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Inventor

James Liu

Inventor
Beijing, CN

Overview

3→
Patents
1983–2021
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.

C30Bprimary
C30BSingle-crystal growth20%
F16KValves20%
H10DInorganic electric semiconductor devices20%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
11,131,395Double-plate gate valve and use of the same20217,102,864'Latch-up-free ESD protection circuit using SCR'20064,401,505'Method of increasing minority carrier lifetime in silicon web or the like'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to NASA (1)· patent assignee history
1983Based in Glendale, CA, US· patent location history
2006Patents assigned to KING BILLION ELECTRONICS CO LT (1)· patent assignee history
2006Based in Hsinchu, TW· patent location history
2021Patents assigned to BEIJING AEROSPACE PETROCHEMICAL TECH & EQUIPMENT ENGINEERING CORPORATION LIMITED (1)· patent assignee history
2021Patents assigned to BEIJING AEROSPACE PROP INST (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING AEROSPACE PETROCHEMICAL TECH & EQUIPMENT ENGINEERING CORPORATION LIMITED12021
BEIJING AEROSPACE PROP INST12021
KING BILLION ELECTRONICS CO LT12006
NASA11983
Locations
LocationPatentsSpan
Beijing, CN12021
Hsinchu, TW12006
Glendale, California, US11983