Inventor

LONGYIN CHEN

Inventor

Overview

3→

Patents

2024–2025

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 3 as inventor

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

H05Bprimary

H05BElectric heating33%

F21SNon-portable lighting devices17%

F21VFunctional features or details of lighting devices or systems thereof17%

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 emitted17%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%

PatentTitleYear

12,207,366Lighting device control device having color temperature adjusting function2025 12,133,309Lighting device having replaceable intelligent sensor2024 11,965,646Ultra-thin downlight with enhanced thermal dissipation performance2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to XIAMEN PVTECH CO LTD (3)· patent assignee history

2024–2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XIAMEN PVTECH CO LTD	3	2024–2025

Locations

Location	Patents	Span
CN	3	2024–2025