Inventor
Shigenobu Sekine
Inventor
Tokyo, JP
Overview
Patents· 44 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
H01LSemiconductor devices13%
B22FWorking metallic powder9%
H05KPrinted circuits8%
H01BCables7%
Y10TTechnical subjects covered by former us classification6%
B23KSoldering or unsoldering5%
H01FMagnets5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
C22CAlloys3%
PatentTitleYear
10,906,136Joint structure202110,629,506Preform for semiconductor encapsulation202010,507,551Metal particle and articles formed therefrom201910,478,924Metal particle and electroconductive paste formed therefrom201910,468,376Semiconductor device and method for manufacturing the same201910,016,848Metal particles having intermetallic compound nano-composite structure crystal20189,950,496Multi-layer preform sheet20189,950,925Method for forming functional part in minute space20189,924,592'Three-dimensional laminated circuit board, electronic device, information processing system, and information network system'20189,735,074'Semiconductor device'20179,730,325'Substrate with built-in passive element'20179,704,793'Substrate for electronic device and electronic device'20179,691,519'Insulating paste, electronic device and method for forming insulator'20179,685,394'Electronic device and manufacturing method therefor'20179,515,044'Electronic device, method of manufacturing the same, metal particle, and electroconductive paste'20169,460,965'Semiconductor substrate, eletronic device and method for manufacturing the same'20169,349,720'Integrated circuit device'20169,339,871'Method for producing spherical particles, having nanometer size, crystalline structure, comprising providing a swirling plasma gas flow'20169,293,416'Functional material'20169,230,860'Semiconductor substrate, electronic device and method for manufacturing the same'20169,142,518'Junction and electrical connection'20159,076,786'Wiring substrate and manufacturing method therefor'20158,766,312'Light-emitting device comprising vertical conductors and through electrodes and method for manufacturing the same'20148,758,900'Spherical particles having nanometer size, crystalline structure, and good sphericity and method for producing the same'20148,759,211'Electronic device, conductive composition, metal filling apparatus, and electronic device manufacturing method'20148,609,999'Circuit board, electronic device and method for manufacturing the same'20138,580,581'Substrate for electronic device, stack for electronic device, electronice device, and method for manufacturing the same'20138,569,632'Wiring board having through hole or non-through hole, and method for producing the same'20138,415,784'Electronic device, conductive composition, metal filling apparatus, and electronic device manufacturing method'20138,377,565'Filling material and filling method using the same'20138,217,403'Electronic device'20128,217,280'Circuit board, electronic device and method for manufacturing the same'20128,079,131'Method for filling metal into fine space'20117,910,837'Circuit board, electronic device and method for manufacturing the same'20117,842,958'Light-emitting diode, light-emitting device, lighting apparatus, display, and signal light'20107,803,210'Method for producing spherical particles having nanometer size, crystalline structure, and good sphericity'20107,781,382'Lubricant composition and bearing structure'20107,736,585'Metal powder with nano-composite structure and its production method using a self-assembling technique'20107,547,346'Metal powder with nano-composite structure and its production method using a self assembling technique'20096,368,551'Method for preparation of sintered permanent magnet'20026,103,021'Method of preparing raw material powder for permanent magnets superior in moldability'20006,051,077'Raw material powder for modified permanent magnets and production method of the same'20005,942,053'Composition for permanent magnet'19995,865,873'Method of preparing raw material powder for permanent magnets superior in moldability'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2002Patents assigned to SANEI KASEI CO LTD (5)· patent assignee history
1999–2021Based in Tokyo, JP· patent location history
1999–2014Based in Katsushika-ku, JP· patent location history
2009–2021Patents assigned to NAPRA CO LTD (39)· patent assignee history
2011–2017Patents assigned to SEKINE SHIGENOBU (13)· patent assignee history
2011–2017Patents assigned to SEKINE YURINA (13)· patent assignee history
2012–2017Patents assigned to KUWANA YOSHIHARU (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAPRA CO LTD | 39 | 2009–2021 |
| SEKINE SHIGENOBUself | 13 | 2011–2017 |
| SEKINE YURINA | 13 | 2011–2017 |
| KUWANA YOSHIHARU | 7 | 2012–2017 |
| SANEI KASEI CO LTD | 5 | 1999–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 35 | 1999–2021 |
| Katsushika-ku, JP | 9 | 1999–2014 |