IDiyas

For the Inventor, By the Inventor

Kanagawa, Japan

Keigo Aga

USPTO Granted Patents = 7


Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 29(Granted Patents)


Location History:

  • Yokohama, JP (1991)
  • Kanagawa, JP (1990 - 2003)
  • Tokyo, JP (1995 - 2014)

Company Filing History:

goldMedal5 out of 58,129 
 
Sony Corporation
 patents
silverMedal2 out of 10,239 
 
Sumitomo Electric Industries, Limited
 patents

Years Active: 1990-2014

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7 patents (USPTO):
1. 8654810 - Light-emitting device and method of manufacturing the same (2014-02-18),
2. 6614820 - Semiconductor laser driving method and optical disc apparatus (2003-09-02),
3. 6580737 - Semiconductor laser driving method and optical disc apparatus (2003-06-17),
4. 6567440 - Semiconductor laser driving method and optical disc apparatus (2003-05-20),
5. 5428232 - Field effect transistor apparatus (1995-06-27),
6. 4985597 - Optical semiconductor device (1991-01-15),
7. 4955683 - Apparatus and a method for coupling an optically operative device with (1990-09-11),
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