Inventor
Steven Holdcroft
Inventor
Pitt Meadows, CA
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds15%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
C08JWorking-up13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
B01DSeparation6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
10,800,874Poly(phenylene) and m-Terphenyl as protecting groups for benzimidazolium hydroxides202010,005,886Hydroxide-stable ionenes20189,748,594'Polymer of fluorine-containing sulfonated poly(arylene ether)s and method of manufacturing the same'20179,644,069'Polymer of fluorine-containing sulfonated poly(arylene ether)s and method of manufacturing the same'20179,511,362'Anion-conducting polymer'20169,315,630'Anion-conducting polymer'20169,209,472'Polymer of sulfonated poly(arylene ether)s and manufacturing method thereof'20159,018,336'Polymer of sulfonated poly(arlene ether)s and manufacturing method thereof'20158,987,407'Fuel cell catalyst layer having sulfonated poly(arylene ether)s and manufacturing method thereof'20156,765,027'Ion-exchange materials with improved ion conductivity'20045,561,030'Fabrication of electronically conducting polymeric patterns'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2020Patents assigned to UNIV FRASER SIMON (5)· patent assignee history
1996Based in Port Moody, CA· patent location history
2004Patents assigned to BALLARD POWER SYSTEMS (1)· patent assignee history
2004–2020Based in Pitt Meadows, CA· patent location history
2015Patents assigned to UNIV NAT SUN YAT SEN (3)· patent assignee history
2015–2017Based in Burnaby, CA· patent location history
2017Patents assigned to NAT SUN YAT-SEN UNIV (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV FRASER SIMON | 5 | 1996–2020 |
| UNIV NAT SUN YAT SEN | 3 | 2015 |
| NAT SUN YAT-SEN UNIV | 2 | 2017 |
| BALLARD POWER SYSTEMS | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pitt Meadows, CA | 5 | 2004–2020 |
| Burnaby, CA | 5 | 2015–2017 |
| Port Moody, CA | 1 | 1996 |