Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |