Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7735219 | Method for machining a board | Toru Fujioka, Hideyuki Andou, Yuzo Okudaira | 2010-06-15 |
| 7157138 | Fiber board | Kenji Ohnishi, Masayuki Okuzawa, Yuzo Okudaira, Hideyuki Ando, Ryo Sugawara +1 more | 2007-01-02 |
| 7045027 | Method of producing a fiber board | Masayuki Okuzawa, Kenji Ohnishi, Yuzo Okudaira, Hideyuki Ando, Bunkai Ryu +2 more | 2006-05-16 |
| 5304415 | Sound absorptive material | Yoshitaka Kurihara, Yuzo Okudaira, Hideyuki Ando, Wakio Yamada, Takashi Nakai | 1994-04-19 |