Inventor
TOTANI YOSHIYUKI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “TOTANI YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI CHEMICALS INC
10 patentsUS7166240B2Jan 23, 2007
Hydrocarbon compounds, materials for organic electroluminescent elements and organic electroluminescent elements
MITSUI CHEMICALS INC17 citations91
US6929870B2Aug 16, 2005
Hydrocarbon compounds, materials for organic electroluminescent elements and organic electroluminescent elements
MITSUI CHEMICALS INC33 citations91
US5861108AJan 19, 1999
Naphthalene compound, and liquid crystal composition and liquid crystal element using the same
MITSUI CHEMICALS INC7 citations72
US11630241B2Apr 18, 2023
Polycarbonate resin lens and polycarbonate resin composition
MITSUI CHEMICALS INC0 citations62
US6217793B1Apr 17, 2001
Acetylene compound, liquid crystal composition and liquid crystal element
MITSUI CHEMICALS INC3 citations61
US12240945B2Mar 4, 2025
Compound, resin, polycarbonate resin, and optical molded article
MITSUI CHEMICALS INC0 citations57
US11746187B2Sep 5, 2023
Compound, resin, polycarbonate resin, and optical molded article
MITSUI CHEMICALS INC0 citations57
US12534544B2Jan 27, 2026
Solid titanium catalyst component, olefin polymerization catalyst, olefin polymerization method, and propylene polymer
MITSUI CHEMICALS INC0 citations49
US12486239B2Dec 2, 2025
Benzotriazole compound, light absorber, and resin composition
MITSUI CHEMICALS INC0 citations46
US11442066B2Sep 13, 2022
Method for identifying drug-discovery target protein for development of antibody drug, and method for producing antibody against target protein
MITSUI CHEMICALS INC0 citations46
MITSUI TOATSU CHEMICALS
5 patentsUS5426170AJun 20, 1995
Method for preparing an aromatic polycarbonate
MITSUI TOATSU CHEMICALS24 citations91
US5196507AMar 23, 1993
Process for producing granules of polycarbonate and composition thereof
MITSUI TOATSU CHEMICALS18 citations82
US5359117AOct 25, 1994
Processes for producing aromatic polycarbonate oligomer and aromatic polycarbonate
MITSUI TOATSU CHEMICALS8 citations73
US5770108AJun 23, 1998
Pyrimidine compound and liquid crystal composition and liquid crystal element using the same
MITSUI TOATSU CHEMICALS13 citations72
US5380814AJan 10, 1995
Aromatic polycarbonate and process for production thereof
MITSUI TOATSU CHEMICALS4 citations61