Inventor
WEI CHANG CHENG
Inventor
TW
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices22%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1022%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices19%
B05BSpraying apparatus5%
B08BCleaning in general5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
B05CApparatus for applying fluent materials to surfaces, in general3%
B24BMachines, devices, or processes for grinding or polishing3%
C23CCoating metallic material3%
F16KValves3%
PatentTitleYear
12,429,775Dispensing nozzle design and dispensing method thereof202512,048,944Method of operating drippage prevention system202412,017,322Chemical mechanical polishing method202411,980,920Apparatus and methods for exhaust cleaning202411,959,864Photolithography method and photolithography system202411,703,761Temperature controlling apparatus202311,675,264Reticle cleaning system202311,599,026Dispensing nozzle design and dispensing method thereof202311,513,083Photolithography method and photolithography system2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (9)· patent assignee history
2022–2025Based in TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TAIWAN SEMICONDUCTOR MFG CO LTD | 9 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| TW | 9 | 2022–2025 |