Patents by Inventor Hiroyuki Matsumura
Hiroyuki Matsumura 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: 20240085256Abstract: A load sensor is configured to detect, as change in capacitance, change, in a contact area between an electrically-conductive elastic body and a dielectric body, that occurs due to a load applied to an upper face of the load sensor. In the load sensor, a plurality of sensor parts each configured to detect the load are disposed so as to be arranged in a plane direction, and a buffer part configured to suppress displacement of the upper face due to the load applied to a first sensor part from being propagated to a second sensor part adjacent to the first sensor part is disposed between the first sensor part and the second sensor part.Type: ApplicationFiled: November 13, 2023Publication date: March 14, 2024Inventors: Yodai MATSUMURA, Takashi MATSUMOTO, Susumu URAGAMI, Yuta MORIURA, Takafumi HAMANO, Hiroyuki FURUYA
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Patent number: 11928591Abstract: An information processing apparatus and an information processing method capable of accurately recognizing an object to be sensed are provided. One or a plurality of learning models are selected from among learning models corresponding to a plurality of categories, a priority of each of the selected learning models is set, observation data obtained by sequentially compounding pieces of sensor data applied from a sensor is analyzed using the learning model and the priority of the learning model, a setting of sensing at a next cycle is selected based on an analysis result, predetermined control processing is executed in such a manner that the sensor performs sensing at the selected setting of sensing, and the learning model corresponding to the category estimated as the category to which a current object to be sensed belongs with a highest probability is selected based on the categories to each of which the previously recognized object to be sensed belongs.Type: GrantFiled: February 22, 2021Date of Patent: March 12, 2024Assignee: Hitachi, Ltd.Inventors: Kanako Esaki, Tadayuki Matsumura, Hiroyuki Mizuno, Kiyoto Ito
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Patent number: 11920021Abstract: An object of the present invention is to provide a cellulose acetate with excellent biodegradability in seawater. A cellulose acetate having a total degree of acetyl substitution of not greater than 2.7, a ratio ? of a sum of a degree of acetyl substitution at the 2-position and a degree of acetyl substitution at the 3-position to a degree of acetyl substitution at the 6-position in the total degree of acetyl substitution of not less than 2.0, and a sulfate component amount of greater than 20 ppm and not greater than 400 ppm.Type: GrantFiled: December 9, 2019Date of Patent: March 5, 2024Assignee: DAICEL CORPORATIONInventors: Hiroyuki Matsumura, Kyokutou Ga, Masaaki Kusumoto
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Patent number: 11643476Abstract: A cellulose ester, wherein, in a structural formula of the following general formula (I), a degree of substitution where X is an acyl group is from 2.91 to 3.0; the acyl group includes benzoyl group (A) optionally having a substituent, and benzoyl group (B) optionally having a substituent different from that of benzoyl group (A); and when the degree of substitution is 3.0, a degree of substitution of benzoyl group (A) is from 1.5 to 2.9, and a degree of substitution of benzoyl group (B) is from 0.1 to 1.5, wherein all or some of X represents an acyl group; when some of X represents an acyl group, the remainder represents a group selected from a hydrogen atom and an alkyl group; and n represents an integer of from 20 to 20,000.Type: GrantFiled: January 20, 2021Date of Patent: May 9, 2023Assignee: DAICEL CORPORATIONInventors: Tomohiro Hashizume, Hiroyuki Matsumura, Tohru Shibata, Hiroshi Koyama, Mitsuru Ohno, Tomoichi Watabe
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Publication number: 20230130981Abstract: This cellulose acetate has a total degree of acetyl substitution of 1.75 or more and 2.55 or less, and a degree of acetyl substitution at 2-position or a degree of acetyl substitution at 3-position is 0.7 or less. This cellulose acetate composition includes the cellulose acetate and an additive. The additive is one or more selected from the group consisting of (a) substances of which a pH of a 1 wt. % aqueous solution at 20° C. is 8 or more, (b) substances that dissolve in water at 20° C. in an amount of 2 wt. % or more, and (c) substances that exhibit biodegradability in seawater.Type: ApplicationFiled: December 22, 2022Publication date: April 27, 2023Applicant: Daicel CorporationInventors: Hiroyuki MATSUMURA, Hiroki TANIGUCHI, Akihiro HIGUCHI, Tomohiro HASHIZUME, Masaaki KUSUMOTO
