Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690723 | Ink composition suitable for ink jet recording | Yukari Sano, Junko Takatsuna, Kazuaki Watanabe | 1997-11-25 |
| 5647897 | Ink composition for ink jet recording | Yasuhiro Ouki, Miharu Kanaya, Hiroko Hayashi, Masaaki Itano | 1997-07-15 |