Norikazu TSUKAHARA

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Fujimi-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emission control circuit, light source device, and projection...
- Patent number 10,334,694
- Issue date Jun 25, 2019
- Seiko Epson Corporation
- Norikazu Tsukahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light emission control circuit, light source apparatus, and project...
- Patent number 10,036,945
- Issue date Jul 31, 2018
- Seiko Epson Corporation
- Atsushi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Circuit device, electronic device, and drive method for resonant ci...
- Patent number 9,985,697
- Issue date May 29, 2018
- Seiko Epson Corporation
- Norikazu Tsukahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit device, electronic apparatus, and power supply method
- Patent number 8,258,771
- Issue date Sep 4, 2012
- Seiko Epson Corporation
- Hisao Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE DEVICE, AND PROJECTION...
- Publication number 20190110349
- Publication date Apr 11, 2019
- SEIKO EPSON CORPORATION
- Norikazu TSUKAHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE APPARATUS, AND PROJECT...
- Publication number 20180307131
- Publication date Oct 25, 2018
- SEIKO EPSON CORPORATION
- Atsushi YAMADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT EMISSION CONTROL CIRCUIT, LIGHT SOURCE APPARATUS, AND PROJECT...
- Publication number 20180180978
- Publication date Jun 28, 2018
- SEIKO EPSON CORPORATION
- Atsushi YAMADA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CIRCUIT DEVICE, ELECTRONIC DEVICE, AND DRIVE METHOD FOR RESONANT CI...
- Publication number 20170077822
- Publication date Mar 16, 2017
- SEIKO EPSON CORPORATION
- Norikazu TSUKAHARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CIRCUIT DEVICE, ELECTRONIC APPARATUS, AND POWER SUPPLY METHOD
- Publication number 20110121813
- Publication date May 26, 2011
- SEIKO EPSON CORPORATION
- Hisao SATO
- H03 - BASIC ELECTRONIC CIRCUITRY