Hitoshi Hirata

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radio communication device and method of determining weighting matrix
- Patent number 10,439,688
- Issue date Oct 8, 2019
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Eiji Mochida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna device
- Patent number 10,283,849
- Issue date May 7, 2019
- Sumitomo Electric Industries, Ltd.
- Hitoshi Hirata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Envelope tracking power supply circuit and high-frequency amplifier...
- Patent number 8,587,271
- Issue date Nov 19, 2013
- Sumitomo Electric Industries, Ltd.
- Akihiro Kanbe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
RADIO COMMUNICATION DEVICE AND METHOD OF DETERMINING WEIGHTING MATRIX
- Publication number 20180294853
- Publication date Oct 11, 2018
- Sumitomo Electric Industries, Ltd.
- Eiji MOCHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ANTENNA DEVICE
- Publication number 20180219277
- Publication date Aug 2, 2018
- Sumitomo Electric Industries, Ltd.
- Hitoshi HIRATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIRECTIONAL COUPLER AND WIRELESS COMMUNICATION APPARATUS COMPRISING...
- Publication number 20110273242
- Publication date Nov 10, 2011
- Kazuyuki Totani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ENVELOPE TRACKING POWER SUPPLY CIRCUIT AND HIGH-FREQUENCY AMPLIFIER...
- Publication number 20110031953
- Publication date Feb 10, 2011
- Akihiro Kanbe
- H03 - BASIC ELECTRONIC CIRCUITRY