Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794775 | Method of producing a heat transfer tube for single-phase flow | Heikichi Kuwahara, Kenji Takahashi, Takehiko Yanagida, Wataru Nakayama, Shigeo Sugimoto | 1989-01-03 |
| 4715436 | Construction of a heat transfer wall of a heat transfer pipe | Kenji Takahashi, Heikichi Kuwahara, Takehiko Yanagida, Wataru Nakayama, Shigeo Sugimoto | 1987-12-29 |
| 4690211 | Heat transfer tube for single phase flow | Heikichi Kuwahara, Kenji Takahashi, Takehiko Yanagida, Wataru Nakayama, Shigeo Sugimoto | 1987-09-01 |
| 4678029 | Evaporating heat transfer wall | Toshi Sasaki, Hiromichi Yoshida, Shigeho Fukuda, Kimio Kakizaki, Wataru Nakayama +3 more | 1987-07-07 |
| 4658892 | Heat-transfer tubes with grooved inner surface | Yoshihiro Shinohara, Yasuhiko Itoh, Makoto Hori | 1987-04-21 |
| 4653163 | Method for producing a heat transfer wall for vaporizing liquids | Heikichi Kuwahara, Kenji Takahashi, Takehiko Yanagida, Wataru Nakayama, Shigeo Sugimoto +4 more | 1987-03-31 |