Patents by Inventor Takeshi Igarashi

Takeshi Igarashi 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: 20100060150
    Abstract: The present invention provides a compound that can be readily purified and an organic EL device having a luminescent layer including the compound. In particular, the present invention provides a cyclic siloxane compound represented by Formula (1) below: wherein, in Formula (1), R1 and R2 are each independently a luminescent monovalent group, a charge-transporting monovalent group, or another substituent; at least one of R1 and R2 is the charge-transporting monovalent group or the luminescent monovalent group; and n is an integer of 2 to 100, and an organic EL device having luminescent layer containing the compound.
    Type: Application
    Filed: October 31, 2007
    Publication date: March 11, 2010
    Inventor: Takeshi Igarashi
  • Publication number: 20090315454
    Abstract: The present invention provides an organic EL device having a high luminous efficiency and a long life, and an iridium complex compound used for preparing the above device. The iridium complex compound is represented by the following Formula (1): [in Formula (1), R1 to R4 are each independently a specific group; at least one of R1 to R4 is a group having 2 or more carbon atoms; R5 to R8 are each independently a specific group; and at least one of R5 to R8 is a specific electron-withdrawing group; (with the proviso that R1 to R8 are not combined with each other to form rings)].
    Type: Application
    Filed: November 5, 2007
    Publication date: December 24, 2009
    Applicant: Showa Denko K.K.
    Inventor: Takeshi Igarashi
  • Patent number: 7635527
    Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.
    Type: Grant
    Filed: February 6, 2008
    Date of Patent: December 22, 2009
    Assignee: Showa Denko K.K.
    Inventors: Masataka Takeuchi, Shuichi Naijo, Naoko Ito, Koro Shirane, Takeshi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
  • Publication number: 20090202392
    Abstract: A pipette tip formed by a polypropylene substrate coated with a water repellent agent. The water repellent agent contains a silicone resin containing at least one specific substance selected from the group consisting of diisononyl phthalate, diisodecyl phthalate, trioctyl trimellitate and poly (1,3-butanediol adipate). The total mass of the specific substance is 1-30 mass % of the silicone resin.
    Type: Application
    Filed: February 6, 2009
    Publication date: August 13, 2009
    Inventors: Hikaru URANO, Takeshi Igarashi, Shuichi Takahashi, Fuminori Arai
  • Patent number: 7561435
    Abstract: There is proposed an engine controller which is excellent in reliability in that the outer peripheral edge face (cut surface) of covering member can be prevented from being rusted while securing the water-proofness and dust-proofness. This engine controller comprises a circuit board (12) for controlling an engine; an aluminum die-cast main case body (20) having an open top; and a covering member (30) made of an iron-based metal plate which is preliminarily applied with surface treatment, the covering member (30) being fixedly clamped to the main case body (20) by means of a setscrew (40) so as to hermetically close the open top of the main case body (20); wherein the main case body (20) is provided thereon with a pedestal (24) or groove (25) on which a liquid or jellied water-proofing adhesive (50) is coated or filled (piled), thereby enabling entire outer peripheral edge face (33a) of the covering member (30) to be covered by the water-proofing adhesive (50).
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: July 14, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Masaru Kamoshida, Masahiro Sasaki, Takeshi Igarashi, Masahiko Asano
  • Patent number: 7560346
    Abstract: A semiconductor device includes: a first FET that is formed with first unit FETs each having a first finger electrode and a second finger electrode provided on either side of a gate finger electrode, the first unit FETs being connected in parallel; and a second FET that is formed with second unit FETs each having a first finger electrode and a second finger electrode provided on either side of a gate finger electrode, the second unit FETs being connected in parallel. In this semiconductor device, the second finger electrode of each of the first unit FETs and the first finger electrode of each corresponding one of the second unit FETs form a common finger electrode, and the first finger electrodes of the first unit FETs, the second finger electrodes of the second unit FETs, and the common finger electrodes are arranged in the gate length direction of the first FET and the second FET.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: July 14, 2009
    Assignee: Eudyna Devices Inc.
    Inventor: Takeshi Igarashi
  • Publication number: 20090058286
    Abstract: Disclosed is an organic light-emitting device which contains one or more organic layers sandwiched between an anode and a cathode, wherein at least one of the organic layers is a light-emitting layer comprising a polymer compound (I), the polymer compound (I) comprising structural units derived from a hole transport or electron transport and phosphorescent polymerizable compound (a1) and structural units derived from a polymerizable compound (b) capable of transporting an oppositely charged carrier, the polymerizable compound (a1) being selected from the group consisting of the following formulae (E1-1) and the like.
    Type: Application
    Filed: March 26, 2007
    Publication date: March 5, 2009
    Applicant: SHOWA DENKO K.K
    Inventors: Tamami Koyama, Takeshi Igarashi
  • Publication number: 20080290793
    Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.
    Type: Application
    Filed: February 6, 2008
    Publication date: November 27, 2008
    Applicant: Showa Denko K.K.
    Inventors: Masataka Takeuchi, Shuichi Naijo, Naoko Ito, Koro Shirane, Takeshi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
  • Publication number: 20080230908
    Abstract: A semiconductor device includes: a pad that is formed on a semiconductor layer, contains Al, and has an interconnection portion that is formed outside a bonding area; an interconnection layer that contains Au and is electrically connected to the interconnection portion of the pad, an edge of the interconnection layer being formed outside of the bonding area; and a barrier layer that is provided between the interconnection portion and the interconnection layer.
    Type: Application
    Filed: March 24, 2008
    Publication date: September 25, 2008
    Applicant: EUDYNA DEVICES INC.
    Inventor: Takeshi IGARASHI
  • Patent number: 7396598
    Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: July 8, 2008
    Assignee: Showa Denko K.K.
    Inventors: Masataka Takeuchi, Shuichi Naijo, Naoko Ito, Koro Shirane, Takeshi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
  • Publication number: 20080152947
    Abstract: A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices.
    Type: Application
    Filed: February 6, 2008
    Publication date: June 26, 2008
    Applicant: Showa Denko K.K.
    Inventors: Masataka Takeuchi, Shuichi Naijo, Naoko Ito, Koro Shirane, Takeshi Igarashi, Yoshiaki Takahashi, Motoaki Kamachi
  • Publication number: 20080135317
    Abstract: Air flowing through a secondary air inducting conduit of a motorcycle is effectively cooled to enhance combustion efficiency of exhaust gas in a catalyzer. A part of the secondary air inducting conduit is exposed to a space behind a front wheel and in front of an engine, and thus acts as a secondary air cooling conduit section for cooling down secondary air flowing through the secondary air inducting conduit.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 12, 2008
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Kenichi KAJIWARA, Kazuya NISHIZAWA, Takayuki GOUKE, Takeshi IGARASHI
  • Patent number: 7343223
    Abstract: A load sensor that is inoperable even when applied with a large load, has a simple structure easily designed to be lightweight and compact and can detect a load with a high accuracy, and a legged robot apparatus including the load sensor in each of legs thereof. The robot apparatus includes the load sensors counting more than one and each of which detects, as an external force, a reaction applied when the leg abuts a ground surface. The load sensor includes a diaphragm, an activating member that is applied with an external force, a driving member forming along with the activating member a double structure and which presses the pressure-sensitive portion, and an elastic member.
    Type: Grant
    Filed: March 10, 2004
    Date of Patent: March 11, 2008
    Assignees: Alps Electric Co., Ltd., Sony Corporation
    Inventors: Akito Miura, Ryoichi Maeda, Susumu Tosaka, Takeshi Igarashi, Goushi Koike
  • Publication number: 20080033638
    Abstract: To safely and easily provide information that an operator needs, when a mobile body has started to move, a first acquiring unit and a second acquiring unit respectively acquire corresponding image information. Using the acquired image information and map information, an extracting unit extracts map information identical to the image information of the scenery around the mobile body. A selecting unit selects, from the extracted map information, an object that coincides with the position of the point viewed by the operator in the image information of the scenery around the mobile body. An output unit outputs information concerning the selected object.
    Type: Application
    Filed: July 24, 2007
    Publication date: February 7, 2008
    Inventors: Naofumi HIRAYAMA, Takeshi IGARASHI, Mineki MIYASAKA, Yohei NAKAJIMA
  • Publication number: 20080002377
    Abstract: There is proposed an engine controller which is excellent in reliability in that the outer peripheral edge face (cut surface) of covering member can be prevented from being rusted while securing the water-proofness and dust-proofness. This engine controller comprises a circuit board (12) for controlling an engine; an aluminum die-cast main case body (20) having an open top; and a covering member (30) made of an iron-based metal plate which is preliminarily applied with surface treatment, the covering member (30) being fixedly clamped to the main case body (20) by means of a setscrew (40) so as to hermetically close the open top of the main case body (20); wherein the main case body (20) is provided thereon with a pedestal (24) or groove (25) on which a liquid or jellied water-proofing adhesive (50) is coated or filled (piled), thereby enabling entire outer peripheral edge face (33a) of the covering member (30) to be covered by the water-proofing adhesive (50).
