Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7498070 | Optical information recording medium | Fumi Hara, Toru Fujii, Yuji Arai | 2009-03-03 |
| 7270864 | Optical information recording medium | Fumi Hara, Masashi Satoh, Toru Fujii, Yuji Arai | 2007-09-18 |