Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880324 | Transfer method for heat-sensitive transfer recording | Hiroshi Sato, Kazumi Tanaka, Naoki Kushida, Masato Katayama, Yasuyuki Tamura +4 more | 1989-11-14 |
| 4880686 | Thermal transfer material | Hisao Yaegashi, Tetsuo Hasegawa, Naoki Kushida, Koichi Tohma | 1989-11-14 |