Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611889 | Monitor and control for media manipulation | — | 2003-08-26 |
| 6344802 | Control system | Takeo Hashimoto, Hiroshi Watanabe | 2002-02-05 |
| 6335603 | Motor control circuit and control system using the same | Takeo Hashimoto, Hiroshi Watanabe | 2002-01-01 |
| 6309458 | Method for fabricating silicon thin film | Hitoshi Habuka, Shoji Akiyama | 2001-10-30 |
| 6245647 | Method for fabrication of thin film | Shoji Akiyama, Hitoshi Habuka | 2001-06-12 |
| 6235645 | Process for cleaning silicon semiconductor substrates | Hitoshi Habuka | 2001-05-22 |
| 6194691 | Heating furnace and manufacturing method therefor | Hitoshi Habuka | 2001-02-27 |
| 6124209 | Method for treating a surface of a silicon single crystal and a method for manufacturing a silicon single crystal thin film | Hitoshi Habuka | 2000-09-26 |
| 6008128 | Method for smoothing surface of silicon single crystal substrate | Hitoshi Habuka, Masatake Katayama | 1999-12-28 |
| 5885346 | Silicon semiconductor crystal and a method for manufacturing it | Hitoshi Habuka | 1999-03-23 |
| 4694456 | Information signal reproducing apparatus | Kazuyuki Morita | 1987-09-15 |
| 4674078 | Optical information reproducing apparatus with improved skew error control | Tadashi Motoyama | 1987-06-16 |
| 4513334 | Head positioning apparatus | — | 1985-04-23 |