    Type: Application
    Filed: June 26, 2007
    Publication date: January 3, 2008
    Inventors: Masaru KAMOSHIDA, Masahiro Sasaki, Takeshi Igarashi, Masahiko Asano
  • Publication number: 20070271574
    Abstract: A carrying section of a disk apparatus includes a pair of arms disposed in a substantially symmetrical relationship with respect to the carrying direction of a disk in the proximity of the opposite ends of an opening formed in a housing such that the arms pivot around end portions thereof adjacent the opening in synchronism with each other in directions toward and away from each other, and a biasing element which biases the arms in a direction in which ends of the arms remote from the opening approach each other. The arms individually have rollers provided thereon which grip and carry the disk to a predetermined position. At least one of the rollers is rotated by the driving member to carry the disk. A controller includes a state decision section which decides a carrying state of the disk and a driving control section which stops, if it is decided that part of the disk is carried out to the outside of the housing, the driving of the driving means in a state wherein the rollers grip the disk.
    Type: Application
    Filed: May 15, 2007
    Publication date: November 22, 2007
    Inventors: Aki YOGUCHI, Takamasa ARAKI, Takeshi IGARASHI, Masaho MORITA, Isao OKUYAMA
  • Publication number: 20070254552
    Abstract: The object of the present invention is to provide a method of stably producing a high quality organic EL device by surely avoiding adverse influence due to organic matters and the like when an organic layer is formed on a surface of, for example, a substrate having an anode formed thereon. The means for resolution is characterized in that the inside of an organic EL device production apparatus equipped with an organic film-forming chamber for forming an organic layer on a surface of, for example, a substrate having an anode formed thereon is cleaned with an ozone gas, and the organic layer is then formed.
    Type: Application
    Filed: May 31, 2004
    Publication date: November 1, 2007
    Applicant: ULVAC, INC.
    Inventors: Natsuki Takahasi, Koichi Sakasegawa, Takeshi Igarashi, Yasuki Nishinobo, Masahiko Otomo, Osamu Irisawa, Kazuo Yamada
  • Publication number: 20070228424
    Abstract: A semiconductor device includes: a first FET that is formed with first unit FETs each having a first finger electrode and a second finger electrode provided on either side of a gate finger electrode, the first unit FETs being connected in parallel; and a second FET that is formed with second unit FETs each having a first finger electrode and a second finger electrode provided on either side of a gate finger electrode, the second unit FETs being connected in parallel. In this semiconductor device, the second finger electrode of each of the first unit FETs and the first finger electrode of each corresponding one of the second unit FETs form a common finger electrode, and the first finger electrodes of the first unit FETs, the second finger electrodes of the second unit FETs, and the common finger electrodes are arranged in the gate length direction of the first FET and the second FET.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 4, 2007
    Applicant: EUDYNA DEVICES INC.
    Inventor: Takeshi Igarashi
  • Publication number: 20070155928
    Abstract: The present invention relates to a phosphorescent polymer compound comprising a phosphorescent monomer unit and a hole transporting monomer unit having a triphenylamine structure represented by the formula (1): (in the formula, the symbols have the same meanings as defined in the Description), and an organic light emitting device using the compound. Use of the phosphorescent polymer compound of the present invention enables production of organic light emitting device with a high light emitting efficiency at a low voltage, which is suitable for increasing the emission area and mass production.
    Type: Application
    Filed: August 27, 2004
    Publication date: July 5, 2007
    Inventors: Tamami Koyama, Takeshi Igarashi, Kumio Kondoh, Isamu Taguchi, Ryuji Monden
  • Patent number: 7088643
    Abstract: A recording and/or reproducing apparatus for recording and/or reproducing signals on and/or from a recording medium includes a recording and/or reproducing portion for recording and/or reproducing signals on and/or from the recording medium, a carrying portion for carrying the recording medium, and first and second sliders. The first slider is movable in one direction for moving the carrying portion together with the recording medium up to a specific withdrawal position. The second slider is movable in a direction being substantially the same as the one direction for moving the recording medium carried by the carrying portion to a recording and/or reproducing position corresponding to a position of the recording and/or reproducing portion. The first slider and the second slider are overlapped to each other in the vertical direction.
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: August 8, 2006
    Assignee: Sony Corporation
    Inventors: Takeshi Igarashi, Yutaka Fukuyama, Takashi Suezaki