing deviceSHARP KK·Filed 1989·Granted Sep 17, 1991·18 cites·6 claims
- 1170US4388630AInk liquid supply system which compensates for temperature variationSHARP KK·Filed 1981·Granted Jun 14, 1983·17 cites·6 claims
- 1270US4368474AInk droplet formation control in an ink jet system printerSHARP KK·Filed 1980·Granted Jan 11, 1983·16 cites·16 claims
- 1369US5041878AMethod for forming and transferring color imagesSHARP KK·Filed 1989·Granted Aug 20, 1991·15 cites·21 claims
- 1462US6539114B1Image processing apparatusSHARP KK·Filed 2000·Granted Mar 25, 2003·16 cites·10 claims
- 1562US6181356B1Pattern image reader device and image stabilizer device incorporated in image forming apparatusSHARP KK·Filed 1998·Granted Jan 30, 2001·15 cites·29 claims
- 1661US7031011B2Image forming apparatus using image data and identification information in relation to an output apparatusSHARP KK·Filed 2003·Granted Apr 18, 2006·3 cites·7 claims
- 1760US4343596AConstant flow rate liquid supply pumpSHARP KK·Filed 1979·Granted Aug 10, 1982·10 cites·6 claims
- 1858US6240271B1Image formation apparatus and image formation methodSHARP KK·Filed 1999·Granted May 29, 2001·20 cites·26 claims
- 1958US6163334AImage forming deviceSHARP KK·Filed 1998·Granted Dec 19, 2000·22 cites·24 claims
- 2051US5477308AImage forming apparatus having an image-quality correction functionSHARP KK·Filed 1993·Granted Dec 19, 1995·10 cites·37 claims
- 2145US5915074AImage formation apparatus and image formation methodSHARP KK·Filed 1997·Granted Jun 22, 1999·11 cites·20 claims
- 2244US4843433AAutomatic document feederSHARP KK·Filed 1988·Granted Jun 27, 1989·7 cites·2 claims
- 2344US4455127ACompact size plunger pumpSHARP KK·Filed 1982·Granted Jun 19, 1984·5 cites·2 claims
- 2442US4952986ACopying apparatusSHARP KK·Filed 1989·Granted Aug 28, 1990·5 cites·10 claims
- 2539US5138386ADeveloping apparatusSHARP KK·Filed 1991·Granted Aug 11, 1992·4 cites·4 claims
- 2638US5070368ADeveloping apparatusSHARP KK·Filed 1990·Granted Dec 3, 1991·4 cites·9 claims
- 2737US6040924AColor image forming apparatusSHARP KK·Filed 1998·Granted Mar 21, 2000·5 cites·10 claims
- 2837US5982524AOptical scanning apparatusSHARP KK·Filed 1997·Granted Nov 9, 1999·6 cites·10 claims
- 2936US4991833AAutomatic document feederSHARP KK·Filed 1989·Granted Feb 12, 1991·4 cites·1 claims
- 3035US6927870B1Image forming apparatus using image data and identification information in relation to an arbitrary image output apparatusSHARP KK·Filed 1999·Granted Aug 9, 2005·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →