Inventor
ICHIKAWA MASATSUGU
JP40 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA MASATSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
32 patentsUS9293643B2Mar 22, 2016
Method of manufacturing light emitting device including light emitting element and wavelength converting member
NICHIA CORP4 citations84
US7963817B2Jun 21, 2011
Phosphor-containing molded member, method of manufacturing the same, and light emitting device having the same
NICHIA CORP9 citations84
US9744754B2Aug 29, 2017
Method for manufacturing light distribution member, and method for manufacturing light emitting device
NICHIA CORP13 citations83
US10658811B2May 19, 2020
Optical component, light emitting device using the optical component, and method of manufacturing the optical component
NICHIA CORP2 citations73
US10211379B2Feb 19, 2019
Semiconductor light emitting device and method for manufacturing the same
NICHIA CORP2 citations73
US9941447B2Apr 10, 2018
Semiconductor light emitting device and method for producing the same
NICHIA CORP3 citations73
US11799065B2Oct 24, 2023
Method of producing heat dissipation substrate and method of producing composite substrate
NICHIA CORP2 citations72
US10603889B2Mar 31, 2020
Light emitting device and method of manufacturing light emitting device
NICHIA CORP3 citations72
US9914288B2Mar 13, 2018
Light emitting device and method of manufacturing light emitting device
NICHIA CORP2 citations72
US8980661B2Mar 17, 2015
Method for manufacturing light emitting device
NICHIA CORP5 citations72
US12261090B2Mar 25, 2025
Composite substrate and method of producing the composite substrate, and semiconductor device comprising the composite substrate
NICHIA CORP2 citations71
US8647906B2Feb 11, 2014
Method for manufacturing a light emitting device
NICHIA CORP3 citations63
US12145349B2Nov 19, 2024
Light emitting device and method of manufacturing light emitting device
NICHIA CORP0 citations62
US12002902B2Jun 4, 2024
Light emitting device, and method for manufacturing thereof
NICHIA CORP0 citations62
US11522104B2Dec 6, 2022
Light emitting device, and method for manufacturing thereof
NICHIA CORP0 citations62
US10974492B2Apr 13, 2021
Light emitting device and method of manufacturing light emitting device
NICHIA CORP0 citations62
US9257619B2Feb 9, 2016
Light-emitting device and manufacturing method thereof
NICHIA CORP2 citations62
US12571519B2Mar 10, 2026
Wavelength conversion module, light emission device, and method for manufacturing wavelength conversion module
NICHIA CORP0 citations61
US11929294B2Mar 12, 2024
Composite substrate and method of producing the composite substrate, and semiconductor device comprising the composite substrate
NICHIA CORP0 citations59
US10777715B2Sep 15, 2020
Semiconductor light emitting device
NICHIA CORP0 citations52
US10658545B2May 19, 2020
Light emitting device in which light emitting element and light transmissive member are directly bonded
NICHIA CORP0 citations52
US10636941B2Apr 28, 2020
Light emitting device, and method for manufacturing thereof
NICHIA CORP0 citations52
US10593843B2Mar 17, 2020
Method of manufacturing optical component
NICHIA CORP0 citations52
US10043948B2Aug 7, 2018
Light emitting device in which light emitting element and light transmissive member are directly bonded
NICHIA CORP0 citations52
US9847452B2Dec 19, 2017
Light emitting device, and method for manufacturing thereof
NICHIA CORP0 citations52
US9553241B2Jan 24, 2017
Semiconductor light emitting device and method for producing the same
NICHIA CORP1 citations52
US9293642B2Mar 22, 2016
Light emitting device including light emitting element and wavelength converting member with regions having irregular atomic arrangments
NICHIA CORP0 citations52
US10415795B2Sep 17, 2019
Method of manufacturing light distribution member with shielded individual transmissive pieces and light-shielding frame, method of manufacturing light emitting device having light distribution member, light distribution member, and light emitting device
NICHIA CORP0 citations51
US10234081B2Mar 19, 2019
Light-emitting device and method of manufacturing the same
NICHIA CORP0 citations42
US10461235B2Oct 29, 2019
Method of manufacturing semiconductor device
NICHIA CORP0 citations41
US10115877B2Oct 30, 2018
Method for manufacturing semiconductor device
NICHIA CORP0 citations41
US9991434B2Jun 5, 2018
Semiconductor device with metal-bonded heat dissipator and manufacturing method for the same
NICHIA CORP0 citations41
ICHIKAWA MASATSUGU
6 patentsUS8552448B2Oct 8, 2013
Light emitting device
ICHIKAWA MASATSUGU19 citations92
US8916399B2Dec 23, 2014
Method of manufacturing light emitting device including light emitting element and wavelength converting member
ICHIKAWA MASATSUGU5 citations83
US8835951B2Sep 16, 2014
Light emitting device
ICHIKAWA MASATSUGU7 citations83
US8723409B2May 13, 2014
Light emitting device
ICHIKAWA MASATSUGU6 citations72
US9502608B2Nov 22, 2016
Method of manufacturing a light emitting device in which light emitting element and light transmissive member are directly bonded
ICHIKAWA MASATSUGU0 citations51
US8889443B2Nov 18, 2014
Method of forming light converting layer, method of manufacturing light converting member, and method of manufacturing light emitting device
ICHIKAWA MASATSUGU0 citations51