Inventor

CHI KIN SAMUEL KWOK

Inventor
CN

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.

F21Sprimary
F21SNon-portable lighting devices22%
A47GHousehold or table equipment15%
H01RElectrically-conductive connections15%
F21VFunctional features or details of lighting devices or systems thereof11%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems11%
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 emitted11%
H05BElectric heating11%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to POLYGROUP MACAU LTD BVI (7)· patent assignee history
2022–2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POLYGROUP MACAU LTD BVI72022–2025
Locations
LocationPatentsSpan
CN72022–2025