Takeshi Takahashi

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Work arm of work machine
- Patent number 11,225,770
- Issue date Jan 18, 2022
- Hitachi Construction Machinery Co., Ltd.
- Hiroshi Aoyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Arm for construction machine with upper ends of rear plate protrudi...
- Patent number 9,315,966
- Issue date Apr 19, 2016
- Hitachi Construction Machinery Co., Ltd.
- Makoto Sugaya
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Arm for construction machine
- Patent number 9,255,378
- Issue date Feb 9, 2016
- Hitachi Construction Machinery Co., Ltd.
- Makoto Sugaya
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Arm for construction machine
- Patent number 9,187,875
- Issue date Nov 17, 2015
- Hitachi Construction Machinery Co., Ltd.
- Takeshi Takahashi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Working arm for construction machine and method of producing the same
- Patent number 7,670,099
- Issue date Mar 2, 2010
- Hitachi Construction Machinery Co., Ltd.
- Toru Nakajima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Work Arm of Work Machine
- Publication number 20200190767
- Publication date Jun 18, 2020
- Hiroshi AOYAMA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ARM FOR CONSTRUCTION MACHINE
- Publication number 20140334906
- Publication date Nov 13, 2014
- Takeshi Takahashi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BOOM FOR CONSTRUCTION MACHINE
- Publication number 20140056677
- Publication date Feb 27, 2014
- Hitachi Construction Machinery Co., Ltd.
- Takeshi Takahashi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ARM FOR CONSTRUCTION MACHINE
- Publication number 20140010624
- Publication date Jan 9, 2014
- Hitachi Construction Machinery Co., Ltd.
- Makoto Sugaya
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ARM FOR CONSTRUCTION MACHINE
- Publication number 20130343854
- Publication date Dec 26, 2013
- Hitachi Construction Machinery Co., Ltd.
- Makoto Sugaya
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Working arm for construction machine and method of producing the same
- Publication number 20060201274
- Publication date Sep 14, 2006
- Toru Nakajima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING