Inventor
Ionel C. Stefan
Inventor
San Jose, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
H01BCables12%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C01BNon-metallic elements10%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%
C04BLime, magnesia10%
Y02PClimate change mitigation technologies in the production or processing of goods5%
B82YSpecific uses or applications of nanostructures2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
RE048084Nanostructured catalyst supports202010,490,817Nanostructured materials for battery applications2019RE046921Nanostructured catalyst supports2018RE045703'Nanostructured catalyst supports'20159,040,208'Catalyst layer for fuel cell membrane electrode assembly, fuel cell membrane electrode assembly using the catalyst layer, fuel cell, and method for producing the catalyst layer'20159,006,133'Electrochemical catalysts for fuel cells'20158,278,011'Nanostructured catalyst supports'20127,842,432'Nanowire structures comprising carbon'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2015Based in Hayward, CA, US· patent location history
2012–2019Patents assigned to QIAN BAIXIN (4)· patent assignee history
2012–2019Patents assigned to STEFAN IONEL C (4)· patent assignee history
2012–2019Patents assigned to ZHU YIMIN (4)· patent assignee history
2012–2019Patents assigned to GOLDMAN JAY L (3)· patent assignee history
2015–2020Based in San Jose, CA, US· patent location history
2018–2020Patents assigned to ONED MAT LLC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QIAN BAIXIN | 4 | 2012–2019 |
| STEFAN IONEL Cself | 4 | 2012–2019 |
| ZHU YIMIN | 4 | 2012–2019 |
| GOLDMAN JAY L | 3 | 2012–2019 |
| ONED MAT LLC | 3 | 2018–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 5 | 2015–2020 |
| Hayward, California, US | 3 | 2010–2015 |