Inventor
Joseph Yan
Inventor
Vancouver, CA
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis27%
A61NElectrotherapy18%
B25JManipulators9%
G05BControl or regulating systems in general9%
H04MTelephonic communication9%
H04QSelecting9%
H04WWireless communication networks9%
LOC079%
PatentTitleYear
D0908423Bottle lid20217,027,799'Real time charging of delivery and receipt of short message service in a telecommunications network'20066,086,558'Balloon catheter for photodynamic therapy'20006,013,053'Balloon catheter for photodynamic therapy'20005,382,885'Motion scaling tele-operating system with force feedback suitable for microsurgery'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995Patents assigned to UNIV BRITISH COLUMBIA (1)· patent assignee history
1995–2000Based in Vancouver, CA· patent location history
2000Patents assigned to QLT PHOTO THERAPEUTICS INC (1)· patent assignee history
2000Patents assigned to QLT PHOTOTHERAPEUTICS INC (1)· patent assignee history
2006Patents assigned to ERICSSON TELEFON AB L M (1)· patent assignee history
2006Based in Montreal, CA· patent location history
2021Patents assigned to ZHEJIANG FEIJIAN TECH CO LTD (1)· patent assignee history
2021Based in Yongkang, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ERICSSON TELEFON AB L M | 1 | 2006 |
| QLT PHOTO THERAPEUTICS INC | 1 | 2000 |
| QLT PHOTOTHERAPEUTICS INC | 1 | 2000 |
| UNIV BRITISH COLUMBIA | 1 | 1995 |
| ZHEJIANG FEIJIAN TECH CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Vancouver, CA | 3 | 1995–2000 |
| Yongkang, CN | 1 | 2021 |
| Montreal, CA | 1 | 2006 |