Joji Fujiwara

Person

Osaka-Fu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reduced temperature coefficient of frequency at filter transition b...
- Patent number 11,923,829
- Issue date Mar 5, 2024
- Skyworks Solutions, Inc.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Suppression of transverse mode spurious signals in surface acoustic...
- Patent number 11,677,380
- Issue date Jun 13, 2023
- Skyworks Solutions, Inc.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Suppression of transverse mode spurious signals in surface acoustic...
- Patent number 11,652,466
- Issue date May 16, 2023
- Skyworks Solutions, Inc.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Suppression of spurious signals in surface acoustic wave devices
- Patent number 11,444,599
- Issue date Sep 13, 2022
- Skyworks Solutions, Inc.
- Riho Sasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Reduced temperature coefficient of frequency at filter transition b...
- Patent number 10,979,028
- Issue date Apr 13, 2021
- Skyworks Solutions, Inc.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter devices having reduced spurious emissions from lamb waves
- Patent number 10,491,194
- Issue date Nov 26, 2019
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter devices having reduced spurious emissions from lamb waves
- Patent number 10,187,039
- Issue date Jan 22, 2019
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency filter including matching circuit
- Patent number 10,141,643
- Issue date Nov 27, 2018
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter devices having improved attenuation characteristics
- Patent number 10,135,422
- Issue date Nov 20, 2018
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Rei Goto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic wave elements, antenna duplexers and electronic devices
- Patent number 10,097,159
- Issue date Oct 9, 2018
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ladder-type elastic wave filter having series and parallel resonators
- Patent number 10,044,340
- Issue date Aug 7, 2018
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ladder-type surface acoustic wave filter including series and paral...
- Patent number 9,819,329
- Issue date Nov 14, 2017
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Tetsuya Tsurunari
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Elastic wave element with interdigital transducer electrode
- Patent number 9,748,924
- Issue date Aug 29, 2017
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Elastic wave filter and duplexer using same
- Patent number 9,722,576
- Issue date Aug 1, 2017
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High frequency filter with phase compensating circuit
- Patent number 9,722,573
- Issue date Aug 1, 2017
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic wave device with suppressed higher order transverse modes
- Patent number 9,640,750
- Issue date May 2, 2017
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Hidekazu Nakanishi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic device including filter
- Patent number 9,520,857
- Issue date Dec 13, 2016
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multimode elastic wave device
- Patent number 9,473,107
- Issue date Oct 18, 2016
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ladder-type elastic wave filter and antenna duplexer using same
- Patent number 9,467,117
- Issue date Oct 11, 2016
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Elastic wave element, and electrical apparatus and duplexer using same
- Patent number 9,425,766
- Issue date Aug 23, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna sharing device
- Patent number 9,419,584
- Issue date Aug 16, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Tetsuya Tsurunari
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna duplexer
- Patent number 9,294,071
- Issue date Mar 22, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Toru Yamaji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic device including filter
- Patent number 9,246,533
- Issue date Jan 26, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ladder-type surface acoustic wave filter and duplexer including the...
- Patent number 9,203,376
- Issue date Dec 1, 2015
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Tetsuya Tsurunari
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Elastic wave filter, and duplexer and electronic device using same
- Patent number 9,203,378
- Issue date Dec 1, 2015
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency filter
- Patent number 9,166,558
- Issue date Oct 20, 2015
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Elastic wave element
- Patent number 9,136,458
- Issue date Sep 15, 2015
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Elastic wave filter device and antenna duplexer using same
- Patent number 9,083,314
- Issue date Jul 14, 2015
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Tetsuya Tsurunari
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic wave device with reduced higher order transverse modes
- Patent number 9,065,424
- Issue date Jun 23, 2015
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Hidekazu Nakanishi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna duplexer
- Patent number 8,994,472
- Issue date Mar 31, 2015
- Panasonic Corporation
- Toru Yamaji
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
INCREASED DIELECTRIC FILM THICKNESS REFLECTOR IN A TEMPERATURE COMP...
- Publication number 20240267028
- Publication date Aug 8, 2024
- Skyworks Solutions, Inc.
- Satoru Ikeuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTER ASSEMBLY OPERATING AT A WIDER PASSBAND WITH IMPROVED REFLECT...
- Publication number 20240250435
- Publication date Jul 25, 2024
- Skyworks Solutions, Inc.
- Joji Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NO-CONTACT VIA FOR HEAT DISSIPATION PATH
- Publication number 20240056049
- Publication date Feb 15, 2024
- Skyworks Solutions, Inc.
- Kazuki Yamamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
REDUCING IMPEDANCE MATCHING COMPONENTS IN FRONT END ARCHITECTURES F...
- Publication number 20230163745
- Publication date May 25, 2023
- Skyworks Solutions, Inc.
- Jiunn-Sheng GUO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SHEAR HORIZONTAL MODE ACOUSTIC WAVE DEVICE WITH MULTILAYER INTERDIG...
- Publication number 20230094376
- Publication date Mar 30, 2023
- Skyworks Solutions, Inc.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ACOUSTIC WAVE DEVICE WITH MULTILAYER INTERDIGITAL TRANSDUCER ELECTRODE
- Publication number 20230101360
- Publication date Mar 30, 2023
- Skyworks Solutions, Inc.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOW VELOCITY SURFACE ACOUSTIC WAVE DEVICE
- Publication number 20230043197
- Publication date Feb 9, 2023
- Skyworks Solutions, Inc.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SINGLE ANTENNA INDUCTOR TO MATCH ALL BANDS IN A FRONT-END MODULE
- Publication number 20220345103
- Publication date Oct 27, 2022
- Skyworks Solutions, Inc.
- Jiunn-Sheng Guo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REDUCED TEMPERATURE COEFFICIENT OF FREQUENCY AT FILTER TRANSITION B...
- Publication number 20210226610
- Publication date Jul 22, 2021
- Skyworks Solutions, Inc.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SUPPRESSION OF TRANSVERSE MODE SPURIOUS SIGNALS IN SURFACE ACOUSTIC...
- Publication number 20210067136
- Publication date Mar 4, 2021
- Skyworks Solutions, Inc.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SUPPRESSION OF SPURIOUS SIGNALS IN SURFACE ACOUSTIC WAVE DEVICES
- Publication number 20210067127
- Publication date Mar 4, 2021
- Skyworks Solutions, Inc.
- Riho Sasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SUPPRESSION OF TRANSVERSE MODE SPURIOUS SIGNALS IN SURFACE ACOUSTIC...
- Publication number 20210067134
- Publication date Mar 4, 2021
- Skyworks Solutions, Inc.
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
REDUCED TEMPERATURE COEFFICIENT OF FREQUENCY AT FILTER TRANSITION B...
- Publication number 20190341911
- Publication date Nov 7, 2019
- SKYWORKS SOLUTIONS, INC.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTER DEVICES HAVING REDUCED SPURIOUS EMISSIONS FROM LAMB WAVES
- Publication number 20190149132
- Publication date May 16, 2019
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTER DEVICES HAVING REDUCED SPURIOUS EMISSIONS FROM LAMB WAVES
- Publication number 20170353174
- Publication date Dec 7, 2017
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTER DEVICES
- Publication number 20170099043
- Publication date Apr 6, 2017
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Rei Goto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH FREQUENCY FILTER WITH PHASE COMPENSATING CIRCUIT
- Publication number 20170093373
- Publication date Mar 30, 2017
- SKYWORKS FILTER SOLUTIONS JAPAN CO., LTD.
- Joji Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LADDER-TYPE ELASTIC WAVE FILTER HAVING SERIES AND PARALLEL RESONATORS
- Publication number 20160301384
- Publication date Oct 13, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ACOUSTIC WAVE ELEMENTS, ANTENNA DUPLEXERS AND ELECTRONIC DEVICES
- Publication number 20160268997
- Publication date Sep 15, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ACOUSTIC WAVE ELEMENTS, AND DUPLEXERS AND ELECTRONIC DEVICES USING...
- Publication number 20160226464
- Publication date Aug 4, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTRONIC DEVICE INCLUDING FILTER
- Publication number 20160105158
- Publication date Apr 14, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELASTIC WAVE FILTER AND DUPLEXER USING SAME
- Publication number 20160072471
- Publication date Mar 10, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LADDER-TYPE SURFACE ACOUSTIC WAVE FILTER INCLUDING SERIES AND PARAL...
- Publication number 20160056793
- Publication date Feb 25, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Tetsuya Tsurunari
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HIGH-FREQUENCY FILTER INCLUDING MATCHING CIRCUIT
- Publication number 20160028156
- Publication date Jan 28, 2016
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Joji Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELASTIC WAVE ELEMENT WITH INTERDIGITAL TRANSDUCER ELECTRODE
- Publication number 20150333731
- Publication date Nov 19, 2015
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Tomoya Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ACOUSTIC WAVE DEVICE WITH SUPPRESSED HIGHER ORDER TRANSVERSE MODES
- Publication number 20150243873
- Publication date Aug 27, 2015
- SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD
- Hidekazu Nakanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DUPLEXER
- Publication number 20150180450
- Publication date Jun 25, 2015
- PANASONIC CORPORATION
- Toru Yamaji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-FREQUENCY FILTER
- Publication number 20140225680
- Publication date Aug 14, 2014
- PANASONIC CORPORATION
- Joji FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LADDER-TYPE ELASTIC WAVE FILTER AND ANTENNA DUPLEXER USING SAME
- Publication number 20140218129
- Publication date Aug 7, 2014
- PANASONIC CORPORATION
- Joji FUJIWARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTRONIC DEVICE INCLUDING FILTER
- Publication number 20140113571
- Publication date Apr 24, 2014
- PANASONIC CORPORATION
- JOJI FUJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Joji Fujiwara

Person

Patents Grantslast 30 patents

Reduced temperature coefficient of frequency at filter transition b...

