Tetsuya Yokoyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tightening tool
- Patent number 9,956,673
- Issue date May 1, 2018
- Tohnichi MFG. Co., Ltd.
- Tetsuya Yokoyama
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Angle wrench and rotation angle-measuring device
- Patent number 9,770,816
- Issue date Sep 26, 2017
- Tohnichi MFG. Co., Ltd.
- Tetsuya Yokoyama
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Torque tool device
- Patent number 8,485,049
- Issue date Jul 16, 2013
- Tohnichi MFG. Co., Ltd.
- Tetsuya Yokoyama
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
TIGHTENING TOOL
- Publication number 20160279770
- Publication date Sep 29, 2016
- TOHNICHI MFG. CO., LTD
- Tetsuya YOKOYAMA
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ANGLE WRENCH AND ROTATION ANGLE-MEASURING DEVICE
- Publication number 20150190911
- Publication date Jul 9, 2015
- TOHNICHI MFG CO., LTD.
- Tetsuya Yokoyama
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
TORQUE TOOL DEVICE
- Publication number 20100170369
- Publication date Jul 8, 2010
- TOHNICHI MFG. CO., LTD
- Tetsuya Yokoyama
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
TORQUE TOOL DEVICE
- Publication number 20100170370
- Publication date Jul 8, 2010
- TOHNICHI MFG. CO., LTD
- Tetsuya Yokoyama
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS