Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9079989 | Charge control resin and manufacturing method of the same | Kaori Inoue, Satoko Ozaki | 2015-07-14 |
| 8883946 | Charge control resin and manufacturing method of the same | Kaori Inoue, Satoko Ozaki | 2014-11-11 |
| 8076465 | Method for manufacturing charge control agent | Kazuyoshi Kuroda, Osamu Yamate, Kaori Sato, Jun Hikata | 2011-12-13 |
| 7879520 | Toner for developing electrostatic image and image formation process using it | Kaori Sato | 2011-02-01 |
| 7875412 | Positive electrified charge control agent and positive electrified toner for developing electrostatic image | Osamu Yamate | 2011-01-25 |
| 7479360 | Electric charge controlling agent, toner for developing electrostatic charge image containing the same, and method for forming image using the toner | Kazuyoshi Kuroda, Osamu Yamate, Kaori Sato, Jun Hikata, Heihachi Yushina | 2009-01-20 |
| 7413837 | Charge control agent and toner for electrostatic image development containing the same | Toshihiro Urakawa, Akihiro Tada | 2008-08-19 |
| 7094513 | Charge control agent and toner for electrostatic image development | Kazuyoshi Kuroda, Osamu Yamate, Kaori Sato, Jun Hikata, Heihachi Yushina | 2006-08-22 |
| 6756485 | Process for preparing a monoazo metal complex salt compound for charge control agent and toner for developing electrostatic images | Akihiro Tada, Shun-ichiro Yamanaka | 2004-06-29 |
| 6548648 | Process for preparing a monoazo metal complex salt compound for charge control agent and toner for developing electrostatic images | Akihiro Tada, Shun-ichiro Yamanaka | 2003-04-15 |
| 6197467 | Charge control agent, manufacturing process therefor and toner | Shun-ichiro Yamanaka, Kazuaki Sukata | 2001-03-06 |
| 6153735 | Monoazo metal compound, composition thereof, charge control agent, toner and powdery paint | Kazuaki Sukata, Shuji Sugawara, Shun-ichiro Yamanaka, Tohru Tsuruhara | 2000-11-28 |
| 5990332 | Metal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paint | Kazuaki Sukata, Tohru Tsuruhara, Shun-ichiro Yamanaka, Shuji Sugawara | 1999-11-23 |
| 5976749 | Metal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paint | Kazuaki Sukata, Tohru Tsuruhara, Shun-ichiro Yamanaka, Shuji Sugawara | 1999-11-02 |
| 5843611 | Monoazo metal compound, composition thereof, charge control agent, toner and powdery paint | Kazuaki Sukata, Shuji Sugawara, Shun-ichiro Yamanaka, Tohru Tsuruhara | 1998-12-01 |