Inventor · disambiguated record
Yasunori Kawaishi
Also filed as: KAWAISHI YASUNORI
17 granted patents·513 citations·filing 1980–1999
96Inventor score
Technology areasG03G
Files withRICOH KK17
Top patents by PatentIndex Score
17 records- 0192US6212351B1Image transferring method and image forming apparatus for transferring toner image from image carrier to recording medium either via or carried on intermediate image transfer beltRICOH KK·Filed 1999·Granted Apr 3, 2001·58 cites·53 claims
- 0292US5160969AImage forming apparatus having a separate black developer stored for a color imageRICOH KK·Filed 1991·Granted Nov 3, 1992·52 cites·11 claims
- 0392US4571056AFixing deviceRICOH KK·Filed 1984·Granted Feb 18, 1986·40 cites·7 claims
- 0491US5461461AImage transferring device and medium separating device for an image forming apparatusRICOH KK·Filed 1993·Granted Oct 24, 1995·40 cites·32 claims
- 0591US5442428AImage recording apparatusRICOH KK·Filed 1994·Granted Aug 15, 1995·43 cites·10 claims
- 0690US5701566AImage transferring device for an image forming apparatusRICOH KK·Filed 1995·Granted Dec 23, 1997·43 cites·13 claims
- 0785US5666622AImage transferring device and medium separating device for an image forming apparatusRICOH KK·Filed 1995·Granted Sep 9, 1997·35 cites·35 claims
- 0885US5159392AImage forming apparatus for forming an image on one or both sides of a recording mediumRICOH KK·Filed 1991·Granted Oct 27, 1992·34 cites·27 claims
- 0984US6125257AMethods and systems for cleaning residual toner from image developing deviceRICOH KK·Filed 1997·Granted Sep 26, 2000·35 cites·39 claims
- 1075US5291252AMulticolor image forming apparatus with tension controlled image transfer beltRICOH KK·Filed 1992·Granted Mar 1, 1994·21 cites·13 claims
- 1173US5162859AImage forming apparatus capable of creating duplex mixed full color and black/white copies and delivering copy sets on page-sequential orderRICOH KK·Filed 1991·Granted Nov 10, 1992·21 cites·8 claims
- 1272USRE38206EImage transferring device for an image forming apparatusRICOH KK·Filed 1999·Granted Jul 29, 2003·18 cites·39 claims
- 1372US5648842AMethods and systems for cleaning residual toner from image-developing deviceRICOH KK·Filed 1996·Granted Jul 15, 1997·20 cites·39 claims
- 1471US6057869AImage forming apparatus for fixing a toner image at a first speed or at a second speedRICOH KK·Filed 1997·Granted May 2, 2000·22 cites·10 claims
- 1560US5142339AImage recorder with variable fuser nip entry positionRICOH KK·Filed 1991·Granted Aug 25, 1992·12 cites·11 claims
- 1657US4348106AGuide apparatus for movable contact glass in electrophotographic copying machinesRICOH KK·Filed 1980·Granted Sep 7, 1982·9 cites·9 claims
- 1754US5278613AImage forming apparatus with transfer medium and electrometer positioned opposite the transfer regionRICOH KK·Filed 1992·Granted Jan 11, 1994·10 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →