Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328662 | Platform gate door device | Toshiharu Amazawa, Katsuyoshi Kurisaki | 2008-02-12 |
| 5258586 | Elevator control system with image pickups in hall waiting areas and elevator cars | Masato Suzuki, Masachika Yamazaki, Hiromi Inaba, Kiyoshi Nakamura, Yoshio Sakai +3 more | 1993-11-02 |
| 5182776 | Image processing apparatus having apparatus for correcting the image processing | Masato Suzuki, Hiromi Inaba, Hiroshi Takenaga, Masachika Yamazaki, Naoto Oonuma +4 more | 1993-01-26 |
| 4799161 | Control apparatus for maintaining traction in electric rolling stock | Tetsuji Hirotsu, Kiyoshi Nakamura, Hiroshi Yamaguchi, Eiji Kozu | 1989-01-17 |