Inventor
GOI KAZUHIRO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “GOI KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIKURA LTD
19 patentsUS9448425B2Sep 20, 2016
Optical waveguide element and optical modulator
FUJIKURA LTD24 citations94
US9529151B2Dec 27, 2016
Polarization conversion element
FUJIKURA LTD21 citations92
US9857534B2Jan 2, 2018
Optical waveguide device having a light absorber for split out modes
FUJIKURA LTD9 citations84
US9557482B2Jan 31, 2017
High-order polarization conversion device, optical waveguide device, and DP-QPSK modulator
FUJIKURA LTD15 citations84
US9110348B2Aug 18, 2015
Optical element and Mach-Zehnder optical waveguide element
FUJIKURA LTD13 citations84
US9817294B2Nov 14, 2017
Optical modulation device
FUJIKURA LTD12 citations83
US9869816B2Jan 16, 2018
Light combining/dividing element and light modulator
FUJIKURA LTD7 citations82
US9335472B2May 10, 2016
Planar optical waveguide device and DP-QPSK modulator
FUJIKURA LTD4 citations73
US9874697B1Jan 23, 2018
Polarization-maintaining optical fiber and bidirectional optical transmission apparatus
FUJIKURA LTD4 citations72
US10365507B2Jul 30, 2019
Semiconductor optical integrated circuit
FUJIKURA LTD3 citations71
US9880404B2Jan 30, 2018
Optical waveguide device and method of manufacturing the same
FUJIKURA LTD3 citations71
US10261385B2Apr 16, 2019
Light modulation element
FUJIKURA LTD1 citations62
US10267995B2Apr 23, 2019
Substrate-type optical waveguide and substrate-type optical modulator
FUJIKURA LTD1 citations61
US9008476B2Apr 14, 2015
Polarization conversion device
FUJIKURA LTD1 citations52
US10718899B2Jul 21, 2020
Optical device, wavelength division multiplexing transmitter, wavelength division multiplexing receiver, and wavelength division multiplexing transmission and receiving system
FUJIKURA LTD0 citations41
US10386573B2Aug 20, 2019
Substrate-type optical waveguide and introducing method using fundamental and higher TE/TM modes
FUJIKURA LTD0 citations41
US10162136B2Dec 25, 2018
Optical transmission device and bidirectional optical transmission device
FUJIKURA LTD0 citations41
US9857533B2Jan 2, 2018
Optical waveguide element, light-receiving device, optical communication device, optical modulator, optical resonator, and method for manufacturing optical waveguide element
FUJIKURA LTD0 citations41
US9864215B1Jan 9, 2018
Substrate-type optical waveguide and substrate-type optical modulator
FUJIKURA LTD0 citations40