Patents by Inventor Hiroki Arai
Hiroki Arai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240150894Abstract: Examples of a cleaning method includes supplying a cleaning gas into an exhaust duct that provides an exhaust flow passage of a gas supplied to an area above a susceptor, the exhaust duct having a shape surrounding the susceptor in plan view, and activating the cleaning gas to clean an inside of the exhaust duct.Type: ApplicationFiled: January 16, 2024Publication date: May 9, 2024Inventors: Toshiharu Watarai, Hiroki Arai, Toshio Nakanishi, Yoshiyuki Kikuchi, Ryo Miyama
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Publication number: 20240120390Abstract: A trench gate type IGBT includes a plurality of trenches, including a plurality of gate trenches having a gate region inside, and a plurality of emitter trenches having an emitter region connected to an emitter electrode. A mesa section adjacent to the trench has a second mesa region, which does not function as a channel; and a contact, which connects the emitter electrode; the second mesa region being sandwiched between the gate trench and the emitter trench.Type: ApplicationFiled: December 1, 2022Publication date: April 11, 2024Inventors: TETSUYA OKADA, HIROKI ARAI
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Patent number: 11945962Abstract: The present invention provides a cationic electrodeposition coating composition that has both good anti-cissing property and good coating film appearance. This is a cationic electrodeposition coating composition containing a silicone compound (A) having an SP value of more than 10.5 and 15.0 or less, and a film forming resin (B), wherein the silicone compound (A) is contained in an amount of 0.01 parts by mass or more and 4.5 parts by mass or less per 100 parts by mass of the resin solid content of the film forming resin (B). For example, the silicone compound (A) is at least one species selected from the group consisting of a polyether modified silicone compound (A-1), a polyester modified silicone compound (A-2), and a polyacrylic modified silicone compound (A-3).Type: GrantFiled: December 12, 2019Date of Patent: April 2, 2024Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.Inventors: Masayuki Kotani, Yuko Hasegawa, Yasuyuki Furuya, Keigo Obata, Keisuke Tsutsui, Hiroki Arai, Hiroyoshi Yamazaki
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Publication number: 20240084164Abstract: The present invention provides a cationic electrodeposition coating composition that has both good anti-cissing property and good coating film appearance. This is a cationic electrodeposition coating composition containing a silicone compound (A) having an SP value of more than 10.5 and 15.0 or less, and a film forming resin (B), wherein the silicone compound (A) is contained in an amount of 0.01 parts by mass or more and 4.5 parts by mass or less per 100 parts by mass of the resin solid content of the film forming resin (B). For example, the silicone compound (A) is at least one species selected from the group consisting of a polyether modified silicone compound (A-1), a polyester modified silicone compound (A-2), and a polyacrylic modified silicone compound (A-3).Type: ApplicationFiled: November 9, 2023Publication date: March 14, 2024Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.Inventors: Masayuki KOTANI, Yuko HASEGAWA, Yasuyuki FURUYA, Keigo OBATA, Keisuke TSUTSUI, Hiroki ARAI, Hiroyoshi YAMAZAKI
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Patent number: 11926216Abstract: A vibration damping device including a vibration-damping device main unit inserted into a mounting space of a bracket from a lateral side and securely supported by the bracket. The bracket includes engaging pieces on respective opposed inside faces of the mounting space, and engaging action of the engaging pieces with respect to respective detent engaging faces formed on a fixture member of the vibration-damping device main unit prevents the vibration-damping device main unit from becoming dislodged from the mounting space of the bracket. Opposed walls of the mounting space are each penetrated by an aperture window, and inspection flat surfaces are separately provided to an outside surface of each engaging piece visible from an outside through the aperture window and a corresponding external side surface of the bracket that is off the aperture window. The inspection flat surfaces are parallel to each other.Type: GrantFiled: December 23, 2021Date of Patent: March 12, 2024Assignees: SUMITOMO RIKO COMPANY LIMITED, HONDA MOTOR CO., LTD.Inventors: Kenji Oki, Shingo Tanaka, Hiroki Kondo, Yusuke Arai, Kozo Kubota
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Patent number: 11927923Abstract: A management apparatus in a time synchronization system includes a time variation information receiving unit configured to acquire time variation information and position information of a time synchronization apparatus, a position information classifying unit configured to classify time synchronization apparatuses into predetermined categories based on the acquired position information, a time variation analysis configured to determine majority based on whether patterns of time variation of the time synchronization apparatuses belonging to an identical category are identical to each other, and to analyze the time variation based on the determined results, and a filtering and delivery unit configured to output an instruction to block the time information received from the positioning satellite, to the time synchronization apparatus having abnormal time variation.Type: GrantFiled: March 5, 2019Date of Patent: March 12, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Takaaki Hisashima, Hiroki Sakuma, Kaoru Arai, Ryuta Sugiyama, Shunichi Tsuboi, Osamu Kurokawa, Kazuyuki Matsumura
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Patent number: 11911209Abstract: An imaging member including: a pressing member that presses a breast of a subject; and an ultrasonography member that has a first surface on which an acoustic matching member having fluidity is provided, and is provided such that a second surface on a side opposite to the first surface is provided on a surface of the pressing member, which is on a side opposite to a surface that comes into contact with the breast, via a coupling material having lower fluidity than the acoustic matching member.Type: GrantFiled: November 21, 2022Date of Patent: February 27, 2024Assignee: FUJIFILM CORPORATIONInventors: Takahisa Arai, Hiroki Nakayama, Yoshie Fujimoto, Shunsuke Kodaira
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Publication number: 20240044006Abstract: A substrate processing method includes forming a carbon film on a substrate by plasma CVD using a processing gas including a carbon-containing gas; and performing a plasma post-processing on the formed carbon film, thereby reducing film stress of the carbon film by plasma of the processing gas including helium gas or a mixture of helium gas and argon gas but not including hydrogen.Type: ApplicationFiled: December 7, 2021Publication date: February 8, 2024Inventors: Hiroki ARAI, Tadashi MITSUNARI
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Patent number: 11891504Abstract: A polyacetal resin composition contains a polyacetal copolymer (A) in an amount of 100 parts by mass, the polyacetal copolymer resin having a hemiformal terminal group amount of 0.8 mmol/kg or less, an antioxidant (B) in an amount of 0.5 to 3.0 parts by mass, at least one of zinc oxide or magnesium oxide (C) having an average particle diameter of 5 ?m or less in an amount of more than 2.0 parts by mass and 12 parts by mass or less, carbon black (D) having a BET specific surface area of 300 to 400 m2/g in an amount of 5.0 to 16 parts by mass, and polyalkylene glycol (E) in an amount of 0.5 to 3.0 parts by mass.Type: GrantFiled: September 10, 2021Date of Patent: February 6, 2024Assignee: POLYPLASTICS CO., LTD.Inventors: Yuuki Kanda, Tomohiro Monma, Hiroki Arai
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Publication number: 20230374288Abstract: A polyacetal resin composition contains a polyacetal copolymer (A) in an amount of 100 parts by mass, the polyacetal copolymer resin having a hemiformal terminal group amount of 0.8 mmol/kg or less, an antioxidant (B) in an amount of 0.5 to 3.0 parts by mass, at least one of zinc oxide or magnesium oxide (C) having an average particle diameter of 5 ?m or less in an amount of more than 2.0 parts by mass and 12 parts by mass or less, carbon black (D) having a BET specific surface area of 300 to 400 m2/g in an amount of 5.0 to 16 parts by mass, and polyalkylene glycol (E) in an amount of 0.5 to 3.0 parts by mass.Type: ApplicationFiled: September 10, 2021Publication date: November 23, 2023Applicant: Polyplastics Co., Ltd.Inventors: Yuuki Kanda, Tomohiro Monma, Hiroki Arai
