Inventor
SHIMIZU KEN
US37 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUMILEDS LLC
14 patentsUS11621292B2Apr 4, 2023
Ultra-smooth sidewall pixelated array LEDs
LUMILEDS LLC1 citations72
US11127887B2Sep 21, 2021
Semiconductor light emitting device with reflective side coating
LUMILEDS LLC2 citations72
US11486562B2Nov 1, 2022
Controlling off-state appearance of a light emitting device
LUMILEDS LLC2 citations70
US12507520B2Dec 23, 2025
Ultra-smooth sidewall pixelated array LEDs
LUMILEDS LLC0 citations62
US12284850B2Apr 22, 2025
Laterally heterogenous wavelength-converting layer
LUMILEDS LLC0 citations62
US12027567B2Jul 2, 2024
Pixelated LED array with optical elements
LUMILEDS LLC0 citations62
US11901702B2Feb 13, 2024
LED DBR structure with reduced photodegradation
LUMILEDS LLC0 citations62
US10903266B2Jan 26, 2021
Ultra-smooth sidewall pixelated array LEDs
LUMILEDS LLC0 citations62
US10886703B1Jan 5, 2021
LED DBR structure with reduced photodegradation
LUMILEDS LLC1 citations62
US11994285B2May 28, 2024
Controlling off-state appearance of a light emitting device
LUMILEDS LLC0 citations59
US11881542B2Jan 23, 2024
Pixelated wavelength-conversion layer
LUMILEDS LLC0 citations52
US10276763B2Apr 30, 2019
Light emitting device with phase changing off state white material and methods of manufacture
LUMILEDS LLC0 citations50
US12402454B2Aug 26, 2025
Two step phosphor deposition to make a matrix array
LUMILEDS LLC0 citations49
US10797206B2Oct 6, 2020
Controlling off-state appearance of a light emitting device
LUMILEDS LLC0 citations49
TORAY BATTERY SEPARATOR FILM
4 patentsUS10256450B2Apr 9, 2019
Laminated porous membrane, process for manufacturing same and separator for battery
TORAY BATTERY SEPARATOR FILM0 citations50
US9293754B2Mar 22, 2016
Battery separator, and battery separator manufacturing method
TORAY BATTERY SEPARATOR FILM0 citations41
US9023506B2May 5, 2015
Battery separator, and battery separator manufacturing method
TORAY BATTERY SEPARATOR FILM0 citations41
US10056595B2Aug 21, 2018
Battery separator, and method for producing same
TORAY BATTERY SEPARATOR FILM0 citations40
TORAY INDUSTRIES
3 patentsLUMILEDS HOLDING BV
3 patentsUS10930825B2Feb 23, 2021
Two step phosphor deposition to make a matrix array
LUMILEDS HOLDING BV3 citations71
US10910433B2Feb 2, 2021
Pixelated LED array with optical elements
LUMILEDS HOLDING BV1 citations62
US10862007B1Dec 8, 2020
Adhesive layer with varied material properties
LUMILEDS HOLDING BV0 citations52