AKIYOSHI YAMAGUCHI

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Patents Grantslast 30 patents

Information Patent Grant
Projection image apparatus and method of controlling the same
- Patent number 11,417,249
- Issue date Aug 16, 2022
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Akiyoshi Yamaguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light source modulation circuit, light source modulation method, an...
- Patent number 10,205,529
- Issue date Feb 12, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takaaki Gyoten
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection image display apparatus
- Patent number 10,091,477
- Issue date Oct 2, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Akiyoshi Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical path changing device and projection image display apparatus
- Patent number 9,823,466
- Issue date Nov 21, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takaaki Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Video projection device and method with control of light source bas...
- Patent number 9,380,278
- Issue date Jun 28, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Akiyoshi Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION IMAGE APPARATUS AND METHOD OF CONTROLLING THE SAME
- Publication number 20210335159
- Publication date Oct 28, 2021
- Panasonic Intellectual Property Management Co., Ltd.
- Akiyoshi YAMAGUCHI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LIGHT SOURCE MODULATION CIRCUIT, LIGHT SOURCE MODULATION METHOD, AN...
- Publication number 20180367218
- Publication date Dec 20, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- Takaaki GYOTEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTION IMAGE DISPLAY APPARATUS
- Publication number 20170019648
- Publication date Jan 19, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- AKIYOSHI YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PATH CHANGING DEVICE AND PROJECTION IMAGE DISPLAY APPARATUS
- Publication number 20170003579
- Publication date Jan 5, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- TAKAAKI ABE
- G02 - OPTICS
Information Patent Application
VIDEO PROJECTION DEVICE AND VIDEO PROJECTION METHOD
- Publication number 20140198261
- Publication date Jul 17, 2014
- PANASONIC CORPORATION
- Akiyoshi YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE