Inventor
Kazuaki Ootsuka
Inventor
Yokosuka, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers23%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1023%
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
H05BElectric heating10%
Y10TTechnical subjects covered by former us classification10%
C01BNon-metallic elements5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
C08LCompositions of macromolecular compounds3%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
8,107,807'Lighting device, image pickup apparatus and portable terminal unit'20127,923,740'Light emission device'20117,838,311'Process for producing light-emitting semiconductor device'20107,799,245'Fluorescent substance and light-emitting device using the same'20107,635,438'Luminescent material'20097,601,277'Fluorescent substance and light-emitting device using the same'20097,572,391'Fluorescent substance and light-emitting device using the same'20097,498,736'Luminescent material'20097,468,147'Fluorescent substance and light-emitting device using the same'20087,414,272'Fluorescent substance containing nitrogen, method for manufacturing the same, and light-emitting device'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2012Patents assigned to TOSHIBA KK (10)· patent assignee history
2008–2011Patents assigned to TOSHIBA MATERIALS CO LTD (6)· patent assignee history
2008–2009Patents assigned to TOSHIBA LIGHTING & TECHNOLOGY (2)· patent assignee history
2008–2012Based in Yokosuka, JP· patent location history
2011Based in Kanagawa, JP· patent location history
2012Patents assigned to AMANO AKIO (1)· patent assignee history
2012Patents assigned to FURUYAMA HIDETO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 10 | 2008–2012 |
| TOSHIBA MATERIALS CO LTD | 6 | 2008–2011 |
| TOSHIBA LIGHTING & TECHNOLOGY | 2 | 2008–2009 |
| AMANO AKIO | 1 | 2012 |
| FURUYAMA HIDETO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokosuka, JP | 9 | 2008–2012 |
| Kanagawa, JP | 1 | 2011 |