Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6965556 | Optical information medium having high resolution beyond a diffraction limit and reading method | Takashi Kikukawa, Hiroshi Shingai, Tatsuya Kato | 2005-11-15 |
| 6898174 | Optical recording medium | Isamu Kuribayashi, Masanori Shibahara, Toshiki Aoi | 2005-05-24 |