Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857365 | Method of manufacturing modified wood material | Shozo Hirao, Hiroaki Usui, Yoshihiro Ohta, Hiroyuki Ishikawa, Satoru Konishi | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857365 | Method of manufacturing modified wood material | Shozo Hirao, Hiroaki Usui, Yoshihiro Ohta, Hiroyuki Ishikawa, Satoru Konishi | 1989-08-15 |