Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860272 | Erroneous track jump restoration apparatus for optical record disc player | Jun Inagawa, Takeshi Inagaki, Toshihiko Kaneshige, Yasuhiro Hayashi, Tadashi Kojima | 1989-08-22 |