Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404816 | Diagnostic device for exhaust gas aftertreatment device, diagnostic method for exhaust gas aftertreatment device, and diagnostic program for exhaust gas aftertreatment device | Ryo HAMAMOTO, Tomohiro Nakagawa, Kazuomi Endo | 2025-09-02 |
| 11066811 | Construction machinery, mobile information terminal for acquiring operation data from construction machinery, construction machinery information communication system, and program implemented on mobile information terminals | Yoichiro Yamazaki | 2021-07-20 |
| 8336305 | Hydraulic drive device and working machine with the same | Yuuji Matsuura, Naoki Sugano, Takao Nanjo, Hidekazu Oka | 2012-12-25 |
| 7849685 | Control device for hydraulic cylinder and operating machine including control device | Yoichiro Yamazaki, Nobuyoshi Hataoka | 2010-12-14 |
| 5967758 | Controlling device for controlling rotational speed of engine of hydraulic working machine | Kazuhiko Fujii, Hideki Kinugawa | 1999-10-19 |
| 4374346 | Voltage detection circuits for a-c power supplies | Takuichi Tsuchiya | 1983-02-15 |