Inventor · disambiguated record
Tsuneaki Kawanishi
Also filed as: KAWANISHI TSUNEAKI
24 granted patents·3 pending applications·410 citations·filing 1979–2005
96Inventor score
Files withHITACHI LTD9HITACHI PRINTING SOLUTIONS LTD6HITACHI KOKI KK5HITACHI METALS LTD3RICOH PRINTING SYS LTD3
Top patents by PatentIndex Score
27 records- 0194US4680058AWhite ink composition for ink-jet printingHITACHI LTD·Filed 1985·Granted Jul 14, 1987·95 cites·33 claims
- 0294US4640880AElectrophotographic process with magnetic brush development using semiconductive ferrite carriersHITACHI METALS LTD·Filed 1984·Granted Feb 3, 1987·46 cites·14 claims
- 0389US5923933AElectrophotographic apparatusHITACHI KOKI KK·Filed 1998·Granted Jul 13, 1999·49 cites·14 claims
- 0482US5649273ABelt-type fixing device having an irregular surface contourHITACHI LTD·Filed 1996·Granted Jul 15, 1997·24 cites·1 claims
- 0579US5363180AFixing device for electrophotography and electrophotographic apparatus incorporating the fixing deviceHITACHI LTD·Filed 1992·Granted Nov 8, 1994·18 cites·18 claims
- 0678US6813462B2Electro-photographic developing unitHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Nov 2, 2004·17 cites·19 claims
- 0778US5345301AImage fixing device and electrophotographic apparatus incorporated with such deviceHITACHI LTD·Filed 1991·Granted Sep 6, 1994·23 cites·10 claims
- 0874US7574164B2Developing device and electrophotographic apparatus using the sameRICOH KK·Filed 2005·Granted Aug 11, 2009·4 cites·19 claims
- 0969US4990418AElectrophotographic photoreceptor and method of producing the sameHITACHI LTD·Filed 1989·Granted Feb 5, 1991·16 cites·12 claims
- 1066US5519479AFixing device for electrophotography and electrophotographic apparatus incorporating the fixing deviceHITACHI LTD·Filed 1995·Granted May 21, 1996·12 cites·1 claims
- 1165US5508138AFixing device for electrophotography and electrophotographic apparatus incorporating the fixing deviceHITACHI LTD·Filed 1994·Granted Apr 16, 1996·10 cites·33 claims
- 1263US7022448B2Electrophotographic toner and image-forming systemRICOH PRINTING SYS LTD·Filed 2003·Granted Apr 4, 2006·8 cites·53 claims
- 1362US6783909B2Electrostatic image developing toner and image forming methodHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Aug 31, 2004·8 cites·6 claims
- 1462US5701560AImage forming apparatus having a photosensitive body formed of a base material consisting of As2 Se3 or a-Si and a methodHITACHI KOKI KK·Filed 1996·Granted Dec 23, 1997·15 cites·25 claims
- 1561US4265993AMagnetic toner for electrostatic images and transfer copyingHITACHI METALS LTD·Filed 1979·Granted May 5, 1981·15 cites·5 claims
- 1660US5215842APhotosensitive element for electrophotographyHITACHI LTD·Filed 1991·Granted Jun 1, 1993·13 cites·31 claims
- 1759US7090956B2Image forming method and image forming apparatusRICOH PRINTING SYS LTD·Filed 2001·Granted Aug 15, 2006·7 cites·10 claims
- 1856US4433042AElectrophotographic developing method using magnetic tonersHITACHI METALS LTD·Filed 1981·Granted Feb 21, 1984·9 cites·6 claims
- 1946US6829449B2Image forming apparatus with transfer bias inverting functionHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Dec 7, 2004·3 cites·2 claims
- 2044US7144667B2Electrostatic charge image developing toner, and developer, image forming apparatus and image forming method using the same tonerRICOH PRINTING SYS LTD·Filed 2004·Granted Dec 5, 2006·2 cites·19 claims
- 2143US4978596AElectrophotographic toner comprising lactone-modified epoxy resinHITACHI LTD·Filed 1986·Granted Dec 18, 1990·9 cites·6 claims
- 2240US5832347AToner for recording electrostatic image and electrostatic recording method and apparatus using the sameHITACHI KOKI KK·Filed 1997·Granted Nov 3, 1998·5 cites·5 claims
- 2336US6696210B2Electrostatic charge developing toner and image forming method using the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Feb 24, 2004·0 cites·18 claims
- 2434US2004058265A1Electrostatic charge image developing developer and image forming apparatus using the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Application pending·0 cites
- 2533US2004058259A1Electrostatic charge image developing toner and image forming apparatus using the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Application pending·0 cites
- 2632US6157798AElectrostatic recording apparatusHITACHI KOKI KK·Filed 1999·Granted Dec 5, 2000·2 cites·9 claims
- 2732US2002022189A1Toner for developing electrostatic charge image and image forming apparatus using the sameHITACHI KOKI KK·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →