Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303981 | Dest-top electronic calculator | Eiichi Yoshioka | 1989-10-10 |
| D301885 | Hand held electronic dialer | Osamu Murakami | 1989-06-27 |
| D298545 | Desk-top electronic calculator | Eiichi Yoshioka, Akihiko Kobayashi, Takeshi Hasegawa, Shigeki Mori | 1988-11-15 |
| D298546 | Desk-top electronic calculator | Eiichi Yoshioka, Akihiko Kobayashi, Takeshi Hasegawa | 1988-11-15 |
| D298547 | Desk-top electronic calculator | Eiichi Yoshioka, Akihiko Kobayashi, Yasuhide Saito | 1988-11-15 |
| D298548 | Desk-top electronic calculator | Eiichi Yoshioka, Akihiko Kobayashi, Yasuhide Saito | 1988-11-15 |