Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958308 | Cooling tower | Osamu Goto, Katsutoshi Shibata | 1999-09-28 |
| 5503493 | Joint structure for synthetic resin structural members | Kanji Kato, Kozo Ando, Hiroshi Oya, Akira Hamamoto, Mitsuo Kobayashi +3 more | 1996-04-02 |
| 5054197 | Method for joining synthetic resin structural members | Kanji Kato, Akira Hamamoto, Hiroshi Oya, Kozo Ando, Kazuo Namaritani +2 more | 1991-10-08 |