Inventor

CHIA-CHI LIU

Inventor
TW

Overview

7→
Patents
2022–2025
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere8%
F21SNon-portable lighting devices8%
F21VFunctional features or details of lighting devices or systems thereof8%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems8%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted8%
G08BSignalling systems, e.g. personal calling systems8%
H04BTransmission8%
H04NPictorial communication, e.g. television8%
H05BElectric heating8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to RICHTEK TECHNOLOGY CORP (2)· patent assignee history
2022Patents assigned to UNIV NAT TSING HUA (1)· patent assignee history
2022–2025Based in TW· patent location history
2024–2025Patents assigned to GOOGLE LLC (2)· patent assignee history
2024Patents assigned to MEDIATEK INC (1)· patent assignee history
2025Patents assigned to SILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GOOGLE LLC22024–2025
RICHTEK TECHNOLOGY CORP22022
MEDIATEK INC12024
SILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD12025
UNIV NAT TSING HUA12022
Locations
LocationPatentsSpan
TW62022–2025
CN12025