Inventor
OGUMA JUN
JP9 patents
⚠️ This page may combine multiple inventors who share the name “OGUMA JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
5 patentsUS6830832B2Dec 14, 2004
Polymer compound and polymer light-emitting device using the same
SUMITOMO CHEMICAL CO22 citations92
US7208567B2Apr 24, 2007
Polymer compound and polymer light emitting device using the same
SUMITOMO CHEMICAL CO11 citations83
US6916938B2Jul 12, 2005
Method for preparing sulfone or sulfoxide compound
SUMITOMO CHEMICAL CO16 citations81
US7772360B2Aug 10, 2010
Polymer compound and polymer light-emitting device using the same
SUMITOMO CHEMICAL CO6 citations72
US11505524B2Nov 22, 2022
Salt, acid generator, resist composition and method for producing resist pattern
SUMITOMO CHEMICAL CO0 citations51