223 patents
Page 3 of 12
Utility
Photochromic curable composition, use thereof, and polyrotaxane monomers
16 May 23
Provided is a photochromic curable composition which forms a cured body that develops excellent photochromic properties.
Shinobu Izumi, Ayako Ohara, Yasutomo Shimizu, Junji Momoda
Filed: 3 Aug 17
Utility
Membrane-electrode-gasket Assembly for Alkaline Water Electrolysis
11 May 23
A membrane-electrode-gasket assembly for alkaline water electrolysis, the assembly including: a separating membrane having first and second membrane faces; a first electrode arranged in contact with the first membrane face; and an insulating gasket holding the membrane and the electrode as one body, the gasket including: first and second faces for contacting with anode- and cathode-side frames respectively; a slit part opening toward an inner side of the gasket and receiving the entire peripheries of the membrane and the electrode; first and second parts facing with each other across the slit part; and a continuous part arranged on an outer periphery side of the slit part, uniting the first and second parts into one body, and sealing an outer periphery end of the slit part, wherein the first and second parts sandwich therebetween to hold the entire peripheries of the membrane and the electrode received in the slit part into one body.
Yasuyuki TANAKA, Harumi SUEOKA
Filed: 15 Nov 22
Utility
ew6sqibx2z3gw7e3sn eojo77submv0oszmgdaq4u7473wwcayggiayal4
4 May 23
A silicon nitride powder for sintering which, despite of its fine powdery form, shows a very small increase in the oxygen concentration with time and features excellent storage stability.
Hideaki KAWAI, Satoru WAKAMATSU
Filed: 9 Apr 21
Utility
919kljslfse9mb1cagcv 75
4 May 23
An object of the present invention is to provide an etching liquid having a high silicon etch selectivity with respect to silicon-germanium and a high long term stability at a processing temperature, in surface processing during the production of various semiconductor devices, especially various silicon composite semiconductor devices containing silicon-germanium, and the problem is solved by a silicon etching liquid containing an alkaline compound, an aldehyde compound, and water, the aldehyde compound being a water-soluble aromatic aldehyde.
Naoto NOMURA, Kosuke NORO, Yoshiki SEIKE, Manami OSHIO, Yuichiro KAWABATA, Seiji TONO
Filed: 26 Oct 22
Utility
7ogvsmfj55rv4mncyx1dz3866prgwn751
4 May 23
Provided is a method for producing, with a small amount of lithium, a hexagonal boron nitride powder containing thick hexagonal boron nitride particles.
Yuichi IKEDA, Shota DAIKI, Kyoichi FUJINAMI, Teruhiko NAWATA
Filed: 10 Mar 21
Utility
umcrsv4ni6laku86x9mt0m8ppvlg3kk3y3az7phya9odf8xs822c5xo
4 May 23
Masayuki MIYAZAKI, Junji TAKENAKA, Junji MOMODA, Srinivas VENU, Katsuhiro MORI
Filed: 18 Feb 21
Utility
qfbo74nvnncoaa3k8ewwlw7cznkyaa6s46i5g4se1br8tidv2
4 May 23
To produce aluminum nitride in the form of a lump that can easily be broken down by light pulverization, which could not be obtained by a conventional combustion synthesis method.
Yasuyuki Yamamoto, Hideki Satou
Filed: 22 Jan 21
Utility
soo93k jzgt79np3lmiwibkw1fgkc0jkbatykyctrhcw0b5wd
27 Apr 23
A treatment liquid for a semiconductor containing a group 6 metal, the treatment liquid containing hypobromite ions.
Yuki KIKKAWA, Tomoaki SATO, Takafumi SHIMODA, Takayuki NEGISHI
Filed: 31 Mar 21
Utility
5iiz7qd6dom2ay7 37by66ake4zshpb0
27 Apr 23
Provided is a method for producing surface-treated silica powder that has excellent gap permeability and that allows a resin composition to have low viscosity in a case where the surface-treated silica powder is used as a resin filler, for example, for a semiconductor sealant.
Go HAMASAKA, Keiji SAIKI, Hao HU
Filed: 12 Apr 21
Utility
1ukr6bgad3u0nyfvm46zi7ggrg9dy350viactw1cnn2ry4uhiik0u9hr
20 Apr 23
Provided are: a semiconductor treatment liquid comprising high-purity isopropyl alcohol, wherein the concentration of the oxolane compound expressed in formula (1) below when held for 60 days in a nitrogen atmosphere at 50° C. in a SUS304 container is 25 ppb or less on a mass basis in relation to the isopropyl alcohol; and a method for manufacturing said semiconductor treatment liquid.
Masashi Shinagawa, Takashi Tokunaga, Yuu Mishima, Shunsuke Hosaka
Filed: 30 Mar 21
Utility
5bh7tc54mu g5r6lxuzmngfl16q0oktoxsblcswlre14v1puiu7
20 Apr 23
A device is provided which is capable of evenly etching the entire surface of a silicon core wire.
Junya SAKAI, Takuya YOKOSE
Filed: 4 Sep 20
Utility
g8g31t4l kh2ilt9m4s8e
6 Apr 23
A primer composition for optical article, the composition includes (A) an urethane prepolymer that is a reactant between (A1) a polyisocyanate compound having two or more isocyanate groups per molecule and (A2) at least one polyol compound having two or more hydroxyl groups per molecule and being selected from the group consisting of polycarbonate polyols, polyester polyols, and polycaprolactone polyols, and that has two or more isocyanate groups per molecule protected by a blocking agent; (B) an active hydrogen-containing compound having, per molecule, two or more active hydrogen functional groups having an active hydrogen; and (C) an organic solvent not having an active hydrogen.
Taichi Hanasaki, Katsuhiro Mori, Junji Takenaka, Junji Momoda
Filed: 25 Feb 21
Utility
ylcyxj6os4j0lura5zg4ns8w6rou2if8qrc283jhnn66dvkoo10iv6cfl2
6 Apr 23
The present invention provides: a photochromic curable composition which contains (A) a (meth)acrylate composition that contains from 24 to 100% by mass of a polyfunctional (meth)acrylate which has three or more (meth)acryloyl groups in each molecule and (B) a photochromic compound that is obtained by bonding at least one specific naphthopyran to a long-chain group having a number average molecular weight of from 300 to 10,000; and a photochromic optical article which is obtained by polymerizing this photochromic curable composition.
Masayuki Miyazaki, Katsuhiro Mori, Junji Momoda
Filed: 26 Feb 21
Utility
6rfmr2cfk8gthz1h mfeipf5zx9z5
30 Mar 23
An alkaline water electrolysis vessel including: an anode-side frame body defining an anode chamber; a cathode-side frame body defining a cathode chamber; an ion-permeable separating membrane being arranged between the anode-side frame body and the cathode-side frame body, and separating the anode chamber and the cathode chamber; a gasket being sandwiched by the anode-side frame body and the cathode-side frame body to be held therebetween, and holding the periphery of the separating membrane; an anode being arranged in the anode chamber without being held by the gasket; a cathode being arranged in the cathode chamber without being held by the gasket; and an electroconductive first elastic body arranged in the anode chamber, wherein the anode is a flexible first porous plate; and the anode is arranged between the separating membrane and the first elastic body, and is pushed by the first elastic body toward the cathode.
Yasuyuki TANAKA
Filed: 23 Mar 21
Utility
iiyiad2fmdffddjd5w5g8n46pdd7g6x981760lspxvmgau2mv9kal3jtu9
28 Mar 23
To prevent solidified aluminum chloride from adhering to and accumulating on a pipe and also prevent stress-corrosion cracking in the pipe, a method for producing trichlorosilane includes a cooling step of cooling a discharge gas that is discharged from a fluidized-bed reactor and that contains the trichlorosilane, the cooling step involving causing a fluid to flow through a space (4) inside a side wall (3) of a pipe (10), the pipe being a pipe for discharging the discharge gas from the fluidized-bed reactor, in such a manner that the side wall (3) has a surface (1a) having a temperature of not lower than 110° C.
Kenji Hirota, Katsuya Ogihara
Filed: 16 Nov 18
Utility
nxkdd48tfi8 lmfo2q0tje9nttkx3
23 Mar 23
Provided is a moisture curable polyurethane composition that is a moisture curable polyurethane having an isocyanate group on one end of a molecule thereof.
Toshimitsu Hiraren, Taichi Hanasaki, Katsuhiro Mori, Junji Tanenaka, Junji Momoda
Filed: 26 Feb 21
Utility
e3s3wlgms2lb4k0u9ic002bpc
23 Mar 23
An alkaline water electrolysis vessel including: a first frame body defining an anode chamber and including an electroconductive first separating wall and a first flange part; a second frame body defining a cathode chamber and including an electroconductive second separating wall and a second flange part; an ion-permeable separating membrane being arranged between the first frame body and the second frame body, and separating the anode chamber and the cathode chamber; an anode being arranged in the anode chamber, and being electrically connected with the first separating wall; and a cathode being arranged in the cathode chamber, and being electrically connected with the second separating wall, the first frame body further including: a nickel-plating layer of no less than 40 µm in thickness, and being arranged at least on a wet part of a first surface of the first frame body which faces the anode chamber.
Yasuyuki TANAKA
Filed: 23 Mar 21
Utility
7vm5uvbzdvzxvax2io2q1
16 Mar 23
A separating membrane-gasket-protecting member assembly including: an ion-permeable separating membrane; a gasket holding a periphery of the membrane; and a frame-shaped protecting member holding the gasket; the protecting member including: a frame-shaped base body; and a frame-shaped lid member; the base body including: a receiving part being arranged in an inner periphery of the base body and receiving the gasket and the lid member; and a supporting part extending toward an inner periphery side of the base body and supporting the gasket received in the receiving part in a direction crossing a main face of the membrane; and the lid member having dimensions such that the lid member can be received in the receiving part, wherein the gasket and the lid member are received in the receiving part such that the gasket is sandwiched between the supporting part and the lid member.
Yasuyuki TANAKA, Yasunori MIYAGAWA
Filed: 18 Nov 22
Utility
78xy3qs5hh1cbrhj2su087jgkyhiq3vc2mnpau4fn8jaj5yynhq
16 Mar 23
Yoshinori Tagashira, Yoshiaki Yamashita, Masato Hamamoto
Filed: 4 Feb 21
Utility
renzuvnpdmpjb7 omwvadhlqz26j9lbd4e5f63r
9 Mar 23
Provided is a silica that exhibits a high matting property when utilized as a matting agent for a paint, and can also suppress the occurrence of cloudiness.
Masahiro NAKAMURA
Filed: 1 Apr 21