Suppression of transverse mode spurious signals in surface acoustic...

Suppression of transverse mode spurious signals in surface acoustic...

Suppression of spurious signals in surface acoustic wave devices

Reduced temperature coefficient of frequency at filter transition b...

Filter devices having reduced spurious emissions from lamb waves

Filter devices having reduced spurious emissions from lamb waves

High-frequency filter including matching circuit

Filter devices having improved attenuation characteristics

Acoustic wave elements, antenna duplexers and electronic devices

Ladder-type elastic wave filter having series and parallel resonators

Ladder-type surface acoustic wave filter including series and paral...

Elastic wave element with interdigital transducer electrode

Elastic wave filter and duplexer using same

High frequency filter with phase compensating circuit

Acoustic wave device with suppressed higher order transverse modes

Electronic device including filter

Multimode elastic wave device

Ladder-type elastic wave filter and antenna duplexer using same

Elastic wave element, and electrical apparatus and duplexer using same

Antenna sharing device

Antenna duplexer

Electronic device including filter

Ladder-type surface acoustic wave filter and duplexer including the...

Elastic wave filter, and duplexer and electronic device using same

High-frequency filter

Elastic wave element

Elastic wave filter device and antenna duplexer using same

Acoustic wave device with reduced higher order transverse modes

Antenna duplexer

Patents Applicationslast 30 patents

INCREASED DIELECTRIC FILM THICKNESS REFLECTOR IN A TEMPERATURE COMP...

FILTER ASSEMBLY OPERATING AT A WIDER PASSBAND WITH IMPROVED REFLECT...

NO-CONTACT VIA FOR HEAT DISSIPATION PATH

REDUCING IMPEDANCE MATCHING COMPONENTS IN FRONT END ARCHITECTURES F...

SHEAR HORIZONTAL MODE ACOUSTIC WAVE DEVICE WITH MULTILAYER INTERDIG...

ACOUSTIC WAVE DEVICE WITH MULTILAYER INTERDIGITAL TRANSDUCER ELECTRODE

LOW VELOCITY SURFACE ACOUSTIC WAVE DEVICE

SINGLE ANTENNA INDUCTOR TO MATCH ALL BANDS IN A FRONT-END MODULE

REDUCED TEMPERATURE COEFFICIENT OF FREQUENCY AT FILTER TRANSITION B...

SUPPRESSION OF TRANSVERSE MODE SPURIOUS SIGNALS IN SURFACE ACOUSTIC...

SUPPRESSION OF SPURIOUS SIGNALS IN SURFACE ACOUSTIC WAVE DEVICES

SUPPRESSION OF TRANSVERSE MODE SPURIOUS SIGNALS IN SURFACE ACOUSTIC...

REDUCED TEMPERATURE COEFFICIENT OF FREQUENCY AT FILTER TRANSITION B...

FILTER DEVICES HAVING REDUCED SPURIOUS EMISSIONS FROM LAMB WAVES

FILTER DEVICES HAVING REDUCED SPURIOUS EMISSIONS FROM LAMB WAVES

FILTER DEVICES

HIGH FREQUENCY FILTER WITH PHASE COMPENSATING CIRCUIT

LADDER-TYPE ELASTIC WAVE FILTER HAVING SERIES AND PARALLEL RESONATORS

ACOUSTIC WAVE ELEMENTS, ANTENNA DUPLEXERS AND ELECTRONIC DEVICES

ACOUSTIC WAVE ELEMENTS, AND DUPLEXERS AND ELECTRONIC DEVICES USING...

ELECTRONIC DEVICE INCLUDING FILTER

ELASTIC WAVE FILTER AND DUPLEXER USING SAME

LADDER-TYPE SURFACE ACOUSTIC WAVE FILTER INCLUDING SERIES AND PARAL...

HIGH-FREQUENCY FILTER INCLUDING MATCHING CIRCUIT

ELASTIC WAVE ELEMENT WITH INTERDIGITAL TRANSDUCER ELECTRODE

ACOUSTIC WAVE DEVICE WITH SUPPRESSED HIGHER ORDER TRANSVERSE MODES

ANTENNA DUPLEXER

HIGH-FREQUENCY FILTER

LADDER-TYPE ELASTIC WAVE FILTER AND ANTENNA DUPLEXER USING SAME

ELECTRONIC DEVICE INCLUDING FILTER