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Inventor

Da Chen

Inventor
Qingdao, CN

Overview

2→
Patents
2012–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Lprimary
H01LSemiconductor devices20%
H03HImpedance networks, e.g. resonant circuits20%
H04LTransmission of digital information, e.g. telegraphic communication20%
H04MTelephonic communication20%
H10NElectric solid-state devices not otherwise provided for20%
PatentTitleYear
10,979,013Method of manufacturing piezoelectric thin film resonator on non-silicon substrate20218,326,262'Advice of charging method, system and mobile terminal'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to CHEN DAGANG (1)· patent assignee history
2012Patents assigned to DUAN HAIFENG (1)· patent assignee history
2012Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2012Patents assigned to LI YIMIN (1)· patent assignee history
2012Based in Shenzhen, CN· patent location history
2021Patents assigned to UNIV SHANDONG SCIENCE & TECH (1)· patent assignee history
2021Based in Qingdao, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEN DAGANGself12012
DUAN HAIFENG12012
HUAWEI TECH CO LTD12012
LI YIMIN12012
UNIV SHANDONG SCIENCE & TECH12021
Locations
LocationPatentsSpan
Qingdao, CN12021
Shenzhen, CN12012