Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7601417 | Recorded matter having countermeasure against forging | Hiroto Nakamura, Akio Owatari, Yasuko Hirano | 2009-10-13 |
| 7408630 | Recorded article with anti-counterfeit measures | Hiroto Nakamura, Akio Owatari, Yasuko Hirano | 2008-08-05 |