Inventor
Nobuaki Hatori
Inventor
Tsukuba, JP
Overview
Patents· 26 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 light32%
B82YSpecific uses or applications of nanostructures25%
G02BOptical elements, systems or apparatus18%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H01LSemiconductor devices4%
B05DProcesses for applying fluent materials to surfaces, in general2%
H04BTransmission2%
H10DInorganic electric semiconductor devices2%
PatentTitleYear
10,958,036Semiconductor light-emitting device and optical device20219,964,704Spot size converter, light source, optical transmitter, optical receiver and optical transmitter-receiver20189,904,011'Optical waveguide, optical interposer and light source'20189,871,347'Semiconductor light emitting device and optical transceiver'20189,612,411'Semiconductor optical waveguide device with an anti-reflection diffraction grating formed on both lateral sides of a core layer along a direction of optical propagation'20179,429,706'Optical waveguide coupler and method for manufacturing same'20169,297,956'Optical device, optical transmitter, optical receiver, optical transceiver, and method of manufacturing optical device'20169,235,000'Optical semiconductor apparatus'20169,195,001'Spot size converter, optical transmitter, optical receiver, optical transceiver, and method of manufacturing spot size converter'20159,151,894'Light source circuit and light source device equipped with same'20159,130,352'Optical semiconductor device, light emitting device, optical transmitting device, and method of manufacturing optical semiconductor device'20159,128,240'Spot-size converter, manufacturing method thereof, and integrated optical circuit device'20158,906,721'Semiconductor light emitting device and method for manufacturing the same'20148,891,578'Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture method'20148,802,468'Semiconductor light emitting device and fabrication method for semiconductor light emitting device'20148,729,526'Optical semiconductor device and method of manufacturing optical semiconductor device'20148,483,252'Semiconductor light emitting device and fabrication method for semiconductor light emitting device'20138,304,757'Semiconductor light-emitting device, optical module, transmitter, and optical communication system'20128,232,125'Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture method'20127,835,418'Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture method'20107,738,523'Optical semiconductor device having diffraction grating'20107,573,060'Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture method'20097,522,647'Semiconductor laser and method of fabricating the same'20097,081,983'Wavelength conversion device'20066,867,057'Method of manufacturing a semiconductor laser'20056,628,691'Laser diode'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2021Patents assigned to FUJITSU LTD (26)· patent assignee history
2003–2014Based in Kawasaki, JP· patent location history
2005Based in Meguro-ku, JP· patent location history
2009–2018Patents assigned to UNIV TOKYO (10)· patent assignee history
2009–2015Based in Kanagawa, JP· patent location history
2012–2014Patents assigned to HATORI NOBUAKI (5)· patent assignee history
2012–2014Patents assigned to YAMAMOTO TSUYOSHI (4)· patent assignee history
2015–2018Patents assigned to NEC CORP (11)· patent assignee history
2015–2021Based in Tsukuba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 26 | 2003–2021 |
| NEC CORP | 11 | 2015–2018 |
| UNIV TOKYO | 10 | 2009–2018 |
| HATORI NOBUAKIself | 5 | 2012–2014 |
| YAMAMOTO TSUYOSHI | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tsukuba, JP | 11 | 2015–2021 |
| Kanagawa, JP | 9 | 2009–2015 |
| Kawasaki, JP | 5 | 2003–2014 |
| Meguro-ku, JP | 1 | 2005 |