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Inventor

Fengrui Zhang

Inventor
Hubei, CN

Overview

4→
Patents
2008–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals13%
H01FMagnets13%
H01LSemiconductor devices13%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04NPictorial communication, e.g. television13%
H10KOrganic electric solid-state devices13%
LOC2313%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
PatentTitleYear
11,121,351Flexible display panel and preparation method thereof202110,924,774Live interactive system, method, device and computer readable storage medium2021D0840013Aromatherapy diffuser20197,377,985'Temper process of sintered Nd-Fe-B permanent magnet'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to SHANXI HUIQIANG MAGNETIC MATER (1)· patent assignee history
2008Based in Taiyuan, CN· patent location history
2019Patents assigned to ZHANG FENGRUI (1)· patent assignee history
2019Based in Guangdong, CN· patent location history
2021Patents assigned to TENCENT TECH SHENZHEN CO LTD (1)· patent assignee history
2021Patents assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (1)· patent assignee history
2021Based in Hubei, CN· patent location history
2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHANXI HUIQIANG MAGNETIC MATER12008
TENCENT TECH SHENZHEN CO LTD12021
WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD12021
ZHANG FENGRUIself12019
Locations
LocationPatentsSpan
Hubei, CN12021
Shenzhen, CN12021
Guangdong, CN12019
Taiyuan, CN12008