Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7960006 | Optical recording medium and recording film material | Hiroshi Shingai, Tatsuya Kato, Masanori Kosuda, Hideki Hirata, Hajime Utsunomiya | 2011-06-14 |
| 7943223 | Optical recording medium and recording film material | Hiroshi Shingai, Tatsuya Kato, Masanori Kosuda, Hideki Hirata, Jajime Utsunomiya | 2011-05-17 |