Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702510 | Aqueous ink of pigment type | Satoshi Yoshida, Kouichi Sakai, Masayoshi Nawa | 1997-12-30 |
| 5631309 | Aqueous inks for ink jet recording | Kouichi Sakai, Masayoshi Nawa, Koichi Nakamura | 1997-05-20 |
| 5607771 | Thermal transfer recording medium | Takashi Matsuse, Hiroyuki Mitobe, Masafumi Miyamoto, Masayoshi Nawa | 1997-03-04 |