Toshihiro Kumagai

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Tajimi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tube fitting
- Patent number 5,551,735
- Issue date Sep 3, 1996
- Tokai Rubber Industries, Ltd.
- Akira Takayanagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Quick connector
- Patent number 5,378,024
- Issue date Jan 3, 1995
- Tokai Rubber Industries, Ltd.
- Toshihiro Kumagai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Quick connector
- Patent number 5,320,390
- Issue date Jun 14, 1994
- Tokai Rubber Industries, Ltd.
- Tsutomu Kodama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...