Inventor
Qichang CAI
Inventor
CN
Overview
Patents· 4 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 energy44%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution44%
Y02PClimate change mitigation technologies in the production or processing of goods11%
PatentTitleYear
12,542,319Secondary battery202612,261,307End cover assembly, battery cell, battery and method and device for manufacturing battery cell202512,100,867End cover assembly, secondary battery, battery module, appratus, liquid-injection method and device202411,777,184End cover assembly, secondary battery, battery module, apparatus, liquid-injection method and device2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2024Patents assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (2)· patent assignee history
2023–2026Based in CN· patent location history
2025–2026Patents assigned to CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONTEMPORARY AMPEREX TECHNOLOGY CO LTD | 2 | 2023–2024 |
| CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD | 2 | 2025–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2023–2026 |