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Koji Otsuka

USPTO Granted Patents = 15

Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 119(Granted Patents)

Location History:

Kawagoe, JP (2010)
Saitama, JP (2011)
Niiza, JP (2007 - 2013)

Company Filing History:

Sanken Electric Co., Ltd.

Years Active: 2007-2013

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8608350 - Lighting device (2013-12-17),

2. 8089078 - Light emitting device (2012-01-03),

3. 7923738 - LED array for microdisplays or like application (2011-04-12),

4. 7745850 - Nitride-based semiconductor device with reduced leakage current (2010-06-29),

5. 7714360 - Surface-stabilized semiconductor device (2010-05-11),

6. 7692298 - III-V nitride semiconductor device comprising a concave shottky contact and an ohmic contact (2010-04-06),

7. 7675076 - Nitride-based semiconductor device of reduced voltage drop (2010-03-09),

8. 7675070 - LED having a reflector layer of improved contact ohmicity (2010-03-09),

9. 7671375 - Nitride-based semiconductor device of reduced voltage drop, and method of fabrication (2010-03-02),

10. 7518154 - Nitride semiconductor substrate and semiconductor element built thereon (2009-04-14),

11. 7491983 - Nitride-based semiconductor device of reduced current leakage (2009-02-17),

12. 7456435 - Light-emitting semiconductor device (2008-11-25),

13. 7400000 - Nitride-based semiconductor device (2008-07-15),

14. 7186620 - Method of making substrates for nitride semiconductor devices (2007-03-06),

15. 7173311 - Light-emitting semiconductor device with a built-in overvoltage protector (2007-02-06),

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