Inventor
Koichi Gen-Ei
Inventor
Ichikawa, JP
Overview
Patents· 7 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 light58%
B82YSpecific uses or applications of nanostructures25%
G02BOptical elements, systems or apparatus8%
G11BInformation storage based on relative movement between record carrier and transducer8%
PatentTitleYear
7,295,588'Semiconductor laser element, method of fabrication thereof, and multi-wavelength monolithic semiconductor laser device'20077,221,692'Semiconductor laser device and its manufacturing method'20077,164,701'Semiconductor laser and method for manufacturing the same'20076,804,276'Semiconductor laser device which removes influences from returning light of three beams and a method of manufacturing the same'20046,628,689'Semiconductor laser device and method of fabricating the same'20036,618,420'Monolithic multi-wavelength semiconductor laser unit'20035,229,879'Semiconductor laser amplifier'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2007Patents assigned to TOSHIBA KK (7)· patent assignee history
1993–2004Based in Ichikawa, JP· patent location history
2007Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 7 | 1993–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichikawa, JP | 4 | 1993–2004 |
| Chiba, JP | 3 | 2007 |