Inventor · disambiguated record
Shun-Ichiro Yamanaka
Also filed as: YAMANAKA SHUN-ICHIRO
17 granted patents·220 citations·filing 1993–2003
94Inventor score
Top patents by PatentIndex Score
17 records- 0181US5501934AChargeable resin powderORIENT CHEMICAL IND·Filed 1994·Granted Mar 26, 1996·39 cites·17 claims
- 0279US6326113B1Charge control agent manufacturing process thereof and toner for developing electrostatic imagesCHUKYO YUSHI CO LTD·Filed 2000·Granted Dec 4, 2001·26 cites·36 claims
- 0375US6548648B1Process for preparing a monoazo metal complex salt compound for charge control agent and toner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 2000·Granted Apr 15, 2003·9 cites·8 claims
- 0471US5976749AMetal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paintORIENT CHEMICAL IND·Filed 1996·Granted Nov 2, 1999·18 cites·16 claims
- 0569US5952145ACalix arene charge control agent and toner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 1997·Granted Sep 14, 1999·20 cites·24 claims
- 0668US6197467B1Charge control agent, manufacturing process therefor and tonerORIENT CHEMICAL IND·Filed 1998·Granted Mar 6, 2001·20 cites·36 claims
- 0766US5407774ACharge control agent and positively chargeable toner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 1993·Granted Apr 18, 1995·17 cites·20 claims
- 0865US5990332AMetal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paintORIENT CHEMICAL IND·Filed 1998·Granted Nov 23, 1999·14 cites·7 claims
- 0960US6762004B2Charge control agent and toner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 2002·Granted Jul 13, 2004·7 cites·12 claims
- 1060US5843611AMonoazo metal compound, composition thereof, charge control agent, toner and powdery paintORIENT CHEMICAL IND·Filed 1996·Granted Dec 1, 1998·13 cites·11 claims
- 1160US5736289AToner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 1997·Granted Apr 7, 1998·13 cites·13 claims
- 1254US5518852ANegative charge control agent and toner for developing electrostatic imageORIENT CHEMICAL IND·Filed 1994·Granted May 21, 1996·9 cites·5 claims
- 1351US6756485B2Process for preparing a monoazo metal complex salt compound for charge control agent and toner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 2003·Granted Jun 29, 2004·4 cites·38 claims
- 1443US6534231B1Charge control agent and toner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 1999·Granted Mar 18, 2003·6 cites·16 claims
- 1531US6153735AMonoazo metal compound, composition thereof, charge control agent, toner and powdery paintORIENT CHEMICAL IND·Filed 1998·Granted Nov 28, 2000·2 cites·2 claims
- 1631US5501932ACharge control agent and toner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 1994·Granted Mar 26, 1996·2 cites·12 claims
- 1731US5470685AToner for developing electrostatic imagesORIENT CHEMICAL IND·Filed 1994·Granted Nov 28, 1995·1 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →