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Inventor

Chao Liu

Inventor
Tianjin, CN

Overview

3→
Patents
2015–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

B62Bprimary
B62BHand-propelled vehicles, e.g. hand carts or perambulators20%
H01LSemiconductor devices20%
H04LTransmission of digital information, e.g. telegraphic communication20%
H04WWireless communication networks20%
H10HInorganic light-emitting semiconductor devices having potential barriers20%
PatentTitleYear
10,930,815Light emitting device202110,924,558Network function information interaction method and device, and computer storage medium20219,126,611'Handcart'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to LIU CHI KEUNG (1)· patent assignee history
2015Based in Yuen Long, CN· patent location history
2021Patents assigned to CHINA MOBILE COMM CO LTD RES INST (1)· patent assignee history
2021Patents assigned to CHINA MOBILE COMMUNICATIONS GROUP CO LTD (1)· patent assignee history
2021Patents assigned to XIAMEN SANAN OPTOELECTRONICS CO LTD (1)· patent assignee history
2021Based in Tianjin, CN· patent location history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA MOBILE COMM CO LTD RES INST12021
CHINA MOBILE COMMUNICATIONS GROUP CO LTD12021
LIU CHI KEUNGself12015
XIAMEN SANAN OPTOELECTRONICS CO LTD12021
Locations
LocationPatentsSpan
Tianjin, CN12021
Beijing, CN12021
Yuen Long, CN12015