Patents by Inventor Maki Ito

Maki Ito 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: 20240206328
    Abstract: Provided are a compound represented by the following Formula (1) useful as a hole transport material for a photoelectric conversion element, and a photoelectric conversion element using the compound in a hole transport layer.
    Type: Application
    Filed: March 25, 2022
    Publication date: June 20, 2024
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Atsushi SAKURAI, Maki HASHIMOTO, Yuya OHKURA, Hideaki TAKAHASHI, Hiroshi SATO, Toshiaki ITO
  • Patent number: 11925648
    Abstract: The present invention provides a solid dosage form having good stability, suspensibility in water and fluidity by preparing a solid dosage form containing a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, a stabilizer, a sugar alcohol and/or a sugar, a water-soluble polymer and an inorganic substance.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: March 12, 2024
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Naoya Mizutani, Masayuki Morimoto, Maki Okabe, Masaaki Ito, Go Kimura
  • Patent number: 11929507
    Abstract: A binder composition contains an organic solvent and a binder that includes a particulate polymer A and a highly soluble polymer B. The particulate polymer A includes an ethylenically unsaturated acid monomer unit in a proportion of not less than 1.0 mass % and not more than 10.0 mass % and a (meth)acrylic acid ester monomer unit in a proportion of not less than 30.0 mass % and not more than 98.0 mass %. The particulate polymer A includes two particulate polymers A1 and A2 having different volume-average particle diameters. The volume-average particle diameters D50A1 and D50A2 of these particulate polymers A1 and A2 satisfy a formula: D50A2>D50A1?50 nm.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: March 12, 2024
    Assignee: ZEON CORPORATION
    Inventors: Yukie Ito, Kenya Sonobe, Maki Mesuda
  • Patent number: 11760151
    Abstract: A suspension device for electric vehicle includes a pair of hollow members each connected to an elastic body configured to suspend a vehicle body of the vehicle, the pair of hollow members each configured to house, in an internal space of the hollow member, part of an associated one of a pair of drive shafts, a beam member joined to the pair of hollow members, and at least one of a hollow member joint portion or a beam member joint portion having a projecting portion, the hollow member joint portion constituting a side surface of each of the hollow members, the beam member joint portion constituting a side surface of an end portion of the beam member, the other one of the hollow member joint portion or the beam member joint portion having a recessed portion.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: September 19, 2023
    Assignee: Daimler Truck AG
    Inventors: Maki Ito, Chockalingam Hariharan
  • Publication number: 20230032723
    Abstract: A suspension device for electric vehicle includes a pair of hollow members each connected to an elastic body configured to suspend a vehicle body of the vehicle, the pair of hollow members each configured to house, in an internal space of the hollow member, part of an associated one of a pair of drive shafts, a beam member joined to the pair of hollow members, and at least one of a hollow member joint portion or a beam member joint portion having a projecting portion, the hollow member joint portion constituting a side surface of each of the hollow members, the beam member joint portion constituting a side surface of an end portion of the beam member, the other one of the hollow member joint portion or the beam member joint portion having a recessed portion.
    Type: Application
    Filed: October 9, 2020
    Publication date: February 2, 2023
    Inventors: Maki ITO, Chockalingam HARIHARAN
  • Publication number: 20220177646
    Abstract: Provided is a method of manufacturing an aromatic polycarbonate resin composition with high fluidity, particularly during low shear, and a good color. An aromatic polycarbonate resin composition including: an aromatic polycarbonate resin that has a structural unit expressed by general formula (1); a aliphatic cyclic carbonate that is expressed by general formula (2) and is included at a ratio of 10 ppm-10,000 ppm; an aromatic cyclic carbonate that is expressed by general formula (3); and at least one compound selected from the group consisting of compounds expressed by general formulas (4)-(6), wherein the total content of the aromatic cyclic carbonate and the compound(s) expressed by general formula(s) (4)-(6) is 0.1 mass %-2.0 mass % by bisphenol A-converted value.
    Type: Application
    Filed: February 9, 2022
    Publication date: June 9, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori ISAHAYA, Atsushi HIRASHIMA, Hidefumi HARADA, Maki ITO, Jun-ya HAYAKAWA, Takehiko ISOBE, Yousuke SHINKAI, Keisuke SHIMOKAWA
  • Publication number: 20210351102
    Abstract: This heat radiation material contains metal particles and a resin, and has a structure in which the metal particles are localized in at least one surface side.
