Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D310092 | Electronic typewriter | Noriaki Haranishi | 1990-08-21 |
| D307436 | Ink ribbon cassette for electronic typewriter | Koh Hasegawa | 1990-04-24 |
| D307440 | Printer | Seiichi Omino, Katsuhiro Watanabe | 1990-04-24 |
| D302828 | Ink ribbon cassette for electronic typewriter | Yasuo Ohba | 1989-08-15 |
| D299251 | Desk-top electronic calculator | Takeshi Hasegawa, Akihiko Kobayashi | 1989-01-03 |
| D294368 | Desk-top electronic calculator | Hideo Fushimoto | 1988-02-23 |
| D289413 | Desk-top electronic calculator with printer | Hideo Fushimoto | 1987-04-21 |
| D289417 | Desk-top electronic calculator | Hideo Fushimoto | 1987-04-21 |