Patents by Inventor Takashi Iizuka

Takashi Iizuka 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: 20200364766
    Abstract: According to one embodiment, an article management apparatus manages an article by list data representing a list of the articles, and includes an acquisition unit and an update unit. The acquisition unit acquires packaged article data representing both an article code that is recorded on a packaged article in which a plurality of the same single articles are packaged together and identifies the single article and the number of the packaged single articles. The update unit updates the list data so as to represent a new list further including the number of the articles, which are identified by the article code represented by the packaged article data acquired by the acquisition unit, represented by the packaged article data, in addition to the articles indicated in the list represented by the list data, in response to a fact that the packaged article data are acquired by the acquisition unit.
    Type: Application
    Filed: November 20, 2019
    Publication date: November 19, 2020
    Inventors: Hidenori Fujimaki, Takashi Iizuka, Hisashi Matsukawa
  • Publication number: 20200361022
    Abstract: A pierce metal includes a head and a shaft. The shaft is configured to penetrate through an aluminum die-cast member with a protruded tip surface of the shaft being exposed from the aluminum die-cast member, and an outer peripheral surface of the shaft is configured to come into contact with a through-hole of the aluminum die-cast member, upon joining the aluminum die-cast member and the iron-based member together. The head and the iron-based member in contact with the protruded tip surface are configured to be held under pressure and applied with electric power by weld electrodes to perform spot welding of the protruded tip surface and the iron-based member, upon joining the aluminum die-cast member and the iron-based member together. The outer peripheral surface includes a non-contact part configured to come into non-contact with the through-hole in a state in which the shaft is penetrated through the aluminum die-cast member.
    Type: Application
    Filed: April 1, 2020
    Publication date: November 19, 2020
    Inventors: Tatsunori MATSUNAGA, Takashi Iizuka, Seigo Shimizu, Kunpei Ito, Yugo Tomita
  • Patent number: 10808006
    Abstract: The present invention relates to a terpenoid derivative that has the ability to activate the Keap1/Nrf2/ARE signaling pathway and is excellent in anti-inflammatory action and cytoprotective action, and a sustained-release pharmaceutical composition effective for the treatment and prevention of a posterior eye disease caused by oxidative stress, comprising the terpenoid derivative as an active ingredient. The present invention provides a local administration-type sustained-release pharmaceutical composition for the treatment or prevention of a posterior eye disease, comprising the terpenoid derivative of the present invention as an active ingredient, wherein the sustained-release pharmaceutical composition maintains a pharmacological action thereof for 1 week or longer by the sustained release of the terpenoid derivative under physiological conditions and has a base material administrable to the vitreous body and a form administrable to the vitreous body.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: October 20, 2020
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Yuji Kasuya, Yasuhiro Nakagami, Emiko Hatano, Tatsuya Inoue, Kazuhiro Yoshida, Satoshi Komoriya, Yoko Murakami, Masaru Iwasaki, Atsunobu Sakamoto, Kayoko Masuda, Masako Minami, Mayumi Iizuka, Yasunori Ono, Takashi Ohnuki
  • Patent number: 10781823
    Abstract: An impeller includes: a main body portion which is increased in diameter from one side to another side in a rotation axis direction; a thinned portion, which is formed in a back surface of the main body portion so as to be oriented toward the another side in the rotation axis direction, and is recessed toward the one side in the rotation axis direction; a plurality of full blades which are formed on an outer circumferential surface of the main body portion so as to be oriented toward the one side in the rotation axis direction; and a plurality of splitter blades, which are formed on the outer circumferential surface, and have end portions being located on the one side in the rotation axis direction and being positioned on the another side in the rotation axis direction with respect to the full blades.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: September 22, 2020
    Assignee: IHI Corporation
    Inventors: Taiki Yoshizaki, Koutarou Itou, Takashi Yoshida, Takuya Ozasa, Kuniaki Iizuka
  • Publication number: 20200283556
    Abstract: A modified conjugated diene rubber having a modifying structure derived from a siloxane compound at at least one terminal of a polymer chain containing conjugated diene monomer unit and a monomer unit of a vinyl compound having a functional group interactive with silica.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 10, 2020
    Applicants: ZEON CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITED, ZS ELASTOMERS CO., LTD.
    Inventors: Takuro SAKURAI, Takashi IIZUKA, Mana FUJII, Hisakatsu HAMA
  • Publication number: 20200270288
    Abstract: An object is to provide a novel organophosphorus compound which can impart flame retardancy to an amorphous resin in a smaller addition amount without deteriorating heat resistance and transparency, and also can be applied to a wide range of resins, a flame retardant containing the same, and a method for producing an organophosphorus compound.
    Type: Application
    Filed: December 21, 2016
    Publication date: August 27, 2020
    Applicant: Maruzen Petrochemical Co., Ltd.
    Inventors: Tadashi YAMAZAKI, Tetsuya IIZUKA, Takashi TAKAHASHI, Yu KINAMI, Yusuke YKOO
  • Publication number: 20200262961
    Abstract: A conjugated diene-based rubber including a polymer block (A) containing isoprene monomer unit as the main component and a polymer block (B) containing 1,3-butadiene monomer unit as the main component, wherein at least one of the polymer block (A) and the polymer block (B) contains a unit of a vinyl compound having a functional group interactive with silica, the polymer block (A) has a weight average molecular weight (Mw) in the range of 1,000 to 30,000, and the entire conjugated diene-based rubber has a weight average molecular weight (Mw) in the range of 50,000 to 5,000,000.
    Type: Application
    Filed: September 28, 2018
    Publication date: August 20, 2020
    Applicants: ZEON CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITED, ZS ELASTOMERS CO., LTD.
    Inventors: Takuro SAKURAI, Takashi IIZUKA, Mana FUJII, Hisakatsu HAMA
  • Patent number: 10724426
    Abstract: An electric turbocharger includes an electric motor which rotationally drives a rotating blade, a motor housing which accommodates the electric motor therein, a controller which is disposed outside the motor housing and controls the driving of the electric motor, and a power supply mechanism which supplies a current from the controller to the electric motor through a through-hole communicating the inside and the outside of the motor housing, in which the power supply mechanism includes a rod which is hermetically sealed while being inserted through the through-hole, a connector which is connected to at least one end of the rod, and a busbar which is connected to the connector, and in which the connector absorbs a relative positional displacement of the rod with respect to the connector.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: July 28, 2020
    Assignee: IHI Corporation
    Inventors: Kuniaki Iizuka, Takashi Yoshida, Yuji Sasaki, Tatsumi Inomata, Takuya Ozasa, Tomohisa Okada, Ryosuke Yumoto, Kouta Kimachi
  • Patent number: 10662963
    Abstract: A rotary machine is provided with: a bearing that supports a rotary shaft of an impeller; a bearing support part that supports an outer circumference of the bearing; a key groove that is formed in the bearing and the bearing support part and extends along a rotary shaft line direction of the rotary shaft; and a key member that is inserted into the key groove. The bearing support part is provided with an outer regulating part that can contact one end part of the key member inside the key groove. An outer ring of the bearing is provided with an inner regulating part that can contact another end part of the key member inside the key groove. A distance between the outer regulating part and the inner regulating part is longer than a length of the key member in the rotary shaft line direction.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: May 26, 2020
    Assignee: IHI Corporation
    Inventors: Kuniaki Iizuka, Takashi Yoshida, Yuji Sasaki, Tatsumi Inomata, Takuya Ozasa, Ryosuke Yumoto, Takashi Mori
  • Patent number: 10648511
    Abstract: A seal structure includes a rotary shaft that is provided inside a housing, a metal-made surrounding portion of the housing that surrounds the rotary shaft in a radial direction of the rotary shaft, and a resin-made seal member that faces an inner circumferential surface of the surrounding portion and rotates together with the rotary shaft.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: May 12, 2020
    Assignee: IHI Corporation
    Inventors: Kuniaki Iizuka, Takashi Yoshida
  • Patent number: 10634043
    Abstract: An electric device includes a partition wall configured to partition between a motor chamber having a relatively high pressure and an inverter chamber having a relatively low pressure; an inverter, which is provided in the inverter chamber, and is configured to supply power; a motor, which is provided in the motor chamber, and is configured to operate with supply of power from the inverter; and a bus-bar device, which is mounted to the partition wall by being inserted into a partition wall through hole formed in the partition wall, and is configured to connect the inverter and the motor to each other. The bus-bar device includes a bus bar configured to connect the inverter and the motor to each other; a plate portion into which the bus bar is inserted; and a resin portion.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: April 28, 2020
    Assignee: IHI Corporation
    Inventors: Yuji Sasaki, Takashi Yoshida, Tatsumi Inomata, Kuniaki Iizuka
  • Patent number: 10614276
    Abstract: A processor in a first portable terminal of a first user advertises an advertising signal including a unique service identification code and a randomly generated identification code and displays a two-dimensional code corresponding to a randomly generated identification code based on profile information of the first user on a screen of the first portable terminal. A processor in a second portable terminal of a second user specifies the first portable terminal of an exchange partner by reading the two-dimensional code displayed on the screen of the first portable terminal and determining coincidence with the received randomly generated identification code, and exchanges the profile information.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: April 7, 2020
    Assignee: MIMIWORKS CO., LTD.
    Inventor: Takashi Iizuka
  • Publication number: 20200040903
    Abstract: A bearing structure of the present disclosure includes a rotation shaft, a bearing that is attached in a housing to support the rotation shaft with respect to the housing and includes an inner race through which the rotation shaft is inserted and an outer race which includes an annular groove portion formed on an outer peripheral surface facing an inner wall surface of the housing, and an O-ring which is disposed on the groove portion of the outer race of the bearing, protrudes outward in a radial direction in relation to the outer peripheral surface, and comes into contact with the inner wall surface of the housing. A clearance is formed between the inner wall surface of the housing and the outer peripheral surface of the bearing. The clearance is larger than a radial displacement amount of the O-ring.
    Type: Application
    Filed: March 26, 2018
    Publication date: February 6, 2020
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Tatsumi INOMATA, Takuya OZASA, Kai llJIMA, Ryosuke YUMOTO, Takashi MORI, Yuji SASAKI
  • Publication number: 20190345956
    Abstract: An electric compressor includes a rotation shaft, a compressor impeller, a rotor portion, a stator portion, and a motor housing. The motor housing includes an inner housing which includes a first cylindrical portion surrounding and holding the stator portion and an outer housing which includes a second cylindrical portion surrounding and holding the first cylindrical portion of the inner housing. An outer peripheral surface of the stator portion is in contact with an inner peripheral surface of the first cylindrical portion of the inner housing. An outer peripheral surface of the first cylindrical portion is provided with a first groove portion disposed to turn around an axis of the rotation shaft by one turn or more and the first groove portion includes a spiral groove portion.
    Type: Application
    Filed: January 24, 2018
    Publication date: November 14, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Patent number: 10473110
    Abstract: A centrifugal compressor including: a impeller; a wall portion having an opposed surface that is spaced apart from and opposed to a back surface of the impeller; an insertion hole, which is formed in the wall portion, and is configured to receive a shaft inserted into the insertion hole; a bearing, which is provided in the insertion hole or apart from the impeller with respect to the insertion hole, and is configured to axially support the shaft through interposition of grease being a lubricant inside; an electric motor which is provided on a side opposite to the impeller over the wall portion; and an opposed hole, which is formed in the wall portion, is disclosed. The opposed hole has one end opened in the opposed surface and another end opened at a position opposed to a stator of the electric motor on a side opposite to the impeller.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: November 12, 2019
    Assignee: IHI Corporation
    Inventors: Kuniaki Iizuka, Takashi Yoshida, Tatsumi Inomata, Takuya Ozasa, Kouta Kimachi
  • Publication number: 20190329136
    Abstract: A simulation system includes a processor including hardware. The processor performs an information acquisition process of acquiring position information of a user wearing a head mounted display to cover his/her field of view; a virtual space setting process of setting a virtual space where a moving body corresponding to the user is arranged and set based on the acquired position information; a moving body process of moving the moving body in the virtual space based on the acquired position information; and a display process of generating a display image on the head mounted display. In the virtual space setting process, the processor sets the virtual space such that a first moving body group and a second moving body group are arranged and set in a common virtual field of the virtual space.
    Type: Application
    Filed: May 17, 2019
    Publication date: October 31, 2019
    Applicant: BANDAI NAMCO ENTERTAINMENT INC.
    Inventors: Junichiro KOYAMA, Akio ONDA, Takashi AOKI, Norihiro NISHIMURA, Toru HISANO, Yuji IIZUKA, Hiroumi ENDO, Kenichi NAGASHIMA, Hiroki YAKATA, Kentaro TAMURA, Akinari USHIGUCHI, Koji INOKUCHI
  • Publication number: 20190332837
    Abstract: A processor in a first portable terminal of a first user advertises an advertising signal including a unique service identification code and a randomly generated identification code and displays a two-dimensional code corresponding to a randomly generated identification code based on profile information of the first user on a screen of the first portable terminal. A processor in a second portable terminal of a second user specifies the first portable terminal of an exchange partner by reading the two-dimensional code displayed on the screen of the first portable terminal and determining coincidence with the received randomly generated identification code, and exchanges the profile information.
    Type: Application
    Filed: October 24, 2017
    Publication date: October 31, 2019
    Applicant: MIMIWORKS CO., LTD.
    Inventor: Takashi IIZUKA
  • Patent number: 10415644
    Abstract: A rotary machine includes rotating shaft supported with respect to an end wall of a housing. The rotary machine includes a bearing that is attached to the rotating shaft and rotatably supports the rotating shaft to the housing, a cylindrical holding portion that is provided in the end wall of the housing and extends in an axial direction of the rotating shaft, and a cylindrical bearing sleeve that is fixed to the holding portion and surrounds the bearing. The bearing sleeve includes a surrounding portion that surrounds the bearing and a protruding portion that protrudes from the surrounding portion toward the end wall. The protruding portion and the holding portion overlap each other in a radial direction of the rotating shaft, and the bearing sleeve is fixed to the end wall by fitting the protruding portion into the holding portion.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: September 17, 2019
    Assignee: IHI Corporation
    Inventors: Kuniaki Iizuka, Takashi Yoshida, Tatsumi Inomata, Takuya Ozasa, Kouta Kimachi
  • Publication number: 20190257234
    Abstract: An exhaust gas energy recovery device includes a power generation device driven by a turbine configured to rotate by an exhaust gas, a switching element connected to the power generation device, a first terminal connected to the power generation device via the switching element and for being connected to a first power storage device, and a second terminal connected to the power generation device and for being connected to a second power storage device, in which a terminal voltage of the first power storage device is lower than a terminal voltage of the second power storage device, and the switching element switches a destination to be charged by the power generation device to either the first power storage device or the second power storage device on the basis of magnitude of a direct current voltage output from the power generation device.
    Type: Application
    Filed: November 7, 2017
    Publication date: August 22, 2019
    Applicant: IHI Corporation
    Inventors: Yuji SASAKI, Takashi YOSHIDA, Tatsumi INOMATA, Kuniaki IIZUKA, Takuya OZASA, Ryosuke YUMOTO
  • Publication number: 20190233466
    Abstract: The present invention relates to a terpenoid derivative that has the ability to activate the Keap1/Nrf2/ARE signaling pathway and is excellent in anti-inflammatory action and cytoprotective action, and a sustained-release pharmaceutical composition effective for the treatment and prevention of a posterior eye disease caused by oxidative stress, comprising the terpenoid derivative as an active ingredient. The present invention provides a local administration-type sustained-release pharmaceutical composition for the treatment or prevention of a posterior eye disease, comprising the terpenoid derivative of the present invention as an active ingredient, wherein the sustained-release pharmaceutical composition maintains a pharmacological action thereof for 1 week or longer by the sustained release of the terpenoid derivative under physiological conditions and has a base material administrable to the vitreous body and a form administrable to the vitreous body.
    Type: Application
    Filed: February 15, 2019
    Publication date: August 1, 2019
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Yuji Kasuya, Yasuhiro Nakagami, Emiko Hatano, Tatsuya Inoue, Kazuhiro Yoshida, Satoshi Komoriya, Yoko Murakami, Masaru Iwasaki, Atsunobu Sakamoto, Kayoko Masuda, Masako Minami, Mayumi Iizuka, Yasunori Ono, Takashi Ohnuki