Issued Patents All Time
Showing 26–50 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7050893 | Method of detection of actual operating time of machinery deployed at construction sites, data collection and management system, and base station | Hiroshi Watanabe, Koichi Shibata, Hiroyuki Adachi, Toichi Hirata | 2006-05-23 |
| 7010403 | Construction machine management system, and construction machine | Hiroyuki Adachi, Toichi Hirata, Hiroshi Watanabe, Koichi Shibata, Hideki Komatsu | 2006-03-07 |
| 7002465 | Security system of construction machine | Hideki Komatsu, Hiroyuki Adachi, Kazuhiro Shibamori, Koichi Shibata, Itsuo Kondo +5 more | 2006-02-21 |
| 6998957 | Security system of construction machinery | Koichi Shibata, Kiyoshi Ono, Osamu Tomikawa, Hiroyuki Adachi, Hideo Karasawa +2 more | 2006-02-14 |
| 6907384 | Method and system for managing construction machine, and arithmetic processing apparatus | Hiroyuki Adachi, Toichi Hirata, Hiroshi Watanabe, Koichi Shibata, Hideki Komatsu +4 more | 2005-06-14 |
| 6898502 | System for changing function of work machine and base station | Hiroshi Watanabe, Koichi Shibata, Hiroyuki Adachi, Toichi Hirata, Hideki Komatsu | 2005-05-24 |
| 6832175 | Method for managing construction machine, and arithmetic processing apparatus | Hiroyuki Adachi, Toichi Hirata, Hiroshi Watanabe, Shuichi Miura, Koji Mitsuya +2 more | 2004-12-14 |
| 6810362 | Construction machine managing method and system, and arithmetic processing device | Hiroyuki Adachi, Toichi Hirata, Hiroshi Watanabe, Koichi Shibata, Hideki Komatsu | 2004-10-26 |
| 6728619 | Failure measure outputting method, output system, and output device | Hiroyuki Adachi, Toichi Hirata, Hiroshi Watanabe, Shuichi Miura, Koji Mitsuya +2 more | 2004-04-27 |
| 6691510 | Pipe breakage control valve device | Masao Kariya, Tsukasa Toyooka | 2004-02-17 |
| 6643582 | Work management method, management system and management apparatus suited to work sites | Hiroyuki Adachi, Toichi Hirata, Hiroshi Watanabe, Koichi Shibata, Hideki Komatsu | 2003-11-04 |
| 6634725 | Crawler | Wataru Idetsu, Akihiko Yamamoto, Yuji Yoshitomi, Akiomi Kono | 2003-10-21 |
| 6619037 | Hydraulic driving device of civil engineering and construction machinery | Tsukasa Toyooka, Toichi Hirata, Kouji Ishikawa, Masao Nishimura, Tsuyoshi Nakamura | 2003-09-16 |
| 6564480 | Working apparatus for construction machine | Sadahisa Tomita, Masakazu Haga, Ryohei Suzuki, Toshio Hasegawa, Koji Tahara | 2003-05-20 |
| 6449884 | Method and system for managing construction machine, and arithmetic processing apparatus | Hiroshi Watanabe, Koichi Shibata, Hiroyuki Adachi, Toichi Hirata, Hideki Komatsu | 2002-09-17 |
| 6409142 | Pipe breakage control valve device | Masao Kariya | 2002-06-25 |
| 6390572 | Crawler belt | Wataru Idetsu, Yoshiaki Sekiguchi, Kazuyoshi Hatano | 2002-05-21 |
| 6241212 | Hose rupture control valve unit | Tarou Takahashi, Tsukasa Toyooka | 2001-06-05 |
| 6220028 | Hydraulic drive system for hydraulic work vehicle | Kouji Ishikawa, Toichi Hirata, Tsukasa Toyooka, Tsuyoshi Nakamura, Yasuharu Gotou | 2001-04-24 |
| 6212886 | Hydraulic drive system and directional control valve apparatus in hydraulic machine | Toichi Hirata, Tsukasa Toyooka | 2001-04-10 |
| 6164069 | Hydraulic drive system for construction machine | Ei Takahashi | 2000-12-26 |
| 6161586 | Tournament oil path constituting apparatus | Toichi Hirata, Tsukasa Toyooka, Norio Onuma, Ikuo Inagaki, Masao Kashiwagi | 2000-12-19 |
| 6101456 | Output correcting method in control system, control system, and hydraulic pump control system | Youichi Kowatari, Toichi Hirata, Hidefumi Takegahara, Tsukasa Toyooka, Kouji Ishikawa +1 more | 2000-08-08 |
| 5974796 | Hydraulic circuit system for hydraulic working machine | Kouji Ishikawa, Tsukasa Toyooka, Tsuyoshi Nakamura | 1999-11-02 |
| 5940997 | Hydraulic circuit system for hydraulic working machine | Tsukasa Toyooka, Toichi Hirata, Kazunori Nakamura, Kouji Ishikawa, Tsuyoshi Nakamura | 1999-08-24 |