Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612126 | Ice making machine | Masaaki Kawasumi, Shinichi Nagasawa, Chiyoshi Toya, Shinsaku Hayakawa | 2003-09-02 |
| 6502416 | Automatic ice maker of the open-cell type | Masaaki Kawasumi, Shinichi Nagasawa, Chiyoshi Toya, Shinsaku Hayakawa, Masaru Wada +1 more | 2003-01-07 |
| 6453696 | Automatic ice maker of the open-cell type | Masaaki Kawasumi, Shinichi Nagasawa, Chiyoshi Toya, Shinsaku Hayakawa | 2002-09-24 |