Inventor
Kyousuke Doumae
Inventor
Fukui, JP
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%
C01GCompounds containing metals not covered by subclasses c01d or c01f15%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds15%
Y02TClimate change mitigation technologies related to transportation15%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals8%
PatentTitleYear
10,847,788Lithium-iron-manganese-based composite oxide and lithium-ion secondary battery using same202010,535,875Positive electrode active material for lithium secondary battery, positive electrode for lithium secondary battery, and lithium secondary battery202010,164,250Lithium-iron-manganese-based composite oxide and lithium-ion secondary battery using same2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2020Patents assigned to TANAKA CHEMICAL CORP (3)· patent assignee history
2018–2020Patents assigned to NEC CORP (2)· patent assignee history
2018–2020Based in Fukui, JP· patent location history
2020Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TANAKA CHEMICAL CORP | 3 | 2018–2020 |
| NEC CORP | 2 | 2018–2020 |
| SUMITOMO CHEMICAL CO | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukui, JP | 3 | 2018–2020 |