Patents by Inventor Hiroki Mikami
Hiroki Mikami 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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Patent number: 11680145Abstract: Provided is a crosslinked polyolefin foam is made by crosslinking and foaming the composition, wherein a product of 25% compressive strength (kPa) and tensile strength (MPa) of the crosslinked polyolefin foam at normal temperature is 35 to 65.Type: GrantFiled: March 30, 2018Date of Patent: June 20, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yukihiro Sugie, Takumei Uno, Hiroki Mikami, Hajime Takasugi
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Publication number: 20220372336Abstract: A cross-linked polyolefin resin foam of the present invention has a total light transmittance and a thickness that satisfy a predetermined condition, and has a reflection color difference ?* of ?10 to 16, a reflection color difference ?a* of ?3 to 3, and a reflection color difference ?L* of 50 or more. According to the present invention, there can be provided a cross-linked polyolefin resin foam that can suppress a change in color tone of transmitted light while ensuring transparency, and a pressure-sensitive adhesive tape, layered product, formed product, and display member that include such a cross-linked polyolefin resin foam.Type: ApplicationFiled: September 29, 2020Publication date: November 24, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Rie MATSUI, Hiroki MIKAMI
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Publication number: 20210284815Abstract: Provided is a crosslinked polyolefin foam is made by crosslinking and foaming the composition, wherein a product of 25% compressive strength (kPa) and tensile strength (MPa) of the crosslinked polyolefin foam at normal temperature is 35 to 65.Type: ApplicationFiled: March 30, 2018Publication date: September 16, 2021Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yukihiro SUGIE, Takumei UNO, Hiroki MIKAMI, Hajime TAKASUGI
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Patent number: 11118043Abstract: The crosslinked polyolefin resin foam of the present invention is a crosslinked polyolefin resin foam obtained by crosslinking and foaming a polyolefin resin composition comprising a polypropylene resin and an olefin rubber; the olefin rubber having a Mooney viscosity (ML1+4, 100° C.) of 15 to 85; the olefin rubber being contained in an amount of 10 to 150 parts by mass relative to 100 parts by mass of the polypropylene resin; the foam having a 25% compressive hardness of 30 to 70 kPa and a compressive strength ratio, 25% compressive strength/5% compressive strength, of 2.0 to 4.5. According to the present invention, a crosslinked polyolefin resin foam from which a molded product excellent in appearance can be obtained even in a secondary processing to a complicated shape without impairment of flexibility, and a molded product made from the same are provided.Type: GrantFiled: March 30, 2017Date of Patent: September 14, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Takumei Uno, Yukihiro Sugie, Hiroki Mikami, Hajime Takasugi
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Publication number: 20210102039Abstract: A crosslinked polyolefin foam that is a crosslinked foam of a polyolefin resin composition, the composition comprising a polyolefin resin (A) and a rubber (B) having a Mooney viscosity (ML1+4, 100° C.) of 15 to 85. The rubber (B) is contained in an amount of 10 to 150 parts by mass relative to 100 parts by mass of the polyolefin resin (A). The foam has a thickness of 1.5 mm or more, a 25% compressive hardness of 60 kPa or less, and a crosslinking degree of at least one of surface layers at both surfaces with a depth of 500 ?m from the surface that is at least 5% higher than the crosslinking degree of the middle layer excluding the both surface layers.Type: ApplicationFiled: December 11, 2020Publication date: April 8, 2021Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takumei UNO, Hiroki MIKAMI
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Patent number: 10698670Abstract: There is provided a parallel program generating method capable of generating a static scheduling enabled parallel program without undermining the possibility of extracting parallelism. The parallel program generating method executed by the parallelization compiling apparatus 100 includes a fusion step (FIG. 2/STEP026) of fusing, as a new task, a task group including a reference task as a task having a conditional branch, and subsequent tasks as tasks control dependent, extended-control dependent, or indirect control dependent on respective of all branch directions of the conditional branch included in the reference task.Type: GrantFiled: December 28, 2017Date of Patent: June 30, 2020Assignee: WASEDA UNIVERSITYInventors: Hironori Kasahara, Keiji Kimura, Dan Umeda, Hiroki Mikami
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Patent number: 10442908Abstract: The present invention relates to a foam having a density of 0.036 g/cc or more and less than 0.133 g/cc, having an elongation (%) at break at 160° C. of 150% or more as measured in accordance with JIS K6251, a value of 7 or more obtained by multiplying the elongation (%) at break by a 100% modulus (MPa) at 160° C. as measured in accordance with JIS K6251, and a cross-linking degree of 30 to 50%.Type: GrantFiled: September 9, 2015Date of Patent: October 15, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Takumei Uno, Hiroki Mikami
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Publication number: 20190270859Abstract: The cross-linked polyolefin resin foam of the present invention is made by cross-linking and foaming a polyolefin resin composition comprising a polyolefin resin-containing resin (A), and a zeolite (B). The polyolefin resin composition includes 0.05 to 10 parts by mass of the zeolite (B) relative to 100 parts by mass of the resin (A) and the average particle diameter of the zeolite (B) is 0.1 to 30 ?m. According to the present invention, a cross-linked polyolefin resin foam capable of suppressing the generation of an odor without use of a coloring component such as carbon black can be provided, allowing the foam to be continuously produced using an extruder or the like with high productivity.Type: ApplicationFiled: September 29, 2017Publication date: September 5, 2019Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takumei UNO, Yukihiro SUGIE, Hiroki MIKAMI, Hajime TAKASUGI
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Publication number: 20190263990Abstract: The crosslinked polyolefin foam of the present invention is a crosslinked polyolefin foam made by crosslinking and foaming a polyolefin-based resin composition comprising a polypropylene-based resin and an elastomer, wherein the polypropylene-based resin being contained in an amount of 45 to 85 mass % based on the total resin components in the polyolefin-based resin composition, the crosslinked polyolefin foam having a 25% compressive strength of 60 to 120 kPa and a ratio of integral value of area under curve value of a stress-strain curve from 0% strain to 25% strain to a product of a strain of 25% and a stress at 25% strain of 0.45 to 0.65.Type: ApplicationFiled: September 28, 2017Publication date: August 29, 2019Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yukihiro SUGIE, Takumei UNO, Hiroki MIKAMI, Hajime TAKASUGI
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Publication number: 20190119479Abstract: The crosslinked polyolefin resin foam of the present invention is a crosslinked polyolefin resin foam obtained by crosslinking and foaming a polyolefin resin composition comprising a polypropylene resin and an olefin rubber; the olefin rubber having a Mooney viscosity (ML1+4, 100° C.) of 15 to 85; the olefin rubber being contained in an amount of 10 to 150 parts by mass relative to 100 parts by mass of the polypropylene resin; the foam having a 25% compressive hardness of 30 to 70 kPa and a compressive strength ratio, 25% compressive strength/5% compressive strength, of 2.0 to 4.5. According to the present invention, a crosslinked polyolefin resin foam from which a molded product excellent in appearance can be obtained even in a secondary processing to a complicated shape without impairment of flexibility, and a molded product made from the same are provided.Type: ApplicationFiled: March 30, 2017Publication date: April 25, 2019Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takumei UNO, Yukihiro SUGIE, Hiroki MIKAMI, Hajime TAKASUGI
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Patent number: 10228923Abstract: A parallelization compiling method for generating a segmented program from a sequential program, in which multiple macro tasks are included and at least two of the macro tasks have a data dependency relationship with one another, includes determining an existence of invalidation information for invalidating at least a part of the data dependency relationship between the at least two of the plurality of macro tasks before compiling the sequential program into the segmented program, and generating the segmented program by compiling the sequential program into the segmented program with reference to a determination result of the existence of the invalidation information. When the invalidation information is determined to exist, the at least a part of the data dependency relationship is invalidated before the compiling of the sequential program into the segmented program.Type: GrantFiled: March 29, 2016Date of Patent: March 12, 2019Assignees: DENSO CORPORATION, WASEDA UNIVERSITYInventors: Yoshihiro Yatou, Noriyuki Suzuki, Kenichi Mineda, Hironori Kasahara, Keiji Kimura, Hiroki Mikami, Dan Umeda
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Publication number: 20180181380Abstract: There is provided a parallel program generating method capable of generating a static scheduling enabled parallel program without undermining the possibility of extracting parallelism. The parallel program generating method executed by the parallelization compiling apparatus 100 includes a fusion step (FIG. 2/STEP026) of fusing, as a new task, a task group including a reference task as a task having a conditional branch, and subsequent tasks as tasks control dependent, extended-control dependent, or indirect control dependent on respective of all branch directions of the conditional branch included in the reference task.Type: ApplicationFiled: December 28, 2017Publication date: June 28, 2018Inventors: Hironori Kasahara, Keiji Kimura, Dan Umeda, Hiroki Mikami
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Publication number: 20180118910Abstract: The cross-linked polyolefin resin foam of the present invention is obtained by cross-linking and foaming a polyolefin resin composition, the composition including a polyolefin resin-containing resin (A), azodicarbonamide (B), and at least one basic magnesium (C) selected from the group consisting of magnesium oxide and magnesium hydroxide, wherein the amount of basic magnesium (C) included in the polyolefin resin composition is 0.05 to 0.5 parts by mass relative to 100 parts by mass of the resin (A), and the basic magnesium (C) has an average particle diameter of 0.1 to 15 ?m.Type: ApplicationFiled: March 24, 2016Publication date: May 3, 2018Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takumei UNO, Hiroki MIKAMI
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Patent number: 9934012Abstract: A parallelization compiling method for generating a segmented program from a sequential program includes assigning macro tasks included in the sequential program to cores included in the multi-core processor in order to generate the segmented program, adding a new macro task to the sequential program or deleting one of the macro tasks from the sequential program, and compiling the sequential program into the segmented program in response to the adding of the new macro task under a condition that the macro tasks assigned to the cores do not migrate among the cores or compiling the sequential program into the segmented program in response to the deleting of the one of the macro tasks under a condition that remains of the macro tasks assigned to the cores do not migrate among the cores.Type: GrantFiled: March 29, 2016Date of Patent: April 3, 2018Assignees: DENSO CORPORATION, WASEDA UNIVERSITYInventors: Kazushi Nobuta, Noriyuki Suzuki, Hironori Kasahara, Keiji Kimura, Hiroki Mikami, Dan Umeda