    Type: Application
    Filed: October 4, 2018
    Publication date: November 11, 2021
    Applicant: Showa Denko Materials Co., Ltd.
    Inventors: Maki ITO, Takashi ANDOU, Yoshitaka TAKEZAWA
  • Patent number: 11166396
    Abstract: Provided is a box-type vehicle-mounted control device that effectively increases the amount of heat transfer from electronic components and a circuit board to a casing (base and cover) and that accordingly has achieved excellent heat dissipation property. The box-type vehicle-mounted control device includes a circuit board 12, a base 13, and a cover 14. In addition, a first heat radiating coating layer 31 is formed on at least one surface of the circuit board 12, and a second heat radiating coating layer 32 is formed on an inner surface of one or both of the base 13 and the cover 14 facing the first heat radiating coating layer 31.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: November 2, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Maki Ito, Toshiaki Ishii, Masaru Kamoshida, Hideto Yoshinari, Masato Saito, Akitoyo Konno
  • Patent number: 11148515
    Abstract: A driving device for an electric truck which can obtain good ride quality by decreasing the unsprung weight while achieving the adequate fuel efficiency performance by improving the power transmission efficiency and which can improve the mountability of a battery. The driving device includes a driving unit that accommodates therein a motor, a gearbox, and a differential device. The driving unit is supported by a first support part with respect to a ladder frame. Drive shafts coupled to the differential device are accommodated in hollow members. The hollow members are elastically supported by a second support part with respect to the ladder frame.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: October 19, 2021
    Assignee: Daimler AG
    Inventors: Maki Ito, Hiroshi Matsumoto
  • Patent number: 11021571
    Abstract: Provided is a manufacturing method for a high molecular weight aromatic polycarbonate resin that has superior fluidity and for which a good color and a sufficiently high molecular weight can be achieved. A manufacturing method for a high molecular weight aromatic polycarbonate resin includes: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is kept in a molten state, and is mixed with an aromatic polycarbonate prepolymer within ten hours after obtaining the catalyst composition, to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: June 1, 2021
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori Isahaya, Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun-ya Hayakawa, Takehiko Isobe, Yousuke Shinkai, Keisuke Shimokawa
  • Patent number: 11007857
    Abstract: A vehicle driving apparatus includes axle housings to which a differential-side housing is coupled, the axle housings integrally housing drive shafts of driving wheels, first support sections that couple first rotary support shafts coupled to a vehicle body and the axle housings and perform a swing motion with the first rotary support shafts as a rotation center to thereby support the axle housings on the vehicle body, and second support sections that elastically couple second rotary support shafts supported on the vehicle body via rail structures and a motor-side housing and perform a swing motion with the second rotary support shafts as a rotation center to thereby support the motor-side housing on the vehicle body. The rail structures are configured such that the second rotary support shafts are movable in a vehicle front-rear direction.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: May 18, 2021
    Assignee: Daimler AG
    Inventor: Maki Ito
  • Publication number: 20210078397
    Abstract: A vehicle driving apparatus includes axle housings to which a differential-side housing is coupled, the axle housings integrally housing drive shafts of driving wheels, first support sections that couple first rotary support shafts coupled to a vehicle body and the axle housings and perform a swing motion with the first rotary support shafts as a rotation center to thereby support the axle housings on the vehicle body, and second support sections that elastically couple second rotary support shafts supported on the vehicle body via rail structures and a motor-side housing and perform a swing motion with the second rotary support shafts as a rotation center to thereby support the motor-side housing on the vehicle body. The rail structures are configured such that the second rotary support shafts are movable in a vehicle front-rear direction.
