Yoshio Kameyama

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Souja, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical seal and method of forming a sliding surface thereof
- Patent number 4,444,399
- Issue date Apr 24, 1984
- Eagle Industry Co., Ltd.
- Tadamasa Yanai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Mechanical seal and method of forming a sliding surface thereof
- Patent number 4,420,162
- Issue date Dec 13, 1983
- Eagle Industry Co., Ltd.
- Tadamasa Yanai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...