Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5494418 | Pump casing made of sheet metal | Makoto Kobayashi, Masakazu Yamamoto, Yoshio Miyake, Hiromi Sakacho, Koji Isemoto +3 more | 1996-02-27 |
| 5401146 | Pump casing made of sheet metal | Makoto Kobayashi, Masakazu Yamamoto, Yoshio Miyake, Hiromi Sakacho, Koji Isemoto +3 more | 1995-03-28 |