Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296326 | Magnetic toner | Masaaki Taya, Hirohide Tanikawa, Yasutaka Akashi, 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, Masaaki Taya +1 more | 1993-12-07 |
| 5219946 | Binder resin and process for producing it | Hirohide Tanikawa, Masaki Uchiyama, Tsutomu Kukimoto, Yasutaka Akashi, Masaaki Taya +1 more | 1993-06-15 |
| 5212524 | Toner for developing electrostatic images, image forming method and image forming apparatus | Hirohide Tanikawa, Yasutaka Akashi, Masaki Uchiyama, Masaaki Taya | 1993-05-18 |
| 5169738 | Toner for developing electrostatic images, image forming method and image forming apparatus | Hirohide Tanikawa, Yasutaka Akashi, Masaki Uchiyama, Masaaki Taya | 1992-12-08 |