Inventor

KANEMURA YOSHINOBU

JP45 patents

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

KANEMURA YOSHINOBU

MITSUI TOATSU CHEMICALS

Mercapto compound, a high refractive index resin and lens and a process for preparing them

Mercapto compound, a high refractive index resin and lens and a process for preparing them

High-refractivity plastic lens resin formed by reacting at least one polyisocyanate with at least one polythiol

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

Casting epoxy resin, polythiol and releasing agent to form lens

Mercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the same

Resin for urethane lenses, lenses comprising the resin, and a process for preparation of the resin and the lenses

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

Resin for high-refractivity lenses and lenses made of same resin

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

Low-hygroscopic sulfur-containing urethane resin, coating material and adhesive

High surface hardness transparent resin prepared from a compound having at least one isopropenyl phenyl group

High-refractivity plastic lens resin formed from a polyisocyanate and a polythiol

Sulfur-containing urethane-based resin composition, its resin, and optical element and lens comprising resin

Highly-refractive plastic lens and process for making 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

Monomer of carbonate ester having isopropenylphenyl group

Optical lens comprised of high surface hardness transparent resin

High refractive index plastic lens and composition therefor

Mercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the same

Polymerizable monomer having at least one isopropenyl phenyl group and being capable of forming a high surface hardness transparent resin

Hard transparent resins and process for the production thereof

High surface hardness transparent resin prepared from a compound having terminal isopropenyl phenyl groups

Hard transparent resins and process for the production thereof

High surface hardness transparent resin and polymerizable monomer

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

Process for preparing a thiol compound

Polythiol, polymerizable composition, resin and lens, and process for preparing thiol compound

Polymerizable composition

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

Selenized transparent optical material

Polymerizable composition

Polymerizable composition and process for producing optical resin comprising the same

Polythiol compound

Selenium-containing transparent optical material

Preparation process of phthalide compound

Selenium-containing transparent optical material

Selenium-containing transparent optical material