Patents by Inventor Hayato Ogasawara

Hayato Ogasawara 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: 20220153933
    Abstract: A polyorganosiloxane with an epoxy group, a curable resin composition, and a cured product having high compatibility with an initiator and another resin is described. The polyorganosiloxane has a low viscosity, a high curing rate, and high adhesiveness and impact resistance. The polyorganosiloxane has an M unit (R1R2R3SiO1/2), a D unit (R4R5SiO2/2), and a Q unit (SiO4/2). A T unit (R6SiO3/2) content of the polyorganosiloxane is 80% or less by mole of total silicon. The epoxy group has a group of formula (2) and a group of formula (3). Here, R8 is an optionally substituted divalent organic group having 1 to 20 carbon atoms, g is 0 or 1, R9 is an optionally substituted divalent organic group having 1 to 20 carbon atoms, h is 0 or 1, 0?i?8, and 0?j?8.
    Type: Application
    Filed: February 1, 2022
    Publication date: May 19, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yuki HARUTA, Hayato OGASAWARA, Shohei HIRASE, Noriaki TERADA, Takumi WATANABE, Shoya YODA
  • Publication number: 20210253808
    Abstract: A heat-curable epoxy resin composition is a mixture in which an epoxy compound represented by formula (al), a polyisocyanate, a bisphenol type liquid epoxy resin and an epoxy resin curing agent are blended. An amount of the epoxy compound, per 100 parts by mass of all the epoxy resin blended in the heat-curable epoxy resin composition, is 5 parts by mass or more.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 19, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Hisaya USHIYAMA, Yusuke Watanabe, Natsumi Mukouzaka, Hayato Ogasawara, Akira Ota
  • Publication number: 20210230356
    Abstract: Provided are a sheet molding compound having good handleability and good reinforcing fiber filling properties; and a molded article having good mechanical properties and good heat resistance. The sheet molding compound comprises a thermosetting resin composition and reinforcing fiber bundles, in which the thermosetting resin composition comprises an epoxy resin component (E) comprising a reaction product (1) of the following component (A) and the following component (B), and the following component (C). The molded article is an article obtained by press-molding the sheet molding compound.
    Type: Application
    Filed: April 14, 2021
    Publication date: July 29, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Hayato OGASAWARA, Akira OTA, Yasunori MURANO
  • Publication number: 20210221969
    Abstract: Provided is a sheet molding compound which can inhibit the formation of burrs during press molding, enables a matrix resin to exhibit excellent fluidity and excellent quick curing properties during press molding, and makes it possible to obtain a fiber-reinforced composite excellent in mold release properties, mechanical characteristics, and heat resistance. The sheet molding compound of the present invention contains an epoxy resin composition and reinforcing fiber, in which a gel time of the epoxy resin composition is 30 to 140 seconds at 140° C., a temperature at the start of curing reaction of the epoxy resin composition is 70° C. to 115° C., and when b1 represents a viscosity of the epoxy resin composition measured at 30° C. 7 days after the preparation of the composition, and b2 represents a viscosity of the epoxy resin composition measured at 30° C. 14 days after the preparation of the composition, b1 and b2 satisfy b2/b1?5.
    Type: Application
    Filed: March 4, 2021
    Publication date: July 22, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Akira OOTA, Hayato OGASAWARA
  • Publication number: 20210221998
    Abstract: A curable resin composition includes a polyether polyol resin represented by general formula (1) and having an epoxy equivalent of 7,000 to 100,000 g/eq, an epoxy resin having a functionality of 3 or more, and an epoxy resin curing agent. Provided is a curable resin composition that is excellent in heat resistance and also excellent in bending resistance in a well-balanced manner and that is applicable in various fields that require heat resistance and toughness, particularly, electrical and electronic fields. n is an integer of 1 or more. A1 and A2 are each a divalent organic group having an aromatic structure and/or an alicyclic structure. B is a hydrogen atom or a glycidyl group.
