Eri HIRAYAMA

Follow

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for thermally treating ring-shaped member
- Patent number 10,508,318
- Issue date Dec 17, 2019
- NTN Corporation
- Eri Hirayama
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR THERMALLY TREATING RING-SHAPED MEMBER
- Publication number 20160230244
- Publication date Aug 11, 2016
- NTN Corporation
- Eri HIRAYAMA
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT TREATMENT METHOD FOR RING-SHAPED MEMBER AND HEAT TREATMENT EQU...
- Publication number 20160230243
- Publication date Aug 11, 2016
- NTN CORPORATION
- Tsuneaki HIRAOKA
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT TREATMENT METHOD FOR RING-SHAPED MEMBER AND HEAT TREATMENT EQU...
- Publication number 20160208353
- Publication date Jul 21, 2016
- NTN Corporation
- Tsuneaki HIRAOKA
- C21 - METALLURGY OF IRON