The Tsurumi-Seiki Co., Ltd.

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Float device
- Patent number 8,601,969
- Issue date Dec 10, 2013
- The Tsurumi Seiki Co., Ltd.
- Kazuhiro Watanabe
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Probe for measuring an electric conductivity
- Patent number D397628
- Issue date Sep 1, 1998
- The Tsurumi-Seiki Co., Ltd.
- Shigenori Suzuki
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Electric conductivity measurement circuit and probe
- Patent number 5,767,682
- Issue date Jun 16, 1998
- The Tsurumi-Seiki Co., Ltd.
- Michio Sekimoto
- G01 - MEASURING TESTING
Information Patent Grant
Device for measuring properties of underground water and method the...
- Patent number 5,189,909
- Issue date Mar 2, 1993
- The Tsurumi-Seiki Co., Ltd.
- Takayasu Oike
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
FLOAT DEVICE
- Publication number 20120204775
- Publication date Aug 16, 2012
- THE TSURUMI SEIKI CO., LTD.
- Kazuhiro Watanabe
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Trademarklast 30 trademarks