Kenji Yamakawa

Person

Kyoto-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric element, acoustic generator, acoustic generation devi...
- Patent number 10,010,909
- Issue date Jul 3, 2018
- Kyocera Corporation
- Tooru Takahashi
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Acoustic generator, acoustic generation device, and electronic device
- Patent number 9,883,289
- Issue date Jan 30, 2018
- Kyocera Corporation
- Noriyuki Kushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic generator, acoustic generation device, and electronic appa...
- Patent number 9,848,268
- Issue date Dec 19, 2017
- KYOCERA Corporation
- Noriyuki Kushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric vibration component and portable terminal
- Patent number 9,590,162
- Issue date Mar 7, 2017
- Kyocera Corporation
- Yasuhito Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric vibration device and portable terminal using the same
- Patent number 9,583,692
- Issue date Feb 28, 2017
- Kyocera Corporation
- Harumi Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic generator, acoustic generation device, and electronic device
- Patent number 9,392,372
- Issue date Jul 12, 2016
- KYOCERA Corporation
- Shuichi Fukuoka
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Piezoelectric vibration element, piezoelectric vibration device, an...
- Patent number 9,318,688
- Issue date Apr 19, 2016
- Kyocera Corporation
- Yasuhito Fujii
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Piezoelectric vibration element, piezoelectric vibration device, an...
- Patent number 9,257,631
- Issue date Feb 9, 2016
- Kyocera Corporation
- Yasuhito Fujii
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Sound generator and sound-generating apparatus
- Patent number 9,119,003
- Issue date Aug 25, 2015
- KYOCERA Corporation
- Shuichi Fukuoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric vibration device and portable terminal using the same
- Patent number 9,070,864
- Issue date Jun 30, 2015
- KOYCERA CORPORATION
- Harumi Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric oscillation element and piezoelectric oscillation com...
- Patent number 7,626,317
- Issue date Dec 1, 2009
- Kyocera Corporation
- Yasuhiro Nakai
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
PIEZOELECTRIC ELEMENT, ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVI...
- Publication number 20170203333
- Publication date Jul 20, 2017
- KYOCERA CORPORATION
- Tooru TAKAHASHI
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVICE, AND ELECTRONIC APPA...
- Publication number 20160337759
- Publication date Nov 17, 2016
- Kyocera Corporation
- Noriyuki KUSHIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVICE, AND ELECTRONIC DEVICE
- Publication number 20150326976
- Publication date Nov 12, 2015
- KYOCERA CORPORATION
- Noriyuki Kushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVICE, AND ELECTRONIC DEVICE
- Publication number 20150172823
- Publication date Jun 18, 2015
- KYOCERA CORPORATION
- Shuichi Fukuoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PIEZOELECTRIC VIBRATION COMPONENT AND PORTABLE TERMINAL
- Publication number 20150054382
- Publication date Feb 26, 2015
- KYOCERA CORPORATION
- Yasuhito Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PIEZOELECTRIC VIBRATION ELEMENT, PIEZOELECTRIC VIBRATION DEVICE, AN...
- Publication number 20140232243
- Publication date Aug 21, 2014
- KYOCERA CORPORPATION
- Yasuhito FUJII
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
PIEZOELECTRIC VIBRATION ELEMENT, PIEZOELECTRIC VIBRATION DEVICE, AN...
- Publication number 20140132115
- Publication date May 15, 2014
- Kyocera Corporation
- Yasuhito Fujii
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
SOUND GENERATOR AND SOUND-GENERATING APPARATUS
- Publication number 20140098978
- Publication date Apr 10, 2014
- KYOCERA CORPORATION
- Shuichi Fukuoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PIEZOELECTRIC VIBRATION DEVICE AND PORTABLE TERMINAL USING THE SAME
- Publication number 20130259274
- Publication date Oct 3, 2013
- Harumi Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PIEZOELECTRIC VIBRATION DEVICE AND PORTABLE TERMINAL USING THE SAME
- Publication number 20130241352
- Publication date Sep 19, 2013
- Piezoelectrtic Vibration Device and Portable Terminal Using the Same
- Harumi Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Piezoelectric Oscillation Element and Piezoelectric Oscillation Com...
- Publication number 20090200900
- Publication date Aug 13, 2009
- KYOCERA CORPORATION
- Yasuhiro Nakai
- H03 - BASIC ELECTRONIC CIRCUITRY

Kenji Yamakawa

Person

Patents Grantslast 30 patents

Piezoelectric element, acoustic generator, acoustic generation devi...

Acoustic generator, acoustic generation device, and electronic device

Acoustic generator, acoustic generation device, and electronic appa...

Piezoelectric vibration component and portable terminal

Piezoelectric vibration device and portable terminal using the same

Acoustic generator, acoustic generation device, and electronic device

Piezoelectric vibration element, piezoelectric vibration device, an...

Piezoelectric vibration element, piezoelectric vibration device, an...

Sound generator and sound-generating apparatus

Piezoelectric vibration device and portable terminal using the same

Piezoelectric oscillation element and piezoelectric oscillation com...

Patents Applicationslast 30 patents

PIEZOELECTRIC ELEMENT, ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVI...

ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVICE, AND ELECTRONIC APPA...

ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVICE, AND ELECTRONIC DEVICE

ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVICE, AND ELECTRONIC DEVICE

PIEZOELECTRIC VIBRATION COMPONENT AND PORTABLE TERMINAL

PIEZOELECTRIC VIBRATION ELEMENT, PIEZOELECTRIC VIBRATION DEVICE, AN...

PIEZOELECTRIC VIBRATION ELEMENT, PIEZOELECTRIC VIBRATION DEVICE, AN...

SOUND GENERATOR AND SOUND-GENERATING APPARATUS

PIEZOELECTRIC VIBRATION DEVICE AND PORTABLE TERMINAL USING THE SAME

PIEZOELECTRIC VIBRATION DEVICE AND PORTABLE TERMINAL USING THE SAME

Piezoelectric Oscillation Element and Piezoelectric Oscillation Com...