Ryouhei Yamashita

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Tsuchiura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid work machine
- Patent number 10,458,097
- Issue date Oct 29, 2019
- Hitachi Construction Machinery Co., Ltd.
- Hiroaki Amano
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Construction machine
- Patent number 10,316,866
- Issue date Jun 11, 2019
- Hitachi Construction Machinery Co., Ltd.
- Hiroaki Amano
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic control system for construction machine
- Patent number 10,030,355
- Issue date Jul 24, 2018
- Hitachi Construction Machinery Co., Ltd.
- Ryouhei Yamashita
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic control device for working vehicle
- Patent number 9,175,456
- Issue date Nov 3, 2015
- Hitachi Construction Machinery Co., Ltd.
- Takeshi Kobayashi
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hybrid Work Machine
- Publication number 20180258613
- Publication date Sep 13, 2018
- Hiroaki AMANO
- B60 - VEHICLES IN GENERAL
Information Patent Application
CONSTRUCTION MACHINE
- Publication number 20180106278
- Publication date Apr 19, 2018
- Hitachi Construction Machinery Co., Ltd.
- Hiroaki AMANO
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC CONTROL SYSTEM FOR CONSTRUCTION MACHINE
- Publication number 20170183842
- Publication date Jun 29, 2017
- Hitachi Construction Machinery Co., Ltd.
- Ryouhei YAMASHITA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC CONTROL DEVICE FOR WORKING VEHICLE
- Publication number 20130125539
- Publication date May 23, 2013
- Hitachi Construction Machinery Co., Ltd.
- Takeshi Kobayashi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING