Makoto Fujikawa

Person

Ikoma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mounting device
- Patent number 7,313,860
- Issue date Jan 1, 2008
- Matsushita Electric Industrial Co., Ltd.
- Toru Takahashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Matching circuit chip, filter with matching circuit, duplexer and c...
- Patent number 6,608,534
- Issue date Aug 19, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Kushitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Matching circuit chip, filter with matching circuit, duplexer and c...
- Patent number 6,608,533
- Issue date Aug 19, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Kushitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Diode compensation circuit including two series and one parallel re...
- Patent number 6,496,083
- Issue date Dec 17, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Kushitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laminated filter, duplexer, and mobile communication apparatus usin...
- Patent number 6,492,886
- Issue date Dec 10, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Kushitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Matching circuit chip, filter with matching circuit, duplexer and c...
- Patent number 6,326,863
- Issue date Dec 4, 2001
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Kushitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual-band multilayer bandpass filter
- Patent number 6,147,571
- Issue date Nov 14, 2000
- Matsushita Electric Industrial Co., Ltd.
- Shoichi Kitazawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna duplexer
- Patent number 6,085,071
- Issue date Jul 4, 2000
- Matsushita Electric Industrial Co., Ltd.
- Toru Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric filter including an adjusted inner electrode and a coupl...
- Patent number 5,828,275
- Issue date Oct 27, 1998
- Matsushita Electric Industrial Co., Ltd.
- Masaki Kita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Resonator, filter, communication apparatus, resonator manufacturing...
- Publication number 20040130412
- Publication date Jul 8, 2004
- Takehiko Yamakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Matching circuit chip, filter with matching circuit, duplexer and c...
- Publication number 20020027482
- Publication date Mar 7, 2002
- Hiroshi Kushitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Matching circuit chip, filter with matching circuit, duplexer and c...
- Publication number 20010048350
- Publication date Dec 6, 2001
- Hiroshi Kushitani
- H01 - BASIC ELECTRIC ELEMENTS

Makoto Fujikawa

Person

Patents Grantslast 30 patents

Mounting device

Matching circuit chip, filter with matching circuit, duplexer and c...

Matching circuit chip, filter with matching circuit, duplexer and c...

Diode compensation circuit including two series and one parallel re...

Laminated filter, duplexer, and mobile communication apparatus usin...

Matching circuit chip, filter with matching circuit, duplexer and c...

Dual-band multilayer bandpass filter

Antenna duplexer

Dielectric filter including an adjusted inner electrode and a coupl...

Patents Applicationslast 30 patents

Resonator, filter, communication apparatus, resonator manufacturing...

Matching circuit chip, filter with matching circuit, duplexer and c...

Matching circuit chip, filter with matching circuit, duplexer and c...