Masatoshi Atsumi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic transmission for power tools
- Patent number 9,266,229
- Issue date Feb 23, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masatoshi Atsumi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Electric power tool
- Patent number 8,746,364
- Issue date Jun 10, 2014
- Panasonic Corporation
- Masatoshi Atsumi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Electric power tool
- Patent number 8,708,861
- Issue date Apr 29, 2014
- Panasonic Corporation
- Kenichirou Inagaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Speed-changing device
- Patent number 8,672,807
- Issue date Mar 18, 2014
- Panasonic Corporation
- Masatoshi Atsumi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric power tool
- Patent number 8,574,115
- Issue date Nov 5, 2013
- Panasonic Corporation
- Masatoshi Atsumi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Power tool having a main body and a battery pack detachably attache...
- Patent number 7,567,058
- Issue date Jul 28, 2009
- Matsushita Electric Works, Ltd.
- Hidenori Shimizu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC TRANSMISSION FOR POWER TOOLS
- Publication number 20150133255
- Publication date May 14, 2015
- Masatoshi Atsumi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
SPEED-CHANGING DEVICE
- Publication number 20140045653
- Publication date Feb 13, 2014
- PANASONIC CORPORATION
- Masatoshi ATSUMI
- B60 - VEHICLES IN GENERAL
Information Patent Application
Electric power tool
- Publication number 20120028753
- Publication date Feb 2, 2012
- Panasonic Electric Works Power Tools Co., Ltd.
- Masatoshi Atsumi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Electric power tool
- Publication number 20120010043
- Publication date Jan 12, 2012
- Panasonic Electric Works Power Tools Co., Ltd.
- Kenichirou Inagaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRIC POWER TOOL
- Publication number 20120006574
- Publication date Jan 12, 2012
- Panasonic Electric Works Power Tools Co., Ltd.
- Masatoshi ATSUMI
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Power tool
- Publication number 20060268504
- Publication date Nov 30, 2006
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Hidenori Shimizu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS