Inventor
CHORAKU KOHEI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “CHORAKU KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
22 patentsUS9188743B2Nov 17, 2015
Optical coupling structure and optical transmission apparatus
FUJITSU LTD7 citations83
US10877216B2Dec 29, 2020
Optical waveguide substrate, method of manufacturing optical waveguide substrate, and method of repairing optical waveguide substrate
FUJITSU LTD2 citations72
US10353158B2Jul 16, 2019
Light emitting element bonded board and method of manufacturing light emitting element bonded board
FUJITSU LTD2 citations72
US9992878B2Jun 5, 2018
Circuit board and method of manufacturing the same
FUJITSU LTD4 citations72
US9374163B2Jun 21, 2016
Optical waveguide substrate and information processing device
FUJITSU LTD3 citations71
US9360639B2Jun 7, 2016
Electronic device and optical connector
FUJITSU LTD4 citations71
US11158964B2Oct 26, 2021
Electronic component and substrate
FUJITSU LTD0 citations62
US10714849B2Jul 14, 2020
Electronic component and substrate
FUJITSU LTD1 citations62
US9213370B2Dec 15, 2015
Housing, double-sided adhesive tape, and electronic apparatus
FUJITSU LTD3 citations62
US10212805B2Feb 19, 2019
Printed circuit board and electric device
FUJITSU LTD1 citations61
US11749874B2Sep 5, 2023
Balanced-type circular disk resonator, dielectric property measurement method, and dielectric property measurement system
FUJITSU LTD0 citations51
US10492291B2Nov 26, 2019
Wiring board manufacturing method
FUJITSU LTD0 citations51
US10164312B2Dec 25, 2018
Wiring board, electronic apparatus, and manufacturing method of wiring board
FUJITSU LTD0 citations51
US10151878B2Dec 11, 2018
Optical interconnection substrate including optical transmitter with light source and mark or optical receiver with light receiving unit and mark
FUJITSU LTD0 citations51
US9763331B2Sep 12, 2017
Printed circuit board, electronic device, and manufacturing method
FUJITSU LTD1 citations51
US9715062B2Jul 25, 2017
Optical axis adjustment method for optical interconnection, and optical interconnection substrate
FUJITSU LTD1 citations51
US9572293B2Feb 14, 2017
Placement apparatus and a suction nozzle for an optical component
FUJITSU LTD0 citations51
US9470856B2Oct 18, 2016
Method of manufacturing photoelectric composite substrate
FUJITSU LTD0 citations51
US9398709B2Jul 19, 2016
Portable electronic apparatus
FUJITSU LTD0 citations51
US8777091B2Jul 15, 2014
Light emitting member mounting method and apparatus
FUJITSU LTD0 citations51
US11435385B2Sep 6, 2022
Specific conductivity measurement method, recording medium recording specific conductivity calculation program, and specific conductivity measurement system
FUJITSU LTD0 citations48
US9285560B2Mar 15, 2016
Method and device for manufacturing optical transmission device, and optical transmission device
FUJITSU LTD0 citations40