Inventor
David P. Johnson
Inventor
Brooklyn Park, MN, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Lprimary
A61LMethods or apparatus for sterilising materials or objects in general23%
A61MDevices for introducing media into, or onto, the body23%
C08LCompositions of macromolecular compounds23%
A61FFilters implantable into blood vessels15%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
PatentTitleYear
10,400,101Biocompatible polycarbonate and radiopaque polymer compositions and methods of manufacturing medical devices with same201910,238,776Hydrophobic catheter and composition20199,913,933'Multilayered catheter shaft containing polyvinylidene fluoride polymers'20188,647,323'Catheter shaft with multiple reinforcing layers and method of its manufacture'20145,609,640'Patella prostheses'19975,562,668'Tension device for anchoring ligament grafts'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Based in Failand, Bristol BS8 3UL, GB· patent location history
1997Based in Chew Magna, GB· patent location history
2014–2019Patents assigned to GUO XIAOPING (2)· patent assignee history
2014Patents assigned to JOHNSON DAVID (1)· patent assignee history
2014–2019Based in Brooklyn Park, MN, US· patent location history
2019Patents assigned to ST JUDE MEDICAL ATRIAL FIBRILLATION DIV INC (2)· patent assignee history
2019Patents assigned to ARMSTRONG KAREN L (1)· patent assignee history
2019Patents assigned to JOHNSON DAVID P (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GUO XIAOPING | 2 | 2014–2019 |
| ST JUDE MEDICAL ATRIAL FIBRILLATION DIV INC | 2 | 2019 |
| ARMSTRONG KAREN L | 1 | 2019 |
| JOHNSON DAVIDself | 1 | 2014 |
| JOHNSON DAVID Pself | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brooklyn Park, Minnesota, US | 4 | 2014–2019 |
| Chew Magna, GB | 1 | 1997 |
| Failand, Bristol BS8 3UL, GB | 1 | 1996 |