Inventor

IAN ERNAN LIU

Inventor
CN

Overview

5→
Patents
2022–2025
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.

G10Lprimary
G10LSpeech analysis techniques or speech synthesis45%
G01SRadio direction-finding27%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers18%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to AMAZON TECH INC (1)· patent assignee history
2022–2025Based in CN· patent location history
2023–2025Patents assigned to TENCENT TECH SHENZHEN CO LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TENCENT TECH SHENZHEN CO LTD42023–2025
AMAZON TECH INC12022
Locations
LocationPatentsSpan
CN52022–2025