Patents by Inventor Takeshi Ishikawa

Takeshi Ishikawa 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).

  • Publication number: 20200377681
    Abstract: Provided is a fiber-reinforced thermoplastic resin prepreg which exhibits high interfacial adhesion between reinforcement fibers and a matrix resin, while having excellent interlaminar fracture resistance. The fiber-reinforced thermoplastic resin prepreg of the present invention comprises: a matrix resin comprising a polyarylketone resin and a polyetherimide resin; and a carbon fiber, wherein the polyetherimide resin in the matrix resin comprises a polyetherimide resin having a structural unit represented by Formula (1), an amount of the polyetherimide resin in the matrix resin (100% by mass) is 3% by mass to 25% by mass, and an amount of the polyarylketone resin in the matrix resin (100% by mass) is 75% by mass or more.
    Type: Application
    Filed: August 17, 2020
    Publication date: December 3, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takahiro HAYASHI, Takeshi ISHIKAWA, Kouichiro TANIGUCHI, Kazuya TANAKA, Masayasu HASUIKE
  • Patent number: 10780670
    Abstract: The present invention pertains to a carbon fiber reinforced plastic, and provides a carbon fiber reinforced plastic laminated body that is low cost and superior in moldability, mechanical characteristic balance, and impact resistance. The laminated body has three or more layers, and has the following (B) layer between two layers of a fiber reinforced resin sheet, (B) layer: A resin sheet in which the displacement, in an S-S curve waveform obtained by the following high-speed punching test, from a peak value of the test force (kN) to an 85%—attenuation value is not less than 22 mm. High-speed punching test: Impact absorption energy is calculated by using an impact testing machine in compliance with ISO6603-2 standard. A 100 mm×100 mm test piece is cut out from a sheet having a thickness of 2 mm. The diameter of a striker is 12 mm. the diameter of an opening section of a holding tool is 76 mm, and the impact speed is set to 5 m/sec.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: September 22, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masahiko Nagasaka, Takeshi Ishikawa, Hayato Ogasawara
  • Patent number: 10773473
    Abstract: The purpose of the present invention is to obtain a fiber-reinforced plastic that is capable of controlling anisotropy, has excellent mechanical characteristics, has little variation, has excellent heat resistance, and has good fluidity during forming. A production method for fiber-reinforced plastic, having: a step in which a material (A) (100) including a prepreg base material is obtained, said prepreg base material having cuts therein and having a thermoplastic resin impregnated in reinforcing fibers (110) arranged in parallel in one direction; a step in which a pressurizing device is used that applies a substantially uniform pressure in a direction (X) orthogonal to the travel direction of the material (A) (100) and the material (A) (100) is caused to travel in the one direction and is pressurized while being heated to a prescribed temperature (T), an angle (.theta.) of ?20-20 .degree.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: September 15, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masao Tomioka, Takeshi Ishikawa, Takayuki Kobayashi
  • Patent number: 10604633
    Abstract: A prepreg formed from a resin and unidirectionally aligned reinforcement fibers, characterized in that: the prepreg is sheet-shaped; the prepreg has cutouts of a depth for cutting the reinforcement fibers, and includes reinforcement fibers (A) cut by the cutouts to a length of 10 to 50 mm and reinforcement fibers (B) having a length of equal to or more than 50% of the sheet length of the prepreg in the alignment direction of the reinforcement fibers; the surface area of a band section including the reinforcement fibers (B) in a plan view is 1.4% to 35.0% of the entire surface area of the prepreg in a plan view; and at least one end of the reinforcement fibers (B) is positioned at an end portion of the prepreg in the alignment direction of the reinforcement fibers.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: March 31, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Hayato Ogasawara, Masahiko Nagasaka, Yasuhiko Nabeshima, Takeshi Ishikawa, Akinobu Sasaki
  • Patent number: 10599995
    Abstract: A teaching device that teaches a robot, includes a display section. When the teaching device is placed on a placing surface, the display section tilts at an angle of 15 degrees or more with respect to the placing surface.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: March 24, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Toyoki Tanaka, Takeshi Ishikawa
  • Patent number: 10576695
    Abstract: A fiber-reinforced plastic producing method capable of easily producing a fiber-reinforced plastic in which swelling and warpage are less likely to occur and of which excellent mechanical characteristics and isotropy are ensured, and a fiber-reinforced plastic in which swelling and warpage are suppressed from occurring. The fiber-reinforced plastic producing method has a step for obtaining a material (A) including a prepreg base material in which a region (B), where reinforcing fibers pulled and aligned in one direction are impregnated with a matrix resin and a plurality of cuts (b) are formed, and a region (C), where a plurality of cuts (c) are formed, are alternately formed in a direction orthogonal to a fiber axis of the reinforcing fiber, a step for hot-pressing the material (A) while moving the material (A) under specific conditions, and a step for cooling the pressed material (A) to obtain the fiber-reinforced plastic.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: March 3, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masao Tomioka, Takeshi Ishikawa, Takayuki Kobayashi
  • Patent number: 10578954
    Abstract: A projector is configured to project an image to one side with respect to an installation surface. The projector includes: a housing that is configured to be fixed to the installation surface, a projection section that is built in the housing and configured to project image light from one end of the housing, an adjustment mechanism that is configured to adjust a posture of the projection section with respect to the installation surface, a drive section that is configured to drive the adjustment mechanism, and an operation detecting section configured to detect an input operation corresponding to the adjustment mechanism.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: March 3, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hirofumi Kasuga, Takeshi Ishikawa
  • Publication number: 20200062896
    Abstract: An object of the present invention is to provide a molded body that is easy to produce and obtained by foaming a polycarbonate copolymer containing, as a raw material, isosorbide that is lightweight and excellent in mechanical properties and like. The present invention relates to a foam-molded body containing a polycarbonate copolymer having a structural unit derived from a dihydroxy compound represented by the following formula (1): and a structural unit derived from other dihydroxy compounds, and having a glass transition temperature (Tg) of less than 145° C.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 27, 2020
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Toru Takashima, Katsushi Yamaoka, Takeshi Ishikawa
  • Publication number: 20200016742
    Abstract: A picking system including: a picking robot for gripping a target; an operation unit for an operator to perform a remote operation of the picking robot; a learning unit that learns a movement of the picking robot when the target is gripped by the remote operation; and an assisting unit that assists the remote operation based on a learning result of the learning unit.
    Type: Application
    Filed: November 2, 2017
    Publication date: January 16, 2020
    Inventors: Takeshi ISHIKAWA, Yoshihiko MATSUKAWA, Osamu MIZUNO
  • Patent number: 10505218
    Abstract: A positive electrode in a lithium secondary battery includes an insulating tape that covers a welded part between a positive electrode tab and a positive electrode current collector-exposed surface. The insulating tape has a multilayer structure including an organic material layer, a composite material layer containing an organic material and an inorganic material, and an adhesive layer. The inorganic material in the composite material layer accounts for 20% or more of the weight of the composite material layer.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: December 10, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Takeshi Ishikawa, Tomoki Shiozaki, Mineyasu Aoto
  • Patent number: 10482189
    Abstract: An analysis device includes a memory unit, a recording unit, and an arithmetic processing unit. The arithmetic processing unit determines, by referring to a physical value of each of elements stored in the memory unit and a program recorded in the recording unit, whether or not a protector main body and a lid are in contact with each other in reproducing a state where a harness is contained inside the protector main body and an opening of the protector main body is covered by the lid.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: November 19, 2019
    Assignee: YAZAKI CORPORATION
    Inventors: Yoshinori Nakamura, Sadao Fujiwara, Kei Nunome, Satoru Goto, Yuki Ebata, Takeshi Ishikawa
  • Patent number: 10370506
    Abstract: Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20?(FM/FS)?40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: August 6, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masao Tomioka, Takahiro Hayashi, Saki Fujita, Takeshi Ishikawa, Keigo Yoshida, Takuya Teranishi, Atsushi Takahashi, Kenichi Watanabe, Morio Katagiri, Akinobu Sasaki, Masahiro Oosuka, Hiroshi Tategaki, Takayuki Kobayashi
  • Patent number: 10370507
    Abstract: Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20?(FM/FS)?40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: August 6, 2019
    Assignee: Mistubishi Chemical Corporation
    Inventors: Masao Tomioka, Takahiro Hayashi, Saki Fujita, Takeshi Ishikawa, Keigo Yoshida, Takuya Teranishi, Atsushi Takahashi, Kenichi Watanabe, Morio Katagiri, Akinobu Sasaki, Masahiro Oosuka, Hiroshi Tategaki, Takayuki Kobayashi
  • Publication number: 20190213291
    Abstract: An article-storage simulation device includes an acquisition unit that acquires a size of each of the plurality of articles and a size of the storage container. A simulator determines the number of storage containers to be used for storing the articles and a number of articles to be stored by calculation. The calculation uses the acquired size of the articles and the acquired size of the container. The simulator (i) places the article in the container, (ii) determines whether a next article can be placed in the container after the article is placed, and (iii) in a case where the simulator determines that the next article can be placed, places the next article in the container after the article is placed and in a case where the simulator determines that the next article cannot be placed, adds a next container to be used for storing the next article.
