Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163880 | Heat exchanger | Naoki Shikazono, Tsunehito Wake | 2015-10-20 |
| 8266900 | Heat recovery system | Naoki Shikazono, Koji Matsuoka, Isamu Kandori, Tsunehito Wake | 2012-09-18 |
| 6868696 | Evaporator | — | 2005-03-22 |
| 5242268 | Pump impeller | Tetsuo Fukazawa, Kenkichi Kamata | 1993-09-07 |
| 5030596 | Sintered article of diamond and method for production thereof | Shoichi Kume, Haruo Yoshida, Kazutaka Suzuki, Yoshio Tasaki, Masamitu Ishikawa +1 more | 1991-07-09 |
| 4902652 | Method for production of a sintered article of diamond | Shoichi Kume, Haruo Yoshida, Kazutaka Suzuki, Yoshio Tasaki, Masamitu Ishikawa +1 more | 1990-02-20 |
| 4796694 | Cooling fin for heat exchanger | Eizo Suyama, Masaru Yokoyama, Takeshi Yoshimura | 1989-01-10 |
| 4621687 | Flat tube heat exchanger having corrugated fins with louvers | Koji Homma | 1986-11-11 |