Koji Sekiguchi

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Komae, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic viscosity measuring apparatus with rotor automatically de...
- Patent number 5,821,407
- Issue date Oct 13, 1998
- Toki Sangyo Co., Ltd.
- Koji Sekiguchi
- G01 - MEASURING TESTING
Information Patent Grant
Spring relaxation method and rotary viscometer for measuring rheolo...
- Patent number 5,777,212
- Issue date Jul 7, 1998
- Toki Sangyo Co., Ltd.
- Koji Sekiguchi
- G01 - MEASURING TESTING
Information Patent Grant
Rotary viscosimeter
- Patent number 5,287,732
- Issue date Feb 22, 1994
- Toki Sangyo Co., Ltd.
- Koji Sekiguchi
- G01 - MEASURING TESTING
Information Patent Grant
Rotary viscosimeter having pivot protection apparatus
- Patent number 5,201,214
- Issue date Apr 13, 1993
- Toki Sangyo Co., Ltd.
- Koji Sekiguchi
- G01 - MEASURING TESTING