Seiji Hirohashi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Braking apparatus operated via resilient deformation of coned disk...
- Patent number 5,568,844
- Issue date Oct 29, 1996
- Kabushiki Kaisha SG
- Yuji Matsuki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spot welding machine
- Patent number 5,412,172
- Issue date May 2, 1995
- Kabushiki Kaisha SG
- Wataru Ichikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for checking a spot welded portion and spot welding machine
- Patent number 5,194,709
- Issue date Mar 16, 1993
- Kabushiki Kaisha SG
- Wataru Ichikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR