Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066560 | Process for producing toner for electrophotography | Shigeyoshi Tanaka, Ken-ichi Kishi, Yasuyuki Iguchi, Takeo Kudo, Takashi Amano +1 more | 1991-11-19 |
| 4983488 | Process for producing toner for electrophotography | Shigeyoshi Tanaka, Ken-ichi Kishi, Yasuyuki Iguchi, Takeo Kudo, Takashi Amano +1 more | 1991-01-08 |