Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799161 | Control apparatus for maintaining traction in electric rolling stock | Kiyoshi Nakamura, Syoji Kasai, Hiroshi Yamaguchi, Eiji Kozu | 1989-01-17 |
| 4776283 | Truck for railway vehicle | Takao Shozi, Isao Okamoto, Hideo Takai, Motomi Hiraishi, Toshihiko Sunaseki +1 more | 1988-10-11 |
| 4701682 | Control system for maintaining traction of rolling stock | Hisakatsu Kiwaki, Kiyoshi Nakamura, Hiroshi Narita, Syozi Kasai, Akira Kimura +1 more | 1987-10-20 |