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Inventor

Fei Hu

Inventor
Shenzhen, CN

Overview

5→
Patents
2021
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them50%
G02BOptical elements, systems or apparatus25%
H04NPictorial communication, e.g. television13%
LOC0613%
PatentTitleYear
11,003,064Display system and method202110,989,998Light source device and projection apparatus having light-combination device located at focus position of lenses202110,969,674Display system202110,908,489Light emitting device and projection system2021D0907398Play mat2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to APPOTRONICS CORP LTD (4)· patent assignee history
2021Patents assigned to SHENZHEN YOUHONGDI TECH CO LTD (1)· patent assignee history
2021Based in Shenzhen, CN· patent location history
2021Based in Guangdong, CN· patent location history
2021Based in Shaoyang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPOTRONICS CORP LTD42021
SHENZHEN YOUHONGDI TECH CO LTD12021
Locations
LocationPatentsSpan
Shenzhen, CN32021
Guangdong, CN12021
Shaoyang, CN12021