Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295441 | Sliding door apparatus for platform | Yukio Uozumi | 1994-03-22 |
| 5285730 | Body structure for railway vehicle | Takashi Fujinawa, Hiroaki Kohira, Kazuya Inoue | 1994-02-15 |
| 5253589 | Folding door apparatus for a railway platform | Yukio Uozumi | 1993-10-19 |
| 4930256 | Method of smoothing the outer surface of a structure with sliding doors and a sliding door with a mechanism for smoothing the outer surface | Makoto Ogawara | 1990-06-05 |