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Inventor

Cheng-Hua Lee

Inventor
New Taipei, TW

Overview

5→
Patents
2001–2021
Patent span
LOC
Primary field

Patents· 5 as inventor

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

LOC03primary
LOC0333%
B24BMachines, devices, or processes for grinding or polishing17%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
LOC0717%
PatentTitleYear
D0915060Box for pills2021D0911020Pill organizer202110,882,995Azo compound and black dye composition including the same2021D0907236Drug grinder20216,315,649'Wafer mounting plate for a polishing apparatus and method of using'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to TAIWAN SEMICONDUCTOR MFG (1)· patent assignee history
2001Based in Hsinchu, TW· patent location history
2021Patents assigned to E LINK PLASTIC & METAL IND CO LTD (3)· patent assignee history
2021Patents assigned to UNIV NAT CHI NAN (1)· patent assignee history
2021Based in New Taipei, TW· patent location history
2021Based in Puli, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
E LINK PLASTIC & METAL IND CO LTD32021
TAIWAN SEMICONDUCTOR MFG12001
UNIV NAT CHI NAN12021
Locations
LocationPatentsSpan
New Taipei, TW32021
Puli, TW12021
Hsinchu, TW12001