Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9280077 | Charge control agent composition for external addition and electrostatic image developing toner | Koichi Tsunemi, Toshihiko Oguchi, Atsushi Suka, Takashi Iimura, Kazuyuki Matsumura +2 more | 2016-03-08 |
| 6316155 | External additive for electrostatically charged latent image developing toner | Muneo Kudo, Masaki Tanaka, Shoji Ichinohe, Mitsuo Asai | 2001-11-13 |