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Patent applications and USPTO patent grants for Hirabayashi; Katsuhiko.The latest application filed is for "optical waveguide chip".
Patent | Date |
---|---|
Optical Waveguide Chip App 20220236482 - Katayose; Satomi ;   et al. | 2022-07-28 |
End Structure of a Waveguide App 20220091339 - Hirabayashi; Katsuhiko ;   et al. | 2022-03-24 |
Optical Fiber And Manufacturing Method Thereof App 20220075120 - Hirabayashi; Katsuhiko ;   et al. | 2022-03-10 |
Waveguide type optical interferometer circuit Grant 11,269,139 - Koshoubu , et al. March 8, 2 | 2022-03-08 |
Filling Resin and Optical Waveguide Circuit Filled with Filling Resin App 20210255395 - Hirabayashi; Katsuhiko ;   et al. | 2021-08-19 |
Method for Adjusting Transmitted Wavelength of Signal Light Transmitted Through Optical Waveguide Device App 20210240015 - Hirabayashi; Katsuhiko ;   et al. | 2021-08-05 |
Waveguide Type Optical Interferometer Circuit App 20200386943 - Koshoubu; Nobutatsu ;   et al. | 2020-12-10 |
Waveguide-type optical device and manufacturing method therefor Grant 6,766,082 - Hirabayashi , et al. July 20, 2 | 2004-07-20 |
Waveguide-type optical device and manufacturing method therefor App 20020076161 - Hirabayashi, Katsuhiko ;   et al. | 2002-06-20 |
Board-to-board and unit-to-unit optical interconnection system Grant 5,920,664 - Hirabayashi , et al. July 6, 1 | 1999-07-06 |
Liquid crystal microprism array, free-space optical interconnector, and optical switch Grant 5,648,859 - Hirabayashi , et al. July 15, 1 | 1997-07-15 |
Liquid crystal Fabry-Perot etalon with glass spacer Grant 5,321,539 - Hirabayashi , et al. June 14, 1 | 1994-06-14 |
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