Inventor
Mitsuru Ekawa
Inventor
Kawasaki, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light39%
B82YSpecific uses or applications of nanostructures21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%
G02BOptical elements, systems or apparatus7%
H10HInorganic light-emitting semiconductor devices having potential barriers7%
PatentTitleYear
8,987,117'Semiconductor optical integrated device and method for fabricating the same'20158,565,279'Semiconductor optical integrated device and method for fabricating the same'20137,924,896'Optical semiconductor device'20117,804,870'Semiconductor optical device and manufacturing method thereof'20107,482,617'Optical semiconductor device and fabrication method thereof'20096,853,661'Gain-coupled semiconductor laser device lowering blue shift'20056,376,338'Manufacturing method of a semiconductor device having a diffraction grating'20026,238,943'Optical semiconductor device and a method of manufacturing the same'20016,034,983'Method of fabricating compound semiconductor device and optical semiconductor device'20005,987,046'Optical semiconductor device and a method of manufacturing the same'19995,937,273'Fabricating compound semiconductor by varying ratio of stagnant layer thickness and mean free path of seed material'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2015Patents assigned to FUJITSU LTD (11)· patent assignee history
1999–2011Based in Kawasaki, JP· patent location history
2010Patents assigned to SUMITOMO ELECTRIC DEVICE INNOV (1)· patent assignee history
2013Patents assigned to EKAWA MITSURU (1)· patent assignee history
2013Patents assigned to OKUMURA SHIGEKAZU (1)· patent assignee history
2013Patents assigned to TOMABECHI SHUICHI (1)· patent assignee history
2013–2015Based in Isehara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 11 | 1999–2015 |
| EKAWA MITSURUself | 1 | 2013 |
| OKUMURA SHIGEKAZU | 1 | 2013 |
| SUMITOMO ELECTRIC DEVICE INNOV | 1 | 2010 |
| TOMABECHI SHUICHI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 9 | 1999–2011 |
| Isehara, JP | 2 | 2013–2015 |