Yasutoshi Shimma

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Anjo-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric hammer drill
- Patent number 7,383,893
- Issue date Jun 10, 2008
- Makita Corporation
- Yasutoshi Shimma
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Power impact tool
- Patent number 7,322,427
- Issue date Jan 29, 2008
- Makita Corporation
- Yasutoshi Shimma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack with an improved cooling structure
- Patent number 6,566,005
- Issue date May 20, 2003
- Makita Corporation
- Yasutoshi Shimma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mode changing mechanism for use in a hammer drill
- Patent number 6,192,996
- Issue date Feb 27, 2001
- Makita Corporation
- Takahiro Sakaguchi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Bit mounting device
- Patent number 5,709,391
- Issue date Jan 20, 1998
- Makita Corporation
- Takuo Arakawa
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Electric hammer drill
- Publication number 20060032645
- Publication date Feb 16, 2006
- MAKITA CORPORATION
- Yasutoshi Shimma
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Power impact tool
- Publication number 20060011361
- Publication date Jan 19, 2006
- MAKITA CORPORATION
- Yasutoshi Shimma
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS