Inventor
YAMASHITA RYOHEI
JP54 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA RYOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
36 patentsUS7710016B2May 4, 2010
Light emitting device provided with lens for controlling light distribution characteristic
NICHIA CORP53 citations97
US9287480B2Mar 15, 2016
Light emitting device mount and light emitting apparatus
NICHIA CORP4 citations82
US9117806B2Aug 25, 2015
Light emitting device mount, light emitting apparatus including the same, and leadframe
NICHIA CORP7 citations82
US11415741B2Aug 16, 2022
Surface light source
NICHIA CORP2 citations73
US11106082B2Aug 31, 2021
Light-emitting module and surface-emitting light source
NICHIA CORP4 citations73
US10884290B2Jan 5, 2021
Light emittng module
NICHIA CORP2 citations73
US10069056B2Sep 4, 2018
Light emitting device
NICHIA CORP3 citations73
US9812627B2Nov 7, 2017
Light emitting device
NICHIA CORP3 citations73
US10768353B2Sep 8, 2020
Method of manufacturing light emitting module and light emitting module
NICHIA CORP3 citations72
US10115876B2Oct 30, 2018
Light emitting device mount, leadframe, and light emitting apparatus
NICHIA CORP3 citations71
US12284852B2Apr 22, 2025
Light emitting module
NICHIA CORP0 citations62
US12117691B2Oct 15, 2024
Method of producing light-emitting device and planar light source
NICHIA CORP0 citations62
US11934003B2Mar 19, 2024
Planar light source
NICHIA CORP1 citations62
US11719975B2Aug 8, 2023
Light-emitting module and surface-emitting light source
NICHIA CORP0 citations62
US11650365B2May 16, 2023
Surface light source
NICHIA CORP0 citations62
US11513389B2Nov 29, 2022
Light emitting module
NICHIA CORP0 citations62
US11506934B2Nov 22, 2022
Light-emitting device and planar light source
NICHIA CORP1 citations62
US11380826B2Jul 5, 2022
Light emitting module
NICHIA CORP1 citations62
US11143807B2Oct 12, 2021
Method of manufacturing light emitting module and light emitting module
NICHIA CORP0 citations62
US9093619B2Jul 28, 2015
Light emitting device provided with lens for controlling light distribution characteristic
NICHIA CORP1 citations62
US8836210B2Sep 16, 2014
Light emitting device provided with lens for controlling light distribution characteristic
NICHIA CORP1 citations62
US7479665B2Jan 20, 2009
Side-view type light emitting device
NICHIA CORP4 citations62
US12189175B2Jan 7, 2025
Planar light source
NICHIA CORP0 citations61
US11508881B2Nov 22, 2022
Light emitting module and method of manufacturing the same
NICHIA CORP1 citations61
US11391878B2Jul 19, 2022
Light emitting module
NICHIA CORP0 citations61
US11106077B2Aug 31, 2021
Light emitting module and method of manufacturing the same
NICHIA CORP1 citations61
US11061178B2Jul 13, 2021
Light emitting module
NICHIA CORP0 citations61
US11035994B2Jun 15, 2021
Light-emitting module
NICHIA CORP0 citations61
US10971657B2Apr 6, 2021
Light emitting module and method of manufacturing the same
NICHIA CORP0 citations61
US10411178B2Sep 10, 2019
Light emitting device
NICHIA CORP0 citations52
US10209566B2Feb 19, 2019
Light-emitting device
NICHIA CORP0 citations52
US9615493B2Apr 4, 2017
Light emitting device, and method for manufacturing circuit board
NICHIA CORP0 citations52
US11493803B2Nov 8, 2022
Display device and light-diffusing sheet stacked body
NICHIA CORP0 citations51
US11329201B2May 10, 2022
Light-emitting device
NICHIA CORP0 citations51
US10374136B2Aug 6, 2019
Light emitting apparatus
NICHIA CORP0 citations50
US9583688B2Feb 28, 2017
Light emitting device mount, leadframe, and light emitting apparatus
NICHIA CORP0 citations50
HITACHI CONSTRUCTION MACH CO
8 patentsUS11346081B2May 31, 2022
Construction machine
HITACHI CONSTRUCTION MACH CO2 citations73
US10472804B2Nov 12, 2019
Hydraulic control system of construction machine
HITACHI CONSTRUCTION MACH CO5 citations73
US10364550B2Jul 30, 2019
Hydraulic drive system of work machine
HITACHI CONSTRUCTION MACH CO3 citations73
US10330128B2Jun 25, 2019
Hydraulic control system for work machine
HITACHI CONSTRUCTION MACH CO4 citations73
US10309079B2Jun 4, 2019
Hydraulic control system for work machine
HITACHI CONSTRUCTION MACH CO5 citations73
US10400426B2Sep 3, 2019
Hydraulic control system for construction machine
HITACHI CONSTRUCTION MACH CO1 citations63
US11230819B2Jan 25, 2022
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations52
US10060450B2Aug 28, 2018
Hydraulic control device for work machine
HITACHI CONSTRUCTION MACH CO1 citations52
YAMASHITA RYOHEI
2 patentsMIKI TOMOHIDE
1 patentIIDA DENKI KOGYO KK
1 patentNORITSU KOKI CO LTD
1 patentSH MATERIALS CO LTD
1 patentShowing the top 50 of 54 patents by PatentIndex Score.