LexDanaLexDanabeta
Inventor

Chao-Chun Chang

Inventor
Taipei, TW

Overview

5→
Patents
2019–2020
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

LOC16primary
LOC1638%
G02BOptical elements, systems or apparatus25%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
H02KDynamo-electric machines13%
H04NPictorial communication, e.g. television13%
PatentTitleYear
D0902981Driving unit for a camera lens2020D0902982Driving unit for a camera lens202010,764,475Driving mechanism2020D0891504Driving unit for a camera lens202010,509,193Driving mechanism2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to TDK TAIWAN CORP (5)· patent assignee history
2019–2020Based in Yangmei Taoyuan, TW· patent location history
2020Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK TAIWAN CORP52019–2020
Locations
LocationPatentsSpan
Taipei, TW32020
Yangmei Taoyuan, TW22019–2020