Inventor
Kentaro Nakahara
Inventor
Tokyo, JP
Overview
36→
Patents
1976–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy24%
Y02PClimate change mitigation technologies in the production or processing of goods9%
Y02TClimate change mitigation technologies related to transportation6%
C07DHeterocyclic compounds4%
H01GCapacitors4%
H04LTransmission of digital information, e.g. telegraphic communication4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
H01LSemiconductor devices3%
H04BTransmission3%
PatentTitleYear
10,848,271Communication unit and communication system202010,637,054Positive electrode material for lithium ion secondary batteries, and method for producing same202010,608,276Carbon material, anode material and spacer additive for lithium ion battery202010,601,043Electrochemically modified carbon material for lithium-ion battery202010,461,885Transmission apparatus, communication system, and transmission method201910,431,825Negative electrode for secondary battery, method for manufacturing same, and secondary battery using same201910,340,514Negative electrode for lithium ion secondary battery, and lithium ion secondary battery201910,211,929Intra-body communication device and method for eliminating inter-frame interference by randomizing transmissions time slot assignments201910,164,250Lithium-iron-manganese-based composite oxide and lithium-ion secondary battery using same201810,069,166Cyclic sulfonic acid ester compound, non-aqueous electrolyte solution, and lithium ion secondary battery using same20189,865,872'Lithium-ion battery and method for producing same'20189,812,735'Lithium ion secondary battery'20179,647,269'Electrode active material and secondary battery'20179,443,661'Power storage device having a nitroxyl polymer in a cathode and a lithium or lithium alloy anode'20169,356,292'Radical composition and battery using same'20169,287,533'Non-aqueous secondary battery, mounted unit, and method for manufacturing non-aqueous secondary battery'20169,012,773'Thiazole-based compound and uses thereof'20158,933,329'Maleimide-based compound, and tautomer or stereoisomer thereof, dye for photoelectric conversion, and semiconductor electrode, photoelectric conversion element and photoelectrochemical cell using the same'20158,895,849'Photoelectric conversion element, manufacturing method thereof, optical sensor, and solar cell'20148,728,662'Process for producing polyradical compound and battery cell'20148,617,744'Electricity storage device'20138,402,332'Reception apparatus, reception method and reception system'20138,385,480'Receiving apparatus and receiving method'20138,242,213'Method for manufacturing polyradical compound and battery'20127,642,011'Secondary battery with a radical compound active material'20107,544,441'Secondary battery having an active material radical compound'20097,476,465'Electrode active material and electrode using the electrode active material and battery using the electrode'20097,312,000'Electrolytic solution for secondary battery and secondary battery containing the same'20077,226,697'Electricity storage device'20077,122,277'Battery and battery electrode'20067,045,248'Secondary battery having radical compound electrode'20067,018,738'Electrode and battery using same'20066,893,775'Battery having active material containing neutral carbon radical compound'20056,866,964'Secondary battery'20054,780,180'Nonflammable paper'19883,972,972'Process for producing a board of cement-like material reinforced by fibrous material and apparatus for the process'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2020Based in Tokyo, JP· patent location history
1988Based in Chiba, JP· patent location history
2005–2020Patents assigned to NEC CORP (29)· patent assignee history
2006–2013Based in Minato-ku, JP· patent location history
2012–2018Patents assigned to NAKAHARA KENTARO (13)· patent assignee history
2012–2017Patents assigned to IWASA SHIGEYUKI (7)· patent assignee history
2012–2016Patents assigned to SUGURO MASAHIRO (5)· patent assignee history
2013–2019Patents assigned to SONY CORP (4)· patent assignee history
2019–2020Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 29 | 2005–2020 |
| NAKAHARA KENTAROself | 13 | 2012–2018 |
| IWASA SHIGEYUKI | 7 | 2012–2017 |
| SUGURO MASAHIRO | 5 | 2012–2016 |
| SONY CORP | 4 | 2013–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 29 | 1976–2020 |
| Kanagawa, JP | 3 | 2019–2020 |
| Minato-ku, JP | 3 | 2006–2013 |
| Chiba, JP | 1 | 1988 |