Patents by Inventor Keiji Okada
Keiji Okada 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).
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Publication number: 20150364299Abstract: Provided is an ion implantation apparatus including: a vacuum processing chamber in which an ion implantation process for a wafer is performed; one or more load lock chambers that are used for bringing the wafer into the vacuum processing chamber and taking out the wafer from the vacuum processing chamber; an intermediate conveyance chamber that is disposed to be adjacent to both the vacuum processing chamber and the load lock chamber; a load lock chamber-intermediate conveyance chamber communication mechanism including a gate valve capable of sealing a load lock chamber-intermediate conveyance chamber communication port; and an intermediate conveyance chamber-vacuum processing chamber communication mechanism including a movable shielding plate capable of shielding a part or the whole of the intermediate conveyance chamber-vacuum processing chamber communication port.Type: ApplicationFiled: June 16, 2015Publication date: December 17, 2015Inventors: Yoshito Fujii, Tetsuya Kudo, Shinji Ebisu, Suguru Hirokawa, Keiji Okada
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Patent number: 9118835Abstract: An imaging device of the present invention comprises a display section that is capable of displaying a circular map display, having a cursor capable of movement in a circumferential direction and in a radial direction, an operation section that respectively causes movement of the cursor in the circumferential direction and the radial direction in accordance with operation of an operating section, and a control section that carries out control to make respective first and second shooting parameters correspond to a position of the cursor, that has been moved by the operation section, in a radial direction and a circumferential direction, wherein the first parameter is dependent on the position in the circumferential direction, and the display section is provided with a neutral zone on the circular map display, for neutralizing the first shooting parameter.Type: GrantFiled: December 24, 2013Date of Patent: August 25, 2015Assignee: Olympus CorporationInventors: Izumi Sakuma, Maki Kawakami, Keiji Okada, Kensei Ito, Shinya Takasumi, Hirozumi Arai
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Publication number: 20150228382Abstract: A method for forming a conductor in a minute space of an object includes the steps of filling a first metallic material into the minute space, the first metallic material being composed of particles and dispersed in a liquid dispersion medium; evaporating the liquid dispersion medium inside the minute space; and feeding a second metallic material into the minute space, wherein the first and second metallic materials, in combination, include a combination of a high-melting metallic material and a low-melting metallic material.Type: ApplicationFiled: November 25, 2014Publication date: August 13, 2015Applicant: NAPRA CO., LTD.Inventors: Shigenobu Sekine, Keiji Okada
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Patent number: 8974983Abstract: An electrical conductive member includes: an electrical conductive structure including: a substrate; an electrical conductive carbon layer provided on at least one surface of the substrate and containing electrical conductive carbon; and a middle layer interposed between the substrate and the electrical conductive carbon layer. An intensity ratio R (ID/IG) of a D-band peak intensity (ID) to a G-band peak intensity (IG) measured by a Raman scattering spectroscopic analysis in the electrical conductive carbon layer is between 1.4 and 1.9.Type: GrantFiled: October 20, 2009Date of Patent: March 10, 2015Assignee: Nissan Motor Co., Ltd.Inventors: Tomokatsu Himeno, Atsushi Miyazawa, Motoki Yaginuma, Keisuke Yamamoto, Keiji Okada, Tsutomu Yamazaki, Yasuhiro Numao, Toshihiko Tsuda
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Publication number: 20150009360Abstract: An image processing device of the present invention comprises a designation section for designating an adjustment amount using a first adjustment axis for carrying out first adjustment to adjust so as to displace white balance of image data in a hue direction that has been designated by the user, and a second adjustment axis for carrying out second adjustment to adjust saturation of the image data that has had white balance adjusted by the first adjustment axis, an image processing section for applying first image processing corresponding to the first adjustment to the image data, and applying second image processing corresponding to the second adjustment to the image data that has been subjected to the first image processing, wherein the image processing section changes the second image processing depending on the first image processing.Type: ApplicationFiled: July 3, 2014Publication date: January 8, 2015Inventors: Shinya TAKASUMI, Hirozumi ARAI, Izumi SAKUMA, Maki KAWAKAMI, Keiji OKADA, Kensei ITO
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Publication number: 20140249571Abstract: A filter device for capturing embolic material capable of retrogradely installing a filter is provided. A filter device for capturing embolic material has a core wire moving a filter member to a target position in a blood vessel, a guide portion formed on the distal front end side of the core wire and guiding the core wire in the blood vessel, the filter member provided on the core wire and capturing a blood clot and debris, and a sheath capable of extending the core wire therethrough.Type: ApplicationFiled: October 17, 2012Publication date: September 4, 2014Applicant: TOKAI MEDICAL PRODUCTS, INC.Inventors: Nobumasa Tsutsui, Yasuhiro Tsutsui, Kazunori Dan, Keiji Okada
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Publication number: 20140225684Abstract: In a surface acoustic wave device, a plurality of surface acoustic wave elements include piezoelectric bodies having the same cut-angle. A propagation azimuth of a surface acoustic wave in at least one of surface acoustic wave elements is different from a propagation azimuth of a surface acoustic wave in at least another one of the surface acoustic wave elements. In each of the surface acoustic wave elements, a confinement layer configured to confine the surface acoustic wave inside the piezoelectric body is disposed on the piezoelectric body at the side opposite to the side where an electrode is located.Type: ApplicationFiled: April 17, 2014Publication date: August 14, 2014Applicant: Murata Manufacturing Co., Ltd.Inventors: Hajime KANDO, Keiji OKADA
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Publication number: 20140176773Abstract: An imaging device of the present invention comprises a display section that is capable of displaying a circular map display, having a cursor capable of movement in a circumferential direction and in a radial direction, an operation section that respectively causes movement of the cursor in the circumferential direction and the radial direction in accordance with operation of an operating section, and a control section that carries out control to make respective first and second shooting parameters correspond to a position of the cursor, that has been moved by the operation section, in a radial direction and a circumferential direction, wherein the first parameter is dependent on the position in the circumferential direction, and the display section is provided with a neutral zone on the circular map display, for neutralizing the first shooting parameter.Type: ApplicationFiled: December 24, 2013Publication date: June 26, 2014Applicant: Olympus Imaging Corp.Inventors: Izumi SAKUMA, Maki KAWAKAMI, Keiji OKADA, Kensei ITO, Shinya TAKASUMI, Hirozumi ARAI
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Publication number: 20140152145Abstract: An elastic wave device includes a support layer with a through-hole or a recess opened at an upper surface thereof, a piezoelectric thin film arranged on the support layer to extend above the recess or the through-hole of the support layer, and an IDT electrode defined on at least one of upper and lower surfaces of the piezoelectric thin film in a region of the piezoelectric thin film, the region extending above the recess, or the through-hole. A secondary mode of a plate wave, which contains a U1 component as a main component, is utilized. The piezoelectric thin film is made of LiTaO3, and Euler angles (?, ?, ?) of the LiTaO3 fall within specific ranges.Type: ApplicationFiled: May 23, 2013Publication date: June 5, 2014Applicant: Murata Manufacturing Co., Ltd.Inventors: Hajime KANDO, Syunsuke KIDO, Keiji OKADA, Munehisa WATANABE
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Patent number: 8410035Abstract: A lubricating oil composition for a power transmission system, which is excellent in both of low-temperature viscosity property and shear stability, is provided. The viscosity modifier of a lubricating oil for a power transmission system according to the present invention comprises an ethylene/?-olefin copolymer (B) having the properties: (B1) an ethylene content in the range of 70 to 85% by mol, (B2) an intrinsic viscosity [?] in the range of 0.2 to 1.0 dl/g, (B3) Mw/Mn not more than 2.4, and (B4) a melting point, as measured by DSC, not higher than 60° C., or no melting point observed.Type: GrantFiled: March 24, 2006Date of Patent: April 2, 2013Assignees: Mitsui Chemicals, Inc., The Lubrizol CorporationInventors: Ryousuke Kaneshige, Akihiro Matsuda, Satoshi Ikeda, Keiji Okada, Masaaki Kawasaki
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Patent number: 8188191Abstract: The present invention is a polyolefin polymer containing vinyl groups at both ends thereof, and a composition and a molded product containing the polymer, wherein the polymer contains a constitutional unit derived from at least one selected from the group consisting of ethylene (a), an ?-olefin (b) having 3 to 20 carbon atoms, and a cyclic olefin (c), and (1) a ratio of terminal vinylation is 70% or more relative to all of both ends of molecular chains, and (2) an intrinsic viscosity [?] is in the range of 0.01 to 10 dl/g as measured in a decalin solution at 135° C. The polymer of the present invention may be molded by a LIM molding, an injection molding, a transfer molding, a compression molding, and the like, and is excellent in acid resistance, gas permeation resistance, hydrolysis resistance, and dynamic fatigue resistance. From the polymer, a thermoplastic resin composition and a crosslinkable resin composition, and a crosslinked composition having excellent mechanical characteristics are obtained.Type: GrantFiled: August 29, 2007Date of Patent: May 29, 2012Assignee: Mitsui Chemicals, Inc.Inventors: Shigenobu Ikenaga, Keiji Okada, Yoshiki Shimokawatoko, Akihiro Matsuda, Shigekazu Matsui, Masahiro Enna
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Patent number: 8096744Abstract: Two load lock chambers having a load lock pedestal are provided adjacent to a vacuum process chamber through a vacuum intermediate chamber. A passage opening is provided between the vacuum process chamber and the vacuum intermediate chamber. Two wafer retaining arms are installed between a platen device in the vacuum process chamber and the vacuum intermediate chamber. The two wafer retaining arms are reciprocatingly movable between the corresponding load lock pedestals and the platen device while passing through the passage opening and crossing with an overpass each other at different levels. By retaining an unprocessed wafer by one of the wafer retaining arms and retaining a processed wafer by the other wafer retaining arm, transfer of the unprocessed wafer from one of the load lock pedestals to the platen device and transfer of the processed wafer from the platen device to the other load lock pedestal are performed simultaneously.Type: GrantFiled: October 21, 2005Date of Patent: January 17, 2012Assignee: Sen Corporation, An Shi and Axcelis CompanyInventors: Keiji Okada, Fumiaki Sato, Hiroaki Nakaoka
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Patent number: 8063146Abstract: Disclosed is a thermoplastic elastomer composition containing 10-60 parts by weight of a non-crosslinkable crystalline polyolefin resin (A), 1-30 parts by weight of a specific propylene 1-butene random copolymer (B) and 89-10 parts by weight of an ethylene ?-olefin non-conjugated polyene copolymer rubber (C) which is composed of ethylene, an ?-olefin having 3-20 carbon atoms and a non-conjugated polyene, in such amounts that the total of the components (A), (B) and (C) is 100 parts by weight. The thermoplastic elastomer composition is dynamically crosslinked by an extruder. This thermoplastic elastomer is excellent in moldability and economic efficiency, and enables to obtain a molded body exhibiting sufficient adhesion strength to a vulcanized rubber or thermoplastic elastomer without the intermediation of an adhesive layer, as well as a lightweight molded body having sufficient hardness and rubber elasticity.Type: GrantFiled: June 2, 2008Date of Patent: November 22, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Tadashi Imai, Takuo Asami, Masakazu Jitsukata, Keiji Okada
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Patent number: 8033993Abstract: An endoscope device of the invention includes: an insertion portion disposed with an observation optical system; an operation portion continuously provided to a proximal end side of the insertion portion; a display device main body provided to a proximal end side of the operation portion and disposed with a monitor portion for displaying a subject image; a rotational movement shaft for rotationally movably journaling the display device main body with respect to the operation portion; and a finger-hooking portion provided to the display device main body and for operation of rotationally moving the display device main body about a rotational movement shaft, and thus it is possible for an operator to easily orient the monitor of the display device in an easily viewable direction when operatably grasping the operation portion.Type: GrantFiled: March 8, 2007Date of Patent: October 11, 2011Assignees: Olympus Medical Systems Corp., Olympus Imaging Corp.Inventors: Hirotoshi Amano, Keiji Okada, Katsushi Watanabe
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Patent number: 7820607Abstract: A viscosity modifier for lubricating oils or an additive composition for lubricating oils, which is excellent in oil-thickening properties and can provide lubricating oil compositions excellent in low-temperature characteristics and handleability at low temperatures; and lubricating oil compositions excellent in low-temperature characteristics and handleability at low temperatures.Type: GrantFiled: September 8, 2005Date of Patent: October 26, 2010Assignees: Mitsui Chemicals, Inc., The Lubrizol CorporationInventors: Akihiro Matsuda, Ryousuke Kaneshige, Satoshi Ikeda, Keiji Okada
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Patent number: 7803888Abstract: A novel olefin-based polymer has excellent thermal resistance, as well as excellent balance among various properties. The olefin-based polymer is an olefin-based polymer comprising 50 to 100% by weight of a constituent unit derived from 4-methyl-1-pentene, and 0 to 50% by weight of a constituent unit derived from at least one olefin selected from olefins having 2 to 20 carbon atoms except 4-methyl-1-pentene, and having the following properties: i) the diad isotacticity is 70% or greater, ii) the ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) as measured by gel permeation chromatography (GPC) is in the range of 1.0 to 3.5, and iii) the intrinsic viscosity [?] is 0.5 (dl/g) or greater.Type: GrantFiled: June 9, 2005Date of Patent: September 28, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Nobuo Kawahara, Shinichi Kojoh, Shingo Matsuo, Hideyuki Kaneko, Tomoaki Matsugi, Norio Kashiwa, Munehito Funaya, Naritoshi Hirota, Tooru Tanaka, Toshiyuki Hirose, Nobuhisa Mikawa, Kouichi Kizu, Keiji Okada
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Publication number: 20100206163Abstract: A wear resistance reinforcing method for a sliding structure formed from at least a pair of components in a sliding relation and provided with a seal member on a sliding face of a first component. A wear-resistant metal-plated film formed from a metal having a predetermined reactivity with the material of the seal member is provided on a sliding surface of a second component. The present invention enables provision of a wear resistance reinforcing method and a sliding structure which improves workability of a film to impart wear resistance properties in addition to low unevenness in wear resistance properties.Type: ApplicationFiled: October 22, 2008Publication date: August 19, 2010Inventors: Tomofumi Mizutani, Keiji Okada
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Patent number: 7767313Abstract: A polypropylene composite film having a propylene/1-butene random copolymer which has 60 to 90 mol % of propylene units and 10 to 40 mol % of 1-butene units and has a triad isotacticity of not less than 85% and not more than 97.5%, a molecular weight distribution of from 1 to 3, an intrinsic viscosity of from 0.1 to 12 dl/g, a melting point of from 40 to 75° C. and a crystallization rate at 45° C. of 10 minutes or less, and satisfying the following relation, 146 exp (?0.022M)?Tm?125 exp (?0.032M), and an olefin catalyst for preparation thereof.Type: GrantFiled: August 4, 2008Date of Patent: August 3, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Shigenobu Ikenaga, Keiji Okada, Hiroshi Hoya, Norihide Inoue, Nobuo Kawahara
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Patent number: 7728078Abstract: A polypropylene composition containing a propylene/1-butene random copolymer which contains 60 to 90 mol % of propylene units and 10 to 40 mol % of 1-butene units and has a triad isotacticity of not less than 85% and not more than 97.5%, a molecular weight distribution of from 1 to 3, an intrinsic viscosity of from 0.1 to 12 dl/g, a melting point of from 40 to 75° C. and a crystallization rate at 45° C. of 10 minutes or less, and satisfying the following relation, 146 exp (?0.022M)?Tm?125 exp (?0.032M), and an olefin catalyst for preparation thereof.Type: GrantFiled: August 4, 2008Date of Patent: June 1, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Shigenobu Ikenaga, Keiji Okada, Hiroshi Hoya, Norihide Inoue
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Publication number: 20100120933Abstract: Disclosed is a thermoplastic elastomer composition containing 10-60 parts by weight of a non-crosslinkable crystalline polyolefin resin (A), 1-30 parts by weight of a specific propylene 1-butene random copolymer (B) and 89-10 parts by weight of an ethylene ?-olefin non-conjugated polyene copolymer rubber (C) which is composed of ethylene, an ?-olefin having 3-20 carbon atoms and a non-conjugated polyene, in such amounts that the total of the components (A), (B) and (C) is 100 parts by weight. The thermoplastic elastomer composition is dynamically crosslinked by an extruder. This thermoplastic elastomer is excellent in moldability and economic efficiency, and enables to obtain a molded body exhibiting sufficient adhesion strength to a vulcanized rubber or thermoplastic elastomer without the intermediation of an adhesive layer, as well as a lightweight molded body having sufficient hardness and rubber elasticity.Type: ApplicationFiled: June 2, 2008Publication date: May 13, 2010Applicant: Mitsui Chemicals, Inc.Inventors: Tadashi Imai, Takuo Asami, Masakazu Jitsukata, Keiji Okada