Harufumi Mandai

Person

Takatsuki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing ceramic multilayer substrate
- Patent number 6,815,046
- Issue date Nov 9, 2004
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Frequency multiplier and wireless device incorporating same
- Patent number 6,640,095
- Issue date Oct 28, 2003
- Murata Manufacturing Co., Ltd.
- Norio Nakajima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Band-pass filter
- Patent number 6,608,537
- Issue date Aug 19, 2003
- Murata Manufacturing Co., Ltd.
- Seiji Kanba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual mode band pass filter
- Patent number 6,556,109
- Issue date Apr 29, 2003
- Murata Manufacturing Co., Ltd.
- Seiji Kanba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Duplexer and mobile communication device using the same
- Patent number 6,525,626
- Issue date Feb 25, 2003
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Frequency multiplier and wireless device incorporating same
- Patent number 6,456,836
- Issue date Sep 24, 2002
- Murata Manufacturing Co., Ltd.
- Norio Nakajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mobile communication apparatus
- Patent number 6,442,399
- Issue date Aug 27, 2002
- Murata Manufacturing Co., Ltd.
- Teruhisa Tsuru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing ceramic multilayer substrate
- Patent number 6,432,239
- Issue date Aug 13, 2002
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency filter, complex electronic component using the same,...
- Patent number 6,429,753
- Issue date Aug 6, 2002
- Murata Manufacturing Co., Ltd.
- Teruhisa Tsuru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Complex electronic component with a first multilayer filter having...
- Patent number 6,424,233
- Issue date Jul 23, 2002
- Murata Manufacturing Co., Ltd.
- Ken Tonegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Portable terminal device with chip antenna
- Patent number 6,342,858
- Issue date Jan 29, 2002
- Murata Manufacturing Co. Ltd.
- Yujiro Dakeya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna and resonant-frequency-adjustment method therefor
- Patent number 6,329,961
- Issue date Dec 11, 2001
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna apparatus and mobile communication apparatus using the same
- Patent number 6,288,680
- Issue date Sep 11, 2001
- Murata Manufacturing Co., Ltd.
- Teruhisa Tsuru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Complex electronic component
- Patent number 6,252,778
- Issue date Jun 26, 2001
- Murata Manufacturing Co., Ltd.
- Ken Tonegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna device
- Patent number 6,222,489
- Issue date Apr 24, 2001
- Murata Manufacturing Co., Ltd.
- Teruhisa Tsuru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency filter, with an inductor for forming a pole, complex...
- Patent number 6,069,541
- Issue date May 30, 2000
- Murata Manufacturing Co., Ltd.
- Teruhisa Tsuru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Impedance stabilizing unit and high-frequency module using the unit
- Patent number 6,069,538
- Issue date May 30, 2000
- Murata Manufacturing Co., Ltd.
- Norio Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chip antenna and a method for adjusting frequency of the same
- Patent number 6,064,351
- Issue date May 16, 2000
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna unit having power radiation conductor
- Patent number 6,054,956
- Issue date Apr 25, 2000
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip antenna
- Patent number 6,052,096
- Issue date Apr 18, 2000
- Murata Manufacturing Co., Ltd.
- Teruhisa Tsuru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device
- Patent number 6,034,640
- Issue date Mar 7, 2000
- Murata Manufacturing Co., Ltd.
- Toshifumi Oida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mobile image apparatus and an antenna apparatus used for the mobile...
- Patent number 6,028,554
- Issue date Feb 22, 2000
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip-antenna
- Patent number 6,028,568
- Issue date Feb 22, 2000
- Murata Manufacturing Co., Ltd.
- Kenji Asakura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device
- Patent number 5,999,146
- Issue date Dec 7, 1999
- Murata Manufacturing Co., Ltd.
- Seiji Kanba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip antenna
- Patent number 5,977,927
- Issue date Nov 2, 1999
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device having a radiating portion provided between a wiring...
- Patent number 5,969,680
- Issue date Oct 19, 1999
- Murata Manufacturing Co., Ltd.
- Teruhisa Tsuru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna apparatus having a spiral conductor and a coating layer
- Patent number 5,936,593
- Issue date Aug 10, 1999
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip antenna
- Patent number 5,933,116
- Issue date Aug 3, 1999
- Murata Manufacturing Co., Ltd.
- Tsuyoshi Suesada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna apparatus having magnetic-current-type and electric-field t...
- Patent number 5,914,691
- Issue date Jun 22, 1999
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna unit
- Patent number 5,912,647
- Issue date Jun 15, 1999
- Murata Manufacturing Co., Ltd.
- Teruhisa Tsuru
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION TERMINAL DEVICE
- Publication number 20090052360
- Publication date Feb 26, 2009
- Murata Manufacturing Co., Ltd.
- Noboru KATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of producing ceramic multilayer substrate
- Publication number 20030211302
- Publication date Nov 13, 2003
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of producing ceramic multilayer substrate
- Publication number 20020157760
- Publication date Oct 31, 2002
- Murata Manufacturing Co., Ltd.
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Frequency multiplier and wireless device incorporating same
- Publication number 20020132602
- Publication date Sep 19, 2002
- Murata Manufacturing Co., Ltd.
- Norio Nakajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Complex electronic component
- Publication number 20020041218
- Publication date Apr 11, 2002
- Murata Manufacturing Co., Ltd.
- Ken Tonegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Duplexer and mobile communication device using the same
- Publication number 20020030555
- Publication date Mar 14, 2002
- Harufumi Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Band-pass filter
- Publication number 20020030565
- Publication date Mar 14, 2002
- Murata Manufacturing Co., Ltd.
- Seiji Kanba
- H01 - BASIC ELECTRIC ELEMENTS

Harufumi Mandai

Person

Patents Grantslast 30 patents

Method of producing ceramic multilayer substrate

Frequency multiplier and wireless device incorporating same

Band-pass filter

Dual mode band pass filter

Duplexer and mobile communication device using the same

Frequency multiplier and wireless device incorporating same

Mobile communication apparatus

Method of producing ceramic multilayer substrate

High-frequency filter, complex electronic component using the same,...

Complex electronic component with a first multilayer filter having...

Portable terminal device with chip antenna

Antenna and resonant-frequency-adjustment method therefor

Antenna apparatus and mobile communication apparatus using the same

Complex electronic component

Antenna device

High-frequency filter, with an inductor for forming a pole, complex...

Impedance stabilizing unit and high-frequency module using the unit

Chip antenna and a method for adjusting frequency of the same

Antenna unit having power radiation conductor

Chip antenna

Antenna device

Mobile image apparatus and an antenna apparatus used for the mobile...

Chip-antenna

Antenna device

Chip antenna

Antenna device having a radiating portion provided between a wiring...

Antenna apparatus having a spiral conductor and a coating layer

Chip antenna

Antenna apparatus having magnetic-current-type and electric-field t...

Antenna unit

Patents Applicationslast 30 patents

INFORMATION TERMINAL DEVICE

Method of producing ceramic multilayer substrate

Method of producing ceramic multilayer substrate

Frequency multiplier and wireless device incorporating same

Complex electronic component

Duplexer and mobile communication device using the same

Band-pass filter