Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809854 | Image display medium and image forming device | Yasuo Yamamoto, Kiyoshi Shigehiro, Yoshinori Machida, Takeshi Matsunaga | 2004-10-26 |
| 6683146 | Heterogeneous polymerization catalyst, process for producing acrylic polymer, and acrylic polymer | Yoshihiro Inaba | 2004-01-27 |