Inventor
MAEDA RYOJI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “MAEDA RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
8 patentsUS11482675B1Oct 25, 2022
Organic electroluminescence device and electronic apparatus
IDEMITSU KOSAN CO7 citations73
US11069861B2Jul 20, 2021
Mixture, organic electroluminescence device and electronic equipment
IDEMITSU KOSAN CO2 citations73
US11489128B1Nov 1, 2022
Organic electroluminescent element emitting light at high luminous effiency and electronic device
IDEMITSU KOSAN CO1 citations62
US11393986B2Jul 19, 2022
Mixture, organic electroluminescence device and electronic equipment
IDEMITSU KOSAN CO0 citations62
US12583864B2Mar 24, 2026
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations52
US11903308B2Feb 13, 2024
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO0 citations52
US12581850B2Mar 17, 2026
Organic electroluminescence element, composition, powder, electronic equipment, and novel compound
IDEMITSU KOSAN CO0 citations49
US11723266B2Aug 8, 2023
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations49
NISSAN MOTOR
4 patentsUS6435298B1Aug 20, 2002
Vehicle rear underside structure
NISSAN MOTOR121 citations93
US5145457ASep 8, 1992
Ventilation air intake structure of motor vehicle
NISSAN MOTOR28 citations86
US5269583ADec 14, 1993
Front end structure of vehicle body
NISSAN MOTOR9 citations72
US4886314ADec 12, 1989
Front structure for automotive vehicles
NISSAN MOTOR15 citations72