Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157138 | Fiber board | Kenji Ohnishi, Masayuki Okuzawa, Yuzo Okudaira, Hideyuki Ando, Kazunori Umeoka +1 more | 2007-01-02 |
| 7045027 | Method of producing a fiber board | Masayuki Okuzawa, Kenji Ohnishi, Yuzo Okudaira, Hideyuki Ando, Kazunori Umeoka +2 more | 2006-05-16 |