Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088845 | Ribbon cassette for mechanically unlocking a printing mechanism upon insertion of the ribbon cassette into a printing device | — | 1992-02-18 |
| 4701579 | Data entry keyboard | Kazuyoshi Minaminaka, Takeo Ito, Kiyoshi Yamakawa | 1987-10-20 |
| 4533267 | Ribbon driving mechanism for typewriter | Takeo Ito, Takayuki Iwase, Junji Shiota | 1985-08-06 |
| 4412755 | Typewriter with an erasing apparatus | Takeo Itoh, Hiroshi Onoda | 1983-11-01 |
| 4407592 | Power-operated typewriter | Takeo Ito, Hiroshi Onoda | 1983-10-04 |
| 4401395 | Typewriter | Takeo Ito, Hiroshi Onoda | 1983-08-30 |
| 4382705 | Typewriter with an erasing apparatus | Takeo Itoh, Hiroshi Onoda, Kiyomichi Okado, Susumu Kuzuya | 1983-05-10 |