Inventor · disambiguated record
Kazumi Ishima
Also filed as: ISHIMA KAZUMI
20 granted patents·2 pending applications·406 citations·filing 1978–2008
95Inventor score
Top patents by PatentIndex Score
22 records- 0194US4595948AMulticolor ink jet recording apparatus having means for preventing blurring of inkRICOH KK·Filed 1983·Granted Jun 17, 1986·84 cites·8 claims
- 0290US4604631AControl system and method for charge control ink jet printerRICOH KK·Filed 1984·Granted Aug 5, 1986·47 cites·11 claims
- 0389US4459469AInk temperature control apparatus for ink jet printing apparatusRICOH KK·Filed 1982·Granted Jul 10, 1984·46 cites·15 claims
- 0484US4598299ADeflection control ink jet printing apparatusRICOH KK·Filed 1983·Granted Jul 1, 1986·32 cites·11 claims
- 0578US4467183ALiquid temperature control apparatus comprising initial temperature dependent high power heater driveRICOH KK·Filed 1981·Granted Aug 21, 1984·32 cites·22 claims
- 0677US4642653AMulti-tone recording method for ink jet printerRICOH KK·Filed 1986·Granted Feb 10, 1987·32 cites·3 claims
- 0775US7432946B2Image forming apparatusRICOH KK·Filed 2007·Granted Oct 7, 2008·3 cites·9 claims
- 0874US7484827B2Image forming method and apparatus, and a recording medium storing a program for performing an image forming methodRICOH KK·Filed 2005·Granted Feb 3, 2009·4 cites·18 claims
- 0973US4158848AElectrostatic recording multi-stylus electrode deviceRICOH KK·Filed 1978·Granted Jun 19, 1979·14 cites·5 claims
- 1071US4590362ADrive circuit for temperature control heater in ink jet printerRICOH KK·Filed 1984·Granted May 20, 1986·24 cites·13 claims
- 1161US4564749AHeater drive circuit for controlling ink temperature in ink jet printerRICOH KK·Filed 1984·Granted Jan 14, 1986·18 cites·7 claims
- 1259US4494178APower supply circuitRICOH KK·Filed 1982·Granted Jan 15, 1985·13 cites·18 claims
- 1358US7880758B2Image forming apparatusRICOH CO LTD·Filed 2008·Granted Feb 1, 2011·0 cites·10 claims
- 1457US4165514AElectrostatic recording multi-stylus electrode deviceRICOH KK·Filed 1978·Granted Aug 21, 1979·8 cites·4 claims
- 1556US5115327AGain control circuit for use in shading compensation circuitRICOH KK·Filed 1990·Granted May 19, 1992·17 cites·6 claims
- 1656US4989100AImage reader for an image recording apparatusRICOH KK·Filed 1989·Granted Jan 29, 1991·13 cites·9 claims
- 1746US6118468AImage recording apparatusRICOH KK·Filed 1997·Granted Sep 12, 2000·13 cites·6 claims
- 1846US2006268308A1Raster image processing method, image processing method, rasterizing device, and image forming deviceSUZUKI SHINICHI·Filed 2006·Application pending·0 cites
- 1942US7961208B2Image forming apparatus, image forming method, and image forming program productRICOH CO LTD·Filed 2006·Granted Jun 14, 2011·0 cites·15 claims
- 2042US4555713APower source device for ink jet printerRICOH KK·Filed 1984·Granted Nov 26, 1985·4 cites·5 claims
- 2142US2006285177A1Return light adverse effect suppressing optical unit, image forming apparatus, and printing systemMORIKAWA MINORU·Filed 2006·Application pending·0 cites
- 2231US5101281AAutomatic gain control circuit of image reading apparatusRICOH KK·Filed 1990·Granted Mar 31, 1992·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →