Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D415757 | Digital audio disk recorder | Shin Takahashi, Keiichi Koyama | 1999-10-26 |
| D321526 | Projector | Taisuke Saeki, Harumi Sakamoto | 1991-11-12 |
| D321527 | Projector | Kazuo Tsujimoto, Osamu Shimizu | 1991-11-12 |
| D319437 | Television set | Hiroshi Kajimoto | 1991-08-27 |
| D311530 | Television set | Yoshito Fujii, Taisuke Saeki, Hiroshi Kajimoto | 1990-10-23 |
| D309134 | Television set | Yoshito Fujii, Harumi Sakamoto | 1990-07-10 |
| D300041 | Electronic whiteboard and photocopier | Harumi Sakamoto | 1989-02-28 |
| D279196 | Electronic calculator with watch | Masaji Sawada | 1985-06-11 |
| D273305 | Electronic calculator | — | 1984-04-03 |
| D267290 | Case for an electronic calculator | — | 1982-12-21 |
| D263962 | Document feeding machine for electronic copying machine | — | 1982-04-20 |
| D263853 | Electronic translator | — | 1982-04-13 |
| D262140 | Electronic calculating machine | Masafumi Yamagami | 1981-12-01 |
| D260902 | Electrostatic copying machine | — | 1981-09-22 |
| D257984 | Electrophotographical duplicator | Isao Kitai | 1981-01-20 |