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Publication number: 20230331977Abstract: A polyacetal resin composition contains a polyacetal copolymer resin (A) in an amount of 100 parts by mass, the polyacetal copolymer resin having a hemiformal terminal group amount of 0.8 mmol/kg or less, a hindered phenol-based antioxidant (B) in an amount of 0.2 to 2.0 parts by mass, at least one of magnesium oxide or zinc oxide (C) in an amount of more than 2.0 parts by mass and 20 parts by mass or less, a carbon-based conductive additive (D) in an amount of 0.3 to 2.5 parts by mass, and polyalkylene glycol (E) in an amount of 0.5 to 3.0 parts by mass, wherein the carbon-based conductive additive (D) is one selected from a group consisting of only a carbon nano-structure (D1) and a combination of the carbon nano-structure (D1) and carbon black (D2) having a BET specific surface area of 300 m2/g or more.Type: ApplicationFiled: September 27, 2021Publication date: October 19, 2023Applicant: POLYPLASTICS CO., LTD.Inventors: Yuuki Kanda, Tomohiro Monma, Hiroki Arai
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Publication number: 20230331978Abstract: A polyacetal resin composition that allows molded articles to be inhibited from being deteriorated by contact with acidic detergents, and in which the portions that have contacted the detergents are inhibited from being deteriorated by light. The polyacetal resin composition includes 100 parts by mass of a polyacetal polymer, 0.1-2.0 parts by mass of a hindered-phenol-based antioxidant, 2.0-20 parts, excluding 2.0 parts, by mass of at least one of magnesium oxide and zinc oxide,0.5-3.0 parts by mass of a polyalkylene glycol, 0.2-1.5 parts by mass of a hindered amine compound, and 0.2-1.5 parts by mass of an ultraviolet absorber.Type: ApplicationFiled: June 21, 2023Publication date: October 19, 2023Inventors: Yuhei HOSOI, Akihiro TAMAOKA, Hiroki ARAI, Tomohiro MONMA
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Patent number: 11761084Abstract: A substrate processing apparatus includes a stage provided in a chamber, a shower head in which a plurality of slits are formed and which is opposed to the stage, a first gas supply part which supplies a first gas to a space between the stage and the shower head via the plurality of slits, and a second gas supply part which supplies a second gas which is not a noble gas to a region below the stage, wherein the second gas is the same gas as one of a plurality of kinds of gases constituting the first gas in a case where the first gas is a mixture gas constituted of the plurality of kinds of gases, and the second gas is the same gas as the first gas in a case where the first gas is a single kind of gas.Type: GrantFiled: December 2, 2016Date of Patent: September 19, 2023Assignee: ASM IP Holding B.V.Inventors: Hiroki Arai, Yukihiro Mori, Yuya Nonaka
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Patent number: 11746225Abstract: Disclosed herein is a resin composition including an ethylene-acrylic acid alkyl ester copolymer (L), a graft copolymer (M), and a styrene-based elastomer (N), wherein the graft copolymer (M) is obtained by a reaction among an ethylene-acrylic acid alkyl ester copolymer (A), a monomer component (B) containing at last one monomer selected from the group consisting of a (meth)acrylic acid alkyl ester monomer and an aromatic vinyl monomer, and t-butyl peroxymethacryloyloxyethyl carbonate (C), and a weight ratio between the ethylene-acrylic acid alkyl ester copolymer (A) and the monomer component (B) ((A)/(B)) is 50/50 to 98/2. The resin composition is capable of reducing squeaking noises generated by contact between a thermoplastic resin molded body and leather.Type: GrantFiled: February 5, 2020Date of Patent: September 5, 2023Assignee: NOF CORPORATIONInventors: Hiroki Arai, Kazuaki Mima
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Publication number: 20230266316Abstract: An object of the present invention is to demonstrate the existence of a heterodimer of somatostatin receptor subtype 1 (SSTR1) and somatostatin receptor subtype 4 (SSTR4) and also to provide a method for screening a factor that binds to such a heterodimer and the heterodimer that can be used in the screening method. A transformant expressing a heterodimer of somatostatin receptor subtype 1 and somatostatin receptor subtype 4, into which DNA encoding somatostatin receptor subtype 1 and DNA encoding somatostatin receptor subtype 4 have been introduced. A method for screening a compound that interacts with a heterodimer of somatostatin receptor subtype 1 and somatostatin receptor subtype 4, comprising selecting the compound that interacts with the heterodimer from test compounds.Type: ApplicationFiled: September 30, 2020Publication date: August 24, 2023Inventors: Takaomi Saido, Takashi Saito, Shoko Matsuba, Satoshi Tsubuki, Yukio Matsuba, Hiroki Arai, Naomi Mihira, Risa Takamura
