Inventor
Shotaro Kitamura
Inventor
Tokyo, JP
Overview
Patents· 10 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 light47%
B82YSpecific uses or applications of nanostructures16%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
H01LSemiconductor devices5%
H10DInorganic electric semiconductor devices5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
11,087,986Semiconductor device manufacturing method and semiconductor device20218,477,819'Semiconductor laser diode device and method of fabrication thereof'20137,666,694'Method for manufacturing semiconductor laser device and semiconductor laser device'20107,633,986'Distributed feedback laser diode'20096,141,477'Semiconductor optical amplification element'20006,052,222'Semiconductor optical amplifier'20005,770,466'Semiconductor optical integrated circuits and method for fabricating the same'19985,659,565'Semiconductor optical device with mesa structure which is surrounded laterally by insulating mask for preventing current from leaking directly from cladding layer to substrate and process of fabrication thereof'19975,565,693'Semiconductor optical integrated circuits'19965,374,587'Method of manufacturing optical semiconductor element'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2000Patents assigned to NEC CORP (5)· patent assignee history
1994–2000Based in Tokyo, JP· patent location history
1997Based in Minato-ku, JP· patent location history
2009–2010Patents assigned to NEC ELECTRONICS CORP (2)· patent assignee history
2009–2013Based in Kanagawa, JP· patent location history
2013Patents assigned to KITAMURA SHOTARO (1)· patent assignee history
2013Patents assigned to RENESAS ELECTRONICS CORP (1)· patent assignee history
2021Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history
2021Based in Matsumoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 5 | 1994–2000 |
| NEC ELECTRONICS CORP | 2 | 2009–2010 |
| FUJI ELECTRIC CO LTD | 1 | 2021 |
| KITAMURA SHOTAROself | 1 | 2013 |
| RENESAS ELECTRONICS CORP | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 1994–2000 |
| Kanagawa, JP | 3 | 2009–2013 |
| Matsumoto, JP | 1 | 2021 |
| Minato-ku, JP | 1 | 1997 |