Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685876 | Method for automatically controlling hydraulic opener | Tarumi Murata, Toshiya Kitagawa | 2004-02-03 |
| 4922872 | Engine brake system | Akira Hasegawa, Hiroshi Nojima, Mitsuhiro Murata | 1990-05-08 |