Masao Hamada

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Hitachinaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Nailer
- Patent number 7,431,187
- Issue date Oct 7, 2008
- Hitachi Koki, Co., Ltd.
- Sueji Tachihara
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Box nailing machine
- Patent number 6,978,920
- Issue date Dec 27, 2005
- Hitachi Koki Co., Ltd.
- Masao Hamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Nailing machine
- Patent number 6,726,080
- Issue date Apr 27, 2004
- Hitachi Koki Co., Ltd.
- Masao Hamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Nail driver
- Patent number 6,695,196
- Issue date Feb 24, 2004
- Hitachi Koki Co., Ltd.
- Masao Hamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Pneumatic fastener driving tool having air exhaust arrangement
- Patent number 5,725,142
- Issue date Mar 10, 1998
- Hitachi Koki Co., Ltd.
- Masao Hamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Nailer
- Publication number 20040238593
- Publication date Dec 2, 2004
- Hitachi Koki Co., Ltd.
- Sueji Tachihara
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
On-off valve
- Publication number 20040238590
- Publication date Dec 2, 2004
- Hitachi Koki Co., Ltd.
- Yoshinori Ishizawa
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Box nailing machine
- Publication number 20040112934
- Publication date Jun 17, 2004
- Hitachi Koki Co., Ltd.
- Masao Hamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Nailing machine
- Publication number 20030052152
- Publication date Mar 20, 2003
- HITACHI KOKI CO., LTD.
- Masao Hamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Nail driver
- Publication number 20020027150
- Publication date Mar 7, 2002
- HITACHI KOKI CO., LTD.
- Masao Hamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS