Inventor · disambiguated record
Toshiaki Higaya
Also filed as: ARIYAMA KENZO · HIGAYA TOSHIAKI
24 granted patents·1 pending application·971 citations·filing 1977–2010
97Inventor score
Top patents by PatentIndex Score
25 records- 0198US5300996AFixing apparatusRICOH KK·Filed 1992·Granted Apr 5, 1994·94 cites·13 claims
- 0297US7885590B2Image forming apparatus and fixing deviceRICOH CO LTD·Filed 2007·Granted Feb 8, 2011·29 cites·20 claims
- 0397US7817952B2Fixer and image forming apparatus including the sameRICOH KK·Filed 2007·Granted Oct 19, 2010·28 cites·21 claims
- 0496US5915147AImage fixing device, image forming apparatus providing the image fixing device and rotor used in the image fixing device and having induction coil insideRICOH KK·Filed 1998·Granted Jun 22, 1999·122 cites·8 claims
- 0596US5832354AImage fixing device, image forming apparatus providing the image fixing device and rotor used in the image fixing device and having induction coil insideRICOH KK·Filed 1996·Granted Nov 3, 1998·134 cites·35 claims
- 0694US5426495AImage fixing device having heating portion at one end thereofRICOH KK·Filed 1994·Granted Jun 20, 1995·60 cites·26 claims
- 0793US8112023B2Image forming apparatus and fixing deviceSEO HIROSHI·Filed 2010·Granted Feb 7, 2012·9 cites·16 claims
- 0893US6340810B2Device with induction heating roller including projecting portions at both ends and a central portion of a bobbin for maintaining a gap between an inner surface of the heating roller and a coil on the bobbinRICOH KK·Filed 2001·Granted Jan 22, 2002·43 cites·19 claims
- 0992US6753515B2Induction heating type fixing device for an image forming apparatus and induction heating coil thereforRICOH KK·Filed 2001·Granted Jun 22, 2004·38 cites·14 claims
- 1092US4640608ACleaning method for use in electrophotographyRICOH KK·Filed 1981·Granted Feb 3, 1987·56 cites·2 claims
- 1191USRE36124EFixing apparatusRICOH KK·Filed 1996·Granted Mar 2, 1999·50 cites·13 claims
- 1290US6899986B2Image forming method and toner for use in the methodRICOH KK·Filed 2002·Granted May 31, 2005·28 cites·22 claims
- 1390US6292648B1Fixing device using induction heating for image forming apparatusRICOH KK·Filed 2000·Granted Sep 18, 2001·37 cites·21 claims
- 1489US7135660B2Induction heating type fixing device for an image forming apparatus and induction heating coil thereforRICOH KK·Filed 2005·Granted Nov 14, 2006·9 cites·10 claims
- 1588US4181425AApparatus for cleaning photosensitive memberRICOH KK·Filed 1977·Granted Jan 1, 1980·26 cites·9 claims
- 1685US6574448B2Image forming apparatus and method for improving image quality of double sided printsRICOH KK·Filed 2001·Granted Jun 3, 2003·24 cites·145 claims
- 1783US6255632B1Device with induction heating roller with a projection between coil windingsRICOH KK·Filed 1997·Granted Jul 3, 2001·41 cites·4 claims
- 1882US5594540AFixing apparatus with a release oil applying memberRICOH KK·Filed 1995·Granted Jan 14, 1997·44 cites·5 claims
- 1980US6327456B1Induction heating fixing device and image forming apparatusRICOH KK·Filed 2000·Granted Dec 4, 2001·18 cites·15 claims
- 2077US6946629B2Induction heating type fixing device for an image forming apparatus and induction heating coil thereforTOHOKU RIKO KK·Filed 2004·Granted Sep 20, 2005·17 cites·25 claims
- 2171US7150954B2Image forming method and toner for use in the methodRICOH KK·Filed 2004·Granted Dec 19, 2006·10 cites·11 claims
- 2271US6262404B1Induction heating type fixing device and method of producing an induced current generating member thereforRICOH KK·Filed 1999·Granted Jul 17, 2001·29 cites·36 claims
- 2365US6169871B1Fixing apparatus with improved fixing efficiencyRICOH KK·Filed 1999·Granted Jan 2, 2001·24 cites·14 claims
- 2458US7512371B2Method and apparatus for image forming capable of effective image fixing using induction heatingRICOH KK·Filed 2005·Granted Mar 31, 2009·1 cites·37 claims
- 2540US2007280754A1Fixing device and image forming apparatusRICOH KK·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →