Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467510 | Pipe formed by bending rolls | Michio Yamashita, Yoshiharu Daikuzono, Singo Emi, Nobuo Tomizawa | 2002-10-22 |
| 6366409 | Light pipe unit, plane light source unit and liquid-crystal display device | Seiji Umemoto, Toshihiro Ariyoshi, Takao Suzuki | 2002-04-02 |
| 6339946 | Pipe forming apparatus and method | Michio Yamashita, Yoshiharu Daikuzono, Shingo Emi, Nobuo Tomizawa | 2002-01-22 |