Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091823 | Inverter device | Takatsugu Kanbara, Hiroshi Asabuki, Satoshi Ibori, Kengo Hasegawa, Kenji Nandou +4 more | 1992-02-25 |
| 4794775 | Method of producing a heat transfer tube for single-phase flow | Heikichi Kuwahara, Kenji Takahashi, Wataru Nakayama, Shigeo Sugimoto, Kiyoshi Oizumi | 1989-01-03 |
| 4715436 | Construction of a heat transfer wall of a heat transfer pipe | Kenji Takahashi, Heikichi Kuwahara, Wataru Nakayama, Kiyoshi Oizumi, Shigeo Sugimoto | 1987-12-29 |
| 4690211 | Heat transfer tube for single phase flow | Heikichi Kuwahara, Kenji Takahashi, Wataru Nakayama, Shigeo Sugimoto, Kiyoshi Oizumi | 1987-09-01 |
| 4653163 | Method for producing a heat transfer wall for vaporizing liquids | Heikichi Kuwahara, Kenji Takahashi, Wataru Nakayama, Shigeo Sugimoto, Yoshihiko Nakayama +4 more | 1987-03-31 |