Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792613 | Optical information recording medium | Yoshikazu Takagishi, Atsuo Shimizu, Ryuichi Sunagawa, Keiichi Ida, Mitsuo Sekiguchi | 2004-09-14 |
| 6008616 | Pole change induction motor and control apparatus and method for the same | Kazutoshi Nagayama, Tadashi Ashikaga, Takayuki Mizuno, Kenji Yamada, Masato Mori +1 more | 1999-12-28 |
| 4982289 | Liquid cooled cathode ray tube apparatus for video projection system | Katsuaki Mitani | 1991-01-01 |
| 4626657 | Electric heating appliance | Shinichi Endo | 1986-12-02 |