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Inventor

Haijun Song

Inventor
Shanghai, CN

Overview

3→
Patents
2018–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices40%
G06FElectric digital data processing20%
G11CStatic stores20%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
PatentTitleYear
11,068,340Semiconductor memory devices and memory systems202110,782,615Silicon wafer processing device and method20209,857,702'Focusing leveling device'2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to SHANGHAI MICRO ELECTRONICS EQUIPMENT (GROUP) CO LTD (1)· patent assignee history
2018Patents assigned to SHANGHAI MICROELECTRONICS EQUI (1)· patent assignee history
2018–2020Based in Shanghai, CN· patent location history
2020Patents assigned to SHANGHAI MICRO ELECTRONICS EQUIPMENT GROUP CO LTD (1)· patent assignee history
2021Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history
2021Based in Hwaseong-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG ELECTRONICS CO LTD12021
SHANGHAI MICRO ELECTRONICS EQUIPMENT (GROUP) CO LTD12018
SHANGHAI MICRO ELECTRONICS EQUIPMENT GROUP CO LTD12020
SHANGHAI MICROELECTRONICS EQUI12018
Locations
LocationPatentsSpan
Shanghai, CN22018–2020
Hwaseong-si, KR12021