Kazumi Tanaka

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Hitachinaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power tool having off-lock member
- Patent number 8,827,004
- Issue date Sep 9, 2014
- Hitachi Koki Co., Ltd.
- Nobuhito Hosokawa
- B24 - GRINDING POLISHING
Information Patent Grant
Power tool
- Patent number 8,686,675
- Issue date Apr 1, 2014
- Hitachi Koki Co., Ltd.
- Yoshikazu Kawano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Grinder having mechanism for regulating rotation of wheel guard
- Patent number 8,550,885
- Issue date Oct 8, 2013
- Hitachi Koki Co., Ltd.
- Kazumi Tanaka
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Power Tool Having Off-Lock Member
- Publication number 20110203826
- Publication date Aug 25, 2011
- Hitachi Koki Co., Ltd
- Nobuhito Hosokawa
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
Grinder Having Mechanism for Regulating Rotation of Wheel Guard
- Publication number 20110151757
- Publication date Jun 23, 2011
- Hitachi Koki Co., Ltd
- Kazumi Tanaka
- B24 - GRINDING POLISHING
Information Patent Application
POWER TOOL
- Publication number 20110148332
- Publication date Jun 23, 2011
- Hitachi Koki Co., Ltd.
- Yoshikazu KAWANO
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS