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Guangdong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Photoelectric chip, manufacturing method and installation method
Patent number
11,894,471
Issue date
Feb 6, 2024
PHOGRAIN TECHNOLOGY (SHENZHEN) CO., LTD.
Yanwei Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photodetector, manufacturing method thereof, and lidar system
Patent number
11,749,772
Issue date
Sep 5, 2023
PHOGRAIN TECHNOLOGY (SHENZHEN) CO., LTD.
Yan Zou
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a decorative article with sealed decorative...
Patent number
8,652,385
Issue date
Feb 18, 2014
Okia Optical Company Ltd.
Yin Sang Lam
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
QUANTUM WELL STRUCTURE, CHIP PROCESSING METHOD, CHIP, AND LASER
Publication number
20230369829
Publication date
Nov 16, 2023
PHOGRAIN TECHNOLOGY (SHENZHEN) CO., LTD.
Yanwei YANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOTOELECTRIC DETECTOR, MANUFACTURING METHOD, AND LASER RADAR SYSTEM
Publication number
20210391490
Publication date
Dec 16, 2021
PHOGRAIN TECHNOLOGY (SHENZHEN) CO., LTD.
Yan ZOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOTOELECTRIC CHIP, MANUFACTURING METHOD AND INSTALLATION METHOD
Publication number
20210328080
Publication date
Oct 21, 2021
PHOGRAIN TECHNOLOGY (SHENZHEN) CO., LTD.
Yanwei YANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LAMINATE FOR EYEGLASS FRAME WITH EMBEDDED DESIGN PATTERN AND MANUFA...
Publication number
20100314034
Publication date
Dec 16, 2010
OKIA OPTICAL CO., LTD.
Yan Hui Zou
B44 - DECORATIVE ARTS
Information
Patent Application
EYEGLASS FRAME WITH EMBEDDED DESIGN PATTERN AND MANUFACTURING METHO...
Publication number
20090174860
Publication date
Jul 9, 2009
Okia Optical Company, Ltd.
Yin Sang Lam
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
LAMINATE FOR EYEGLASS FRAME WITH EMBEDDED DESIGN PATTERN AND MANUFA...
Publication number
20070254140
Publication date
Nov 1, 2007
OKIA OPTICAL CO., LTD.
Yan Hui Zou
B44 - DECORATIVE ARTS