Inventor · disambiguated record
Kazuhiko Yuuki
Also filed as: YUUKI KAZUHIKO
11 granted patents·333 citations·filing 1997–2005
92Inventor score
Technology areasG03G
Files withRICOH KK11
Top patents by PatentIndex Score
11 records- 0198US6567637B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2001·Granted May 20, 2003·105 cites·28 claims
- 0294US6748190B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2003·Granted Jun 8, 2004·42 cites·28 claims
- 0393US6334039B1Method and apparatus for image forming apparatus capable of accurately detecting toner image patternsRICOH KK·Filed 2000·Granted Dec 25, 2001·51 cites·26 claims
- 0491US7289748B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2005·Granted Oct 30, 2007·10 cites·14 claims
- 0591US6366754B1Color image forming apparatus with toner recyclingRICOH KK·Filed 2000·Granted Apr 2, 2002·44 cites·32 claims
- 0682US6690896B2Image forming apparatus, replacement assembly for image forming apparatus and integrated circuit chip thereforRICOH KK·Filed 2001·Granted Feb 10, 2004·22 cites·20 claims
- 0775US7218880B2Apparatus and method for replenishing a developing device with toner while suppressing toner remainingRICOH KK·Filed 2004·Granted May 15, 2007·10 cites·18 claims
- 0875US6603943B2Developing apparatus including first and second agitating members in which the first agitating member includes non-screw portionRICOH KK·Filed 2001·Granted Aug 5, 2003·15 cites·11 claims
- 0971US6141521AImage forming device and method thereforRICOH KK·Filed 1998·Granted Oct 31, 2000·20 cites·8 claims
- 1052US6101361AImage forming apparatus with a device and a method to increase contact area between a transfer sheet and an image carrierRICOH KK·Filed 1998·Granted Aug 8, 2000·9 cites·4 claims
- 1141US5884134AImage forming apparatus with a device to increase contact area between a transfer sheet and an image carrierRICOH KK·Filed 1997·Granted Mar 16, 1999·5 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →