Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747921 | Apparatus for driving an objective lens utilizing flexible arms and pivotability mechanisms | Kanji Wakabayashi, Hitoshi Fujii, Hiroshi Yamamoto, Masanari Mohri, Takayuki Kojima +1 more | 2004-06-08 |
| 5920537 | Correction element of lower light intensity around an optical axis of an optical head with a plurality of focal points | Yoshiaki Komma, Sadao Mizuno, Hideki Hayashi | 1999-07-06 |
| 5912868 | Optical head for reproducing data from first and second optical disks | Hideki Hayashi, Sadao Mizuno, Noboru Ito, Yoshiaki Komma | 1999-06-15 |
| 5754512 | Correction elements to lower light intensity around an optical axis of an optical head with a plurality of focal points | Yoshiaki Komma, Sadao Mizuno, Hideki Hayashi | 1998-05-19 |
| 5703856 | Optical head and optical data recording and reproducing apparatus having the same | Hideki Hayashi, Sadao Mizuno, Noboru Ito, Yoshiaki Komma | 1997-12-30 |
| 5416640 | Objective actuator | Yasumasa Shibata, Takao Hayashi, Kazuhiko Fujikawa | 1995-05-16 |