Inventor · disambiguated record
Kazuhiko Ishiwata
Also filed as: ISHIWATA KAZUHIKO
12 granted patents·587 citations·filing 1976–2004
93Inventor score
Top patents by PatentIndex Score
12 records- 0198US5623328AProcess cartridge and image forming system on which process cartridge is mountableCANON KK·Filed 1994·Granted Apr 22, 1997·146 cites·45 claims
- 0298US5345294AProcess cartridge and image forming apparatus using sameCANON KK·Filed 1992·Granted Sep 6, 1994·127 cites·32 claims
- 0397US5828928AProcess cartridge mountable in an image forming system and a method for assembling a cleaning deviceCANON KK·Filed 1995·Granted Oct 27, 1998·114 cites·32 claims
- 0497US5208634AProcess cartridge detachably mountable to image forming apparatus featuring an injectable sealing memberCANON KK·Filed 1991·Granted May 4, 1993·93 cites·30 claims
- 0581US5138394ACleaning apparatus with means to effectively use toner storage spaceCANON KK·Filed 1990·Granted Aug 11, 1992·26 cites·24 claims
- 0675US6026272AImage forming apparatus having fixing apparatus with cleaning deviceCANON KK·Filed 1998·Granted Feb 15, 2000·25 cites·25 claims
- 0772US4040666AApparatus and method of shield excavationTEKKEN CONSTR CO·Filed 1976·Granted Aug 9, 1977·22 cites·6 claims
- 0867US5235395AImage fixing apparatusCANON KK·Filed 1990·Granted Aug 10, 1993·16 cites·21 claims
- 0954US7280949B2Aided design apparatus, aided design method, and recording medium for recording program for carrying out the methodCANON KK·Filed 2003·Granted Oct 9, 2007·4 cites·21 claims
- 1049US5113224AReciprocating driving deviceCANON KK·Filed 1991·Granted May 12, 1992·11 cites·29 claims
- 1146US6748187B2Image forming apparatus with conveyance and exposure controlCANON KK·Filed 2002·Granted Jun 8, 2004·3 cites·15 claims
- 1245US7552038B2Information processor for supporting a sheet feeding machine designCANON KK·Filed 2004·Granted Jun 23, 2009·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →