Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7338701 | Laminated composite wooden material and method of manufacturing material | Minoru Masuda, Koji Murata | 2008-03-04 |
| 5103575 | Method for improving qualities of wood | Yoshinori Kobayashi, Yasushi Kanagawa | 1992-04-14 |
| 5075131 | Method for preservation treatment of wood | Nobuaki Hattori | 1991-12-24 |