Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532034 | Optical disk, optical disk apparatus, and method for writing figures | Akemi Hirotsune, Yumiko Anzai | 2003-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532034 | Optical disk, optical disk apparatus, and method for writing figures | Akemi Hirotsune, Yumiko Anzai | 2003-03-11 |