Mitsuhiro Sugiyama

Follow

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Coil spring manufacturing method and coil spring manufacturing device
- Patent number 11,065,641
- Issue date Jul 20, 2021
- NHK Spring Co., Ltd.
- Yoshimitsu Koyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Suspension coil spring
- Patent number 10,358,008
- Issue date Jul 23, 2019
- NHK Spring Co., Ltd.
- Kenji Yamamotoya
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Strut-type suspension and compression coil spring for suspension
- Patent number 9,713,946
- Issue date Jul 25, 2017
- NHK Spring Co., Ltd.
- Kenji Yamamotoya
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Suspension and compression coil spring for suspension
- Patent number 9,463,676
- Issue date Oct 11, 2016
- NHK Spring Co., Ltd.
- Kenji Yamamotoya
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for manufacturing a coil spring for vehicle suspension
- Patent number 8,533,954
- Issue date Sep 17, 2013
- NHK Spring Co., Ltd.
- Akira Tange
- C21 - METALLURGY OF IRON
Information Patent Grant
Coil spring for vehicle suspension and method for manufacturing the...
- Patent number 8,308,150
- Issue date Nov 13, 2012
- NHK Spring Co., Ltd.
- Akira Tange
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
COIL SPRING MANUFACTURING METHOD AND COIL SPRING MANUFACTURING DEVICE
- Publication number 20180361424
- Publication date Dec 20, 2018
- NHK Spring Co., Ltd.
- Yoshimitsu KOYAMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
SUSPENSION COIL SPRING
- Publication number 20160046164
- Publication date Feb 18, 2016
- NHK Spring Co., Ltd.
- Kenji YAMAMOTOYA
- B60 - VEHICLES IN GENERAL
Information Patent Application
STRUT-TYPE SUSPENSION AND COMPRESSION COIL SPRING FOR SUSPENSION
- Publication number 20150251514
- Publication date Sep 10, 2015
- NHK Spring Co., Ltd.
- Kenji YAMAMOTOYA
- B60 - VEHICLES IN GENERAL
Information Patent Application
SUSPENSION AND COMPRESSION COIL SPRING FOR SUSPENSION
- Publication number 20150231939
- Publication date Aug 20, 2015
- NHK Spring Co., Ltd.
- Kenji YAMAMOTOYA
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD FOR MANUFACTURING A COIL SPRING FOR VEHICLE SUSPENSION
- Publication number 20120055023
- Publication date Mar 8, 2012
- NHK Spring Co., Ltd.
- Akira TANGE
- C21 - METALLURGY OF IRON
Information Patent Application
COIL SPRING FOR VEHICLE SUSPENSION AND METHOD FOR MANUFACTURING THE...
- Publication number 20100320662
- Publication date Dec 23, 2010
- NHK Spring Co., Ltd.
- Akira TANGE
- C21 - METALLURGY OF IRON