Mitsuru Hirai

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Pipe joint
- Patent number 6,505,866
- Issue date Jan 14, 2003
- Tokyo Gas Co., Ltd.
- Yoshitaka Nakamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...