    Type: Application
    Filed: April 6, 2021
    Publication date: July 22, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yosuke TSUGE, Kotaro NOZAWA, Kenta YAMAMOTO, Hayato OGASAWARA
  • Publication number: 20210146653
    Abstract: Provided is a laminated substrate wherein a sheet-shaped material with a porosity of 50-99% is laminated onto at least one surface of a prepreg substrate which includes a reinforcing fiber and a thermoplastic resin.
    Type: Application
    Filed: January 26, 2021
    Publication date: May 20, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takeshi ISHIKAWA, Hayato OGASAWARA, Masao TOMIOKA
  • Patent number: 10919259
    Abstract: Provided is a laminated substrate wherein a sheet-shaped material with a porosity of 50-99% is laminated onto at least one surface of a prepreg substrate which includes a reinforcing fiber and a thermoplastic resin.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: February 16, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takeshi Ishikawa, Hayato Ogasawara, Masao Tomioka
  • Patent number: 10920009
    Abstract: The thermosetting resin composition according to an embodiment of the present invention contains a component (A) which is a novolac vinyl ester resin having a hydroxyl group and an ethylenically unsaturated group in the molecule, a component (B) which is an ethylenically unsaturated monomer, and a component (D) which is a polyisocyanate compound, wherein the component (A) has a hydroxyl value of 30-150 mgKOH/g, and the mole number of the hydroxyl group with respect to the mole number of the ethylenically unsaturated group per gram of the component (A) ((the amount of the hydroxyl group [mol/g])/(the amount of the ethylenically unsaturated group [mol/g])) is 0.1-0.8.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: February 16, 2021
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Hayato Ogasawara, Yuji Kazehaya
  • 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
  • Publication number: 20200131297
    Abstract: A sheet molding compound according to a first aspect of the present invention comprises: a thickened product of a resin composition comprising a vinyl ester resin, a thickener, a polymerization initiator, a polymerization inhibitor and isobornyl methacrylate; and a reinforcing fiber.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 30, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Seiji TSUCHIYA, Hayato OGASAWARA, Yukichi KONAMI, Hiroyuki NAKAO, Shinichirou FURUYA, Yasuhiko NABESHIMA, Atsushi TAKAHASHI
  • 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
  • Publication number: 20190031817
    Abstract: The thermosetting resin composition according to an embodiment of the present invention contains a component (A) which is a novolac vinyl ester resin having a hydroxyl group and an ethylenically unsaturated group in the molecule, a component (B) which is an ethylenically unsaturated monomer, and a component (D) which is a polyisocyanate compound, wherein the component (A) has a hydroxyl value of 30-150 mgKOH/g, and the mole number of the hydroxyl group with respect to the mole number of the ethylenically unsaturated group per gram of the component (A) ((the amount of the hydroxyl group [mol/g])/(the amount of the ethylenically unsaturated group [mol/g])) is 0.1-0.8.
    Type: Application
    Filed: October 4, 2018
    Publication date: January 31, 2019
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Hayato OGASAWARA, Yuji KAZEHAYA
  • Publication number: 20180079165
    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: Application
    Filed: April 1, 2016
    Publication date: March 22, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Masahiko NAGASAKA, Takeshi ISHIKAWA, Hayato OGASAWARA
  • Publication number: 20170157889
    Abstract: Provided is a laminated substrate wherein a sheet-shaped material with a porosity of 50-99% is laminated onto at least one surface of a prepreg substrate which includes a reinforcing fiber and a thermoplastic resin.
    Type: Application
    Filed: December 5, 2014
    Publication date: June 8, 2017
    Applicant: Mitsubishi Rayon Co., Ltd.
    Inventors: Takeshi ISHIKAWA, Hayato OGASAWARA, Masao TOMIOKA
  • Patent number: 9672267
    Abstract: A hybrid data management/storage system is provided which includes two or more integrated or connected data management systems. An external application and/or user interacts with the hybrid data management/storage system using a unified interface. Incoming raw data may be directed to be stored in any of a plurality of data management systems based on the incoming data object having one or more of a number of predefined characteristics, including for example size and/or data type. Metadata corresponding to all incoming data objects may be stored in a particular data store, regardless of whether the incoming object's raw data is stored in a different one of the plurality of data stores.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: June 6, 2017
    Assignee: Cloudian Holdings, Inc.
