Yoshiro Umezawa

Follow

Person

Gunma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Relief device for oil pump
- Patent number 8,763,634
- Issue date Jul 1, 2014
- Honda Motor Co., Ltd.
- Nobuyuki Akaishi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Relief valve structure
- Patent number 8,297,307
- Issue date Oct 30, 2012
- Yamada Manufacturing Co., Ltd.
- Yoshitaka Kurokawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC CONTROL APPARATUS AND HYDRAULIC CONTROL METHOD
- Publication number 20170284424
- Publication date Oct 5, 2017
- Yamada Manufacturing Co., Ltd.
- Yoshiaki KAWAURA
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
RELIEF DEVICE FOR OIL PUMP
- Publication number 20130014838
- Publication date Jan 17, 2013
- Yamada Manufacturing Co., Ltd.
- Nobuyuki AKAISHI
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Relief valve structure
- Publication number 20100078085
- Publication date Apr 1, 2010
- Yamada Manufacturing Co., Ltd.
- Yoshitaka Kurokawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Relief valve
- Publication number 20070246103
- Publication date Oct 25, 2007
- Yamada Manufacturing Co., Ltd.
- Kazuo Enzaka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...