Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7829733 | Change control resin particles and toner for developing electrostatic images | Akihide Isoda, Tetsuji Kihara | 2010-11-09 |
| 7582787 | Charge control agent, manufacturing process thereof, charge control resin particles and toner for developing electrostatic images | Akihide Isoda, Tetsuji Kihara | 2009-09-01 |
| 7342062 | Monoazo metal complex compound containing composition and production method thereof | Akihiro Tada | 2008-03-11 |
| 6399681 | Colored thermoplastic resin composition and related arts thereof | Akihiko Hayashi, Hiroshi Takeuchi | 2002-06-04 |
| 6153735 | Monoazo metal compound, composition thereof, charge control agent, toner and powdery paint | Kazuaki Sukata, Shuji Sugawara, Shun-ichiro Yamanaka, Masashi Yasumatsu | 2000-11-28 |
| 6060615 | Positively-chargeable charge control agent and toner for developing electrostatic images | Kazuaki Sukata | 2000-05-09 |
| 5990332 | Metal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paint | Kazuaki Sukata, Shun-ichiro Yamanaka, Shuji Sugawara, Masashi Yasumatsu | 1999-11-23 |
| 5981130 | Positively-chargeable charge control agent and toner for developing electrostatic images | Kazuaki Sukata | 1999-11-09 |
| 5976749 | Metal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paint | Kazuaki Sukata, Shun-ichiro Yamanaka, Shuji Sugawara, Masashi Yasumatsu | 1999-11-02 |
| 5843611 | Monoazo metal compound, composition thereof, charge control agent, toner and powdery paint | Kazuaki Sukata, Shuji Sugawara, Shun-ichiro Yamanaka, Masashi Yasumatsu | 1998-12-01 |