Masahiro Kumagai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Jig for driving closing cap for bolt installation hole
- Patent number 7,946,013
- Issue date May 24, 2011
- THK Co., Ltd
- Masahiro Kumagai
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Structure for closing a rail mounting hole
- Patent number 7,883,269
- Issue date Feb 8, 2011
- THK Co., Ltd
- Katsuya Iida
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
JIG FOR DRIVING CLOSING CAP FOR BOLT INSTALLATION HOLE
- Publication number 20090307888
- Publication date Dec 17, 2009
- THK Co., Ltd.
- Masahiro Kumagai
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Structure for Closing a Rail Mounting Hole
- Publication number 20090010577
- Publication date Jan 8, 2009
- THK CO., LTD.
- Katsuya Iida
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...