Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038391 | Vortex blower | Shizu Ishikawa, Satoshi Takeda | 2011-10-18 |
| 5697152 | Method of manufacturing an impeller | Susumu Yamazaki, Eiichi Ito, Masayuki Fujio, Hajime Fujita, Kazuo Kobayashi +9 more | 1997-12-16 |
| 5628615 | Vortex flow blower and vane wheel therefor | Masayuki Fujio, Takashi Watanabe, Susumu Yamazaki, Fumiaki Ishida | 1997-05-13 |
| 5600886 | Method of making vortex flow blower and vane wheel therefor | Masayuki Fujio, Takashi Watanabe, Susumu Yamazaki, Fumiaki Ishida | 1997-02-11 |
| 5536139 | Vortex flow blower having blades each formed by curved surface | Susumu Yamazaki, Eiichi Ito, Masayuki Fujio, Hajime Fujita, Kazuo Kobayashi +9 more | 1996-07-16 |
| 5487639 | Vortex flow blower and vane wheel therefor | Masayuki Fujio, Takashi Watanabe, Susumu Yamazaki, Fumiaki Ishida | 1996-01-30 |
| 5395210 | Vortex flow blower having blades each formed by curved surface and method of manufacturing the same | Susumu Yamazaki, Eiichi Ito, Masayuki Fujio, Hajime Fujita, Kazuo Kobayashi +9 more | 1995-03-07 |
| 5281083 | Vortex flow blower | Eiichi Ito, Susumu Yamazaki, Masayuki Fujio, Toshiharu Yoshidomi, Kazuo Kobayashi | 1994-01-25 |
| 5091823 | Inverter device | Takatsugu Kanbara, Satoshi Ibori, Kengo Hasegawa, Kenji Nandou, Takehiko Yanagida +4 more | 1992-02-25 |
| 4563126 | Casing of blower and ventilating fan utilizing the casing | Kazuo Kobayashi, Seijiro Asano, Mituo Nakamura, Daijiro Ida, Hiromoto Ashiwara | 1986-01-07 |