Inventor

OKAZAKI KOJU

JP42 patents

⚠️ This page may combine multiple inventors who share the name “OKAZAKI KOJU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OKAZAKI KOJU

MITSUI CHEMICALS INC

Polymerizable composition

Sulfur-containing urethane-based resin and composition and process for producing the resin

Process for preparing a sulfur-containing urethane-based plastic lens and the lens prepared thereby

Polymerizable composition

Polysulfide-based resin composition, polysulfide-based resin, and optical material comprising the resin

Selenized transparent optical material

Modified acrylic resin cured product, and laminate thereof, and production methods therefor

Polymerizable composition

Polymerizable composition and process for producing optical resin comprising the same

Selenium-containing transparent optical material

Optical component and sulfur-containing poly(thio)ester (co)polymer

Organic polymers and novel polymerizable compounds

Hydrophilic materials including sulfonate copolymer and amino resin

Antifogging laminate

Selenium-containing transparent optical material

Selenium-containing transparent optical material

Process for producing polymerizable composition for optical material and polymerizable composition for optical material

Process for producing 1,3-bis(3-aminophenoxy)benzene

Polymerizable composition and molded product

Hydrophilic monolayer films

Composition and film comprising same

MITSUI TOATSU CHEMICALS

Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur-containing urethane resin lens and lens prepared thereby

Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lens

Polythiol useful for preparing sulfur-containing urethane-based resin and process for producing the same

S-alkyl thiocarbamate base resin, plastic lens comprising the resin, and process for making the lens

Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur containing urethane resin lens and lens prepared thereby

Process for the preparation of aliphatic polyisocyanates

Stabilizing method of isocyanate compounds and isocyanate compositions stabilized thereby

Optical urethane resins and plastic lenses comprising the same

Highly-refractive plastic lens and process for making the lens

Resin having a large refractive index, lenses comprising the resin and process for preparing the lens

Resin for plastic lens having high-refractive index, lens comprising the resin, and method for preparation of the lens

Process for molding a highly-refractive plastic lens

Polyurethane base lens resin, plastic lens comprising the resin and preparation method of the lens

Preparation process of 4,4&#39;-biphenol, precursor of same and preparation process of precursor

Preparation process of 4,4&#39;-biphenol, precursor of same and preparation process of precursor

Preparation process of 4,4&#39;-biphenol, precursor of same and preparation process of precursor

OKAZAKI KOJU

Single layer film and hydrophilic material comprising the same

Monolayer film and hydrophilic material comprising the same

Single layer film and hydrophilic material comprising the same

Primer composition

Hydrophilic film

Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor

Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor

Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor