Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773465 | Optical element | Sachio Murai, Naoki Uchida, Tomonori Kubo, Satoshi Yamada | 2004-08-10 |
| 6749514 | Game system and information storage medium | Jun Moriwaki, Hiroshi Watanabe | 2004-06-15 |
| 6713521 | Method of preparing rigid polyurethane foam and composition of rigid polyurethane foam | Takanori Chiba, Takuya Matsumoto, Keiji Ono | 2004-03-30 |