Inventor

CHENG-ANG CHANG

Inventor

Overview

10→

Patents

2023–2025

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 10 as inventor

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

F21Sprimary

F21SNon-portable lighting devices23%

F21VFunctional features or details of lighting devices or systems thereof23%

LOC2618%

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 emitted14%

G02BOptical elements, systems or apparatus14%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%

PatentTitleYear

12,480,648Multifunctional module device and lamp2025 D1073174Lampshade2025 D1036755Lamp2024 D1035093Lamp2024 11,959,623Connecting device and lamp system2024 D1021220Lamp2024 11,828,446Winding mechanism and lamp2023 11,680,699Lamp, lamp system, method for assembling lamp system, and method for disassembling lamp system2023 11,662,517Lamp and lamp system2023 11,567,257Lamp, lamp system, method for assembling lamp system, and method for disassembling lamp system2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to RADIANT OPTO ELECTRONICS CORP (10)· patent assignee history

2023Patents assigned to RADIANT OPTO ELECTRONICS SUZHOU CO LTD (2)· patent assignee history

2023–2025Based in TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RADIANT OPTO ELECTRONICS CORP	10	2023–2025
RADIANT OPTO ELECTRONICS SUZHOU CO LTD	2	2023

Locations

Location	Patents	Span
TW	10	2023–2025