Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660796 | Die for extrusion and method of designing die for extrusion | Akifumi Kido, Makoto Azukizawa | 2023-05-30 |
| 8689703 | Method for weld-joining attachment to outer panel of railway vehicle and car body side structure produced by the same | Hiroji Harada, Tomonori Sumikawa, Hiroshi Yonetani, Yasuhiro Tanaka, Eiichi Kato | 2014-04-08 |
| 8297202 | Body frame structure of railway vehicle | Tomonori Sumikawa, Hiroshi Yonetani, Eiichi Kato | 2012-10-30 |