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Kazuhisa Kaede

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.5

ph-index = 10

Forward Citations = 196(Granted Patents)

Company Filing History:

9 out of 35,689

Nec Corporation

Nippon Electric Co., Ltd.

Years Active: 1981-1995

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5467213 - Optical trunk transmission system and an optical repeater circuit (1995-11-14),

2. 5392147 - Optical trunk transmission system and an optical repeater circuit (1995-02-21),

3. 5339185 - Optical timing extraction circuit (1994-08-16),

4. 5231529 - Light amplifier for multi-wavelength signals (1993-07-27),

5. 5202791 - Optical amplifying apparatus (1993-04-13),

6. 4973124 - Wavelength drop-and-insert device (1990-11-27),

7. 4835782 - Method and apparatus for an oscillation frequency separation among a (1989-05-30),

8. 4807227 - Optical wavelength-division switching system with coherent optical (1989-02-21),

9. 4669086 - Frequency-stabilized semiconductor laser oscillator (1987-05-26),

10. 4474425 - Planar, optical star coupler for optical fibers (1984-10-02),

11. 4425650 - Buried heterostructure laser diode (1984-01-10),

12. 4265513 - Light switch (1981-05-05),

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