Tetsuo Masuyama

Follow

Person

Shimotsuga-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Piston ring
- Patent number 6,860,485
- Issue date Mar 1, 2005
- Nippon Piston Ring Co., Ltd.
- Tetsuo Masuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Synchronizer ring
- Patent number 6,261,389
- Issue date Jul 17, 2001
- Nippon Piston Ring Co., Ltd.
- Yoshikatsu Nakamura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Synchronizer ring
- Patent number 5,900,559
- Issue date May 4, 1999
- Nippon Piston Ring Co., Ltd.
- Yoshikatsu Nakamura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Synchronizer ring
- Patent number 5,861,565
- Issue date Jan 19, 1999
- Nippon Piston Ring Co., Ltd.
- Takao Omiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Inline type check valve
- Patent number 5,092,361
- Issue date Mar 3, 1992
- Nippon Piston Ring Co., Ltd.
- Tetsuo Masuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Piston ring
- Publication number 20030184023
- Publication date Oct 2, 2003
- Nippon Piston Ring Co., Ltd.
- Tetsuo Masuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...