Haga; Masakazu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Haga; Masakazu.The latest application filed is for "working apparatus for construction machine".

Company Profile

0.18.0

Haga; Masakazu - Niihari-gun JP
Haga; Masakazu - Ibaraki-ken JP
Haga; Masakazu - Niihara-gun JP
Haga; Masakazu - Ibaraki JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Working apparatus for construction machine Grant 6,564,480 - Tomita , et al. May 20, 2	2003-05-20
Device for controlling limited-area excavation with construction machine Grant 6,275,757 - Watanabe , et al. August 14, 2	2001-08-14
Front control system, area setting method and control panel for construction machine Grant 6,169,948 - Fujishima , et al. January 2, 2	2001-01-02
Slope excavation controller of hydraulic shovel, target slope setting device and slope excavation forming method Grant 6,076,029 - Watanabe , et al. June 13, 2	2000-06-13
Front control system for construction machine Grant 5,968,104 - Egawa , et al. October 19, 1	1999-10-19
Excavation area setting system for area limiting excavation control in construction machines Grant 5,960,378 - Watanabe , et al. September 28, 1	1999-09-28
Interference preventing system for construction machine Grant 5,957,989 - Egawa , et al. September 28, 1	1999-09-28
Locus control system for construction machines Grant 5,918,527 - Haga , et al. July 6, 1	1999-07-06
Front control system for construction machine and oil temperature indicator Grant 5,887,365 - Fujishima , et al. March 30, 1	1999-03-30
Region limiting excavation control system for construction machine Grant 5,835,874 - Hirata , et al. November 10, 1	1998-11-10
Work area limitation control system for construction machine Grant 5,822,891 - Fujishima , et al. October 20, 1	1998-10-20
Area limiting excavation control system for construction machines Grant 5,752,333 - Nakagawa , et al. May 19, 1	1998-05-19
Area limiting excavation control system for construction machine Grant 5,735,065 - Yamagata , et al. April 7, 1	1998-04-07
Region limiting excavation control system for construction machine Grant 5,701,691 - Watanabe , et al. December 30, 1	1997-12-30
Hydraulic control system for construction machine Grant 5,267,440 - Nakamura , et al. December 7, 1	1993-12-07
Hydraulic drive system for construction machine Grant 5,155,996 - Tatsumi , et al. October 20, 1	1992-10-20
Hydraulic drive system for civil engineering and construction machine Grant 5,062,350 - Tanaka , et al. November 5, 1	1991-11-05
Control system for hydraulically-operated construction machinery Grant 4,697,418 - Okabe , et al. October 6, 1	1987-10-06

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