Patents by Inventor Naoki Nishida
Naoki Nishida 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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Patent number: 11978605Abstract: An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a movable contact piece, a case, a magnet, and a gas flow path. The first fixed terminal includes a first fixed contact. The second fixed terminal includes a second fixed contact. The movable contact piece includes a first movable contact and a second movable contact. The case includes an accommodation space where the first fixed contact, the second fixed contact, and the movable contact piece are accommodated, a gas inflow space separate from the accommodation space, and a side wall covering the accommodation space and the gas inflow space in a first direction. The magnet is disposed between the accommodation space and the gas inflow space. The gas flow path is disposed between the side wall of the case and the magnet and is configured to communicate the accommodation space with the gas inflow space.Type: GrantFiled: June 8, 2022Date of Patent: May 7, 2024Assignee: OMRON CORPORATIONInventors: Naoki Kawaguchi, Takeshi Nishida, Kazuki Furukawa, Takashi Tsukada
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Publication number: 20240128034Abstract: An electromagnetic relay includes a first fixed terminal, a first fixed contact, a second fixed terminal, a second fixed contact, a first movable contact, a second movable contact, a movable contact piece, a drive device, an outer magnet, and an inner magnet. The second fixed terminal is disposed apart from the first fixed terminal in a first direction. The first movable contact and the second movable contact are disposed to face the first fixed contact and the second fixed contact, respectively, in a second direction. The outer magnet generates a magnetic field to elongate an arc generated between the first fixed contact and the first movable contact and between the second fixed contact and the second movable contact. The inner magnet generates a magnetic field to elongate the arc in a third direction.Type: ApplicationFiled: January 18, 2022Publication date: April 18, 2024Inventors: Naoki KAWAGUCHI, Takeshi NISHIDA, Ryota MINOWA
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Publication number: 20240096580Abstract: An electromagnetic relay includes a first fixed terminal, a first fixed contact, a first movable contact, a case, a first inner wall, a first gas passage, and a first magnet. The case includes a first longitudinal inner side surface and a first lateral inner surface. The first lateral inner side surface includes a first central surface and a first arc contact surface. The first arc contact surface is located between the first central surface and the first longitudinal inner side surface in the lateral direction. The first gas passage includes a first inlet facing the first arc contact surface in the longitudinal direction. The first gas passage is disposed between the first inner wall and the first longitudinal inner side surface. The first magnet elongates an arc generated between the first fixed contact and the first movable contact toward the first arc contact surface.Type: ApplicationFiled: January 18, 2022Publication date: March 21, 2024Inventors: Naoki KAWAGUCHI, Takeshi NISHIDA
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Publication number: 20240083024Abstract: A spring constant correction device and method measure a position and attitude of a distal end of an articulated robot when the articulated robot is operated in a state where elastic deformation is compensated, compare measurement values of the position and attitude of the distal end and target values of the position and attitude, and correct a spring constant based on a result of the comparison. In case of the correction, the spring constant is corrected at a predetermined position based on at least three of: an angle of an end point attitude based on the measured attitude; a torque of the distal end in the end point attitude; an angle of the distal end in a target attitude; and a torque of the distal end in the target attitude. A program of such a method is recorded in a recording medium.Type: ApplicationFiled: January 13, 2022Publication date: March 14, 2024Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Takashi YAMADA, Yoshiharu NISHIDA, Yoshihisa TAMASE, Naoki KIDA, Kenichiro KANAO
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Patent number: 8609304Abstract: An internal defect or the like of a transfer mask is detected using transmitted light quantity distribution data of an inspection apparatus. Using a die-to-die comparison inspection method, inspection light is irradiated to a first region of a thin film to obtain a first transmitted light quantity distribution, the inspection light is also irradiated to a second region of the thin film to obtain a second transmitted light quantity distribution, a predetermined-range difference distribution is produced by plotting coordinates at which difference light quantity values calculated from a comparison between the first transmitted light quantity distribution and the second transmitted light quantity distribution are each not less than a first threshold value and less than a second threshold value, and a selection is made of a transfer mask in which a region with high density of plotting is not detected in the predetermined-range difference distribution.Type: GrantFiled: March 30, 2012Date of Patent: December 17, 2013Assignee: Hoya CorporationInventors: Masaru Tanabe, Hideaki Mitsui, Naoki Nishida, Satoshi Iwashita
