Tobishima Corporation

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photo survey service system
- Patent number 7,023,468
- Issue date Apr 4, 2006
- Tobishima Corporation
- Hiroshi Chikahisa
- G01 - MEASURING TESTING
Information Patent Grant
Process for producing a concrete and a mortar
- Patent number 7,018,466
- Issue date Mar 28, 2006
- Tobishima Corporation
- Motoyuki Suzuki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Device and method for extracting a gas hydrate
- Patent number 6,817,427
- Issue date Nov 16, 2004
- Tobishima Corporation
- Katsuya Matsuo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for replacing cutters of tunnel-excavating machine, method f...
- Patent number 6,347,838
- Issue date Feb 19, 2002
- Mitsubishi Heavy Industries, Ltd.
- Tsunematsu Mukaidani
- E21 - EARTH DRILLING MINING
Information Patent Grant
Domed structures having retractable roofs
- Patent number 5,101,605
- Issue date Apr 7, 1992
- Tobishima Corporation
- Joe Masuyama
- E04 - BUILDING
Information Patent Grant
Domed structures having retractable roofs
- Patent number 5,058,332
- Issue date Oct 22, 1991
- Tobishima Corporation
- Joe Masuyama
- E04 - BUILDING
Information Patent Grant
Pile-framed structure
- Patent number 4,767,240
- Issue date Aug 30, 1988
- Tobishima Corporation
- Shigeaki Ohkawara
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Process for producing a concrete and a mortar
- Publication number 20050155524
- Publication date Jul 21, 2005
- MOTOYUKI SUZUKI
- Motoyuki Suzuki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Concrete admixture, mortar admixture and blended cement
- Publication number 20030183129
- Publication date Oct 2, 2003
- MOTOYUKI SUZUKI
- Motoyuki Suzuki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Device and method for extracting a gas hydrate
- Publication number 20030136585
- Publication date Jul 24, 2003
- TOBISHIMA CORPORATION & FUJI RESEARCH INSTITUTE CORP.
- Katsuya Matsuo
- E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks