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Hirabayashi; Katsuhiko Patent Filings

Hirabayashi; Katsuhiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hirabayashi; Katsuhiko.The latest application filed is for "optical waveguide chip".

Company Profile
1.5.7
  • Hirabayashi; Katsuhiko - Musashino-shi Tokyo
  • Hirabayashi; Katsuhiko - Atsugi JP
  • Hirabayashi; Katsuhiko - Atsugi-shi Kanagawa-ken
  • Hirabayashi; Katsuhiko - Tokyo JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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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