Katsuyuki Maida

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Monbetsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oil recovery method and oil recovery apparatus
- Patent number 6,540,925
- Issue date Apr 1, 2003
- Nishimuragumi Co., Ltd.
- Shinjiro Takahashi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Oil recovery method and oil recovery apparatus
- Publication number 20010037983
- Publication date Nov 8, 2001
- Shinjiro Takahashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL