Fujifilm Corporation

Takayasu Nagai

Naoyuki Morooka

Yoshihiro Nakai

Tatsuhiko Obayashi

Naozumi Shiraiwa

Daisuke Sawai

Satoshi Sano

Akio Tamura

Atsushi Osawa

Hiroshi Inada

Hisashi Hotta

Takafumi Nakayama

Masahiro Takata

Yuichi Kasuya

Yuusuke Iizuka

Ayumi Someya

Masanori Fujiwara

The present invention provides a resin composition suitable for producing a diffractive optical element, the resin composition including an indium tin oxide particle and a near-ultraviolet light-absorbing organic compound having a maximum value of an absorbance at 340 nm to 400 nm in an absorption spectrum in a wavelength region of 300 nm to 780 nm and exhibiting substantially no light absorption at a wavelength of 410 to 800 nm.

Resin composition, cured product, diffractive optical element, and multilayer diffractive optical element

Provided is a composition for an acoustic wave probe including a polysiloxane mixture containing at least polysiloxane having a vinyl group and a phenyl group, polysiloxane having two or more Si&#x2014;H groups in a molecular chain, and zinc oxide, a silicone resin for an acoustic wave probe, the acoustic wave probe, an acoustic wave measurement apparatus, an ultrasound diagnostic apparatus, an ultrasound probe, a photoacoustic wave measurement apparatus, and an ultrasound endoscope.

Composition for acoustic wave probe, silicone resin for acoustic wave probe using the same, acoustic wave probe, ultrasound probe, acoustic wave measurement apparatus, ultrasound diagnostic apparatus, photoacoustic wave measurement apparatus, and ultrasound endoscope

The present invention provides a curable resin composition including a bifunctional or more (meth)acrylate compound, indium tin oxide particles, and an acidic polymer, in which the acidic polymer has a moiety including a carboxyl group at a polymer skeleton of a (meth)acrylate compound and at any one of terminals of the polymer skeleton of a (meth)acrylate compound, and an acid value of the acidic polymer is 2.0 mgKOH/g or more and less than 100 mgKOH/g. The curable resin composition of the present invention provides a transparent cured product, hardly causes bubbles to be mixed in a case of applying the curable resin composition to a mold so as to form a lattice-shaped cured product, and also has a good peeled surface shape from the mold after curing. The present invention also provides a diffractive optical element including a surface having a diffraction grating shape and formed of the cured product of the curable resin composition.

Curable resin composition, cured product, diffractive optical element, multilayer diffractive optical element, and method for producing curable resin composition

A flexible tube for an endoscope, containing: a tubular flexible tube substrate material having a flexibility; and a resin layer covering the flexible tube substrate material, in which the resin layer is adhered to the flexible tube substrate material with an adhesive hardened, the adhesive hardened contains an ester-based polyurethane resin, which is a hardened resin of an adhesive for an endoscope, and the adhesive for an endoscope contains an ester-based urethane polymer having a structure represented by a specific formula.

Flexible tube for an endoscope, adhesive for an endoscope, endoscope-type medical device, as well as method of producing a flexible tube for an endoscope and method of producing an endoscope-type medical device

Provided are a gas separation composite membrane including a gas separation layer which is formed to include a polyimide compound on the upper side of a gas permeating support, in which the solubility of the polyimide compound in dimethylacetamide at 20&#xb0; C. is 20 mg/100 g or less, and the thickness of the gas separation layer is 0.1 &#x3bc;m or greater and less than 5.0 &#x3bc;m, a method of producing the same, a gas separation module using the gas separation composite membrane, a gas separation device, and a gas separation method.

Gas separation composite membrane, gas separation module, gas separation device, gas separation method, and method of producing gas separation composite membrane

The present invention provides a gas separation composite which has high heat resistance and mechanical strength, prevents a support layer from being deformed or damaged by heat during formation of a gas separation membrane and heat during a gas separation operation, and properly supports a gas separation layer to obtain high gas permeability and gas separation properties; and a method of producing the gas separation composite. The gas separation composite includes a metal support having a plurality of through holes in the thickness direction and a gas separation layer laminated on the surface of the metal support. The thickness of the gas separation layer is in a range of 0.1 to 5 &#x3bc;m, the average opening diameter of the through holes of the metal support is in a range of 0.1 to 30 &#x3bc;m, and the opening ratio thereof is in a range of 0.05% to 10%.

Gas separation composite and method of producing same

A compound lens produced by heating and pressing a semi-cured product of a curable resin composition containing a (meth)acrylate monomer, a non-conjugated vinylidene group-containing compound, and a photo-radical initiator and a transparent substrate arranged so as to be in contact with the semi-cured product in a state in which a molding die is filled with the semi-cured product and the transparent substrate, and obtaining a cured product by allowing the semi-cured product to be thermally polymerized, exhibits an excellent transfer property, a small number of bubble mixtures, and excellent heat resistance and crack resistance.

Compound lens and method for manufacturing same

A curable resin composition comprising a (meth)acrylate monomer having an aromatic ring, a non-conjugated vinylidene group-containing compound represented by the general formula below, and a thermal or a photo-radical polymerization initiator makes it possible to produce a cured product with minimized occurrence of burring during molding and high product yield after molding. The cured product has good heat coloration resistance and low Abbe's number. R, R, R, and Rrepresent a substituent and A represents an atomic group necessary for forming a cyclic structure. 

Semi-cured product, cured product and method of manufacturing same, optical component, curable resin composition

A cellulose acetate resin composition having a cellulose acetate ether compound and a stabilizer;

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Ashigarakami-gun, Japan

Takayasu Nagai