Inventor
ASHIDA TORU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “ASHIDA TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
6 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
US7070715B2Jul 4, 2006
Disazo compound or salt thereof and polarizing film using the same
SUMITOMO CHEMICAL CO8 citations72
US6214990B1Apr 10, 2001
Triphenodioxazine compound, method for preparing the same, use of the compound as dichroic dye, and liquid crystal composition
SUMITOMO CHEMICAL CO4 citations61
US7276268B2Oct 2, 2007
Poly-azo compound, and polarization film having said compound
SUMITOMO CHEMICAL CO1 citations50
US6440507B1Aug 27, 2002
Unsymmetrical dioxazine compound dichroic dye liquid crystal composition and liquid crystal display element
SUMITOMO CHEMICAL CO0 citations40