Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699606 | Sanitary ware and process for producing the same | Mitsuyoshi Machida, Koichi Hayashi, Hirotaka Ishibashi, Tomoyasu Ichiki, Masami Ando +5 more | 2004-03-02 |
| 6548162 | Sanitary ware and process for producing the same | Mitsuyoshi Machida, Koichi Hayashi, Hirotaka Ishibashi, Tomoyasu Ichiki, Masami Ando +5 more | 2003-04-15 |
| 6514622 | Sanitary earthen products | Makoto Hayakawa, Koichi Hayashi, Masami Ando, Tomoyasu Ichiki, Hirotaka Ishibashi +1 more | 2003-02-04 |