Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D299590 | Carrying case | — | 1989-01-31 |
| D295288 | Electronic typewriter | Toshiaki Itazawa | 1988-04-19 |
| D292806 | Electronic typewriter | Toshiaki Itazawa | 1987-11-17 |
| D290715 | Ink ribbon cassette | Noboru Shimoyama | 1987-07-07 |
| D285870 | Typewriter case | Tamao Ikuta | 1986-09-30 |