Patents by Inventor Masatoshi Shimizu
Masatoshi Shimizu 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: 20240132757Abstract: The present invention relates to a pressure-sensitive adhesive composition including a base polymer and a material that is discolored by water or water vapor, a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer containing the pressure-sensitive adhesive composition, a method for producing the pressure-sensitive adhesive composition, and a method for attaching the pressure-sensitive adhesive sheet to an adherend and detecting presence of the water or the water vapor in the attached location.Type: ApplicationFiled: February 3, 2022Publication date: April 25, 2024Inventors: Yosuke SHIMIZU, Sayaka YAMASHITA, Kyotaro YAMADA, Masatoshi KATO
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Patent number: 11959198Abstract: A knit fabric production method includes a step of producing a knit fabric K1 from an untwisted yarn Y0 while producing the untwisted yarn Y0 by disposing a fiber bundle FB around a linear core member CP formed of a soluble polymer, falsely twisting the fiber bundle FB by using an air flow swirling in a predetermined first direction and simultaneously causing open end fibers OF to adhere to an outer circumferential surface of the falsely twisted fiber bundle FB by using an air flow swirling in a second direction opposite the first direction, and untwisting the falsely twisted fiber bundle FB.Type: GrantFiled: November 12, 2019Date of Patent: April 16, 2024Assignee: KONDO COTTON SPINNING CO., LTD.Inventors: Masatoshi Kawakami, Yoshiaki Watai, Kyosuke Kanda, Yuki Shimizu
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Patent number: 11951772Abstract: In a pneumatic tire, a tread portion includes a main groove extending in a circumferential direction, and land portions defined by the main groove. A center region is a region where a center land portion included in the land portions is closest to a tire equatorial plane. Shoulder regions are each a region between a position corresponding to 85% of a width of the belt layer in a lateral direction and an end portion of the belt layer in the lateral direction, and intermediate regions are each a region between the center region and a corresponding one of the shoulder regions. A relationship among a tire average thickness Gc in the center region, a tire average thickness Gsh in the shoulder regions, and a tire average thickness Gm in the intermediate regions is within a range of 1.05?(Gc/Gsh)?1.35 and satisfies Gc?Gm>Gsh.Type: GrantFiled: October 15, 2018Date of Patent: April 9, 2024Assignee: The Yokohama Rubber Co., Ltd.Inventor: Masatoshi Shimizu
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Publication number: 20230059387Abstract: A mounting base (14) is fixed to an antenna (13) or an antenna bracket (15) for supporting the antenna (13). A baseband unit (11) and an RF unit (12) are fixed to the mounting base (14). The baseband unit (11) fixed to the mounting base (14) is disposed to face a back part (132) of the antenna (13) and to form a space between the back part (132) and the first enclosure (111). The RF unit (12) fixed to the mounting base (14) is disposed in the space formed between the back part (132) of the antenna (13) and the baseband unit (11) and is coupled to a waveguide flange (132) of the antenna (13). Thus, for example, in a configuration of a point-to-point wireless apparatus in which an RF unit and a baseband unit are separated, restrictions on installation space of the apparatus can be facilitated.Type: ApplicationFiled: November 7, 2022Publication date: February 23, 2023Applicant: NEC CorporationInventor: Masatoshi SHIMIZU
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Patent number: 11522570Abstract: A mounting base (14) is fixed to an antenna (13) or an antenna bracket (15) for supporting the antenna (13). A baseband unit (11) and an RF unit (12) are fixed to the mounting base (14). The baseband unit (11) fixed to the mounting base (14) is disposed to face a back part (132) of the antenna (13) and to form a space between the back part (132) and the first enclosure (111). The RF unit (12) fixed to the mounting base (14) is disposed in the space formed between the back part (132) of the antenna (13) and the baseband unit (11) and is coupled to a waveguide flange (132) of the antenna (13). Thus, for example, in a configuration of a point-to-point wireless apparatus in which an RF unit and a baseband unit are separated, restrictions on installation space of the apparatus can be facilitated.Type: GrantFiled: June 4, 2021Date of Patent: December 6, 2022Assignee: NEC CORPORATIONInventor: Masatoshi Shimizu
