Shigeji Arakawa

Person

Nagaokakyo-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Nonreciprocal circuit device
- Patent number 7,915,971
- Issue date Mar 29, 2011
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric resonator device, dielectric filter, dielectric duplexer...
- Patent number 6,853,265
- Issue date Feb 8, 2005
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Strip-line filter, duplexer, filter device, communication device, a...
- Patent number 6,642,816
- Issue date Nov 4, 2003
- Murata Manufacturing Co., Ltd.
- Tatsuya Tsujiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Strip-line filter, duplexer, filter device, communication device, a...
- Patent number 6,489,865
- Issue date Dec 3, 2002
- Murata Manufacturing Co., Ltd.
- Tatsuya Tsujiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Patent number 6,356,170
- Issue date Mar 12, 2002
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Patent number 6,346,867
- Issue date Feb 12, 2002
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Patent number 6,281,764
- Issue date Aug 28, 2001
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Patent number 6,255,921
- Issue date Jul 3, 2001
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Patent number 6,160,463
- Issue date Dec 12, 2000
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric filter having input/output electrodes connected to elect...
- Patent number 6,133,808
- Issue date Oct 17, 2000
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Patent number 6,020,800
- Issue date Feb 1, 2000
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric filter and dielectric duplexer each having a plurality o...
- Patent number 6,002,306
- Issue date Dec 14, 1999
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric filter and dielectric duplexer
- Patent number 6,002,307
- Issue date Dec 14, 1999
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric resonator having a cutout portion for receiving an unita...
- Patent number 5,049,842
- Issue date Sep 17, 1991
- Murata Mfg. Co., Ltd.
- Youhei Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radio frequency signal combining/sorting device
- Patent number 4,902,991
- Issue date Feb 20, 1990
- Murata Manufacturing Co., Ltd.
- Youhei Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NONRECIPROCAL CIRCUIT DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20090273410
- Publication date Nov 5, 2009
- Murata Manufacturing Co., Ltd.
- Shigeji ARAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric resonator device, dielectric filter, dielectric duplexer...
- Publication number 20030151475
- Publication date Aug 14, 2003
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Strip line filter, duplexer, filter device, communication device, a...
- Publication number 20030085781
- Publication date May 8, 2003
- Murata Manufacturing Co., Ltd.
- Tatsuya Tsujiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Publication number 20010024147
- Publication date Sep 27, 2001
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Publication number 20010000656
- Publication date May 3, 2001
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric waveguide resonator, dielectric waveguide filter, and me...
- Publication number 20010000429
- Publication date Apr 26, 2001
- Murata Manufacturing Co., Ltd.
- Shigeji Arakawa
- H01 - BASIC ELECTRIC ELEMENTS

Shigeji Arakawa

Person

Patents Grantslast 30 patents

Nonreciprocal circuit device

Dielectric resonator device, dielectric filter, dielectric duplexer...

Strip-line filter, duplexer, filter device, communication device, a...

Strip-line filter, duplexer, filter device, communication device, a...

Dielectric waveguide resonator, dielectric waveguide filter, and me...

Dielectric waveguide resonator, dielectric waveguide filter, and me...

Dielectric waveguide resonator, dielectric waveguide filter, and me...

Dielectric waveguide resonator, dielectric waveguide filter, and me...

Dielectric waveguide resonator, dielectric waveguide filter, and me...

Dielectric filter having input/output electrodes connected to elect...

Dielectric waveguide resonator, dielectric waveguide filter, and me...

Dielectric filter and dielectric duplexer each having a plurality o...

Dielectric filter and dielectric duplexer

Dielectric resonator having a cutout portion for receiving an unita...

Radio frequency signal combining/sorting device

Patents Applicationslast 30 patents

NONRECIPROCAL CIRCUIT DEVICE AND MANUFACTURING METHOD THEREOF

Dielectric resonator device, dielectric filter, dielectric duplexer...

Strip line filter, duplexer, filter device, communication device, a...

Dielectric waveguide resonator, dielectric waveguide filter, and me...

Dielectric waveguide resonator, dielectric waveguide filter, and me...

Dielectric waveguide resonator, dielectric waveguide filter, and me...