Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153352 | Ink for inkjet recording | Hiroyuki Ogawa, Toshihiro Endo, Hajime Tsunoda, Osamu Matsumoto | 2006-12-26 |
| 7060125 | Non-aqueous ink composition | Hiroyuki Ogawa, Osamu Matsumoto, Toshihiro Endo, Yasuo Yamamoto | 2006-06-13 |
| 7022172 | Non-aqueous ink composition | Osamu Matsumoto | 2006-04-04 |
| 5779777 | Emulsion ink for stencil printing | Sadanao Okuda | 1998-07-14 |