Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546958 | Leaf spring | Akira Ohno, Yasushi Itakura, Shuji Hiromoto | 1985-10-15 |
| 4433833 | Apparatus for controlling the spring constant of a laminated leaf spring assembly | Takeyoshi Shinbori | 1984-02-28 |