Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583102 | Optical disc and method of manufacturing | Tooru Tamura, Akio Itoh, Masaaki Sunohara, Shunsuke Matsuda | 1986-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583102 | Optical disc and method of manufacturing | Tooru Tamura, Akio Itoh, Masaaki Sunohara, Shunsuke Matsuda | 1986-04-15 |