Inventor
FUKUSHIMA DAISUKE
JP27 patents
⚠️ This page may combine multiple inventors who share the name “FUKUSHIMA DAISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
11 patentsUS7291692B2Nov 6, 2007
Polyarylene oxide and method of producing the same
SUMITOMO CHEMICAL CO16 citations84
US9267003B2Feb 23, 2016
Polymer compound, composition, and light-emitting device using the same
SUMITOMO CHEMICAL CO7 citations67
US8048982B2Nov 1, 2011
Method for producing aromatic compound polymer
SUMITOMO CHEMICAL CO6 citations61
US12161043B2Dec 3, 2024
Light emitting device
SUMITOMO CHEMICAL CO0 citations59
US11021568B2Jun 1, 2021
Polymer compound and light emitting device using the same
SUMITOMO CHEMICAL CO1 citations56
US7852434B2Dec 14, 2010
Aromatic polymer
SUMITOMO CHEMICAL CO1 citations51
US6787673B2Sep 7, 2004
Process for producing 2-bromocyclopentanone
SUMITOMO CHEMICAL CO1 citations51
US11515477B2Nov 29, 2022
Light emitting device having thermally activated delayed fluorescent (TADF) compound
SUMITOMO CHEMICAL CO0 citations50
US10654967B2May 19, 2020
Polymer compound and light-emitting element using same
SUMITOMO CHEMICAL CO0 citations39
US10370484B2Aug 6, 2019
Polymer compound and light emitting device using the same
SUMITOMO CHEMICAL CO0 citations36
US10301539B2May 28, 2019
Polymer compound and light-emitting device using the same
SUMITOMO CHEMICAL CO0 citations33
SCHOTT JAPAN CORP
5 patentsUSD1074611SMay 13, 2025
Hermetic terminal
SCHOTT JAPAN CORP2 citations73
US11417970B2Aug 16, 2022
Hermetic terminal with improved adhesion of glass seal to high power lead
SCHOTT JAPAN CORP3 citations73
US11417983B2Aug 16, 2022
Airtight terminal
SCHOTT JAPAN CORP3 citations72
USD1107657SDec 30, 2025
Hermetic terminal
SCHOTT JAPAN CORP0 citations61
USD1060265SFeb 4, 2025
Hermetic terminal
SCHOTT JAPAN CORP0 citations61
FUKUSHIMA DAISUKE
5 patentsUS9331284B2May 3, 2016
Polymer compound and light-emitting device using same
FUKUSHIMA DAISUKE4 citations69
US8513877B2Aug 20, 2013
Anthracene polymer compound and light emitting device using the same
FUKUSHIMA DAISUKE0 citations50
US8895675B2Nov 25, 2014
Block copolymer
FUKUSHIMA DAISUKE0 citations49
US8617724B2Dec 31, 2013
Polymer compound and light emitting device using the same
FUKUSHIMA DAISUKE0 citations48
US9793486B2Oct 17, 2017
Polymer compound and light-emitting element using the same
FUKUSHIMA DAISUKE0 citations38