Kenji Doi

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Nara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic key, electronic locking apparatus, electronic security s...
- Patent number 7,543,755
- Issue date Jun 9, 2009
- Panasonic Electric Works Co., Ltd.
- Kenji Doi
- G07 - CHECKING-DEVICES
Information Patent Grant
Data transmission system using a human body as a signal transmissio...
- Patent number 6,864,780
- Issue date Mar 8, 2005
- Matsushita Electric Works, Ltd.
- Kenji Doi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission system using a human body as a signal transmissio...
- Patent number 6,771,161
- Issue date Aug 3, 2004
- Matsushita Electric Works, Ltd.
- Kenji Doi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
In-home health care system
- Patent number 6,525,670
- Issue date Feb 25, 2003
- Matsushita Electric Works, Ltd.
- Kenji Doi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrochemical gas sensor
- Patent number 5,273,640
- Issue date Dec 28, 1993
- Matsushita Electric Works, Ltd.
- Sigekazu Kusanagi
- G01 - MEASURING TESTING
Information Patent Grant
Electrochemical gas sensor
- Patent number 5,215,643
- Issue date Jun 1, 1993
- Matsushita Electric Works, Ltd.
- Shigekazu Kusanagi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Backlight unit and display device using same
- Publication number 20110122650
- Publication date May 26, 2011
- Panasonic Electric Works SUNX Co., Ltd.
- Sachi Osumi
- G02 - OPTICS
Information Patent Application
Data transmission system using a human body as a signal transmissio...
- Publication number 20050017841
- Publication date Jan 27, 2005
- Matsushita Electric Works, Ltd.
- Kenji Doi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Electronic key, electronic locking apparatus, electronic security s...
- Publication number 20030122651
- Publication date Jul 3, 2003
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Kenji Doi
- G07 - CHECKING-DEVICES
Information Patent Application
Data transmission system using a human body as a signal transmissio...
- Publication number 20020030585
- Publication date Mar 14, 2002
- Matsushita Electric Works, Ltd.
- Kenji Doi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE