Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7051840 | Power unit | — | 2006-05-30 |
| 6848530 | Hydromechanical speedchange device and vehicle having speed change device mounted thereon | — | 2005-02-01 |
| 5817214 | Rosin emulsion sizing agent for paper making and method for paper sizing using the same | Yoshihiro Sasaki, Daijiro Arai | 1998-10-06 |
| 5341722 | Positioning apparatus used for machine tools etc. | Tenzo Yamaguchi | 1994-08-30 |
| 5288782 | Rosin emulsion sizing agents for papermaking | Masato Nakajima, Itsuro Sakai | 1994-02-22 |
| 5145522 | Ketene dimer sizing agent for paper making | Hiroshi Nakagawa, Atsushi Ikeda, Itsuo Sakai | 1992-09-08 |
| D310220 | Combined tape recorder, radio and compact disc player | Yoshitsugu Hirose, Yasuo Matsudaira | 1990-08-28 |
| D299340 | Telephone | — | 1989-01-10 |
| D298320 | Telephone set | Yoshitsugu Hirose, Satoshi Fukutome, Yasuhisa Hashimoto | 1988-11-01 |
| D298235 | Combined tape player and radio | Yoshitsugu Hirose, Satoshi Fukutome | 1988-10-25 |
| D298236 | Combined tape player and radio | Yoshitsugu Hirose, Satoshi Fukutome | 1988-10-25 |
| D298239 | Telephone set | Yoshitsugu Hirose, Satoshi Fukutome, Yasuhisa Hashimoto | 1988-10-25 |
| D297831 | Combined tape recorder and radio | Yoshitsugu Hirose, Osamu Akiyama, Satoshi Fukutome | 1988-09-27 |