Yufei MEI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection display device
- Patent number 11,982,932
- Issue date May 14, 2024
- LIGHT SHOW TECHNOLOGY CO., LTD.
- Akihiro Yamakage
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device and projection type display apparatus
- Patent number 10,634,981
- Issue date Apr 28, 2020
- LIGHT SHOW TECHNOLOGY CO., LTD.
- Akihiro Yamakage
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device and projection type display apparatus
- Patent number 10,372,028
- Issue date Aug 6, 2019
- LIGHT SHOW TECHNOLOGY CO., LTD.
- Akihiro Yamakage
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION DISPLAY DEVICE
- Publication number 20230324779
- Publication date Oct 12, 2023
- Light Show Technology Co., LTD.
- Akihiro YAMAKAGE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY APPARATUS
- Publication number 20190212640
- Publication date Jul 11, 2019
- Light Show Technology Co., LTD.
- Akihiro YAMAKAGE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY APPARATUS
- Publication number 20180314141
- Publication date Nov 1, 2018
- Light Show Technology Co., LTD.
- Akihiro YAMAKAGE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY