Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883234 | Cassette with winding slack preventing mechanism | Noboru Yamakawa | 1989-11-28 |
| 4820686 | Sheet for heat transference | Yoshikazu Ito, Masanori Akada, Masaki Kutsukake, Masanori Saito, Atsushi Takano +2 more | 1989-04-11 |
| 4820687 | Image receiving sheet and process for producing the same | Sadanobu Kawasaki, Masanori Akada | 1989-04-11 |