Inventor
Peter C. Leung
Inventor
Kwai Chung, HK
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%
C07CAcyclic or carbocyclic compounds13%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments13%
G05BControl or regulating systems in general13%
G08CTransmission systems for measured values, control or similar signals13%
H05BElectric heating13%
LOC2613%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1993Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1988Based in St. Paul, MN, US· patent location history
1993Patents assigned to HUNTER FAN CO (1)· patent assignee history
1993Based in Woodbury, MN, US· patent location history
1993Based in Kowloon, HK· patent location history
2011Patents assigned to RABBIT TANAKA INTERNAT LTD (1)· patent assignee history
2011Based in Kwai Chung, HK· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 2 | 1988–1993 |
| HUNTER FAN CO | 1 | 1993 |
| RABBIT TANAKA INTERNAT LTD | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kwai Chung, HK | 1 | 2011 |
| Woodbury, Minnesota, US | 1 | 1993 |
| Kowloon, HK | 1 | 1993 |
| St. Paul, Minnesota, US | 1 | 1988 |