YASUFUMI KAWAI

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Signal generation device
- Patent number 10,153,765
- Issue date Dec 11, 2018
- Panasonic Corporation
- Osamu Tabata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic resonant coupler and high-frequency transmission de...
- Patent number 9,735,456
- Issue date Aug 15, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yasufumi Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Signal inverting device, power transmission device, and negative-vo...
- Patent number 9,654,112
- Issue date May 16, 2017
- Panasonic Corporation
- Yasufumi Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gate drive circuit
- Patent number 9,494,964
- Issue date Nov 15, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yasufumi Kawai
- G05 - CONTROLLING REGULATING
Information Patent Grant
Drive device
- Patent number 9,490,797
- Issue date Nov 8, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Osamu Tabata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonance coupler and transmission device
- Patent number 9,466,421
- Issue date Oct 11, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yasufumi Kawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate drive circuit
- Patent number 9,438,230
- Issue date Sep 6, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Shuichi Nagai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Radio-frequency signal reception circuit and isolated signal transm...
- Patent number 9,362,963
- Issue date Jun 7, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Shuichi Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplifier
- Patent number 8,536,948
- Issue date Sep 17, 2013
- Panasonic Corporation
- Yasufumi Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device with grounding conductor film formed on upper...
- Patent number 8,492,895
- Issue date Jul 23, 2013
- Panasonic Corporation
- Hiroyuki Sakai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTROMAGNETIC RESONANCE COUPLER AND GATE DRIVE CIRCUIT USING SAME...
- Publication number 20210111590
- Publication date Apr 15, 2021
- PANASONIC CORPORATION
- Yasufumi Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GATE DRIVING CIRCUIT AND POWER SWITCHING SYSTEM
- Publication number 20200186145
- Publication date Jun 11, 2020
- Panasonic Intellectual Property Management Co., Ltd.
- Shuichi NAGAI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTROMAGNETIC RESONANT COUPLER INCLUDING INPUT LINE, FIRST RESONA...
- Publication number 20170353056
- Publication date Dec 7, 2017
- PANASONIC CORPORATION
- YASUFUMI KAWAI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SIGNAL GENERATION DEVICE
- Publication number 20170230047
- Publication date Aug 10, 2017
- PANASONIC CORPORATION
- OSAMU TABATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIGNAL INVERTING DEVICE, POWER TRANSMISSION DEVICE, AND NEGATIVE-VO...
- Publication number 20160211840
- Publication date Jul 21, 2016
- PANASONIC CORPORATION
- YASUFUMI KAWAI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVE DEVICE
- Publication number 20160112040
- Publication date Apr 21, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- OSAMU TABATA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTROMAGNETIC RESONANT COUPLER AND HIGH-FREQUENCY TRANSMISSION DE...
- Publication number 20160072167
- Publication date Mar 10, 2016
- Yasufumi KAWAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RESONANCE COUPLER AND TRANSMISSION DEVICE
- Publication number 20160065168
- Publication date Mar 3, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- YASUFUMI KAWAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GATE DRIVE CIRCUIT
- Publication number 20150234417
- Publication date Aug 20, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- YASUFUMI KAWAI
- G05 - CONTROLLING REGULATING
Information Patent Application
RADIO-FREQUENCY SIGNAL RECEPTION CIRCUIT AND ISOLATED SIGNAL TRANSM...
- Publication number 20150222306
- Publication date Aug 6, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- SHUICHI NAGAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GATE DRIVE CIRCUIT
- Publication number 20150222263
- Publication date Aug 6, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- SHUICHI NAGAI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER AMPLIFIER
- Publication number 20130099864
- Publication date Apr 25, 2013
- PANASONIC CORPORATION
- Yasufumi KAWAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR CHIP AND SEMICONDUCTOR DEVICE
- Publication number 20110291271
- Publication date Dec 1, 2011
- PANASONIC CORPORATION
- Hiroyuki SAKAI
- H01 - BASIC ELECTRIC ELEMENTS

YASUFUMI KAWAI

Person

Patents Grantslast 30 patents

Signal generation device

Electromagnetic resonant coupler and high-frequency transmission de...

Signal inverting device, power transmission device, and negative-vo...

Gate drive circuit

Drive device

Resonance coupler and transmission device

Gate drive circuit

Radio-frequency signal reception circuit and isolated signal transm...

Power amplifier

Semiconductor device with grounding conductor film formed on upper...

Patents Applicationslast 30 patents

ELECTROMAGNETIC RESONANCE COUPLER AND GATE DRIVE CIRCUIT USING SAME...

GATE DRIVING CIRCUIT AND POWER SWITCHING SYSTEM

ELECTROMAGNETIC RESONANT COUPLER INCLUDING INPUT LINE, FIRST RESONA...

SIGNAL GENERATION DEVICE

SIGNAL INVERTING DEVICE, POWER TRANSMISSION DEVICE, AND NEGATIVE-VO...

DRIVE DEVICE

ELECTROMAGNETIC RESONANT COUPLER AND HIGH-FREQUENCY TRANSMISSION DE...

RESONANCE COUPLER AND TRANSMISSION DEVICE

GATE DRIVE CIRCUIT

RADIO-FREQUENCY SIGNAL RECEPTION CIRCUIT AND ISOLATED SIGNAL TRANSM...

GATE DRIVE CIRCUIT

POWER AMPLIFIER

SEMICONDUCTOR CHIP AND SEMICONDUCTOR DEVICE