AMANO, HIROSHI

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01S DEVICES USING STIMULATED EMISSION587
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 3359

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5889806 Group III nitride compound semiconductor laser diodesAug 08, 97Mar 30, 99[H01S]
5862167 Light-emitting semiconductor device using gallium nitride compoundMay 27, 97Jan 19, 99[H01S]
5604763 Group III nitride compound semiconductor laser diode and method for producing sameApr 19, 95Feb 18, 97[H01S]
5583879 Gallum nitride group compound semiconductor laser diodeApr 19, 95Dec 10, 96[H01L, H01S]
5389571 Method of fabricating a gallium nitride based semiconductor device with an aluminum and nitrogen containing intermediate layerApr 16, 93Feb 14, 95[H01L]
5247533 Gallium nitride group compound semiconductor laser diodeDec 26, 91Sep 21, 93[H01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6962828 Methods for manufacturing a light-emitting deviceExpiredNov 15, 00Nov 08, 05[H01L]
5905276 Light emitting semiconductor device using nitrogen-Group III compoundExpiredNov 06, 97May 18, 99[H01L]
5370738 Compound semiconductor vapor phase epitaxial deviceExpiredFeb 03, 93Dec 06, 94[C23C]

Top Inventors for This Owner

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