Inventor
Ryuichi Kasahara
Inventor
Tokyo, JP
Overview
20→
Patents
1997–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 20 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 distribution29%
H01GCapacitors15%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%
Y02PClimate change mitigation technologies in the production or processing of goods10%
Y02TClimate change mitigation technologies related to transportation8%
G01RMeasuring electric variables3%
G06FElectric digital data processing3%
H02JElectric power networks3%
Y10TTechnical subjects covered by former us classification3%
B29BPreparation or pretreatment of the material to be shaped2%
PatentTitleYear
10,374,219Lithium ion secondary battery20199,768,476'System and method for detecting a state of a lithium secondary battery by measuring a voltage of a negative electrode with respect to a reference electrode'20179,263,741'Negative electrode for nanaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery using the same, and method for manufacturing negative electrode for nonaqueous electrolyte secondary battery'20169,160,004'Lithium ion secondary battery'20159,076,995'Secondary battery'20159,018,916'Lithium secondary battery and control system therefor, and method for detecting state of lithium secondary battery'20158,956,762'Lithium ion secondary battery and method for manufacturing the same'20158,435,672'Lithium ion secondary battery'20136,843,810'Electric double layer capacitor and method for preparing the same'20056,751,084'Electric double layer capacitor and method for preparing the same'20046,741,450'Electric double-layer capacitor and method for preparing the same'20046,717,795'Electric double-layer capacitor, and process for producing the same'20046,625,007'Electric double layer capacitor of low ESR value and a method of fabricating same with low percent defective'20036,507,479'Electric double-layer capacitor having a laminated overcoat'20036,426,865'Electric double layer capacitor'20026,339,529'Electric double layer capacitor and method of forming the same'20026,320,740'Method for manufacturing a polarized electrode for an electric double-layer capacitor'20015,973,106'Acrylonitrile polymer compositions, method for producing the compositions, and method for producing shaped articles from the compositions'19995,681,512'Process for producing homogeneous phase melt of polyacrylonitrile'19975,674,975'Process for manufacturing an improved acrylonitrile polymer melt'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–1999Based in Okayama, JP· patent location history
2001–2019Patents assigned to NEC CORP (10)· patent assignee history
2001–2019Based in Tokyo, JP· patent location history
2004–2005Based in Miyagi, JP· patent location history
2013–2019Patents assigned to KASAHARA RYUICHI (8)· patent assignee history
2013–2019Patents assigned to NUMATA TATSUJI (7)· patent assignee history
2015–2019Patents assigned to IRIYAMA JIRO (7)· patent assignee history
2015–2017Patents assigned to KAJITA TETSUYA (5)· patent assignee history
2015Based in Minato-ku, JP· patent location history
2016Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 10 | 2001–2019 |
| KASAHARA RYUICHIself | 8 | 2013–2019 |
| IRIYAMA JIRO | 7 | 2015–2019 |
| NUMATA TATSUJI | 7 | 2013–2019 |
| KAJITA TETSUYA | 5 | 2015–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 2001–2019 |
| Miyagi, JP | 4 | 2004–2005 |
| Okayama, JP | 3 | 1997–1999 |
| Kanagawa, JP | 1 | 2016 |
| Minato-ku, JP | 1 | 2015 |