Inventor
TATSUO NAGATA
Inventor
JP
Overview
Patents· 6 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 energy25%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%
C22CAlloys21%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
B22FWorking metallic powder4%
C01BNon-metallic elements4%
C21DModifying the physical structure of ferrous metals4%
C25DProcesses for the electrolytic or electrophoretic production of coatings4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
12,494,533Battery case and method of production of same202512,334,563Ni-plated steel foil for nickel-hydrogen secondary battery current collector, nickel-hydrogen secondary battery current collector, and nickel-hydrogen secondary battery202512,199,277Negative electrode active material, negative electrode, and battery202512,100,844Stainless foil current collector for secondary battery positive electrodes202411,981,108Ni-plated steel sheet and manufacturing method thereof202411,387,449Negative electrode active material, negative electrode, and battery2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to NIPPON STEEL CORP (4)· patent assignee history
2022–2025Based in JP· patent location history
2024–2025Patents assigned to NIPPON STEEL CHEMICAL & MAT CO LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 4 | 2022–2025 |
| NIPPON STEEL CHEMICAL & MAT CO LTD | 2 | 2024–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 6 | 2022–2025 |