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Yuichi Handa

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 335(Granted Patents)

Location History:

Tokyo, JP (1987 - 1989)
Atsugi, JP (1988 - 2001)

Company Filing History:

15 out of 90,631

Canon Kabushiki Kaisha

Years Active: 1987-2001

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6334014 - Optical fiber apparatus provided with demultiplexing/multiplexing unit on fiber's end portion, optical detecting apparatus provided with demultiplexing/multiplexing unit on its light receiving surface, and optical transmission system using the same (2001-12-25),

2. 6008675 - Polarization-mode selective semiconductor laser with a bending channel (1999-12-28),

3. 5926497 - Diffraction grating with alternately-arranged different regions, optical (1999-07-20),

4. 5901166 - Oscillation polarization mode selective semiconductor laser, light (1999-05-04),

5. 5862165 - Variable wavelength light source using a laser, wavelength control (1999-01-19),

6. 5379142 - Demultiplexing apparatus and optical communication system using the (1995-01-03),

7. 5369719 - Optical device with an optical coupler for effecting light branching (1994-11-29),

8. 5239600 - Optical device with an optical coupler for effecting light (1993-08-24),

9. 5239410 - Method and apparatus for light amplification exhibiting a flat gain (1993-08-24),

10. 4935930 - Laser light source for generating beam collimated in at least one (1990-06-19),

11. 4887255 - Integrated optical head (1989-12-12),

12. 4815027 - Optical operation apparatus for effecting parallel signal processing by (1989-03-21),

13. 4793675 - Element having light waveguides and method of making same (1988-12-27),

14. 4776661 - Integrated optical device (1988-10-11),

15. 4707059 - Integrated optical circuit element and method of making the same (1987-11-17),

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