Inventor
Masaki Sobu
Inventor
Tokyo, JP
Overview
Patents· 12 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 energy30%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution30%
H03HImpedance networks, e.g. resonant circuits11%
Y02TClimate change mitigation technologies related to transportation7%
C01BNon-metallic elements4%
C01GCompounds containing metals not covered by subclasses c01d or c01f4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
10,658,657Negative electrode active material, and negative electrode and lithium ion secondary battery using the negative electrode active material202010,243,204Negative electrode active material, and negative electrode and lithium ion secondary battery using the negative electrode active material20199,887,416'Negative electrode active material, and negative electrode and lithium ion secondary battery using the negative electrode active material'20189,825,295'Positive electrode active material and lithium-ion secondary battery'20179,620,777'Positive electrode and lithium ion secondary battery using thereof'20179,559,352'Active material, electrode using same, and lithium ion secondary battery'20179,093,712'Active material, manufacturing method for active material, and lithium ion secondary battery'20159,083,042'Negative electrode active material, electrode containing the same, and lithium ion secondary battery having the electrode'20157,760,615'Rewritable phase-change optical recording medium'20107,504,759'Surface acoustic wave element, surface acoustic wave device, duplexer, and method of making surface acoustic wave element'20097,411,333'Surface acoustic wave device'20087,352,114'Surface acoustic wave element, surface acoustic wave device, surface acoustic wave duplexer, and method of manufacturing surface acoustic wave element'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2020Patents assigned to TDK CORP (12)· patent assignee history
2008–2020Based in Tokyo, JP· patent location history
2015Patents assigned to KATO TOMOHIKO (1)· patent assignee history
2015Patents assigned to NOJIMA AKINOBU (1)· patent assignee history
2015Patents assigned to SANO ATSUSHI (1)· patent assignee history
2015Patents assigned to SOBU MASAKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 12 | 2008–2020 |
| KATO TOMOHIKO | 1 | 2015 |
| NOJIMA AKINOBU | 1 | 2015 |
| SANO ATSUSHI | 1 | 2015 |
| SOBU MASAKIself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 12 | 2008–2020 |