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Publication number: 20170306123Abstract: A crosslinked polyolefin foam that is a crosslinked foam of a polyolefin resin composition, the composition comprising a polyolefin resin (A) and a rubber (B) having a Mooney viscosity (ML1+4, 100° C.) of 15 to 85. The rubber (B) is contained in an amount of 10 to 150 parts by mass relative to 100 parts by mass of the polyolefin resin (A). The foam has a thickness of 1.5 mm or more, a 25% compressive hardness of 60 kPa or less, and a crosslinking degree of at least one of surface layers at both surfaces with a depth of 500 ?m from the surface that is at least 5% higher than the crosslinking degree of the middle layer excluding the both surface layers.Type: ApplicationFiled: September 29, 2015Publication date: October 26, 2017Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takumei UNO, Hiroki MIKAMI
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Publication number: 20170260349Abstract: The present invention relates to a foam having a density of 0.036 g/cc or more and less than 0.133 g/cc, having an elongation (%) at break at 160° C. of 150% or more as measured in accordance with JIS K6251, a value of 7 or more obtained by multiplying the elongation (%) at break by a 100% modulus (MPa) at 160° C. as measured in accordance with JIS K6251, and a cross-linking degree of 30 to 50%.Type: ApplicationFiled: September 9, 2015Publication date: September 14, 2017Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takumei UNO, Hiroki MIKAMI
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Patent number: 9760355Abstract: A parallelizing compile method includes, dividing a sequential program for an embedded system into multiple macro tasks, specifying (i) a starting end task and (ii) a termination end task, fusing (i) the starting end task, (ii) the termination end task, and (iii) a group of the multiple macro tasks, extracting a group of multiple new macro tasks from the multiple new macro tasks fused in the fusing based on a data dependency, performing a static scheduling assigning the multiple new macro tasks to the multiple processor units, so that the group of the multiple new macro tasks is parallelly executable by the multiple processor units, and generating a parallelizing program. In addition, a parallelizing compiler, a parallelizing compile apparatus and an onboard apparatus are provided.Type: GrantFiled: June 12, 2014Date of Patent: September 12, 2017Assignees: DENSO CORPORATION, WASEDA UNIVERSITYInventors: Hiroshi Mori, Mitsuhiro Tani, Hironori Kasahara, Keiji Kimura, Dan Umeda, Akihiro Hayashi, Hiroki Mikami, Yohei Kanehagi
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Publication number: 20160291950Abstract: A parallelization compiling method for generating a segmented program from a sequential program, in which multiple macro tasks are included and at least two of the macro tasks have a data dependency relationship with one another, includes determining an existence of invalidation information for invalidating at least a part of the data dependency relationship between the at least two of the plurality of macro tasks before compiling the sequential program into the segmented program, and generating the segmented program by compiling the sequential program into the segmented program with reference to a determination result of the existence of the invalidation information. When the invalidation information is determined to exist, the at least a part of the data dependency relationship is invalidated before the compiling of the sequential program into the segmented program.Type: ApplicationFiled: March 29, 2016Publication date: October 6, 2016Inventors: Yoshihiro YATOU, Noriyuki SUZUKI, Kenichi MINEDA, Hironori KASAHARA, Keiji KIMURA, Hiroki MIKAMI, Dan UMEDA
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Publication number: 20160291948Abstract: A parallelization compiling method for generating a segmented program from a sequential program includes assigning macro tasks included in the sequential program to cores included in the multi-core processor in order to generate the segmented program, adding a new macro task to the sequential program or deleting one of the macro tasks from the sequential program, and compiling the sequential program into the segmented program in response to the adding of the new macro task under a condition that the macro tasks assigned to the cores do not migrate among the cores or compiling the sequential program into the segmented program in response to the deleting of the one of the macro tasks under a condition that remains of the macro tasks assigned to the cores do not migrate among the cores.Type: ApplicationFiled: March 29, 2016Publication date: October 6, 2016Inventors: Kazushi NOBUTA, Noriyuki SUZUKI, Hironori KASAHARA, Keiji KIMURA, Hiroki MIKAMI, Dan UMEDA
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Publication number: 20160291949Abstract: A parallelization compiling method includes analyzing a sequential program prepared for a single-core processor; dividing the sequential program into a plurality of processes based on an analysis result; and generating a parallelized program, which is subjected to a parallelized execution by a multi-core processor, from the plurality of processes. The generating of the parallelized program includes compiling the plurality of processes under an execution order restriction defined based on a predetermined parameter.Type: ApplicationFiled: March 29, 2016Publication date: October 6, 2016Inventors: Kenichi MINEDA, Noriyuki SUZUKI, Hironori KASAHARA, Keiji KIMURA, Hiroki MIKAMI, Dan UMEDA