Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819220 | Optical information recording and reproducing apparatus | Tasuhiro Miyazaki, Hiroo Okada, Toshio Tsurukawa | 1989-04-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819220 | Optical information recording and reproducing apparatus | Tasuhiro Miyazaki, Hiroo Okada, Toshio Tsurukawa | 1989-04-04 |