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Inventor

Yuan-Cheng Chang

Inventor
Daejeon, KR

Overview

3→
Patents
2017–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
C08JWorking-up11%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
C08LCompositions of macromolecular compounds11%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
G02BOptical elements, systems or apparatus11%
G06FElectric digital data processing11%
G11BInformation storage based on relative movement between record carrier and transducer11%
H05KPrinted circuits11%
PatentTitleYear
11,046,827Anti-reflective film and preparation method of the same202110,595,443Open-ended screwless positioning module of access apparatus20209,760,509'Memory storage device and control method thereof and memory control circuit unit and module'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to PHISON ELECTRONICS CORP (1)· patent assignee history
2017Based in Miaoli, TW· patent location history
2020Patents assigned to CHENBRO MICOM CO LTD (1)· patent assignee history
2020Based in New Taipei, TW· patent location history
2021Patents assigned to LG CHEMICAL LTD (1)· patent assignee history
2021Based in Daejeon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHENBRO MICOM CO LTD12020
LG CHEMICAL LTD12021
PHISON ELECTRONICS CORP12017
Locations
LocationPatentsSpan
Daejeon, KR12021
New Taipei, TW12020
Miaoli, TW12017