Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8540220 | Air spring for vehicle and railway truck for vehicle | Takayuki Sawa, Hideki Kitada, Hirokazu Haraguchi | 2013-09-24 |
| 6761945 | Electrolyte tank and manufacturing method thereof | Takefumi Itou, Toshihiko Takiguchi, Nobuyuki Tokuda | 2004-07-13 |
| 5908884 | Radiation shielding material and producing method thereof | Toshio Kawamura, Mitsunori Kobayashi | 1999-06-01 |