Akiyoshi Okayasu

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vibratory compactor bearing lubrication
- Patent number 6,454,051
- Issue date Sep 24, 2002
- Mikasa Sangyo Co., Ltd.
- Akiyoshi Okayasu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING