Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551722 | X-ray target and apparatuses using the same | Jinpei Harada | 2009-06-23 |
| 6116887 | Foam molding equipment | Yuichi Yamada, Osamu Shimomura, Masaki Yonezawa, Hirozi Kamiya | 2000-09-12 |
| 5355355 | Electronic file apparatus capable of storing code data and image data into optical memory | Takenori Osanai | 1994-10-11 |
| 4785439 | Optical memory accessing and tracking apparatus with pickup and lens servoing during tracking | Hiroo Okada, Yoshiaki Ikeda | 1988-11-15 |
| 4718051 | Optical beam tracking system for use in optical information recording and/or reproducing apparatus | Jun Sakashita, Hiroo Okada | 1988-01-05 |
| 4710908 | Servo apparatus for compensating for warp and deflection deviations on optical discs | Tadashi Shimizu | 1987-12-01 |
| 4683560 | Microprocessor controlled focussing servo acquisition | Toyoaki Takeuchi, Hideyuki Kenjyo, Yoshiaki Ikeda, Masaharu Sakamoto | 1987-07-28 |
| 4674071 | Data recording area signal generating method and apparatus | Masuo Okumura | 1987-06-16 |
| 4644514 | Head drive control apparatus | Hiroo Okada, Masaharu Sakamoto | 1987-02-17 |
| 4611316 | Actuator operating center detecting circuit and optical disk apparatus with the detecting circuit | Toyoaki Takeuchi, Hideyuki Kenjyo, Yoshiaki Ikeda, Masaharu Sakamoto | 1986-09-09 |
| 4611317 | Optical disk apparatus | Toyoaki Takeuchi, Hideyuki Kenjyo, Yoshiaki Ikeda, Masaharu Sakamoto | 1986-09-09 |
| 4508450 | System for checking defects on a flat surface of an object | Masaharu Sakamoto | 1985-04-02 |
| 4505585 | System for detecting defects on an optical surface | Shoji Yoshikawa, Hiroshi Kodama, Kunio Yamamiya, Masaharu Sakamoto, Kiichi Kato | 1985-03-19 |
| 4499514 | Disc drive apparatus | Kunio Yamamiya, Hiroshi Kodama, Shoji Yoshikawa, Kiichi Kato, Masaharu Sakamoto | 1985-02-12 |
| 4495407 | System for focusing an optical head onto a flat surface | Hiroshi Kodama, Masaharu Sakamoto, Shoji Yoshikawa, Kunio Yamamiya, Kiichi Kato | 1985-01-22 |
| 4372504 | Magnetic record tape protective device for a tape cassette | Tsutomu Shibata, Kenji Kimura, Ken Satoh, Sinichi Saitou, Toshikazu Kato +1 more | 1983-02-08 |
| 4355750 | Double-capstan tape driving device | Sinichi Saitou, Toshikazu Kato, Kenji Kimura, Ken Satoh, Tsutomu Shibata +1 more | 1982-10-26 |
| 4352473 | Tape cassette | Ken Satoh, Seizo Watanabe, Sinichi Saitou, Toshikazu Kato, Tsutomu Shibata +1 more | 1982-10-05 |