    Inventors: Gary Hayato Ogasawara, Michael M. Tso
  • Publication number: 20160297185
    Abstract: Provided is a fiber-reinforced resin laminate that is characterized by: comprising stacked layers of the (A) layer and the (B) layer that are indicated below; and by the value resulting from dividing the sum total of the thickness of the (A) layer by the sum total of the thickness of the (B) layer being 0.5-3.0. (A) layer: a laminate that comprises a prepreg in which reinforcing fibers are impregnated with a resin or a resin composition and wherein the product of the square of the volume fraction (Vf) of the reinforcing fibers and the average fiber length (Lamm) is greater than 2.0 mm and equal to or less than 15 mm. (B) layer: a sheet that comprises at least one composition selected from the group consisting of resin compositions and filler-containing resin compositions and wherein the product of the square of the volume fraction (Vf) of the filler and the average value (Lbmm) of the maximum length of the filler is 2.0 mm or less.
    Type: Application
    Filed: December 2, 2014
    Publication date: October 13, 2016
    Applicant: Mitsubishi Rayon Co., Ltd.
    Inventors: Masahiko NAGASAKA, Hayato OGASAWARA, Takeshi ISHIKAWA
  • Publication number: 20160292255
    Abstract: A hybrid data management/storage system is provided which includes two or more integrated or connected data management systems. An external application and/or user interacts with the hybrid data management/storage system using a unified interface. Incoming raw data may be directed to be stored in any of a plurality of data management systems based on the incoming data object having one or more of a number of predefined characteristics, including for example size and/or data type. Metadata corresponding to all incoming data objects may be stored in a particular data store, regardless of whether the incoming object's raw data is stored in a different one of the plurality of data stores.
    Type: Application
    Filed: June 14, 2016
    Publication date: October 6, 2016
    Applicant: Cloudian Holdings, Inc.
    Inventors: Gary Hayato OGASAWARA, Michael M. TSO
  • Patent number: 9396290
    Abstract: A hybrid data management/storage system is provided which includes two or more integrated or connected data management systems. An external application and/or user interacts with the hybrid data management/storage system using a unified interface. Incoming raw data may be directed to be stored in any of a plurality of data management systems based on the incoming data object having one or more of a number of predefined characteristics, including for example size and/or data type. Metadata corresponding to all incoming data objects may be stored in a particular data store, regardless of whether the incoming object's raw data is stored in a different one of the plurality of data stores.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: July 19, 2016
    Assignee: Cloudian Holdings, Inc.
    Inventors: Gary Hayato Ogasawara, Michael M. Tso
  • Publication number: 20160194468
    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: Application
    Filed: September 9, 2014
    Publication date: July 7, 2016
    Applicant: Mitsubishi Rayon Co., Ltd.
    Inventors: Hayato OGASAWARA, Masahiko NAGASAKA, Yasuhiko NABESHIMA, Takeshi ISHIKAWA, Akinobu SASAKI
  • Publication number: 20130327375
    Abstract: An unwarped, lightweight solar cell module with excellent durability in a thermal cycling test and a humidity freeze test is provided. The solar cell module includes: a solar cell; a sealing member for having the solar cell embedded; a front surface protection member; and a back surface protection member. The back surface protection member includes a plate-like structure (a) including a fibrous reinforcement material with a thickness of 6 mm or less and with a mean linear expansion coefficient of 40 ppm/° C. or less at a temperature of 20 to 25° C., and the front surface protection member includes a plate-like structure (b) including a light-transmitting resin material with a thickness of 0.03 mm or more and 0.6 mm or less.
    Type: Application
    Filed: February 22, 2012
    Publication date: December 12, 2013
    Applicant: MITSUBISHI RAYON CO., LTD
    Inventors: Haruko Ootsuki, Hayato Ogasawara, Taira Kajisa, Kazumi Mizuhara