Hirokazu Hasegawa

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal gasket
- Patent number 6,113,110
- Issue date Sep 5, 2000
- Nippon Reinz Co., Ltd.
- Hirokazu Hasegawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal gasket
- Patent number 6,105,971
- Issue date Aug 22, 2000
- Nippon Reinz Co., Ltd.
- Hirokazu Hasegawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...