MASAHIRO KUMAGAWA

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reading system, shopping assistance system, reading method, and pro...
- Patent number 11,893,563
- Issue date Feb 6, 2024
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masahiro Kumagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wireless reading system, shopping assistance system with the same,...
- Patent number 11,205,166
- Issue date Dec 21, 2021
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koji Imamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wireless communications system and method for controlling communica...
- Patent number 10,769,917
- Issue date Sep 8, 2020
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koji Imamura
- G08 - SIGNALLING
Information Patent Grant
Power amplification apparatus and control method
- Patent number 9,479,127
- Issue date Oct 25, 2016
- Panasonic Corporation
- Masahiro Kumagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quadrature modulator
- Patent number 9,331,635
- Issue date May 3, 2016
- Panasonic Corporation
- Masahiro Kumagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplification device and transmitter
- Patent number 9,240,812
- Issue date Jan 19, 2016
- Panasonic Corporation
- Masahiro Kumagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Harmonic rejection mixer
- Patent number 9,209,750
- Issue date Dec 8, 2015
- Panasonic Corporation
- Masahiro Kumagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmitting apparatus and transmission method
- Patent number 9,148,089
- Issue date Sep 29, 2015
- Panasonic Corporation
- Masakatsu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver
- Patent number 9,112,482
- Issue date Aug 18, 2015
- Panasonic Corporation
- Masahiro Kumagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High frequency variable gain amplification device, control device,...
- Patent number 7,245,890
- Issue date Jul 17, 2007
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Kumagawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
READING SYSTEM, SHOPPING ASSISTANCE SYSTEM, READING METHOD, AND PRO...
- Publication number 20210150505
- Publication date May 20, 2021
- Panasonic Intellectual Property Management Co., Ltd.
- Masahiro KUMAGAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SHOPPING ASSISTANCE SYSTEM, SHOPPING ASSISTANCE METHOD, AND PROGRAM
- Publication number 20200242580
- Publication date Jul 30, 2020
- Panasonic Intellectual Property Management Co., Ltd.
- Koji IMAMURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION ACQUISITION SYSTEM, SHOPPING ASSISTANCE SYSTEM, INFORMA...
- Publication number 20190362109
- Publication date Nov 28, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- Suguru KOJIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WIRELESS COMMUNICATIONS SYSTEM AND METHOD FOR CONTROLLING COMMUNICA...
- Publication number 20190325723
- Publication date Oct 24, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- Koji IMAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS READING SYSTEM, SHOPPING ASSISTANCE SYSTEM WITH THE SAME,...
- Publication number 20190213572
- Publication date Jul 11, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- Koji IMAMURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER AMPLIFICATION APPARATUS AND CONTROL METHOD
- Publication number 20150249431
- Publication date Sep 3, 2015
- PANASONIC CORPORATION
- MASAHIRO KUMAGAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER AMPLIFICATION DEVICE AND TRANSMITTER
- Publication number 20150244324
- Publication date Aug 27, 2015
- PANASONIC CORPORATION
- MASAHIRO KUMAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
QUADRATURE MODULATOR
- Publication number 20150194934
- Publication date Jul 9, 2015
- PANASONIC CORPORATION
- MASAHIRO KUMAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING APPARATUS AND TRANSMISSION METHOD
- Publication number 20150180418
- Publication date Jun 25, 2015
- PANASONIC CORPORATION
- MASAKATSU MAEDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HARMONIC REJECTION MIXER
- Publication number 20150084683
- Publication date Mar 26, 2015
- Masahiro Kumagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RECEIVER
- Publication number 20150070055
- Publication date Mar 12, 2015
- Masahiro Kumagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High frequency variable gain amplification device, control device,...
- Publication number 20050020227
- Publication date Jan 27, 2005
- Masahiro Kumagawa
- H03 - BASIC ELECTRONIC CIRCUITRY

MASAHIRO KUMAGAWA

Person

Patents Grantslast 30 patents

Reading system, shopping assistance system, reading method, and pro...

Wireless reading system, shopping assistance system with the same,...

Wireless communications system and method for controlling communica...

Power amplification apparatus and control method

Quadrature modulator

Power amplification device and transmitter

Harmonic rejection mixer

Transmitting apparatus and transmission method

Receiver

High frequency variable gain amplification device, control device,...

Patents Applicationslast 30 patents

READING SYSTEM, SHOPPING ASSISTANCE SYSTEM, READING METHOD, AND PRO...

SHOPPING ASSISTANCE SYSTEM, SHOPPING ASSISTANCE METHOD, AND PROGRAM

INFORMATION ACQUISITION SYSTEM, SHOPPING ASSISTANCE SYSTEM, INFORMA...

WIRELESS COMMUNICATIONS SYSTEM AND METHOD FOR CONTROLLING COMMUNICA...

WIRELESS READING SYSTEM, SHOPPING ASSISTANCE SYSTEM WITH THE SAME,...

POWER AMPLIFICATION APPARATUS AND CONTROL METHOD

POWER AMPLIFICATION DEVICE AND TRANSMITTER

QUADRATURE MODULATOR

TRANSMITTING APPARATUS AND TRANSMISSION METHOD

HARMONIC REJECTION MIXER

RECEIVER

High frequency variable gain amplification device, control device,...