Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882593 | Method and apparatus for carrying out transference recording of an ink image | Kouichi Touma, Tetsuo Hasegawa, Naoki Kushida, Yasuyuki Tamura, Shuzo Kaneko | 1989-11-21 |
| 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 | Tetsuo Hasegawa, Naoki Kushida, Koichi Tohma, Takayuki Suzuki | 1989-11-14 |