Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819648 | Optical sample and method of writing and reading information on the same | Junji Tominaga, Hiroshi Fuji, Hiroyuki Katayama, Kenji Ohta | 2004-11-16 |
| 6741549 | Optical recording medium and optical recording and reproduction apparatus | Junji Tominaga, Jooho Kim, Hiroshi Fuji, Hiroyuki Katayama | 2004-05-25 |
| 6692894 | Photolithographic pattern-forming material and method for formation of fine pattern therwith | Takashi Nakano, Masashi Kuwahara, Junji Tominaga | 2004-02-17 |