Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500259 | Artificial granite solid material | Yoshikazu Kubota, Hiroshi Otsu, Takashi Kamiya | 1996-03-19 |
| 5338584 | Artificial granite solid material | Yoshikazu Kubota, Hiroshi Otsu, Takashi Kamiya | 1994-08-16 |
| 4806206 | Process for preparing ceramic molding | Shinichiro Katsuta, Takeo Wada | 1989-02-21 |