Inventor

KEYAN WANG

Inventor

Overview

3→

Patents

2025

Patent span

Physics

Primary field (CPC G)

Patents· 3 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%

C07CAcyclic or carbocyclic compounds10%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

G06TImage data processing or generation, in general10%

G06VImage or video recognition or understanding10%

G10LSpeech analysis techniques or speech synthesis10%

H04MTelephonic communication10%

H04NPictorial communication, e.g. television10%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers10%

Y02PClimate change mitigation technologies in the production or processing of goods10%

PatentTitleYear

12,418,747Method and apparatus for switching main microphone, voice detection method and apparatus for microphone, microphone-loudspeaker integrated device, and readable storage medium2025 12,331,007Use of a multidentate phosphite ligand in the catalytic synthesis of adiponitrile2025 12,328,506Photographing control method and apparatus, computer device and storage medium2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to ZHEJIANG HUACHUANG VISION TECH CO LTD (2)· patent assignee history

2025Patents assigned to ZHEJIANG NHU CO LTD (1)· patent assignee history

2025Patents assigned to ZHEJIANG NHU NYLON MAT CO LTD (1)· patent assignee history

2025Patents assigned to ZHEJIANG NHU SPECIAL MAT CO LTD (1)· patent assignee history

2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ZHEJIANG HUACHUANG VISION TECH CO LTD	2	2025
ZHEJIANG NHU CO LTD	1	2025
ZHEJIANG NHU NYLON MAT CO LTD	1	2025
ZHEJIANG NHU SPECIAL MAT CO LTD	1	2025

Locations

Location	Patents	Span
CN	3	2025