Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652929 | Recording medium | Yuji Kondo | 2003-11-25 |
| 6521323 | Recording medium | Mamoru Sakaki, Eiichi Suzuki, Masato Katayama, Yutaka Kurabayashi, Akio Kashiwazaki +3 more | 2003-02-18 |