Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661158 | Recording liquid | Masatsune Kobayashi, Tsuyoshi Eida, Shoji Koike | 1987-04-28 |
| 4627875 | Recording liquid | Masatsune Kobayashi, Tsuyoshi Eida, Shoji Koike | 1986-12-09 |
| 4585484 | Recording liquid | Masahiro Haruta, Tadayuki Nakousai, Kazuo Iwata | 1986-04-29 |