Inventor
Grace S. Chang
Inventor
Watertown, MA, US
Overview
Patents· 3 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 energy23%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution23%
Y10TTechnical subjects covered by former us classification23%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form15%
Y02PClimate change mitigation technologies in the production or processing of goods15%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2013Patents assigned to A123 SYSTEMS INC (3)· patent assignee history
2011–2013Based in Watertown, MA, US· patent location history
2012–2013Patents assigned to CHANG GRACE S (2)· patent assignee history
2012Patents assigned to GARDNER WILLIAM H (1)· patent assignee history
2013Patents assigned to CHU ANDREW C (1)· patent assignee history
2013Patents assigned to DAFOE DONALD G (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| A123 SYSTEMS INC | 3 | 2011–2013 |
| CHANG GRACE Sself | 2 | 2012–2013 |
| CHU ANDREW C | 1 | 2013 |
| DAFOE DONALD G | 1 | 2013 |
| GARDNER WILLIAM H | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Watertown, Massachusetts, US | 3 | 2011–2013 |