Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404252 | Movable head position controlling device for magnetic recording and reproducing apparatuses | Masato Nagasawa | 1995-04-04 |
| 5395066 | Tape tension control for a magnetic recording and reproducing apparatus | Masato Nagasawa | 1995-03-07 |
| 5384676 | Magnetic head position controller in a magnetic recording and reproducing apparatus | Masato Nagasawa | 1995-01-24 |
| 5343342 | Magnetic recording and playback system with feedback control of a movable transducer head | Yuji Kanagawa, Masato Nagasawa, Kimihide Nakatsu, Toshiharu Miyago | 1994-08-30 |
| 5157563 | Magnetic recording and reproducing apparatus using an electromagnetic actuator for automatic tracking | Masato Nagasawa | 1992-10-20 |
| 4838897 | Reformer | Yoshiaki Amano, Hideo Ohyauchi | 1989-06-13 |
| 4693945 | Power generator containing fuel cell | Hideo Ohyauchi, Yoshiaki Amano | 1987-09-15 |
| 4554223 | Fuel cell apparatus | Tadao Kaneko, Yoshiaki Amano, Shigeo Sugimoto | 1985-11-19 |