Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909415 | Positioning control system which generates a servo-error signal in accordance with a difference between detection currents | Akira Minami, Shigeyoshi Tanaka, Hiromichi Kuwano, Kazuyuki Tamanoi | 1999-06-01 |
| 5892752 | Optical recording medium and reproducing method and apparatus having offset preformat data | — | 1999-04-06 |
| 5872754 | Data reproduction apparatus | Masakazu Taguchi, Yoshihide Fujita, Akihiro Itakura | 1999-02-16 |
| 5810907 | Continuous melting apparatus for low-melting point metal, improved crucible for such apparatus, and melting method using such apparatus | Tamio Okada, Hideo Yoshikawa, Tomohiro HATANAKA, Toshiaki Sano, Masato Yoshida +1 more | 1998-09-22 |
| 5812503 | Positioning control system having an optical beam and a servo-error signal generating circuit for accurately irradiating a desired position | Akira Minami, Shigeyoshi Tanaka, Hiromichi Kuwano, Kazuyuki Tamanoi | 1998-09-22 |
| 5812009 | Boost type equalizing circuit | — | 1998-09-22 |
| 5796693 | Data reproduction apparatus and data reproduction method | Masakazu Taguchi, Yoshihide Fujita, Akihiro Itakura | 1998-08-18 |
| 5740154 | Magnetooptical record medium having adjacent header signals | Haruhiko Izumi, Masakazu Taguchi, Yoshihide Fujita, Akihiro Itakura | 1998-04-14 |
| 5712332 | Method for absorbing heat radiation | Osamu Kaieda, Takashi Yodoshi, Ken Morita | 1998-01-27 |
| 5636191 | Positioning control system utilizing optical beam having servo-error signal generating circuit | Akira Minami, Shigeyoshi Tanaka, Hiromichi Kuwano, Kazuyuki Tamanoi | 1997-06-03 |
| 5566143 | Positioning control system utilizing optical beam | Akira Minami, Shigeyoshi Tanaka, Hiromichi Kuwano, Kazuyuki Tamanoi | 1996-10-15 |