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Makoto Shigihara
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Fukushima-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Valve-integrated transponder
Patent number
7,804,397
Issue date
Sep 28, 2010
Alps Electric Co., Ltd.
Makoto Shigihara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Valve-integrated transponder
Patent number
7,804,398
Issue date
Sep 28, 2010
Alps Electric Co., Ltd.
Makoto Shigihara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Antenna apparatus for transponder
Patent number
7,453,415
Issue date
Nov 18, 2008
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Antenna device having enhanced reception sensitivity in wide bands
Patent number
7,315,287
Issue date
Jan 1, 2008
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Antenna device having enhanced reception sensitivity in wide bands
Patent number
7,307,598
Issue date
Dec 11, 2007
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Antenna device capable of being tuned in wide band
Patent number
7,071,887
Issue date
Jul 4, 2006
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compact, vibration-resistant circularly polarized wave antenna
Patent number
6,707,426
Issue date
Mar 16, 2004
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Small-sized circular polarized wave microstrip antenna providing de...
Patent number
6,326,923
Issue date
Dec 4, 2001
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Outdoor converter for receiving satellite broadcast
Patent number
5,796,371
Issue date
Aug 18, 1998
Alps Electric Co., Ltd.
Makoto Sato
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
VALVE-INTEGRATED TRANSPONDER
Publication number
20080303672
Publication date
Dec 11, 2008
Alps Electric Co., Ltd.
Makoto Shigihara
B60 - VEHICLES IN GENERAL
Information
Patent Application
VALVE-INTEGRATED TRANSPONDER
Publication number
20080303652
Publication date
Dec 11, 2008
Alps Electric Co., Ltd.
Makoto Shigihara
B60 - VEHICLES IN GENERAL
Information
Patent Application
Antenna apparatus for transponder
Publication number
20080001842
Publication date
Jan 3, 2008
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Antenna apparatus disposed in tire
Publication number
20070103285
Publication date
May 10, 2007
Alps Electric Co., Ltd.
Yasuhiro Konno
B60 - VEHICLES IN GENERAL
Information
Patent Application
Antenna device having enhanced reception sensitivity in wide bands
Publication number
20060139226
Publication date
Jun 29, 2006
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Antenna device having enhanced reception sensitivity in wide bands
Publication number
20060139227
Publication date
Jun 29, 2006
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Antenna device capable of being tuned in wide band
Publication number
20050162323
Publication date
Jul 28, 2005
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Small plane antenna and composite antenna using the same
Publication number
20040021606
Publication date
Feb 5, 2004
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compact, vibration-resistant circularly polarized wave antenna
Publication number
20020080075
Publication date
Jun 27, 2002
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Small-sized circular polarized wave microstrip antenna providing de...
Publication number
20010020920
Publication date
Sep 13, 2001
Alps Electric Co., Ltd.
Makoto Shigihara
H01 - BASIC ELECTRIC ELEMENTS