Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916459 | Parabolic antenna dish | Hiroshi Kurosawa, Yoshio Asahino, Yoichi Wakabayashi | 1990-04-10 |
| 4898232 | Heat exchanger and process for producing the same | Masahiro Miyagi, Yoshio Nozawa, Yukio Kitayama | 1990-02-06 |
| 4860021 | Parabolic antenna | Hiroshi Kurosawa | 1989-08-22 |
| 4748837 | Method of forming spherical shells | Hiroshi Kurosawa, Yoshio Asahino | 1988-06-07 |
| 4746827 | Rotor for electric motor | Hideo Hashida, Yoshio Asahino, Nobuhiko Yokota | 1988-05-24 |
| 4698904 | Apparatus for assembling fins and tubes for heat exchangers | Yoshio Nozawa, Yukio Kitayama, Masahiro Miyagi, Katsuharu Uehara, Takahiko Deguchi +3 more | 1987-10-13 |
| 4689637 | Parabola antenna having increased mechanical strength | Hiroshi Kurosawa | 1987-08-25 |
| 4597171 | Tube-enlarging press for use in heat exchanger fabrication | Yukio Kitayama, Yoshio Nozawa, Masahiro Miyagi, Tadaaki Ayabe, Katsuharu Uehara | 1986-07-01 |
| 4593756 | Fin-and-tube type heat exchanger | Masaaki Itoh, Hiroshi Kogure, Kenji Iino, Yukio Kitayama, Masahiro Miyagi | 1986-06-10 |
| 4583675 | Method of production of a part formed with an opening | Katuo Matui, Tadaaki Ayabe | 1986-04-22 |
| 4509354 | Method of manufacturing fan guard | Akio Suzuki, Mitsuo Akiyama, Hideo Uzuhashi, Hitoshi Yamashita, Youji Sekine +2 more | 1985-04-09 |
| 4506423 | Method of producing a fluid pressure reducing device | Keiichi Nakamura, Hiroshi Asao, Kenichi Okada, Yoichi Wakabayashi | 1985-03-26 |
| 4351178 | Apparatus for bending a straight tube into a serpentine tube | Katuharu Uehara | 1982-09-28 |
| 4331280 | Method of jointing pipes by friction welding | Takao Terabayashi, Kenichi Waragai, Atsuya Kamada, Masaru Kobayashi, Yoiti Wakabayashi | 1982-05-25 |
| 4331286 | Method for pressure bonding metal members by utilizing eutectic reaction | Kunio Miyazaki, Takeo Tamamura, Tomio Iizuka, Hitoshi Suzuki | 1982-05-25 |