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Publication number: 20220324268Abstract: A pneumatic tire includes a serration region in a predetermined region of a sidewall portion. The serration region is formed by arranging a plurality of ridges, the plurality of ridges protruding from a base surface in parallel to each other and being periodically arranged. A length of one cycle of the plurality of ridges along the base surface is 0.5 mm or more and 0.7 mm or less. The pneumatic tire includes a plane portion surrounded by the serration region.Type: ApplicationFiled: July 15, 2020Publication date: October 13, 2022Inventor: Masatoshi SHIMIZU
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Publication number: 20220314704Abstract: A pneumatic tire includes a serration region provided in a predetermined region of a sidewall portion, the serration region being formed by arranging a plurality of ridges, the plurality of ridges protruding from a base surface in parallel to each other and periodically, when a length along a contour of the ridge per cycle in a cross-sectional view along a direction orthogonal to an extension direction of the plurality of ridges is defined as a length Lr and a length of one cycle of the plurality of ridges along the base surface is defined as a length Lb, a ratio (Lr/Lb) of the length Lr to the length being 1.2 or more and 2.0 or less, and the length Lb being 0.5 mm or more and 0.7 mm or less.Type: ApplicationFiled: July 15, 2020Publication date: October 6, 2022Inventor: Masatoshi SHIMIZU
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Patent number: 11453250Abstract: In a pneumatic tire, a carcass layer is between bead portions, a bead core is in each bead portion, a reinforcement layer is on an outer side of the carcass layer, and a tread rubber layer is on the outer side of the reinforcement layer. A pair of first boundary lines passes through an intersection of an extension of a side arc forming a tread profile and an extension of a shoulder arc and orthogonal to a tire inner surface, a pair of second boundary lines passes through a rim check line and orthogonal to the tire inner surface, first to third regions are defined which have cross sectional areas of SA, SB, and SC, respectively, and the first to third regions respectively have lengths of a, b, and c along the tire inner surface such that 7.5?SA/a?11.5 and 2.0?SB/b?6.0 are satisfied.Type: GrantFiled: August 12, 2013Date of Patent: September 27, 2022Assignee: The Yokohama Rubber Co., LTD.Inventors: Masatoshi Shimizu, Masatoshi Kuwajima
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Patent number: 11364745Abstract: A pneumatic tire includes, in a tread portion, main grooves extending in a circumferential direction; ribs defined by the main grooves; at least one rib comprising sipes extending in a lateral direction; the sipes comprising a chamfered sipe with a chamfer portion provided on at least one edge, and a non-chamfered sipe with no chamfer portion provided on an edge; the chamfered sipe comprising one end portion terminating in the at least one rib and another end portion communicating with one of the main grooves located on either side of the at least one rib; a plurality of the chamfered sipes communicating with one of the main grooves located on either side of the at least one rib being alternately disposed in the circumferential direction; and the non-chamfered sipe being disposed close to the chamfered sipe on at least one side in the circumferential direction.Type: GrantFiled: December 26, 2017Date of Patent: June 21, 2022Assignee: The Yokohama Rubber Co., LTD.Inventor: Masatoshi Shimizu
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Publication number: 20210291595Abstract: In a tread portion of a pneumatic tire, an average lateral groove width Lc of a center region is obtained by dividing the groove area of lateral grooves in the center region by a circumferential length of the center region, and an average lateral groove width Lsh of a shoulder region is obtained by dividing the groove area of lateral grooves in the shoulder region by a circumferential length of the shoulder region. A relationship between a tire average thickness Gc of the center region and a tire average thickness Gsh in the shoulder region satisfies 1.05?(Gc/Gsh)?1.35, a relationship between the average lateral groove width Lc of the center region and the tire average thickness Gc in the center region satisfies 0.07?(Lc/Gc)?0.12, and a relationship between the average lateral groove width Lsh of the shoulder region and the tire average thickness Gsh in the shoulder region satisfies 0.17?(Lsh/Gsh)?0.26.Type: ApplicationFiled: June 4, 2019Publication date: September 23, 2021Inventor: Masatoshi Shimizu
