Inventor
OHTA YOSHITERU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “OHTA YOSHITERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
7 patentsUS6699976B2Mar 2, 2004
Polyazo compound or salt thereof and dye-based polarization film containing the same
SUMITOMO CHEMICAL CO19 citations91
US6399752B1Jun 4, 2002
Polyazo compound or salt thereof and dye-based polarization film containing the same
SUMITOMO CHEMICAL CO28 citations91
US6284863B1Sep 4, 2001
Polymers having O-substituted vinylphenol unit and resist compositions containing them
SUMITOMO CHEMICAL CO15 citations83
US7070715B2Jul 4, 2006
Disazo compound or salt thereof and polarizing film using the same
SUMITOMO CHEMICAL CO8 citations72
US5463032AOct 31, 1995
Bisazo compounds and method for dyeing or printing fiber materials using the same
SUMITOMO CHEMICAL CO2 citations61
US6015885AJan 18, 2000
Polyazo compound and method for dyeing or textileprinting fiber material using the same
SUMITOMO CHEMICAL CO2 citations60
US5998591ADec 7, 1999
Fiber-reactive bisazo compound
SUMITOMO CHEMICAL CO2 citations60