    Type: Application
    Filed: July 20, 2018
    Publication date: March 18, 2021
    Applicant: Daimler AG
    Inventor: Maki ITO
  • Patent number: 10927216
    Abstract: Provided is a high molecular weight aromatic polycarbonate resin manufacturing method that suppresses the occurrence of heterogeneous structures and can achieve a sufficiently high molecular weight. A high molecular weight aromatic polycarbonate resin manufacturing method including: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is transferred to a prepolymer mixing tank via a transfer pipe, with a transfer period of 10 hours or less; a step in which the transferred catalyst composition and an aromatic polycarbonate prepolymer are mixed in the prepolymer mixing tank to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: February 23, 2021
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori Isahaya, Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun-ya Hayakawa, Takehiko Isobe, Yousuke Shinkai, Keisuke Shimokawa
  • Patent number: 10894860
    Abstract: A high molecular weight aromatic polycarbonate resin manufacturing method that can achieve good quality and sufficiently high molecular weight includes: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is transferred to a prepolymer mixing tank via a transfer pipe; a step in which the transferred catalyst composition and an aromatic polycarbonate prepolymer are mixed in the prepolymer mixing tank, under a pressure that is greater than or equal to the vapor pressure of the dialcohol compound at the temperature of the prepolymer mixing tank and is less than or equal to 5 MPa, to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: January 19, 2021
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori Isahaya, Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun-ya Hayakawa, Takehiko Isobe, Yousuke Shinkai, Keisuke Shimokawa
  • Publication number: 20200247224
    Abstract: Provided is a driving device for an electric truck which can obtain good ride quality by decreasing the unsprung weight while achieving the adequate fuel efficiency performance by improving the power transmission efficiency and which can improve the mountability of a battery. The driving device for an electric truck includes a driving unit that accommodates therein a motor. a gearbox, and a differential device. The driving unit is supported by a first support part with respect to a ladder frame. Drive shafts coupled to the differential device are accommodated in hollow members. The hollow members are elastically supported by a second support part with respect to the ladder frame.
    Type: Application
    Filed: July 20, 2018
    Publication date: August 6, 2020
    Applicant: Daimler AG
    Inventors: Maki ITO, Hiroshi MATSUMOTO
  • Publication number: 20200216611
    Abstract: Provided is a manufacturing method for a high molecular weight aromatic polycarbonate resin that has superior fluidity and for which a good color and a sufficiently high molecular weight can be achieved. A manufacturing method for a high molecular weight aromatic polycarbonate resin includes: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is kept in a molten state, and is mixed with an aromatic polycarbonate prepolymer within ten hours after obtaining the catalyst composition, to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin.
    Type: Application
    Filed: March 24, 2017
    Publication date: July 9, 2020
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori ISAHAYA, Atsushi HIRASHIMA, Hidefumi HARADA, Maki ITO, Jun-ya HAYAKAWA, Takehiko ISOBE, Yousuke SHINKAI, Keisuke SHIMOKAWA
  • Patent number: 10699917
    Abstract: An object is to provide the structure of an ECU enabling resin to be filled without deformation of an electronic circuit board. A resin-sealed vehicle-mounted control device includes: a circuit board; a base member housing the circuit board; and resin filled between the circuit board and the base member. The base member has: a base portion fixing the circuit board; and a side wall opposed to the side surface side of the circuit board. The resin is provided at least between the circuit board and the base portion. The side wall has an opening at any position on the side of the base portion from a position opposed to the side surface side of the electronic circuit board.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: June 30, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Maki Ito, Toshiaki Ishii, Yoshio Kawai, Nobutake Tsuyuno, Yujiro Kaneko, Takayuki Fukuzawa, Masahiko Asano
  • Patent number: 10448498
    Abstract: The invention provides an in-vehicle controller equipped with a heat radiation coating film which can efficiently radiate heat from a high temperature portion such as a heat generating body to a casing. An in-vehicle controller includes a heat radiation coating film, wherein the heat radiation coating film includes a first region that has a first boundary surface abutting on a base material, and a second region that has a second boundary surface where the heat radiation coating film abuts on air, wherein a thermal conductivity of the first region is higher than that of the second region, and wherein a thermal emissivity of the second region is higher than that of the first region.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: October 15, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Maki Ito, Yuusuke Yasuda, Toshiaki Ishii, Yoshio Kawai, Masahiko Asano
  • Publication number: 20190119441
    Abstract: A high molecular weight aromatic polycarbonate resin manufacturing method that can achieve good quality and sufficiently high molecular weight includes: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is transferred to a prepolymer mixing tank via a transfer pipe; a step in which the transferred catalyst composition and an aromatic polycarbonate prepolymer are mixed in the prepolymer mixing tank, under a pressure that is greater than or equal to the vapor pressure of the dialcohol compound at the temperature of the prepolymer mixing tank and is less than or equal to 5 MPa, to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin.
    Type: Application
    Filed: March 24, 2017
    Publication date: April 25, 2019
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori ISAHAYA, Atsushi HIRASHIMA, Hidefumi HARADA, Maki ITO, Jun-ya HAYAKAWA, Takehiko ISOBE, Yousuke SHINKAI, Keisuke SHIMOKAWA
  • Patent number: D946608
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 22, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hirohiko Higuchi, Maki Ito