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Publication number: 20210297101Abstract: A mounting base (14) is fixed to an antenna (13) or an antenna bracket (15) for supporting the antenna (13). A baseband unit (11) and an RF unit (12) are fixed to the mounting base (14). The baseband unit (11) fixed to the mounting base (14) is disposed to face a back part (132) of the antenna (13) and to form a space between the back part (132) and the first enclosure (111). The RF unit (12) fixed to the mounting base (14) is disposed in the space formed between the back part (132) of the antenna (13) and the baseband unit (11) and is coupled to a waveguide flange (132) of the antenna (13). Thus, for example, in a configuration of a point-to-point wireless apparatus in which an RF unit and a baseband unit are separated, restrictions on installation space of the apparatus can be facilitated.Type: ApplicationFiled: June 4, 2021Publication date: September 23, 2021Applicant: NEC CorporationInventor: Masatoshi SHIMIZU
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Patent number: 11057071Abstract: A mounting base (14) is fixed to an antenna (13) or an antenna bracket (15) for supporting the antenna (13). A baseband unit (11) and an RF unit (12) are fixed to the mounting base (14). The baseband unit (11) fixed to the mounting base (14) is disposed to face a back part (132) of the antenna (13) and to form a space between the back part (132) and the first enclosure (111). The RF unit (12) fixed to the mounting base (14) is disposed in the space formed between the back part (132) of the antenna (13) and the baseband unit (11) and is coupled to a waveguide flange (132) of the antenna (13). Thus, for example, in a configuration of a point-to-point wireless apparatus in which an RF unit and a baseband unit are separated, restrictions on installation space of the apparatus can be facilitated.Type: GrantFiled: December 23, 2020Date of Patent: July 6, 2021Assignee: NEC CORPORATIONInventor: Masatoshi Shimizu
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Publication number: 20210111746Abstract: A mounting base (14) is fixed to an antenna (13) or an antenna bracket (15) for supporting the antenna (13). A baseband unit (11) and an RF unit (12) are fixed to the mounting base (14). The baseband unit (11) fixed to the mounting base (14) is disposed to face a back part (132) of the antenna (13) and to form a space between the back part (132) and the first enclosure (111). The RF unit (12) fixed to the mounting base (14) is disposed in the space formed between the back part (132) of the antenna (13) and the baseband unit (11) and is coupled to a waveguide flange (132) of the antenna (13). Thus, for example, in a configuration of a point-to-point wireless apparatus in which an RF unit and a baseband unit are separated, restrictions on installation space of the apparatus can be facilitated.Type: ApplicationFiled: December 23, 2020Publication date: April 15, 2021Applicant: NEC CorporationInventor: Masatoshi SHIMIZU
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Patent number: 10911088Abstract: A mounting base (14) is fixed to an antenna (13) or an antenna bracket (15) for supporting the antenna (13). A baseband unit (11) and an RF unit (12) are fixed to the mounting base (14). The baseband unit (11) fixed to the mounting base (14) is disposed to face a back part (132) of the antenna (13) and to form a space between the back part (132) and the first enclosure (111). The RF unit (12) fixed to the mounting base (14) is disposed in the space formed between the back part (132) of the antenna (13) and the baseband unit (11) and is coupled to a waveguide flange (132) of the antenna (13). Thus, for example, in a configuration of a point-to-point wireless apparatus in which an RF unit and a baseband unit are separated, restrictions on installation space of the apparatus can be facilitated.Type: GrantFiled: September 18, 2019Date of Patent: February 2, 2021Assignee: NEC CorporationInventor: Masatoshi Shimizu
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Patent number: 10850565Abstract: A pneumatic tire includes a tread portion, sidewall portions, bead portions, and has at least one carcass layer disposed between the pair of bead portions. The ratio SW/OD between the total tire width SW and the tire external diameter OD satisfies the relationship SW/OD?0.3. A first region A is defined between a pair of first boundary lines (L1, L1), second regions B are defined between a first boundary line (L1) and a second boundary line (L2), and third regions C are defined on the bead toe side of the second boundary lines (L2). Defining SA, SB, and SC as the cross-sectional area (mm2) of the first region A to the third region C, and defining the peripheral lengths (mm) of the first region A to third region C along the tire inner surface as a, b, and c, respectively, the relationship 7.5?SA/a?11.5 is satisfied.Type: GrantFiled: May 19, 2015Date of Patent: December 1, 2020Inventors: Yuji Minami, Masatoshi Shimizu
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Patent number: 10828938Abstract: A pneumatic tire has a ratio SW/OD between the total tire width SW and the tire external diameter OD satisfying SW/OD?0.3. A first region A is defined between a pair of first boundary lines, second regions B are defined between a first boundary line and a second boundary line, and third regions C are defined on the bead toe side of the second boundary lines. Defining SA, SB, and SC as the cross-sectional area (mm2) of the first region A to the third region C, and defining the peripheral length (mm) of the first region A to third region C along the tire inner surface as a, b, and c, SA/a and SB/b satisfy 7.5?SA/a?11.5 and 2.0?SB/b?6.0, and the ratio TDW/SW between the developed tread width TDW and the total tire width SW satisfies 0.7?TDW/SW?0.95.Type: GrantFiled: May 19, 2015Date of Patent: November 10, 2020Assignee: The Yokohama Rubber Co., LTD.Inventors: Masatoshi Shimizu, Yuji Minami
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Publication number: 20200276867Abstract: In a pneumatic tire, a tread portion includes a main groove extending in a circumferential direction, and land portions defined by the main groove. A center region is a region where a center land portion included in the land portions is closest to a tire equatorial plane. Shoulder regions are each a region between a position corresponding to 85% of a width of the belt layer in a lateral direction and an end portion of the belt layer in the lateral direction, and intermediate regions are each a region between the center region and a corresponding one of the shoulder regions. A relationship among a tire average thickness Gc in the center region, a tire average thickness Gsh in the shoulder regions, and a tire average thickness Gm in the intermediate regions is within a range of 1.05?(Gc/Gsh)?1.35 and satisfies Gc?Gm>Gsh.Type: ApplicationFiled: October 15, 2018Publication date: September 3, 2020Inventor: Masatoshi Shimizu
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Publication number: 20200014414Abstract: A mounting base (14) is fixed to an antenna (13) or an antenna bracket (15) for supporting the antenna (13). A baseband unit (11) and an RF unit (12) are fixed to the mounting base (14). The baseband unit (11) fixed to the mounting base (14) is disposed to face a back part (132) of the antenna (13) and to form a space between the back part (132) and the first enclosure (111). The RF unit (12) fixed to the mounting base (14) is disposed in the space formed between the back part (132) of the antenna (13) and the baseband unit (11) and is coupled to a waveguide flange (132) of the antenna (13). Thus, for example, in a configuration of a point-to-point wireless apparatus in which an RF unit and a baseband unit are separated, restrictions on installation space of the apparatus can be facilitated.Type: ApplicationFiled: September 18, 2019Publication date: January 9, 2020Applicant: NEC CorporationInventor: Masatoshi SHIMIZU
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Publication number: 20190344622Abstract: A pneumatic tire includes, in a tread portion, main grooves extending in a circumferential direction; ribs defined by the main grooves; at least one rib comprising sipes extending in a lateral direction; the sipes comprising a chamfered sipe with a chamfer portion provided on at least one edge, and a non-chamfered sipe with no chamfer portion provided on an edge; the chamfered sipe comprising one end portion terminating in the at least one rib and another end portion communicating with one of the main grooves located on either side of the at least one rib; a plurality of the chamfered sipes communicating with one of the main grooves located on either side of the at least one rib being alternately disposed in the circumferential direction; and the non-chamfered sipe being disposed close to the chamfered sipe on at least one side in the circumferential direction.Type: ApplicationFiled: December 26, 2017Publication date: November 14, 2019Inventor: Masatoshi Shimizu
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Patent number: D914584Type: GrantFiled: April 10, 2019Date of Patent: March 30, 2021Assignee: THE YOKOHAMA RUBBER CO., LTD.Inventor: Masatoshi Shimizu