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Inventor

Zhaogui Li

Inventor
Qingdao, CN

Overview

2→
Patents
2012–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Cprimary
E21CMining or quarrying33%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels33%
G11CStatic stores33%
PatentTitleYear
11,047,236Filling mining method for fully-mechanized top coal caving working face20218,169,834'Sense amplifier used in electrically erasable programmable read-only memory and the implementing method thereof'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to LI ZHAOGUI (1)· patent assignee history
2012Patents assigned to SHANGHAI HUAHONG NEC ELECT CO (1)· patent assignee history
2012Patents assigned to WANG NAN (1)· patent assignee history
2012Patents assigned to WANG ZI (1)· patent assignee history
2012Based in Shanghai, 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
LI ZHAOGUIself12012
SHANGHAI HUAHONG NEC ELECT CO12012
UNIV SHANDONG SCIENCE & TECH12021
WANG NAN12012
WANG ZI12012
Locations
LocationPatentsSpan
Qingdao, CN12021
Shanghai, CN12012