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Inventor

Qiumei NIE

Inventor
CN

Overview

2→
Patents
2021–2022
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus25%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
C08JWorking-up13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments13%
PatentTitleYear
11,256,008Laser protective film and laser protective device comprising the same202211,175,436Dye-doped laser protective film2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2022Patents assigned to ACAD SHENZHEN GUOHUA OPTOELECTRONICS (2)· patent assignee history
2021–2022Patents assigned to SHENZHEN GUOHUA OPTOELECTRONICS CO LTD (2)· patent assignee history
2021–2022Patents assigned to UNIV SOUTH CHINA NORMAL (2)· patent assignee history
2021–2022Based in CN· patent location history
2022Patents assigned to SOUTH CHINA NORMAL UNIV ELECTRONIC PAPER DISPLAY INSTITUTE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ACAD SHENZHEN GUOHUA OPTOELECTRONICS22021–2022
SHENZHEN GUOHUA OPTOELECTRONICS CO LTD22021–2022
UNIV SOUTH CHINA NORMAL22021–2022
SOUTH CHINA NORMAL UNIV ELECTRONIC PAPER DISPLAY INSTITUTE12022
Locations
LocationPatentsSpan
CN22021–2022