Patents by Inventor Hiroyuki Komatsu
Hiroyuki Komatsu 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: 20240312947Abstract: A semiconductor device according to an embodiment includes: an insulating substrate having a first metal layer and a second metal layer; a semiconductor chip on the first metal layer having an upper electrode and a lower electrode connected to the first metal layer; a bonding wire having a first end portion connected to the upper electrode and a second end portion connected to the second metal layer; a first resin layer covering the semiconductor chip and the bonding wire, the first resin layer containing a first resin; a second resin layer covering a bonding portion between the first end portion and the upper electrode containing a second resin having a Young's modulus higher than that of the first resin; a third resin layer on the first resin layer, the third resin layer containing a third resin having a moisture permeability lower than that of the first resin.Type: ApplicationFiled: August 3, 2023Publication date: September 19, 2024Inventors: Tomohiro IGUCHI, Tatsuya HIRAKAWA, Shogo MINAMI, Hiroyuki MATSUO, Izuru KOMATSU
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Publication number: 20240288773Abstract: A method includes: applying a composition for forming a resist underlayer film directly or indirectly to a substrate to form a resist underlayer film; applying a composition for forming a resist film to the resist underlayer film to form a resist film; exposing the resist film to radiation; and developing the exposed resist film. The composition for forming a resist underlayer film includes: a polymer including a partial structure represented by formula (i); and a solvent. In the formula (i), Y1 is a sulfonyl group, a carbonyl group, or an alkanediyl group; Y2 is a sulfonyl group, a carbonyl group, or a single bond; when Y1 is an alkanediyl group, Y2 is a sulfonyl group or a carbonyl group, and when Y2 is a single bond, Y1 is a sulfonyl group or a carbonyl group; R1 is a monovalent organic group having 1 to 20 carbon atoms.Type: ApplicationFiled: April 16, 2024Publication date: August 29, 2024Applicant: JSR CORPORATIONInventors: Masato DOBASHI, Hiroyuki KOMATSU, Eiji YONEDA, Satoshi DEI, Kengo EHARA, Sho YOSHINAKA, Takashi KATAGIRI
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Patent number: 12071023Abstract: An electric vehicle control method for controlling a motor based on a torque command value in an electric vehicle includes: a disturbance torque estimation process of calculating a disturbance torque estimation value including an influence of a road surface gradient; a speed parameter acquisition process of acquiring a speed parameter relating to a vehicle speed; and a vehicle state control including a stop process of calculating a stopping basis torque target value so as to converge the torque command value to the disturbance torque estimation value in accordance with a decrease in the speed parameter, and a vibration damping process of calculating a stopping correction torque target value by performing filtering on the stopping basis torque target value.Type: GrantFiled: April 14, 2023Date of Patent: August 27, 2024Assignee: NISSAN MOTOR CO., LTD.Inventors: Hiroyuki Komatsu, Jun Motosugi, Akira Sawada, Yui Ito
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Patent number: 12065534Abstract: A composition includes a polymer and a solvent. The polymer includes: a structural unit including a ring structure; and a functional group capable of bonding to a metal atom. An atom chain constituting the ring structure constitutes a part of a main chain of the polymer. The polymer preferably includes at an end of the main chain or at an end of a side chain, a group including the functional group. The functional group is preferably a cyano group, a phosphono group, or a dihydroxyboryl group. The ring structure preferably includes an alicyclic structure.Type: GrantFiled: December 3, 2021Date of Patent: August 20, 2024Assignee: JSR CORPORATIONInventors: Hiroyuki Komatsu, Motohiro Shiratani, Tatsuya Sakai
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Publication number: 20240255852Abstract: A method for manufacturing a semiconductor substrate, includes applying a composition for forming a resist underlayer film directly or indirectly to a substrate to form a resist underlayer film. A composition for forming a resist film is applied to the resist underlayer film to form a resist film. The resist film is exposed to radiation. The exposed resist film is developed. The composition for forming a resist underlayer film includes: a polymer having a sulfonic acid ester structure; and a solvent.Type: ApplicationFiled: February 7, 2024Publication date: August 1, 2024Applicant: JSR CORPORATIONInventors: Hiroyuki KOMATSU, Masato DOBASHI, Satoshi DEI, Kengo EHARA, Sho YOSHINAKA, Eiji YONEDA, Takashi KATAGIRI
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Publication number: 20230391906Abstract: A production method for a cyclic olefin copolymer which is capable of efficiently producing a cyclic olefin copolymer by copolymerizing monomers including a norbornene monomer and ethylene while suppressing the formation of a polyethylene-like impurity. The monomers including a norbornene monomer and ethylene are polymerized in the presence of a metallocene catalyst containing a cyclopentadiene ligand which is substituted with an alkyl group optionally substituted with a halogen atom, or a trialkylsilyl group, and satisfies specific conditions for substituent(s).Type: ApplicationFiled: September 16, 2021Publication date: December 7, 2023Inventors: Tomoyuki Tada, Naoyuki Wakitani, Hiroyuki Komatsu
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Publication number: 20230312786Abstract: A production method for a cyclic olefin copolymer, which is capable of efficiently producing a cyclic olefin copolymer by copolymerizing monomers including a norbornene monomer and ethylene while suppressing the formation of a polyethylene-like impurity and an excessive increase in molecular weight. In the polymerization of monomers including a norbornene monomer and ethylene in the presence of a metallocene catalyst, the metallocene catalyst having a ligand including a cyclopentadiene ring and a structure in which a heteroatom being N, O, S or P is bonded to a transition metal of Group IV of the periodic table and an sp2 carbon, and an alkylmetal compound are used in combination.Type: ApplicationFiled: June 4, 2021Publication date: October 5, 2023Inventors: Hiroyuki KOMATSU, Tomoyuki TADA
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Publication number: 20230259032Abstract: A composition includes: at least one polymer represented by formula (1), formula (2), or both; and a solvent. A1 and A2 are each independently a structural unit having 2 or more carbon atoms; a plurality of A's are the same or different and a plurality of A2s are the same or different; n1 and n2 are each independently an integer of 2 to 500; R1, R2, and R3 are each independently an organic group having 1 or more carbon atoms, or R1 and R2 taken together represent a ring together with X1, Y1, and P; R1 and R2 are the same or different; X1, Y1, and Y2 are each independently a single bond, —O—, or —NR4—; R4 is an organic group having 1 or more carbon atoms; and Z1 and Z2 are each independently hydrogen or an organic group having 1 to 15 carbon atoms.Type: ApplicationFiled: April 25, 2023Publication date: August 17, 2023Applicant: JSR CORPORATIONInventors: Miki TAMADA, Ryo KUMEGAWA, Hiroyuki KOMATSU, Motohiro SHIRATANI, Ken MARUYAMA, Sosuke OSAWA
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Publication number: 20230249558Abstract: An electric vehicle control method for controlling a motor based on a torque command value in an electric vehicle includes: a disturbance torque estimation process of calculating a disturbance torque estimation value including an influence of a road surface gradient; a speed parameter acquisition process of acquiring a speed parameter relating to a vehicle speed; and a vehicle state control including a stop process of calculating a stopping basis torque target value so as to converge the torque command value to the disturbance torque estimation value in accordance with a decrease in the speed parameter, and a vibration damping process of calculating a stopping correction torque target value by performing filtering on the stopping basis torque target value.Type: ApplicationFiled: April 14, 2023Publication date: August 10, 2023Applicant: NISSAN MOTOR CO., LTD.Inventors: Hiroyuki KOMATSU, Jun MOTOSUGI, Akira SAWADA, Yui ITO
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Patent number: 11705331Abstract: A composition for use in selective modification of a base material surface includes a polymer having, at an end of a main chain or a side chain thereof, a group including a first functional group capable of forming a bond with a metal, and a solvent.Type: GrantFiled: January 14, 2021Date of Patent: July 18, 2023Assignee: JSR CORPORATIONInventors: Hiroyuki Komatsu, Tomohiro Oda, Hitoshi Osaki, Masafumi Hori, Takehiko Naruoka
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Publication number: 20230203229Abstract: A composition includes a polymer (1) having a partial structure represented by formula (1), and a solvent. X is a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group having 1 to 5 carbon atoms, a hydroxyalkyl group having 1 to 5 carbon atoms, or a halogenated alkyl group having 1 to 5 carbon atoms. Y is a monovalent organic group having 1 to 12 carbon atoms and containing a hetero atom or a monovalent inorganic acid group. Z is a linking group represented by —O—, —S—, or —NR—, where R is an organic group having 1 to 20 carbon atoms. R1 and R2 are each independently a hydrogen atom, a halogen atom, or an organic group having 1 to 20 carbon atoms, or the like.Type: ApplicationFiled: February 10, 2023Publication date: June 29, 2023Applicant: JSR CORPORATIONInventors: Miki TAMADA, Ryo KUMEGAWA, Motohiro SHIRATANI, Hiroyuki KOMATSU, Ken MARUYAMA, Sosuke OSAWA
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Patent number: 11654778Abstract: Provided is an electric vehicle control method. The electric vehicle control method includes: a disturbance torque estimation process of calculating a disturbance torque estimation value including an influence of a road surface gradient; a speed parameter acquisition process of acquiring a speed parameter relating to a vehicle speed; a stop process of calculating a stopping basis torque target value so as to converge a torque command value to the disturbance torque estimation value in accordance with a decrease of a speed parameter; and a vibration damping process of calculating a stopping correction torque target value by performing filterring on the stopping basis torque target value.Type: GrantFiled: March 6, 2020Date of Patent: May 23, 2023Assignee: NISSAN MOTOR CO., LTD.Inventors: Hiroyuki Komatsu, Jun Motosugi, Akira Sawada, Yui Ito
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Patent number: 11603480Abstract: A composition includes a polymer and a solvent. The polymer (A) satisfies at least one of the conditions (i) and (ii): (i) having in one terminal part of a main chain a block of a first structural unit that includes an amino group; and (ii) having a sulfur atom bonding to one end of the main chain, wherein a monovalent group that includes an amino group bonds to the sulfur atom.Type: GrantFiled: August 1, 2019Date of Patent: March 14, 2023Assignee: JSR CORPORATIONInventors: Hiroyuki Komatsu, Motohiro Shiratani, Miki Tamada
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Patent number: 11578230Abstract: A method of producing a substrate includes: applying a composition on a metal basal plate to form a coating film; and forming a metal-containing layer on at least a part of the coating film. The composition contains a solvent, and a polymer having a first terminal structure and a second terminal structure in a single molecule. Each of the first terminal structure and the second terminal structure is at least one selected from the group consisting of a structure represented by formula (1) and a structure represented by formula (2). A1 and A2 each independently represent a monovalent group having a functional group capable of forming a chemical bond with a metal atom. L2 represents —S—, —NR—, or —NA22-, wherein A22 represents a monovalent group having a functional group capable of forming a chemical bond with a metal atom.Type: GrantFiled: March 9, 2021Date of Patent: February 14, 2023Assignee: JSR CORPORATIONInventors: Hiroyuki Komatsu, Miki Tamada, Ryo Kumegawa, Tatsuya Sakai
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Patent number: 11525067Abstract: A modification method of a surface of a substrate includes: applying a composition on a surface of a metal substrate, and heating a coating film formed by the applying, wherein the composition contains: a polymer having a first structural unit that includes an aromatic ring, and a second structural unit that includes an ethylenic double bond; a thermal acid generating agent; and a solvent, wherein the polymer has a functional group capable of bonding to a metal atom in the metal substrate.Type: GrantFiled: July 31, 2019Date of Patent: December 13, 2022Assignee: JSR CORPORATIONInventors: Hiroyuki Komatsu, Miki Tamada, Hitoshi Osaki, Tomoki Nagai
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Patent number: 11460767Abstract: A composition for film formation includes a polymer and a solvent. The polymer includes a first repeating unit, a second repeating unit, a third repeating unit, and a structural unit on at least one end of a main chain of the polymer. The first repeating unit includes a crosslinkable group. The second repeating unit differs from the first repeating unit. The third repeating unit differs from the first repeating unit and has higher polarity than polarity of the second repeating unit. The structural unit includes an interacting group capable of interacting with Si—OH, Si—H or Si—N.Type: GrantFiled: January 4, 2019Date of Patent: October 4, 2022Assignee: JSR CORPORATIONInventors: Hiroyuki Komatsu, Tomohiro Oda, Hitoshi Osaki, Masafumi Hori, Takehiko Naruoka
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Patent number: 11462405Abstract: A pattern-forming method includes forming a prepattern and including a first polymer is formed on a silicon-containing film on a substrate. An underlayer film including a second polymer is formed in recessed portions of the prepattern. A composition for directed self-assembled film formation including a third polymer is applied on the underlayer film and the prepattern. The first polymer includes a first structural unit. The second polymer includes: a molecular chain including the first structural unit and a second structural unit that differs from the first structural unit; and an end structure that bonds to one end of the molecular chain and includes at least one selected from the group consisting of an amino group, a hydroxy group and a carboxy group. The third polymer is a block copolymer including a block of the first structural unit and a block of the second structural unit.Type: GrantFiled: October 10, 2019Date of Patent: October 4, 2022Assignee: JSR CORPORATIONInventors: Hiroyuki Komatsu, Miki Tamada, Hitoshi Osaki, Tomoki Nagai
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Patent number: 11426761Abstract: A modification method of a surface of a base includes applying a composition on a surface layer of a base to form a coating film. The surface layer contains a metal atom. The coating is heated. The composition contains a polymer and a solvent. The polymer includes at an end of a main chain or at an end of a side chain thereof, a functional group that is at least one selected from: a group represented by the following formula (1); a group containing a carbon-carbon triple bond; and a group containing an aromatic hydroxy group. In the formula (1), R1 represents a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms; and n is an integer of 1 to 10, wherein in a case in which n is no less than 2, a plurality of R1s are identical or different.Type: GrantFiled: August 24, 2020Date of Patent: August 30, 2022Assignee: JSR CORPORATIONInventors: Hiroyuki Komatsu, Miki Tamada, Hitoshi Osaki, Tomoki Nagai
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Publication number: 20220258617Abstract: Provided is an electric vehicle control method. The electric vehicle control method includes: a disturbance torque estimation process of calculating a disturbance torque estimation value including an influence of a road surface gradient; a speed parameter acquisition process of acquiring a speed parameter relating to a vehicle speed; a stop process of calculating a stopping basis torque target value so as to converge a torque command value to the disturbance torque estimation value in accordance with a decrease of a speed parameter; and a vibration damping process of calculating a stopping correction torque target value by performing filterring on the stopping basis torque target value.Type: ApplicationFiled: March 6, 2020Publication date: August 18, 2022Applicant: NISSAN MOTOR CO., LTD.Inventors: Hiroyuki KOMATSU, Jun MOTOSUGI, Akira SAWADA, Yui ITO
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Publication number: 20220259741Abstract: A composition includes a polymer and a solvent. The polymer includes a group (X) which is at least one selected from the group consisting of: a group including at least two cyano groups; a group including —B(OR)2; a group including —PO(OR)2; and a group including —P(OR)2. Each R independently represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 10 carbon atoms. The polymer preferably includes the group (X) at an end of a main chain thereof or at an end of a side chain thereof.Type: ApplicationFiled: May 3, 2022Publication date: August 18, 2022Applicant: JSR CORPORATIONInventors: Hiroyuki KOMATSU, Motohiro Shiratani