Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341355 | Multibeam optical pickup and servo method thereof | Hiroshi Gotoh, Ikuo Maeda, Tatsuaki Sakurai | 1994-08-23 |
| 5326678 | High dielectric polymeric optical recording medium | Akio Kojima, Takeo Yamaguchi, Masao Yoshikawa, Kaoru Teramura | 1994-07-05 |