Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881084 | Image recording method using fluid ink electrochemically imparted with adhesiveness | Yasuyuki Tamura, Naoki Kushida, Koichi Tohma, Hiroshi Fukumoto, Toshiya Yuasa +2 more | 1989-11-14 |
| 4858062 | Charging device | Naoji Hayakawa, Masanori Takenouchi, Kenji Nakamura, Yasuo Kozato, Isao Hakamada | 1989-08-15 |
| 4855763 | Image recording apparatus | Norihiko Koizumi, Hiroshi Fukumoto, Toshiya Yuasa, Noboru Tohyama, Shinya Mishina +1 more | 1989-08-08 |
| 4838940 | Image recording ink | Kohzoh Arahara, Noboru Tohyama, Toshiya Yuasa, Hiroshi Fukumoto | 1989-06-13 |