Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584684 | Man-powered braking apparatus | Naoto Shibui, Fumikage Yamanaka, Satoru Masuda | 2009-09-08 |
| 7552663 | Parking brake apparatus | Fumikage Yamanaka, Satoru Masuda, Hiroshi Tsukamoto | 2009-06-30 |