Junji YAMAMOTO

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Construction machine
- Patent number 12,152,374
- Issue date Nov 26, 2024
- Hitachi Construction Machinery Co., Ltd.
- Tsutomu Udagawa
- G07 - CHECKING-DEVICES
Information Patent Grant
Construction machine
- Patent number 12,077,944
- Issue date Sep 3, 2024
- Hitachi Construction Machinery Co., Ltd.
- Tsutomu Udagawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Air filter deterioration determination device of construction machine
- Patent number 11,933,025
- Issue date Mar 19, 2024
- Hitachi Construction Machinery Co., Ltd.
- Junji Yamamoto
- G01 - MEASURING TESTING
Information Patent Grant
Hydraulic working machine
- Patent number 9,399,856
- Issue date Jul 26, 2016
- Hitachi Construction Machinery Co., Ltd.
- Kazuo Fujishima
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Construction Machine
- Publication number 20220298755
- Publication date Sep 22, 2022
- Hitachi Construction Machinery Co., Ltd.
- Tsutomu UDAGAWA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CONSTRUCTION MACHINE
- Publication number 20210301502
- Publication date Sep 30, 2021
- Tsutomu UDAGAWA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
HYDRAULIC WORKING MACHINE
- Publication number 20140020375
- Publication date Jan 23, 2014
- Hitachi Construction Machinery Co., Ltd.
- Kazuo Fujishima
- B60 - VEHICLES IN GENERAL