Yoshio Hirooka

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Inuyama-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fastening tool
- Patent number 8,539,656
- Issue date Sep 24, 2013
- Aoyama Seisakusho Co., Ltd.
- Keigo Katou
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Fastening method and fastening tool
- Patent number 8,533,931
- Issue date Sep 17, 2013
- Aoyama Seisakusho Co., Ltd.
- Keigo Katou
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
FASTENING TOOL
- Publication number 20120011969
- Publication date Jan 19, 2012
- Aoyama Seisakusho Co., Ltd.
- Keigo Katou
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
FASTENING METHOD AND FASTENING TOOL
- Publication number 20080148545
- Publication date Jun 26, 2008
- Aoyama Seisakusho Co., Ltd.
- Keigo Katou
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS