Kunihiko Tatsu

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Hikone, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hammer drill
- Patent number 7,828,074
- Issue date Nov 9, 2010
- Panasonic Electric Works Co., Ltd.
- Hiroyuki Tsubakimoto
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Hammer drill
- Patent number 7,694,750
- Issue date Apr 13, 2010
- Panasonic Electric Works Co., Ltd.
- Hiroyuki Tsubakimoto
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Cutting method and saw tool
- Patent number 5,964,039
- Issue date Oct 12, 1999
- Matsushita Electric Works, Ltd.
- Soichiro Mizoguchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Depth adjuster for rotary tools such as screwdrivers
- Patent number 5,044,233
- Issue date Sep 3, 1991
- Matsushita Electric Works, Ltd.
- Kunihiko Tatsu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Keyless chuck for rotary tool
- Patent number 5,031,925
- Issue date Jul 16, 1991
- Matsushita Electric Works, Ltd.
- Kunihiko Tatsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Keyless chuck for rotary tool
- Patent number 4,695,065
- Issue date Sep 22, 1987
- Matsushita Electric Works, Ltd.
- Teruaki Komatsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
HAMMER DRILL
- Publication number 20090229845
- Publication date Sep 17, 2009
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Hiroyuki Tsubakimoto
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
POWER IMPACT TOOL
- Publication number 20090065228
- Publication date Mar 12, 2009
- Koichi HASHIMOTO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Power impact tool adapter
- Publication number 20070131440
- Publication date Jun 14, 2007
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Koichi Hashimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Power impact tool adapter
- Publication number 20070131439
- Publication date Jun 14, 2007
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Koichi Hashimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Hammer drill
- Publication number 20060266536
- Publication date Nov 30, 2006
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Hiroyuki Tsubakimoto
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS