Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887096 | Recording apparatus | Yoshio Uchikata, Kenji Kawazoe, Akihiko Sukigara, Yoshikazu Shibamiya, Shigeru Mizoguchi | 1989-12-12 |
| D302829 | Ink ribbon cassette | Shigeru Nezu | 1989-08-15 |