Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263894 | Methods and apparatus for ventilating carriages | Haruo Hirakawa, Shinichiroo Ishikawa, Atsushi Ikio, Masakazu Matsumoto | 1993-11-23 |
| 5137490 | Ventilating equipment for railway rolling stock and operating method thereof | Shinichirou Ishikawa, Toshiharu Matsuda, Haruo Hirakawa, Atsushi Ikio, Masakazu Matsumoto | 1992-08-11 |
| 4802418 | Wheelset steering apparatus and method for the truck of railway vehicles | Isao Okamoto, Katsuyuki Terada, Hiromi Go, Michio Sebata, Hideo Takai | 1989-02-07 |
| 4746143 | Vibration control apparatus for vehicles | Isao Okamoto, Katsuyuki Terada, Hiromi Go, Michio Sebata, Hideo Takai | 1988-05-24 |
| 4489659 | Truss-type girder for supporting a movable body | Hideaki Kamohara, Minoru Imamura, Yuji Yoshitomi, Syuzo Uno, Kazuhiro Makino +2 more | 1984-12-25 |
| 4445569 | Scroll type laminated heat exchanger | Norihide Saho, Koji Koibuchi, Kenjiro Kasai | 1984-05-01 |
| 4425048 | Joint for framework structure | Hideaki Kamohara, Minoru Imamura, Yuji Yoshitomi, Syuzo Uno, Kazuhiro Makino +1 more | 1984-01-10 |