Kiichi Furuya

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic leveling apparatus and leveling staff used with the same
- Patent number 5,742,378
- Issue date Apr 21, 1998
- Kabushiki Kaisha Topcon
- Kaoru Kumagai
- G01 - MEASURING TESTING
Information Patent Grant
Electronic leveling system, electronic leveling apparatus and level...
- Patent number 5,537,201
- Issue date Jul 16, 1996
- Kabushiki Kaisha Topcon
- Kaoru Kumagai
- G01 - MEASURING TESTING
Information Patent Grant
Electronic leveling apparatus having a leveling staff detection fun...
- Patent number 5,537,200
- Issue date Jul 16, 1996
- Kabushiki Kaisha Topcon
- Kaoru Kumagai
- G01 - MEASURING TESTING
Information Patent Grant
Electro-optical distance measuring apparatus
- Patent number 4,325,638
- Issue date Apr 20, 1982
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Harumi Takeda
- G01 - MEASURING TESTING