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Patent number: 11572457Abstract: This cellulose acetate has a total degree of acetyl substitution of 1.75 or more and 2.55 or less, and a degree of acetyl substitution at 2-position or a degree of acetyl substitution at 3-position is 0.7 or less. This cellulose acetate composition includes the cellulose acetate and an additive. The additive is one or more selected from the group consisting of (a) substances of which a pH of a 1 wt. % aqueous solution at 20° C. is 8 or more, (b) substances that dissolve in water at 20° C. in an amount of 2 wt. % or more, and (c) substances that exhibit biodegradability in seawater.Type: GrantFiled: April 8, 2022Date of Patent: February 7, 2023Assignee: DAICEL CORPORATIONInventors: Hiroyuki Matsumura, Hiroki Taniguchi, Akihiro Higuchi, Tomohiro Hashizume, Masaaki Kusumoto
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Publication number: 20220325004Abstract: Provided is a method that enables industrially efficient production of an esterified polysaccharide product. A method for producing an esterified polysaccharide product, the method including reacting a polysaccharide-containing biomass, a basic ionic liquid with a pKa of a conjugate acid of an anion from 2 to 19 as a calculated value in a vacuum, and an esterifying agent using a kneader equipped with a shear force application mechanism. A cation constituting the basic ionic liquid is preferably one selected from the group consisting of an imidazolium cation, a pyridinium cation, and a tetraalkylammonium cation.Type: ApplicationFiled: June 4, 2019Publication date: October 13, 2022Applicants: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY, DAICEL CORPORATIONInventors: Daisuke HIROSE, Masashi GENDA, Naoki WADA, Kentaro TAKI, Kenji TAKAHASHI, Hiroyuki MATSUMURA
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Publication number: 20220267574Abstract: An object of the present invention is to provide a cellulose acetate with excellent biodegradability in seawater. A cellulose acetate having a total degree of acetyl substitution of not greater than 2.7, a ratio ? of a sum of a degree of acetyl substitution at the 2-position and a degree of acetyl substitution at the 3-position to a degree of acetyl substitution at the 6-position in the total degree of acetyl substitution of not less than 2.0, and a sulfate component amount of greater than 20 ppm and not greater than 400 ppm.Type: ApplicationFiled: December 9, 2019Publication date: August 25, 2022Applicant: DAICEL CORPORATIONInventors: Hiroyuki MATSUMURA, Kyokutou GA, Masaaki KUSUMOTO
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Publication number: 20220227973Abstract: This cellulose acetate has a total degree of acetyl substitution of 1.75 or more and 2.55 or less, and a degree of acetyl substitution at 2-position or a degree of acetyl substitution at 3-position is 0.7 or less. This cellulose acetate composition includes the cellulose acetate and an additive. The additive is one or more selected from the group consisting of (a) substances of which a pH of a 1 wt. % aqueous solution at 20° C. is 8 or more, (b) substances that dissolve in water at 20° C. in an amount of 2 wt. % or more, and (c) substances that exhibit biodegradability in seawater.Type: ApplicationFiled: April 8, 2022Publication date: July 21, 2022Applicant: Daicel CorporationInventors: Hiroyuki MATSUMURA, Hiroki TANIGUCHI, Akihiro HIGUCHI, Tomohiro HASHIZUME, Masaaki KUSUMOTO
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Patent number: 11298372Abstract: The present invention provides novel compositions for suppressing or improving hair loss, and compositions for suppressing or improving graying. More specifically, it provides agents that stabilize type XVII collagen expression, preferably agents that suppress the degradation of type XVII collagen by ELANE inhibitors and such, and compositions comprising a DNA repair-promoting agent or a DNA damage-suppressing agent as an active ingredient. Advantageous suppressive effects of hair loss and graying can be obtained when a composition comprising as an active ingredient a suppressive agent of type XVII collagen degradation such as an ELANE inhibitor is administered to a mammal. For the ELANE inhibitors, suppressive agents of type XVII collagen degradation and DNA repair-promoting agents, low-molecular compounds, polypeptides, proteins, antibodies, or nucleic acid medicine such as antisense oligos or siRNAs may be used.Type: GrantFiled: May 28, 2020Date of Patent: April 12, 2022Assignee: National University Corporation Tokyo Medical and Dental UniversityInventors: Emi Nishimura, Hiroyuki Matsumura
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Publication number: 20210139611Abstract: A cellulose ester, wherein, in a structural formula of the following general formula (I), a degree of substitution where X is an acyl group is from 2.91 to 3.0; the acyl group includes benzoyl group (A) optionally having a substituent, and benzoyl group (B) optionally having a substituent different from that of benzoyl group (A); and when the degree of substitution is 3.0, a degree of substitution of benzoyl group (A) is from 1.5 to 2.9, and a degree of substitution of benzoyl group (B) is from 0.1 to 1.5, wherein all or some of X represents an acyl group; when some of X represents an acyl group, the remainder represents a group selected from a hydrogen atom and an alkyl group; and n represents an integer of from 20 to 20,000.Type: ApplicationFiled: January 20, 2021Publication date: May 13, 2021Applicant: Daicel CorporationInventors: Tomohiro HASHIZUME, Hiroyuki MATSUMURA, Tohru SHIBATA, Hiroshi KOYAMA, Mitsuru OHNO, Tomoichi WATABE
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Patent number: 10994583Abstract: A stabilizer bushing for adhesive use including: a tubular rubber elastic body whose inner circumferential surface being configured to be adhered to a stabilizer bar; a bracket mounted onto an outer circumferential surface of the rubber elastic body and configured to be attached to a vehicle body; and concave/convex mated parts provided on axially opposite portions between the rubber elastic body and the bracket, the concave/convex mated parts protruding radially outward, wherein a mated height dimension of the concave/convex mated part is varied in a circumferential direction, and is made small at a position of input of a main radial load in the rubber elastic body.Type: GrantFiled: February 21, 2019Date of Patent: May 4, 2021Assignees: SUMITOMO RIKO COMPANY LIMITED, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyuki Matsumura, Masaki Shirashige, Motoyuki Shibata
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Patent number: 10927190Abstract: A cellulose ester, wherein, in a structural formula of the following general formula (I), a degree of substitution where X is an acyl group is from 2.91 to 3.0; the acyl group includes benzoyl group (A) optionally having a substituent, and benzoyl group (B) optionally having a substituent different from that of benzoyl group (A); and when the degree of substitution is 3.0, a degree of substitution of benzoyl group (A) is from 1.5 to 2.9, and a degree of substitution of benzoyl group (B) is from 0.1 to 1.5, wherein all or some of X represents an acyl group; when some of X represents an acyl group, the remainder represents a group selected from a hydrogen atom and an alkyl group; and n represents an integer of from 20 to 20,000.Type: GrantFiled: April 4, 2017Date of Patent: February 23, 2021Assignee: DAICEL CORPORATIONInventors: Tomohiro Hashizume, Hiroyuki Matsumura, Tohru Shibata, Hiroshi Koyama, Mitsuru Ohno, Tomoichi Watabe
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Patent number: 10926230Abstract: Provided is a semipermeable membrane having a high chlorine resistance. The semipermeable membrane is formed of a cellulose ester, the cellulose ester having an optionally substituted benzoyl group.Type: GrantFiled: March 24, 2017Date of Patent: February 23, 2021Assignee: DAICEL CORPORATIONInventors: Tomohiro Hashizume, Hiroyuki Matsumura, Tohru Shibata, Mitsuru Ohno
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Publication number: 20200289541Abstract: The present invention provides novel compositions for suppressing or improving hair loss, and compositions for suppressing or improving graying. More specifically, it provides agents that stabilize type XVII collagen expression, preferably agents that suppress the degradation of type XVII collagen by ELANE inhibitors and such, and compositions comprising a DNA repair-promoting agent or a DNA damage-suppressing agent as an active ingredient. Advantageous suppressive effects of hair loss and graying can be obtained when a composition comprising as an active ingredient a suppressive agent of type XVII collagen degradation such as an ELANE inhibitor is administered to a mammal. For the ELANE inhibitors, suppressive agents of type XVII collagen degradation and DNA repair-promoting agents, low-molecular compounds, polypeptides, proteins, antibodies, or nucleic acid medicine such as antisense oligos or siRNAs may be used.Type: ApplicationFiled: May 28, 2020Publication date: September 17, 2020Inventors: Emi NISHIMURA, Hiroyuki Matsumura
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Publication number: 20200270368Abstract: Provided is a semipermeable membrane with high chlorine resistance and high alkali resistance. A cellulose mixed ester represented by a structural formula of General Formula (I), wherein when X is an aromatic acyl group, a degree of substitution is from 2.91 to 3.0; the aromatic acyl group includes a benzoyl group (A) that may include a substituent, and an aromatic acyl group (B) containing a carboxyl group or a salt of a carboxyl group; when the degree of substitution is 3.0, a degree of substitution of the benzoyl group (A) that may include a substituent is from 2.4 to 2.95, and a degree of substitution of the aromatic acyl group (B) containing a carboxyl group or a salt of a carboxyl group is from 0.05 to 0.6; and in General Formula (I), all or part of Xs are aromatic acyl groups; when part of Xs are aromatic acyl groups, the remainder represents a hydrogen atom or an alkyl group; and n represents an integer from 20 to 20000.Type: ApplicationFiled: August 22, 2018Publication date: August 27, 2020Applicant: Daicel CorporationInventors: Tomohiro HASHIZUME, Hiroyuki MATSUMURA, Tohru SHIBATA, Hiroshi KOYAMA, Mitsuru OHNO
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Patent number: 10702544Abstract: The present invention provides novel compositions for suppressing or improving hair loss, and compositions for suppressing or improving graying. More specifically, it provides agents that stabilize type XVII collagen expression, preferably agents that suppress the degradation of type XVII collagen by ELANE inhibitors and such, and compositions comprising a DNA repair-promoting agent or a DNA damage-suppressing agent as an active ingredient. Advantageous suppressive effects of hair loss and graying can be obtained when a composition comprising as an active ingredient a suppressive agent of type XVII collagen degradation such as an ELANE inhibitor is administered to a mammal. For the ELANE inhibitors, suppressive agents of type XVII collagen degradation and DNA repair-promoting agents, low-molecular compounds, polypeptides, proteins, antibodies, or nucleic acid medicine such as antisense oligos or siRNAs may be used.Type: GrantFiled: January 11, 2017Date of Patent: July 7, 2020Assignee: National University Corporation Tokyo Medical and Dental UniversityInventors: Emi Nishimura, Hiroyuki Matsumura
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Publication number: 20190263214Abstract: A stabilizer bushing for adhesive use including: a tubular rubber elastic body whose inner circumferential surface being configured to be adhered to a stabilizer bar; a bracket mounted onto an outer circumferential surface of the rubber elastic body and configured to be attached to a vehicle body; and concave/convex mated parts provided on axially opposite portions between the rubber elastic body and the bracket, the concave/convex mated parts protruding radially outward, wherein a mated height dimension of the concave/convex mated part is varied in a circumferential direction, and is made small at a position of input of a main radial load in the rubber elastic body.Type: ApplicationFiled: February 21, 2019Publication date: August 29, 2019Applicants: SUMITOMO RIKO COMPANY LIMITED, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyuki MATSUMURA, Masaki SHIRASHIGE, Motoyuki SHIBATA
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Publication number: 20190161557Abstract: A cellulose ester, wherein, in a structural formula of the following general formula (I), a degree of substitution where X is an acyl group is from 2.91 to 3.0; the acyl group includes benzoyl group (A) optionally having a substituent, and benzoyl group (B) optionally having a substituent different from that of benzoyl group (A); and when the degree of substitution is 3.0, a degree of substitution of benzoyl group (A) is from 1.5 to 2.9, and a degree of substitution of benzoyl group (B) is from 0.1 to 1.5, wherein all or some of X represents an acyl group; when some of X represents an acyl group, the remainder represents a group selected from a hydrogen atom and an alkyl group; and n represents an integer of from 20 to 20,000.Type: ApplicationFiled: April 4, 2017Publication date: May 30, 2019Applicant: Daicel CorporationInventors: Tomohiro HASHIZUME, Hiroyuki MATSUMURA, Tohru SHIBATA, Hiroshi KOYAMA, Mitsuru OHNO, Tomoichi WATABE
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Publication number: 20190151806Abstract: Provided is a semipermeable membrane having a high chlorine resistance. The semipermeable membrane is formed of a cellulose ester, the cellulose ester having an optionally substituted benzoyl group.Type: ApplicationFiled: March 24, 2017Publication date: May 23, 2019Applicant: DAICEL CORPORATIONInventors: Tomohiro HASHIZUME, Hiroyuki MATSUMURA, Tohru SHIBATA, Mitsuru OHNO