Yoneaki Takahashi

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic drive system
- Patent number 5,168,705
- Issue date Dec 8, 1992
- Hitachi Construction Machinery Co., Ltd.
- Toichi Hirata
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Control valve
- Patent number 4,836,245
- Issue date Jun 6, 1989
- Kayaba Industry Co., Ltd.
- Yoneaki Takahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...