Kazuyoshi Hanakawa

Follow

Person

Tsuchiura-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Drive control system for work machine
- Patent number 10,041,225
- Issue date Aug 7, 2018
- Hitachi Construction Machinery Co., Ltd.
- Mariko Mizuochi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Work machine
- Patent number 10,024,032
- Issue date Jul 17, 2018
- Hitachi Construction Machinery Co., Ltd.
- Mariko Mizuochi
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic circuit system for hydraulic excavator
- Patent number 8,387,289
- Issue date Mar 5, 2013
- Hitachi Construction Machinery Co., Ltd.
- Kazuyoshi Hanakawa
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
DRIVE CONTROL SYSTEM FOR WORK MACHINE
- Publication number 20170284056
- Publication date Oct 5, 2017
- Hitachi Construction Machinery Co., Ltd.
- Mariko MIZUOCHI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Work Machine
- Publication number 20160369480
- Publication date Dec 22, 2016
- Hitachi Construction Machinery Co., Ltd.
- Mariko MIZUOCHI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC CIRCUIT SYSTEM FOR HYDRAULIC EXCAVATOR
- Publication number 20110061755
- Publication date Mar 17, 2011
- Hitachi Construction Machinery Co., Ltd.
- Kazuyoshi Hanakawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING