Masateru Niimura

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Ohmorinishi, Ohta-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semisubmersible building
- Patent number 5,379,559
- Issue date Jan 10, 1995
- Masateru Niimura
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Underwater tunnel and an underwater mooring apparatus to moor the u...
- Patent number 5,322,390
- Issue date Jun 21, 1994
- Masateru Niimura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Floating wave absorber
- Patent number 5,294,211
- Issue date Mar 15, 1994
- Masateru Niimura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Underwater building and constructing method thereof
- Patent number 5,049,004
- Issue date Sep 17, 1991
- Masateru Niimura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Flooring apparatus for pool or the like
- Patent number 5,025,512
- Issue date Jun 25, 1991
- Masateru Niimura
- E04 - BUILDING
Information Patent Grant
Floor-level adjusting device for a pool
- Patent number 4,937,896
- Issue date Jul 3, 1990
- Masateru Niimura
- E04 - BUILDING
Information Patent Grant
Floor-level adjusting device for a pool
- Patent number 4,831,672
- Issue date May 23, 1989
- Masateru Niimura
- E04 - BUILDING