Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348829 | Monocomponent-type developer for developing electrostatic image and image forming method | Masaki Uchiyama, Yasutaka Akashi, Makoto Unno | 1994-09-20 |
| 5338894 | Image forming method with improved development | Masaki Uchiyama, Hirohide Tanikawa, Yasutaka Akashi, Makoto Unno | 1994-08-16 |
| 5330871 | Toner for developing electrostatic image | Hirohide Tanikawa, Masaki Uchiyama, Yoshinobu Joh, Yasutaka Akashi, Makoto Unno | 1994-07-19 |
| 5296326 | Magnetic toner | Hirohide Tanikawa, Yasutaka Akashi, Makoto Unno, Masaki Uchiyama, Kiichiro Sakashita | 1994-03-22 |
| 5268248 | Toner for developing electrostatic image and process for production thereof | Hirohide Tanikawa, Masaki Uchiyama, Yoshinobu Joh, Yasutaka Akashi, Makoto Unno +1 more | 1993-12-07 |
| 5219946 | Binder resin and process for producing it | Hirohide Tanikawa, Masaki Uchiyama, Tsutomu Kukimoto, Yasutaka Akashi, Makoto Unno +1 more | 1993-06-15 |
| 5212524 | Toner for developing electrostatic images, image forming method and image forming apparatus | Hirohide Tanikawa, Yasutaka Akashi, Masaki Uchiyama, Makoto Unno | 1993-05-18 |
| 5202731 | Image forming apparatus having an alternating bias electric field | Hirohide Tanikawa, Yasutaka Akashi, Kuniko Kobayashi, Masaki Uchiyama | 1993-04-13 |
| 5175070 | Image forming method and image forming apparatus | Hirohide Tanikawa, Yasutaka Akashi, Kuniko Kobayashi, Masaki Uchiyama | 1992-12-29 |
| 5169738 | Toner for developing electrostatic images, image forming method and image forming apparatus | Hirohide Tanikawa, Yasutaka Akashi, Masaki Uchiyama, Makoto Unno | 1992-12-08 |