Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665432 | Process for treating timber | Shinji Yoshida, Akira Igarashi | 1997-09-09 |
| 5538998 | Halopropiolamide compound, production and use thereof | Yoshihiro Sugihara, Toshiro Yamashita, Sachio Shibata, Koichi Matsumura | 1996-07-23 |
| 5531981 | Method for treatment of termite | Akira Igarashi, Isao Minamida | 1996-07-02 |
| 5300520 | Wood preservative composition | Akira Igarashi, Koh Ogura, Masayuki Asai, Kazuya Okubo | 1994-04-05 |