Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5010538 | Focus servo apparatus | Masayasu Satoh | 1991-04-23 |
| 4989190 | Apparatus for seeking a track of an optical disk in which information is recorded | Shigeru Kuroe, Masayasu Sato | 1991-01-29 |
| 4958335 | Optical head assembly with a minimum of inertia and feasible for high high-speed access | Hiroshi Masaki, Isamu Nose | 1990-09-18 |