Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7493112 | Construction machine management apparatus and construction machines management system | Hiroyuki Adachi, Toichi Hirata, Genroku Sugiyama, Hideo Karasawa, Koichi Shibata +3 more | 2009-02-17 |
| 7228125 | Construction machine management apparatus and construction machines management system | Hiroyuki Adachi, Toichi Hirata, Genroku Sugiyama, Hideo Karasawa, Koichi Shibata +3 more | 2007-06-05 |
| 7197872 | Hydraulic circuit in work vehicle | Hidetoshi Satake, Hiroshi Tsukui, Kazuhiro Ichimura | 2007-04-03 |
| 5917993 | Color image processing apparatus | Seiji Inuyama, Masanori Hiraoka | 1999-06-29 |
| 5307631 | Hydraulic control apparatus for hydraulic construction machine | Akira Tatsumi, Seiji Tamura, Mitsuo Kihara, Kazuhiro Ichimura, Shigetaka Nakamura | 1994-05-03 |
| 5285643 | Hydraulic drive system for civil-engineering and construction machine | Toichi Hirata | 1994-02-15 |
| 5285642 | Load sensing control system for hydraulic machine | Hiroshi Watanabe, Yasuo Tanaka, Eiki Izumi, Shigetaka Nakamura | 1994-02-15 |
| 5267440 | Hydraulic control system for construction machine | Kazunori Nakamura, Yusuke Kajita, Toichi Hirata, Genroku Sugiyama, Hideaki Tanaka +3 more | 1993-12-07 |
| 5177964 | Hydraulic drive traveling system | Hideaki Tanaka, Toichi Hirata, Genroku Sugiyama, Hitoshi Kagiwada, Tomohiko Yasuoka +2 more | 1993-01-12 |
| 5170625 | Control system for hydraulic pump | Hiroshi Watanabe, Eiki Izumi, Yasuo Tanaka, Shigetaka Nakamura | 1992-12-15 |
| 5056312 | Hydraulic drive system for construction machines | Toichi Hirata, Genroku Sugiyama, Yusuke Kajita, Yukio Aoyagi, Tomohiko Yasudi +5 more | 1991-10-15 |