Inventor
OTSUKA TSUTOMU
JP37 patents
⚠️ This page may combine multiple inventors who share the name “OTSUKA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIFILM BUSINESS INNOVATION CORP
15 patentsUS11973321B2Apr 30, 2024
Light emitting device
FUJIFILM BUSINESS INNOVATION CORP4 citations74
US11534088B2Dec 27, 2022
Optical measuring apparatus and non-transitory computer readable medium
FUJIFILM BUSINESS INNOVATION CORP2 citations73
US11303097B2Apr 12, 2022
Light-emitting device, optical apparatus, optical measurement apparatus, and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP3 citations73
US11050217B2Jun 29, 2021
Light-emitting device, optical apparatus, optical measurement apparatus, and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP4 citations73
US11732884B2Aug 22, 2023
Light-emitting device, optical device, and information processing device comprising plural wiring members and circuit elements on side surfaces of a light emitting element array
FUJIFILM BUSINESS INNOVATION CORP2 citations72
US11556075B2Jan 17, 2023
Light emitting device and rendering device including a flow path
FUJIFILM BUSINESS INNOVATION CORP2 citations72
US11347159B2May 31, 2022
Light emitting device and rendering device
FUJIFILM BUSINESS INNOVATION CORP3 citations72
US11211774B2Dec 28, 2021
Light emitting device, optical device, and information processing apparatus
FUJIFILM BUSINESS INNOVATION CORP2 citations72
US12107396B2Oct 1, 2024
Light-emitting device, optical device, and information processing device
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11705695B2Jul 18, 2023
Light emitting device
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11539191B2Dec 27, 2022
Light-emitting device, optical device, and information processing apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11362135B2Jun 14, 2022
Light emitting element array and optical transmission device
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12119417B2Oct 15, 2024
Optical semiconductor element, optical semiconductor device, optical transmission system, and method of manufacturing optical semiconductor device
FUJIFILM BUSINESS INNOVATION CORP0 citations52
US11599610B2Mar 7, 2023
Light-emitting device, optical device, and information processing apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations52
US12443123B2Oct 14, 2025
Light-emitting device and drawing apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations51
FUJI XEROX CO LTD
9 patentsUS9385268B2Jul 5, 2016
Method of manufacturing semiconductor chips
FUJI XEROX CO LTD15 citations84
US9997363B2Jun 12, 2018
Method for producing semiconductor piece, circuit board and electronic device including semiconductor piece, and method for designing etching condition
FUJI XEROX CO LTD13 citations82
US10177532B2Jan 8, 2019
Light emitting element array and optical transmission device
FUJI XEROX CO LTD2 citations73
US9865468B2Jan 9, 2018
Method of positioning cutting member to semiconductor chip with grooves
FUJI XEROX CO LTD3 citations73
US9754833B2Sep 5, 2017
Method for manufacturing semiconductor chip that includes dividing substrate by etching groove along cutting region of substrate combined with forming modified region by laser irradiating along cutting region in substrate
FUJI XEROX CO LTD2 citations72
US10484087B2Nov 19, 2019
Optical transmission device
FUJI XEROX CO LTD0 citations52
US10438993B2Oct 8, 2019
Light emitting element array and optical transmission device
FUJI XEROX CO LTD0 citations52
US9673351B2Jun 6, 2017
Method of manufacturing semiconductor chips
FUJI XEROX CO LTD1 citations52
US9508595B2Nov 29, 2016
Method of tip shape of cutting member, semiconductor chip manufacturing method, circuit board, and electronic apparatus
FUJI XEROX CO LTD0 citations38
SUMIDA CORP
9 patentsUS10786932B2Sep 29, 2020
Manufacturing method of coil component and coil component
SUMIDA CORP3 citations72
US10617006B2Apr 7, 2020
Small electronic component, electronic circuit board, and method of manufacturing small electronic component
SUMIDA CORP2 citations72
US11289262B2Mar 29, 2022
Electronic component
SUMIDA CORP2 citations71
US10446313B2Oct 15, 2019
Electronic component
SUMIDA CORP5 citations71
US7553562B2Jun 30, 2009
Composite-type magnetic core and method of manufacturing the same
SUMIDA CORP4 citations63
US12233581B2Feb 25, 2025
Manufacturing method of coil component and coil component
SUMIDA CORP0 citations61
US11312045B2Apr 26, 2022
Manufacturing method of coil component and coil component
SUMIDA CORP0 citations61
US12379428B2Aug 5, 2025
Magnetic field measurement apparatus and magnetic field measurement method
SUMIDA CORP0 citations50
US12140648B2Nov 12, 2024
Magnetic field measurement apparatus and magnetic field measurement method
SUMIDA CORP0 citations49
TOKIN CORP
3 patentsUS4898625AFeb 6, 1990
Method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
TOKIN CORP24 citations90
US5011552AApr 30, 1991
Method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
TOKIN CORP12 citations71
US5290425AMar 1, 1994
Organic solvent electrolyte for plating film of R2 T14 B intermetallic compound permanent magnet
TOKIN CORP4 citations58