Patents by Inventor Masaru Nakagawa
Masaru Nakagawa 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).
-
Patent number: 11963474Abstract: A spreader device includes a container to contain spread substance, a first spreader portion having a first rotor to spray the spread substance contained in the container, a second spreader portion having a second rotor to spray the spread substance contained in the container, a first driver source to drive the first rotor, a first shaft to transmit a driving force outputted from the first driver source, a second shaft to transmit a driving force outputted from a second driver source different from the first driver source, and a selection transmitter portion to selectively transmit the driving force form the first shaft and the driving force from the second shaft to the first rotor or the second rotor.Type: GrantFiled: December 27, 2019Date of Patent: April 23, 2024Assignee: KUBOTA CORPORATIONInventors: Sumio Yagyu, Takao Nakagawa, Masaru Kawane, Piet Jan Van Der Marel
-
Patent number: 11954546Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.Type: GrantFiled: May 25, 2021Date of Patent: April 9, 2024Assignees: SHIN-ETSU CHEMICAL CO., LTD., TOHOKU UNIVERSITYInventors: Masao Ando, Hiroyuki Yamazaki, Masaki Takeuchi, Masaru Nakagawa, Shunya Ito
-
Publication number: 20240042674Abstract: A positioning method includes a layering step of layering a first object and a second object, a detection step of detecting, after the layering step, a first signal obtained from a first array body of the first object, a second signal obtained from a second array body of the first object, a third signal obtained from the second array body of the second object, and a fourth signal obtained from the first array body of the second object, a calculating step of calculating positional deviation between the first object and the second object by respectively fitting the first to fourth signals, and an adjustment step of adjusting the positional deviation. The first array body has a first periodic structure having a period p1, and the second array body has a second periodic structure having a period p2. Neither the first array body nor the second array body of the first object overlaps the second array body or the first array body of the second object when the first object and the second object are layered.Type: ApplicationFiled: November 5, 2021Publication date: February 8, 2024Applicant: TOHOKU UNIVERSITYInventors: Masaru NAKAGAWA, Subaru HARADA, Toshiaki HAYAKAWA
-
Publication number: 20230282876Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: ApplicationFiled: February 28, 2023Publication date: September 7, 2023Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
-
Patent number: 11626616Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: GrantFiled: January 10, 2022Date of Patent: April 11, 2023Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
-
IMPRINT MOLD, METHOD FOR MANUFACTURING THE SAME AND METHOD FOR MANUFACTURING REPRODUCED IMPRINT MOLD
Publication number: 20230027061Abstract: An imprint mold having a synthetic quartz glass substrate having a transfer fine pattern formed on a surface thereof; and a coating layer formed on at least a part of the fine pattern by at least one of materials different from the substrate.Type: ApplicationFiled: July 5, 2022Publication date: January 26, 2023Applicants: Shin-Etsu Chemical Co., Ltd., TOHOKU UNIVERSITYInventors: Hiroyuki YAMAZAKI, Masao ANDO, Masaki TAKEUCHI, Masaru NAKAGAWA, Shunya ITO -
Publication number: 20220367907Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 ? or less.Type: ApplicationFiled: July 22, 2022Publication date: November 17, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Futoshi UTSUNO, Akiko NAKATA, Kota TERAI, Masaru NAKAGAWA
-
Patent number: 11444317Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 ? or less.Type: GrantFiled: August 8, 2017Date of Patent: September 13, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Akiko Nakata, Kota Terai, Masaru Nakagawa
-
Patent number: 11431024Abstract: A method for producing a solid electrolyte, including: stirring a slurry including lithium sulfide and phosphorus sulfide in a hydrocarbon solvent in a reaction vessel, and circulating the slurry through a connecting pipe by a pump. The method is carried out in an apparatus including the reaction vessel and the connecting pipe connected to the pump and the reaction vessel.Type: GrantFiled: January 21, 2021Date of Patent: August 30, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Ryo Aburatani, Minoru Senga, Tsuyoshi Ota, Masaru Nakagawa
-
Publication number: 20220131185Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: ApplicationFiled: January 10, 2022Publication date: April 28, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
-
Patent number: 11271246Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peek B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: GrantFiled: November 20, 2020Date of Patent: March 8, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
-
Publication number: 20210374495Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.Type: ApplicationFiled: May 25, 2021Publication date: December 2, 2021Applicants: Shin-Etsu Chemical Co., Ltd., TOHOKU UNIVERSITYInventors: Masao ANDO, Hiroyuki YAMAZAKI, Masaki TAKEUCHI, Masaru NAKAGAWA, Shunya ITO
-
Patent number: 11075404Abstract: A method for producing a solid electrolyte, comprising: grinding raw materials comprising lithium sulfide and phosphorus sulfide in a hydrocarbon solvent, optionally comprising stirring a slurry comprising the raw materials and the hydrocarbon solvent in a reaction vessel, and optionally, circulating the slurry through a connecting pipe, wherein the method is carried out in an apparatus comprising the grinder, the reaction vessel and the connecting pipe that connects the grinder and the reaction vessel.Type: GrantFiled: December 26, 2018Date of Patent: July 27, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Ryo Aburatani, Minoru Senga, Tsuyoshi Ota, Masaru Nakagawa
-
Publication number: 20210143473Abstract: A method for producing a solid electrolyte, including: stirring a slurry including lithium sulfide and phosphorus sulfide in a hydrocarbon solvent in a reaction vessel, and circulating the slurry through a connecting pipe by a pump. The method is carried out in an apparatus including the reaction vessel and the connecting pipe connected to the pump and the reaction vessel.Type: ApplicationFiled: January 21, 2021Publication date: May 13, 2021Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Ryo ABURATANI, Minoru SENGA, Tsuyoshi OTA, Masaru NAKAGAWA
-
Publication number: 20210075057Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peek B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: ApplicationFiled: November 20, 2020Publication date: March 11, 2021Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
-
Patent number: 10879561Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: GrantFiled: June 20, 2019Date of Patent: December 29, 2020Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
-
Patent number: 10613433Abstract: A method for producing a substrate with a fine projection-and-recess pattern which is excellent in productivity and achieves excellent pattern feature size and accuracy is provided.Type: GrantFiled: August 25, 2015Date of Patent: April 7, 2020Assignee: TOHOKU UNIVERSITYInventors: Masaru Nakagawa, Takuya Uehara, Kazuro Nagase, Hiroaki Ikedo
-
Patent number: 10483587Abstract: A sulfide solid electrolyte containing lithium, phosphorus, sulfur, and two or more of elements X selected from halogen elements, where the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a molar ratio of the sulfur to the phosphorus “b (S/P)” and a molar ratio of the element X to the phosphorus “c (X/P)” satisfy the following formula (1): 0.23<c/b<0.57??(1).Type: GrantFiled: January 3, 2019Date of Patent: November 19, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kota Terai, Futoshi Utsuno, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
-
Patent number: 10472518Abstract: Provided is a method of producing a polycarbonate-polyorganosiloxane copolymer, including a step (Q) of causing a polycarbonate oligomer and at least one of polyorganosiloxanes represented by the following general formulae (i) to (iii) to react with each other in an organic solvent, in which in the step, a solid content weight x (g/L) of the polycarbonate oligomer in 1 L of a mixed solution of the organic solvent and the polycarbonate oligomer, a concentration y (mass %) of the polyorganosiloxane in the polycarbonate-polyorganosiloxane copolymer to be obtained, and a chain length n of the polyorganosiloxane satisfy specific conditions.Type: GrantFiled: August 29, 2016Date of Patent: November 12, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tomoko Abe, Yasuhiro Ishikawa, Yohei Koori, Masaru Nakagawa
-
Publication number: 20190319305Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 ? or less.Type: ApplicationFiled: August 8, 2017Publication date: October 17, 2019Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi UTSUNO, Akiko NAKATA, Kota TERAI, Masaru NAKAGAWA