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).

  • Patent number: 11680145
    Abstract: 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: Grant
    Filed: March 30, 2018
    Date of Patent: June 20, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yukihiro Sugie, Takumei Uno, Hiroki Mikami, Hajime Takasugi
  • Publication number: 20220372336
    Abstract: 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: Application
    Filed: September 29, 2020
    Publication date: November 24, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Rie MATSUI, Hiroki MIKAMI
  • Publication number: 20210284815
    Abstract: 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: Application
    Filed: March 30, 2018
    Publication date: September 16, 2021
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yukihiro SUGIE, Takumei UNO, Hiroki MIKAMI, Hajime TAKASUGI
  • Patent number: 11118043
    Abstract: 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: Grant
    Filed: March 30, 2017
    Date of Patent: September 14, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takumei Uno, Yukihiro Sugie, Hiroki Mikami, Hajime Takasugi
  • Publication number: 20210102039
    Abstract: 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: Application
    Filed: December 11, 2020
    Publication date: April 8, 2021
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takumei UNO, Hiroki MIKAMI
  • Patent number: 10698670
    Abstract: 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: Grant
    Filed: December 28, 2017
    Date of Patent: June 30, 2020
    Assignee: WASEDA UNIVERSITY
    Inventors: Hironori Kasahara, Keiji Kimura, Dan Umeda, Hiroki Mikami
  • Patent number: 10442908
    Abstract: 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: Grant
    Filed: September 9, 2015
    Date of Patent: October 15, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takumei Uno, Hiroki Mikami
  • Publication number: 20190270859
    Abstract: 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: Application
    Filed: September 29, 2017
    Publication date: September 5, 2019
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takumei UNO, Yukihiro SUGIE, Hiroki MIKAMI, Hajime TAKASUGI
  • Publication number: 20190263990
    Abstract: 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: Application
    Filed: September 28, 2017
    Publication date: August 29, 2019
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yukihiro SUGIE, Takumei UNO, Hiroki MIKAMI, Hajime TAKASUGI
  • Publication number: 20190119479
    Abstract: 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: Application
    Filed: March 30, 2017
    Publication date: April 25, 2019
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takumei UNO, Yukihiro SUGIE, Hiroki MIKAMI, Hajime TAKASUGI
  • Patent number: 10228923
    Abstract: 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: Grant
    Filed: March 29, 2016
    Date of Patent: March 12, 2019
    Assignees: DENSO CORPORATION, WASEDA UNIVERSITY
    Inventors: Yoshihiro Yatou, Noriyuki Suzuki, Kenichi Mineda, Hironori Kasahara, Keiji Kimura, Hiroki Mikami, Dan Umeda
  • Publication number: 20180181380
    Abstract: 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: Application
    Filed: December 28, 2017
    Publication date: June 28, 2018
    Inventors: Hironori Kasahara, Keiji Kimura, Dan Umeda, Hiroki Mikami
  • Publication number: 20180118910
    Abstract: 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: Application
    Filed: March 24, 2016
    Publication date: May 3, 2018
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takumei UNO, Hiroki MIKAMI
  • Patent number: 9934012
    Abstract: 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: Grant
    Filed: March 29, 2016
    Date of Patent: April 3, 2018
    Assignees: DENSO CORPORATION, WASEDA UNIVERSITY
    Inventors: Kazushi Nobuta, Noriyuki Suzuki, Hironori Kasahara, Keiji Kimura, Hiroki Mikami, Dan Umeda
  • Publication number: 20170306123
    Abstract: 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: Application
    Filed: September 29, 2015
    Publication date: October 26, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takumei UNO, Hiroki MIKAMI
  • Publication number: 20170260349
    Abstract: 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: Application
    Filed: September 9, 2015
    Publication date: September 14, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takumei UNO, Hiroki MIKAMI
  • Patent number: 9760355
    Abstract: 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: Grant
    Filed: June 12, 2014
    Date of Patent: September 12, 2017
    Assignees: DENSO CORPORATION, WASEDA UNIVERSITY
    Inventors: Hiroshi Mori, Mitsuhiro Tani, Hironori Kasahara, Keiji Kimura, Dan Umeda, Akihiro Hayashi, Hiroki Mikami, Yohei Kanehagi
  • Publication number: 20160291950
    Abstract: 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: Application
    Filed: March 29, 2016
    Publication date: October 6, 2016
    Inventors: Yoshihiro YATOU, Noriyuki SUZUKI, Kenichi MINEDA, Hironori KASAHARA, Keiji KIMURA, Hiroki MIKAMI, Dan UMEDA
  • Publication number: 20160291948
    Abstract: 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: Application
    Filed: March 29, 2016
    Publication date: October 6, 2016
    Inventors: Kazushi NOBUTA, Noriyuki SUZUKI, Hironori KASAHARA, Keiji KIMURA, Hiroki MIKAMI, Dan UMEDA
  • Publication number: 20160291949
    Abstract: 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: Application
    Filed: March 29, 2016
    Publication date: October 6, 2016
    Inventors: Kenichi MINEDA, Noriyuki SUZUKI, Hironori KASAHARA, Keiji KIMURA, Hiroki MIKAMI, Dan UMEDA