Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4288517 | Toner for electrostatic photography containing resin coated silica particles | Seiji Arimatsu, Katsukiyo Ishikawa, Koichi Nagata | 1981-09-08 |
| 4251622 | Photo-sensitive composition for dry formation of image | Koichi Kimoto, Shin Saito, Kunsei Tanabe, Yasuyuki Takimoto | 1981-02-17 |