    Type: Application
    Filed: October 26, 2017
    Publication date: July 11, 2019
    Inventors: Yuichi HIGUCHI, Takeshi ISHIKAWA
  • Patent number: 10259391
    Abstract: This side mirror device includes: a mirror base; a housing a bearing mechanism; a mirror; an inclining mechanism; an internal housing; and a cover, wherein the bearing mechanism and the inclining mechanism are contained in an interior of the housing, and wherein the bearing mechanism and the inclining mechanism are formed so as to face each other across the mirror base along an axis line of the bearing mechanism, wherein the housing has an upper cover and a lower cover that are disposed so as to face each other, wherein the upper cover and the lower cover whose outer surface shapes form an mirror-image symmetry with each other, wherein the cover forms, on a rear side, an opening edge portion that exposes the mirror, wherein the opening edge portion is made of an involuted recess portion that is a rear-side end portion of the cover being bent inwardly toward the mirror, and wherein with the rear-side end portion of the internal housing is inserted into the involuted recess portion, the rear-side end portion of
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: April 16, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tomoaki Sakai, Takeshi Ishikawa, Jun Nakamura, Makoto Sawada
  • Publication number: 20190107770
    Abstract: A projector is configured to project an image to one side with respect to an installation surface. The projector includes: a housing that is configured to be fixed to the installation surface, a projection section that is built in the housing and configured to project image light from one end of the housing, an adjustment mechanism that is configured to adjust a posture of the projection section with respect to the installation surface, a drive section that is configured to drive the adjustment mechanism, and an operation detecting section configured to detect an input operation corresponding to the adjustment mechanism.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 11, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hirofumi KASUGA, Takeshi ISHIKAWA
  • Patent number: 10189720
    Abstract: The present invention relates to a pitcher-type water purifier, comprising: a pitcher body including a cylindrical casing having a bottom and a partition for partitioning the inside of the casing; a pitcher lid liquid-tightly closing an opened top end of the pitcher body; and a water purifying cartridge detachably attached to an opened attachment part in the partition.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: January 29, 2019
    Assignee: Mitsubishi Rayon Cleansui Company, Limited
    Inventors: Takeshi Ishikawa, Shouzou Kimura, Hatsumi Takeda
  • Patent number: 10185208
    Abstract: A projector is attached to an opening provided in an installation surface and projects an image to one side with respect to the installation surface. The projector includes: an exterior panel exposed on the one side; a projection section that projects image light from a projection port formed in the exterior panel to the one side; and a rotation adjustment mechanism and an inclination adjustment mechanism that adjust a posture of the projection section with respect to the installation surface.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: January 22, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hirofumi Kasuga, Takeshi Ishikawa
  • Publication number: 20190001591
    Abstract: A production method for fiber-reinforced plastic, includes: a step in which a material (A) including a prepreg base material is obtained, said prepreg base material having cuts therein and having a thermoplastic resin impregnated in reinforcing fibers arranged in parallel in one direction; a step in which a pressurizing device is used that applies a substantially uniform pressure in a direction (X) orthogonal to the travel direction of the material (A) and the material (A) is caused to travel in the one direction and is pressurized while being heated to a prescribed temperature (T), an angle (?) of ?20° to 20° being formed between the orthogonal direction (X) and a fiber axial direction (Y) for the reinforcing fibers of the prepreg base material; and a step in which the material (A) pressurized by the pressurizing device is cooled and the fiber-reinforced plastic is obtained.
    Type: Application
    Filed: September 5, 2018
    Publication date: January 3, 2019
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Masao TOMIOKA, Takeshi ISHIKAWA, Takayuki KOBAYASHI
  • Publication number: 20180371160
    Abstract: An object of the present invention is to provide a molded body that is easy to produce and obtained by foaming a polycarbonate copolymer containing, as a raw material, isosorbide that is lightweight and excellent in mechanical properties and like. The present invention relates to a foam-molded body containing a polycarbonate copolymer having a structural unit derived from a dihydroxy compound represented by the following formula (1): and a structural unit derived from other dihydroxy compounds, and having a glass transition temperature (Tg) of less than 145° C.
    Type: Application
    Filed: February 28, 2014
    Publication date: December 27, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Toru TAKASHIMA, Katsushi YAMAOKA, Takeshi ISHIKAWA