Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832456 | Liquid crystal disc memory with circular grooves for auto-focusing of write-in beam | Shunpei Yamazaki | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832456 | Liquid crystal disc memory with circular grooves for auto-focusing of write-in beam | Shunpei Yamazaki | 1989-05-23 |