Inventor
SHIKAMA KOTA
JP36 patents
Patents
36 patentsUS11493705B2Nov 8, 2022
Connection structure of optical waveguide chips
NIPPON TELEGRAPH & TELEPHONE11 citations85
US11036015B2Jun 15, 2021
Connection structure of optical waveguide chips
NIPPON TELEGRAPH & TELEPHONE12 citations85
US12276847B2Apr 15, 2025
Optical connecting component and optical connecting structure
NIPPON TELEGRAPH & TELEPHONE2 citations75
US12061361B2Aug 13, 2024
Optical fiber connecting structure
NIPPON TELEGRAPH & TELEPHONE2 citations73
US11789215B2Oct 17, 2023
Optical connector and optical connecting structure
NIPPON TELEGRAPH & TELEPHONE2 citations73
US11747577B2Sep 5, 2023
Waveguide connection structure, waveguide chip, connector, and method of manufacturing waveguide connection component, and waveguide connecting method
NIPPON TELEGRAPH & TELEPHONE2 citations73
US11385409B2Jul 12, 2022
Connection structure for optical waveguide chip
NIPPON TELEGRAPH & TELEPHONE5 citations72
US11966082B2Apr 23, 2024
Optical circuit and optical connection structure
NIPPON TELEGRAPH & TELEPHONE2 citations71
US11934010B2Mar 19, 2024
Optical connection structure
NIPPON TELEGRAPH & TELEPHONE2 citations71
US11422321B2Aug 23, 2022
Optical fiber connection component and optical device manufacturing method
NIPPON TELEGRAPH & TELEPHONE2 citations71
US11415761B2Aug 16, 2022
Optical fiber guide component, optical connection structure and method for producing same
NIPPON TELEGRAPH & TELEPHONE3 citations71
US12204148B2Jan 21, 2025
Optical connecting device, optical device, and method for manufacturing optical device
NIPPON TELEGRAPH & TELEPHONE0 citations62
US12105332B2Oct 1, 2024
Wavelength checker
NIPPON TELEGRAPH & TELEPHONE0 citations62
US12092869B2Sep 17, 2024
Optical connection component and optical connection structure
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11934011B2Mar 19, 2024
Optical connecting structure
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11747557B2Sep 5, 2023
Wavelength checker
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11693179B2Jul 4, 2023
Wavelength checker
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11480732B2Oct 25, 2022
Optical connection structure
NIPPON TELEGRAPH & TELEPHONE1 citations62
US11448839B2Sep 20, 2022
Optical connection structure
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11977265B2May 7, 2024
Optical device
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11934022B2Mar 19, 2024
Photoelectric fiber and communication device
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11500159B2Nov 15, 2022
Optical connection structure and method for forming same
NIPPON TELEGRAPH & TELEPHONE1 citations61
US11448838B2Sep 20, 2022
Optical component and method for manufacturing same
NIPPON TELEGRAPH & TELEPHONE1 citations61
US12189140B2Jan 7, 2025
Lens structure and optical connection structure
NIPPON TELEGRAPH & TELEPHONE0 citations52
US12153258B2Nov 26, 2024
Optical connecting structure
NIPPON TELEGRAPH & TELEPHONE0 citations52
US12038601B2Jul 16, 2024
Wavelength checker
NIPPON TELEGRAPH & TELEPHONE0 citations52
US11960121B2Apr 16, 2024
Optical connection structure
NIPPON TELEGRAPH & TELEPHONE0 citations52
US11828990B2Nov 28, 2023
Optical connector and optical connecting structure
NIPPON TELEGRAPH & TELEPHONE0 citations52
US12158611B2Dec 3, 2024
Optical fiber guide structure and optical fiber connecting structure
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12111493B2Oct 8, 2024
Optical connection structure and method for manufacturing the same
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12111500B2Oct 8, 2024
Optical fiber guide structure and optical fiber connecting structure
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12099243B2Sep 24, 2024
Optical connector and optical connection structure
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11960123B2Apr 16, 2024
Optical interconnect structure
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11199659B2Dec 14, 2021
Optical module
NIPPON TELEGRAPH & TELEPHONE0 citations50
US9297961B2Mar 29, 2016
Optical module
NIPPON TELEGRAPH & TELEPHONE0 citations48
US10950293B2Mar 16, 2021
Signal processing circuit, distributed memory, ROM, and DAC which signal processing circuit is embedded
NIPPON TELEGRAPH & TELEPHONE0 citations42