Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6779577 | Building boards, manufacturing apparatus and prefoamed plastics | Tomoyoshi Yabe | 2004-08-24 |
| 6773540 | Particle board and method of making the same | — | 2004-08-10 |
| 6740963 | Optical module | Shinichi Takagi | 2004-05-25 |