Inventor
KAWAKAMI HIRONORI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KAWAKAMI HIRONORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
11 patentsUS10217945B2Feb 26, 2019
Compound, organic electroluminescent element material using same, organic electroluminescent element using this material, and electronic device
IDEMITSU KOSAN CO2 citations72
US10038143B2Jul 31, 2018
Polymer compound, material for electronic elements, material for organic electroluminescent elements, and organic electroluminescent element
IDEMITSU KOSAN CO2 citations72
US10833281B2Nov 10, 2020
Organic electroluminescence composition, material for organic electroluminescence element, solution of material for organic electroluminescence element, and organic electroluminescence element
IDEMITSU KOSAN CO1 citations62
US10290815B2May 14, 2019
Composition, compound, material for organic electroluminescence element, ink composition, organic electroluminescence element, and electronic device
IDEMITSU KOSAN CO1 citations62
US10763442B2Sep 1, 2020
Compound, organic electroluminescent element material using same, organic electroluminescent element using this material, and electronic device
IDEMITSU KOSAN CO0 citations51
US10032991B2Jul 24, 2018
Compound, organic electroluminescence element material, ink composition, organic electroluminescence element, electronic device, and method for producing compound
IDEMITSU KOSAN CO1 citations51
US10538514B2Jan 21, 2020
Compound, composition, organic electroluminescence element, and electronic device
IDEMITSU KOSAN CO0 citations41
US9923141B2Mar 20, 2018
Carbazole-based polymer and organic electroluminescence element using same
IDEMITSU KOSAN CO0 citations41
US9917273B2Mar 13, 2018
Cross-linking polymer and organic electroluminescent element using same
IDEMITSU KOSAN CO0 citations41
US9847490B2Dec 19, 2017
Copolymer, material for organic electronic element, material for organic electroluminescent element, and organic electroluminescent element
IDEMITSU KOSAN CO0 citations41
US9815997B2Nov 14, 2017
Organic electroluminescence device and ink composition
IDEMITSU KOSAN CO0 citations41
TOPPAN PRINTING CO LTD
2 patentsUS7910287B2Mar 22, 2011
Relief printing plate, and method for manufacturing electronic circuit pattern, organic electroluminescence device and organic electronic device by using the same
TOPPAN PRINTING CO LTD7 citations80
US7485023B2Feb 3, 2009
Organic electroluminescent device having partition wall and a manufacturing method of the same by relief printing method
TOPPAN PRINTING CO LTD2 citations59