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Kanagawa, Japan

Keigo Aga

USPTO Granted Patents = 7

CIPO Patents = 1

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:

5 out of 58,130

Sony Corporation

2 out of 10,250

Sumitomo Electric Industries, Limited

Years Active: 1990-2014

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

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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