Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591214 | Driving motor controlling device of construction machine | Nobuaki Shimizu, Masahiro Tsunemi, Hitoshi Yamaguchi | 2009-09-22 |
| 7361118 | Gear mechanism and reduction planetary gear | Masataka Kojima, Masahiro Tsunemi, Hidekazu Okufuji | 2008-04-22 |