Inventor
SONOYAMA TAKUYA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “SONOYAMA TAKUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
16 patentsUS10717886B2Jul 21, 2020
Ink composition, method for producing organic semiconductor element, organic semiconductor device, and method for producing optical element
SEIKO EPSON CORP2 citations72
US10184056B2Jan 22, 2019
Ink for forming functional layer, ink container, discharghing apparatus, method for forming functional layer, method for manufacturing organic EL element, light emitting device, and electronic apparatus
SEIKO EPSON CORP2 citations72
US12459273B2Nov 4, 2025
Method of manufacturing printed matter, printed matter, and printing apparatus
SEIKO EPSON CORP0 citations61
US11248135B2Feb 15, 2022
Ink jet ink composition for textile printing, ink set, and recording method
SEIKO EPSON CORP0 citations59
US10894896B2Jan 19, 2021
Ink jet ink composition for textile printing, ink set, and recording method
SEIKO EPSON CORP0 citations59
US11292930B2Apr 5, 2022
Textile printing ink jet ink composition set and recording method
SEIKO EPSON CORP0 citations57
US12515461B2Jan 6, 2026
Printing system and estimation method
SEIKO EPSON CORP0 citations51
US10557046B2Feb 11, 2020
Film-forming ink, film formation method, device with film, and electronic apparatus
SEIKO EPSON CORP0 citations51
US10522758B2Dec 31, 2019
Ink for forming functional layer, method of manufacturing ink for forming functional layer, and method of manufacturing organic electro-luminescence element
SEIKO EPSON CORP0 citations51
US10167403B2Jan 1, 2019
Ink, ink container, and method for producing functional element
SEIKO EPSON CORP0 citations51
US10079342B2Sep 18, 2018
Functional layer forming composition, method for producing functional layer forming composition, method for producing organic EL element, organic EL device, and electronic apparatus
SEIKO EPSON CORP1 citations51
US9951241B2Apr 24, 2018
Ink, ink container, and method for producing functional element
SEIKO EPSON CORP0 citations51
US9825225B2Nov 21, 2017
Ink for forming functional layer, method of manufacturing ink for forming functional layer, and method of manufacturing organic electro-luminescence element
SEIKO EPSON CORP0 citations51
US8952369B2Feb 10, 2015
Light-emitting element, light-emitting device, display device, and electronic apparatus
SEIKO EPSON CORP1 citations51
US11255044B2Feb 22, 2022
Recording method
SEIKO EPSON CORP0 citations47
US10526500B2Jan 7, 2020
Film-forming ink, film formation method, device with film, and electronic apparatus
SEIKO EPSON CORP0 citations41
SONOYAMA TAKUYA
3 patentsUS8604690B2Dec 10, 2013
Organic EL device, electronic apparatus, and method for manufacturing organic EL device
SONOYAMA TAKUYA5 citations70
US8766535B2Jul 1, 2014
Electro-optical apparatus, manufacturing method thereof, and electronic device
SONOYAMA TAKUYA1 citations49
US8846426B2Sep 30, 2014
Organic EL device and manufacturing method thereof, and electronic apparatus
SONOYAMA TAKUYA0 citations48