Inventor
MASUDA TETSUYA
JP63 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
19 patentsUS10109803B1Oct 23, 2018
Organic electroluminescence device and electronic device
IDEMITSU KOSAN CO4 citations84
US10103338B1Oct 16, 2018
Organic electroluminescence device and electronic device
IDEMITSU KOSAN CO7 citations84
US11575087B1Feb 7, 2023
Organic electroluminescence device, light emitting device, organic electroluminescence display device and electronic device
IDEMITSU KOSAN CO7 citations74
US11489121B1Nov 1, 2022
Organic electroluminescent device configured to emit light with high luminous efficiency
IDEMITSU KOSAN CO2 citations73
US10109804B1Oct 23, 2018
Organic electroluminescence device and electronic device
IDEMITSU KOSAN CO2 citations73
US12477945B2Nov 18, 2025
Organic electroluminescence device and electronic apparatus equipped with the same
IDEMITSU KOSAN CO1 citations64
US12284916B2Apr 22, 2025
Organic electroluminescence device and electronic apparatus provided with the same
IDEMITSU KOSAN CO1 citations64
US12492162B2Dec 9, 2025
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations63
US12022728B2Jun 25, 2024
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations63
US11552251B2Jan 10, 2023
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations63
US12058930B2Aug 6, 2024
Organic electroluminescence device and electronic apparatus
IDEMITSU KOSAN CO1 citations62
US11665962B2May 30, 2023
Organic electroluminescence element and electronic device
IDEMITSU KOSAN CO0 citations62
US12428409B2Sep 30, 2025
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO0 citations58
US12396318B2Aug 19, 2025
Organic EL display device, and electronic apparatus
IDEMITSU KOSAN CO0 citations52
US12133462B2Oct 29, 2024
Organic electroluminescence device and electronic apparatus equipped with the same
IDEMITSU KOSAN CO0 citations52
US11903308B2Feb 13, 2024
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO0 citations52
US11631817B2Apr 18, 2023
Organic electroluminescence element, electronic device, composition, material for organic electroluminescence element, and composition film
IDEMITSU KOSAN CO0 citations52
US11456432B2Sep 27, 2022
Top emission organic electroluminescent element, organic electroluminescent light emitting device, and electronic device
IDEMITSU KOSAN CO0 citations52
US11765972B2Sep 19, 2023
Compound and organic electroluminescence device using the same
IDEMITSU KOSAN CO0 citations50
OTSUKA TECHNO CORP
8 patentsUSD948553SApr 12, 2022
Display screen with graphical user interface
OTSUKA TECHNO CORP5 citations70
US11517751B2Dec 6, 2022
Electrode for electrical stimulation therapy and electrical stimulation therapeutic device
OTSUKA TECHNO CORP0 citations60
USD942951SFeb 8, 2022
Connecting plug for cables
OTSUKA TECHNO CORP0 citations60
USD927700SAug 10, 2021
Medical electrode
OTSUKA TECHNO CORP1 citations60
US12544551B2Feb 10, 2026
Urinary catheter cap
OTSUKA TECHNO CORP0 citations59
US11058878B2Jul 13, 2021
Electrically stimulating therapy device
OTSUKA TECHNO CORP1 citations58
US10675464B2Jun 9, 2020
Electrical stimulation therapy instrument
OTSUKA TECHNO CORP1 citations58
US10675463B2Jun 9, 2020
Dysuria treatment device
OTSUKA TECHNO CORP1 citations58
SANYO ELECTRIC CO
6 patentsUS7325333B2Feb 5, 2008
Heat pump device and drying machine
SANYO ELECTRIC CO42 citations91
US7322123B2Jan 29, 2008
Drying machine
SANYO ELECTRIC CO17 citations83
US5966947AOct 19, 1999
Method of returning refrigerator oil of air conditioner
SANYO ELECTRIC CO17 citations83
US7066245B2Jun 27, 2006
On-vehicle air-conditioner for air-conditioning
SANYO ELECTRIC CO14 citations82
US6938356B2Sep 6, 2005
Drying machine
SANYO ELECTRIC CO13 citations82
US6981336B2Jan 3, 2006
Washing/drying machine
SANYO ELECTRIC CO6 citations61
KONISHIROKU PHOTO IND
5 patentsUS4985337AJan 15, 1991
Image forming method and element, in which the element contains a release layer and a photosensitive o-quinone diaziode layer
KONISHIROKU PHOTO IND11 citations74
US5843620ADec 1, 1998
Image-forming material
KONISHIROKU PHOTO IND5 citations59
US5609985AMar 11, 1997
Color image-formable material and process for preparing the same
KONISHIROKU PHOTO IND4 citations59
US5858609AJan 12, 1999
Image-forming material and method for forming transferred image
KONISHIROKU PHOTO IND1 citations52
US5723256AMar 3, 1998
Color image forming process through transfer of image portion to receiving material, via cushion layer
KONISHIROKU PHOTO IND0 citations51
TOSHIBA KK
2 patentsFUJI PHOTO FILM CO LTD
2 patentsBOSCH CORP
1 patentSATO KEIJI
1 patentDIAFOIL HOECHST CO LTD
1 patentPANASONIC IP MAN CO LTD
1 patentKONICA MINOLTA INC
1 patentMITSUBISHI MOTORS CORP
1 patentMITSUBISHI ELECTRIC CORP
1 patentMITSUBISHI CHEM CORP
1 patentShowing the top 50 of 63 patents by PatentIndex Score.