Inventor

Chan Sik Leung

Inventor
Kowloon, HK

Overview

12→
Patents
1999–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

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

F23Qprimary
F23QIgnition20%
G06FElectric digital data processing13%
G06KGraphical data reading13%
LOC1813%
F21VFunctional features or details of lighting devices or systems thereof7%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems7%
G11BInformation storage based on relative movement between record carrier and transducer7%
LOC067%
LOC107%
LOC267%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2001Patents assigned to CCL PRODUCTS ENTPR INC (5)· patent assignee history
1999–2001Based in Kowloon, HK· patent location history
2000Patents assigned to LEUNG CHAN SIK (1)· patent assignee history
2000–2001Based in Whampoa Garden, Kowloon, HK· patent location history
2014–2018Patents assigned to JOHN GIBSON ENTPR INC (3)· patent assignee history
2014Patents assigned to GIBSON JOHN (1)· patent assignee history
2014Patents assigned to LEUNG CHAN (1)· patent assignee history
2014–2018Based in Hong Kong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CCL PRODUCTS ENTPR INC51999–2001
JOHN GIBSON ENTPR INC32014–2018
GIBSON JOHN12014
LEUNG CHANself12014
LEUNG CHAN SIKself12000
Locations
LocationPatentsSpan
Kowloon, HK71999–2001
Hong Kong, CN32014–2018
Whampoa Garden, Kowloon, HK22000–2001