Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11299184 | Railcar bogie including protective film and protective film-equipped plate spring | Takehiro Nishimura, Yousuke Tsumura, Katsuyuki Kawashima, Ikko Hanaki, Yuhei Tanaka | 2022-04-12 |
| 10723371 | Plate spring unit and railcar bogie | Yousuke Tsumura, Takehiro Nishimura, Tomohei Kobayashi, Go Matsubara | 2020-07-28 |
| 10703394 | Method of producing electrode-equipped plate spring of railcar bogie | Takehiro Nishimura, Yousuke Tsumura, Masayuki Mitsue, Teruhisa Nakaoka, Katsuyuki Kawashima +2 more | 2020-07-07 |
| 8464643 | Railcar bodyshell reinforcing method and railcar bodyshell | Tomonori Umebayashi, Atsuyuki Kubo, Hiroshi Sugiura | 2013-06-18 |
| 8424462 | Railcar bodyshell and method for manufacturing the same | Tomonori Umebayashi, Hiroshi Sugiura | 2013-04-23 |