Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317172 | Ink ribbon cassette | Akira Miyamoto, Tokushige Ohmiya, Genichiro Ohtani, Setsuo Kawai, Kenji Watanabe +2 more | 1991-05-28 |
| D315919 | Electronic tape writer | Akira Miyamoto, Tokushige Ohmiya, Genichiro Otani, Setsuo Kawai, Kenji Watanabe +2 more | 1991-04-02 |