Inventor

HO-YIN CHAN

Inventor
HK

Overview

4→
Patents
2021–2024
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Bprimary
A61BDiagnosis9%
A61LMethods or apparatus for sterilising materials or objects in general9%
A61NElectrotherapy9%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering9%
F21SNon-portable lighting devices9%
F21VFunctional features or details of lighting devices or systems thereof9%
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 emitted9%
G06FElectric digital data processing9%
G06KGraphical data reading9%
H04LTransmission of digital information, e.g. telegraphic communication9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD (1)· patent assignee history
2021Patents assigned to HONG KONG APPLIED SCIENCE AND TECH RESEARCH INSTITUTE COMPANY LIMTED (1)· patent assignee history
2021–2024Based in HK· patent location history
2022Patents assigned to ACOUSTIC ARC INTERNATIONAL LTD (1)· patent assignee history
2022Patents assigned to AIPHOTONICS LTD (1)· patent assignee history
2022Patents assigned to ALPHOTONICS LTD (1)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ACOUSTIC ARC INTERNATIONAL LTD12022
AIPHOTONICS LTD12022
ALPHOTONICS LTD12022
HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD12021
HONG KONG APPLIED SCIENCE AND TECH RESEARCH INSTITUTE COMPANY LIMTED12021
Locations
LocationPatentsSpan
HK32021–2024
CN12022