Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6884487 | Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting method | Kazunori Ito, Makoto Harigaya, Takashi Shibaguchi, Hajime Yuzurihara, Nobuaki Onagi +3 more | 2005-04-26 |
| 6846611 | Phase-change optical recording medium | Hajime Yuzurihara, Kazunori Ito, Nobuaki Onagi, Masaru Shinkai, Hiroko Ohkura +1 more | 2005-01-25 |
| 6790592 | Phase-change optical information recording medium | Makoto Harigaya, Katsuhiko Tani, Noriyuki Iwata, Kazunori Ito, Hajime Yuzurihara +4 more | 2004-09-14 |
| 6770346 | Optical recording medium and recording method | Makoto Harigaya, Hiroshi Miura, Hiroko Okura, Miku Mizutani, Hajime Yuzurihara +4 more | 2004-08-03 |