Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791937 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Shinichi Tanaka | 2004-09-14 |
| 6682650 | Zeolite catalyst carrier and hydrogenation catalyst using same | Kosaku Honna, Yasuhiro Araki, Yasuo Miki | 2004-01-27 |