Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691841 | Shock absorber with leveling function | Koji Otake, Osamu Miyatani, Yukio Hayakawa, Kiyoshi Nakahara | 2004-02-17 |
| 6615961 | Seal construction of shock absorber with leveling function | Satoshi Komatsu, Yukio Hayakawa, Kiyoshi Nakahara | 2003-09-09 |
| 5542754 | Brake system in electric vehicle | Yasushi Aoki, Iwao Nakamura | 1996-08-06 |