Katsuhiko Gunji

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Packaging substrate and manufacturing method thereof, integrated ci...
- Patent number 7,132,310
- Issue date Nov 7, 2006
- TDK Corporation
- Masahiro Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Duplexer and method of manufacturing same
- Patent number 7,078,984
- Issue date Jul 18, 2006
- TDK Corporation
- Eiju Komuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packaging substrate and manufacturing method thereof, integrated ci...
- Patent number 7,015,556
- Issue date Mar 21, 2006
- TDK Corporation
- Masahiro Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin-film piezoelectric resonator and method for fabricating the same
- Patent number 6,977,563
- Issue date Dec 20, 2005
- TDK Corporation
- Eiju Komuro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezoelectric resonant filter, duplexer, and method of manufacturin...
- Patent number 6,778,038
- Issue date Aug 17, 2004
- TDK Corporation
- Taku Takeishi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Mobile communication device having an output power sensor succeedin...
- Patent number 5,715,527
- Issue date Feb 3, 1998
- Oki Electric Industry Co., Ltd.
- Hiroyuki Horii
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
LC-type dielectric filter and duplexer
- Patent number 5,525,942
- Issue date Jun 11, 1996
- Oki Electric Industry Co., Ltd.
- Hiroyuki Horii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stripline resonator
- Patent number 5,525,954
- Issue date Jun 11, 1996
- Oki Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Strip line filter and duplexer filter using the same
- Patent number 5,486,799
- Issue date Jan 23, 1996
- Oki Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Branching filter having specific impedance and admittance character...
- Patent number 5,323,127
- Issue date Jun 21, 1994
- Oki Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dielectric filter having coupling amount adjusting patterns
- Patent number 5,227,747
- Issue date Jul 13, 1993
- Oki Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric filter having an attenuation pole tunable to a predeterm...
- Patent number 5,150,089
- Issue date Sep 22, 1992
- Oki Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
LC-type dielectric filter
- Patent number 5,124,675
- Issue date Jun 23, 1992
- Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microstrip line type resonator
- Patent number 5,097,237
- Issue date Mar 17, 1992
- Oki Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Duplexer with an isolating circuit on a dielectric plate
- Patent number 5,015,973
- Issue date May 14, 1991
- Oki Electric Industry Co., Ltd.
- Izumi Kawakami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Isolating circuit and dielectric filter for use therein
- Patent number 5,015,974
- Issue date May 14, 1991
- Oki Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric filter with attenuation pole
- Patent number 4,891,615
- Issue date Jan 2, 1990
- Oki Electric Industry Co., Ltd.
- Tomokazu Komazaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Packaging substrate and manufacturing method thereof, integrated ci...
- Publication number 20060134834
- Publication date Jun 22, 2006
- TDK Corporation
- Masahiro Nakano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Packaging substrate and manufacturing method thereof, integrated ci...
- Publication number 20040251560
- Publication date Dec 16, 2004
- TDK Corporation
- Masahiro Nakano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Duplexer and manufacturing method thereof
- Publication number 20040196116
- Publication date Oct 7, 2004
- Eiju Komuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Thin-film piezoelectric resonator and method for fabricating the same
- Publication number 20040140865
- Publication date Jul 22, 2004
- TDK Corporation
- Eiju Komuro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Packaging substrate and manufacturing method thereof, integrated ci...
- Publication number 20030137039
- Publication date Jul 24, 2003
- TDK Corporation
- Masahiro Nakano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Piezoelectric resonant filter, duplexer, and method of manufacturin...
- Publication number 20030117238
- Publication date Jun 26, 2003
- TDK Corporation
- Taku Takeishi
- H03 - BASIC ELECTRONIC CIRCUITRY

Katsuhiko Gunji

Person

Patents Grantslast 30 patents

Packaging substrate and manufacturing method thereof, integrated ci...

Duplexer and method of manufacturing same

Packaging substrate and manufacturing method thereof, integrated ci...

Thin-film piezoelectric resonator and method for fabricating the same

Piezoelectric resonant filter, duplexer, and method of manufacturin...

Mobile communication device having an output power sensor succeedin...

LC-type dielectric filter and duplexer

Stripline resonator

Strip line filter and duplexer filter using the same

Branching filter having specific impedance and admittance character...

Dielectric filter having coupling amount adjusting patterns

Dielectric filter having an attenuation pole tunable to a predeterm...

LC-type dielectric filter

Microstrip line type resonator

Duplexer with an isolating circuit on a dielectric plate

Isolating circuit and dielectric filter for use therein

Dielectric filter with attenuation pole

Patents Applicationslast 30 patents

Packaging substrate and manufacturing method thereof, integrated ci...

Packaging substrate and manufacturing method thereof, integrated ci...

Duplexer and manufacturing method thereof

Thin-film piezoelectric resonator and method for fabricating the same

Packaging substrate and manufacturing method thereof, integrated ci...

Piezoelectric resonant filter, duplexer, and method of manufacturin...