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Publication number: 20230248587Abstract: Underpants-type disposable wearing articles are provided wherein transverse tearing is hard to develop at a stacked sheet number change part in the outer member. This problem is solved by an underpants-type disposable wearing article, in which cuts 61 each extending longitudinally across a stacked sheet number change part 62 where the number of stacked sheets constituting the outer member 20 varies are formed adjacent on the central side in the width direction of a side seal 21 formed by joining the front and body sections together along the opposed lateral portions, and which is free of a perforated line formed from the waist opening toward the leg opening.Type: ApplicationFiled: May 25, 2021Publication date: August 10, 2023Applicant: DAIO PAPER CORPORATIONInventor: Hiroki Arai
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Patent number: 11634576Abstract: A polyacetal resin composition capable of minimizing degradation when a molded body thereof comes into contact with an acidic cleaner. The polyacetal resin composition contains with respect to (A) 100 parts by mass of a polyacetal copolymer in which the amount of a hemiformal end group is 0.8 mmol/kg or less, (B) more than 1.0 parts by mass and at most 5.0 parts by mass of a hindered phenol-based antioxidant, and (C) more than 4.0 parts by mass and at most 30 parts by mass of magnesium oxide.Type: GrantFiled: April 24, 2019Date of Patent: April 25, 2023Assignee: POLYPLASTICS CO., LTD.Inventors: Hiroki Arai, Tomohiro Monma
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Publication number: 20230124217Abstract: A plasma processing apparatus comprising: a chamber; a lower electrode provided in the chamber and included in a substrate support mounts a substrate thereon; an upper electrode provided in the chamber and disposed to face the lower electrode; a gas supply configured to supply a processing gas between the upper electrode and the lower electrode; a high-frequency power supply electrically connected to the upper electrode and configured to generate a plasma of the processing gas by applying a high-frequency voltage to the upper electrode; and a circuit portion electrically connected between the high-frequency power supply and the lower electrode and provides a potential to the lower electrode. The circuit portion provides the potential to the lower electrode by causing a current to flow from the high-frequency power supply toward the lower electrode when a potential of the high-frequency power supply is higher than a potential of the lower electrode.Type: ApplicationFiled: October 19, 2022Publication date: April 20, 2023Inventors: Takahiro SHINDO, Hiroki ARAI
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Publication number: 20220388208Abstract: A casing member for an in-vehicle camera, obtained by injection molding a resin composition that comprises 100 to 300 parts by mass of a total of a fibrous inorganic filler and a non-fibrous inorganic filler to 100 parts by mass of a polyarylene sulfide resin and has a content of an elastomer of 10% by mass or less, and satisfying the following conditions (A) and (B). (A) When a molded product of a predetermined shape is injection molded using the resin composition under predetermined conditions, an absolute value of (shrinkage rate in a direction perpendicular to a flow direction)?(shrinkage rate in the flow direction) is 0.5% or less. (B) A water absorption rate of a molded product of a predetermined shape that is injection molded using the resin composition under predetermined conditions is 0.3% or less when subjected to a predetermined hot water immersion test.Type: ApplicationFiled: September 16, 2020Publication date: December 8, 2022Applicant: Polyplastics Co., Ltd.Inventors: Takashi FUJITA, Hiroki ARAI
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Publication number: 20220098397Abstract: Disclosed herein is a resin composition including an ethylene-acrylic acid alkyl ester copolymer (L), a graft copolymer (M), and a styrene-based elastomer (N), wherein the graft copolymer (M) is obtained by a reaction among an ethylene-acrylic acid alkyl ester copolymer (A), a monomer component (B) containing at last one monomer selected from the group consisting of a (meth)acrylic acid alkyl ester monomer and an aromatic vinyl monomer, and t-butyl peroxymethacryloyloxyethyl carbonate (C), and a weight ratio between the ethylene-acrylic acid alkyl ester copolymer (A) and the monomer component (B) ((A)/(B)) is 50/50 to 98/2. The resin composition is capable of reducing squeaking noises generated by contact between a thermoplastic resin molded body and leather.Type: ApplicationFiled: February 5, 2020Publication date: March 31, 2022Applicant: NOF CORPORATIONInventors: Hiroki ARAI, Kazuaki MIMA