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Patent number: 8298903Abstract: A plurality of diffused resistors and a plurality of wirings (resistive elements) are alternately disposed along a virtual line, and those diffused resistors and wirings are connected in series by contact vias. In the same wiring layer as that of the wirings, a dummy pattern is formed so as to surround a formation region of the wirings and the diffused resistors. A space between the dummy pattern and the wirings is set in accordance with, for example, a minimum space between wirings in a chip formation portion.Type: GrantFiled: December 21, 2010Date of Patent: October 30, 2012Assignee: Fujitsu Semiconductor LimitedInventors: Sachie Tone, Hiroyuki Uno, Naoki Takahashi, Naoki Nishida
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Publication number: 20120251928Abstract: An internal defect or the like of a transfer mask is detected using transmitted light quantity distribution data of an inspection apparatus. Using a die-to-die comparison inspection method, inspection light is irradiated to a first region of a thin film to obtain a first transmitted light quantity distribution, the inspection light is also irradiated to a second region of the thin film to obtain a second transmitted light quantity distribution, a predetermined-range difference distribution is produced by plotting coordinates at which difference light quantity values calculated from a comparison between the first transmitted light quantity distribution and the second transmitted light quantity distribution are each not less than a first threshold value and less than a second threshold value, and a selection is made of a transfer mask in which a region with high density of plotting is not detected in the predetermined-range difference distribution.Type: ApplicationFiled: March 30, 2012Publication date: October 4, 2012Applicant: HOYA CORPORATIONInventors: Masaru TANABE, Hideaki MITSUI, Naoki NISHIDA, Satoshi IWASHITA
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Publication number: 20120069721Abstract: A recorder has a recording medium for information recording, a light source, an optical system, a slider, and an optical waveguide. To the optical system, light from the light source enters, and the slider moves relative to the recording medium while not in contact therewith. The optical waveguide is arranged at position facing the recording medium in the slider so that light entering from the optical system is irradiated on the recording medium. Where the mode field diameter of the optical waveguide on the light output side is d and the mode field diameter thereof on the light input side is D, the mode field diameter is converted by smoothly changing the diameter of the optical waveguide to satisfy D>d.Type: ApplicationFiled: November 23, 2011Publication date: March 22, 2012Inventors: Naoki Nishida, Hiroaki Ueda, Manami Kuiseko, Koujirou Sekine, Kenji Konno, Masahiro Okitsu, Hiroshi Hatano
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Patent number: 8134893Abstract: Provided is an optical recording head in which a light beam from a light source is collected by an optical element and reflected on a reflecting surface to be formed into a spot light. Since a support portion for supporting the light source of the optical element at a predetermined position and the reflection surface for reflecting the light beam are formed integrally with each other, it is not required to perform the positioning thereof, and light can be collected to a very small spot with high efficiency, and an optical recording head and an optical recording apparatus having low heights can be provided.Type: GrantFiled: April 2, 2007Date of Patent: March 13, 2012Assignee: Konica Minolta Opto, Inc.Inventors: Kenji Konno, Hiroaki Ueda, Manami Kuiseko, Naoki Nishida, Koujirou Sekine, Masahiro Okitsu, Hiroshi Hatano
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Patent number: 8116174Abstract: Disclosed is a near field light generating device comprising a first medium layer which transmits light from a light source. This near field light generating device generates near field light by using light irradiating a plasmon probe through the first medium. This near field light generating device is characterized in that a second medium layer having a refractive index lower than that of the first medium layer is formed between the first medium layer and the plasmon probe.Type: GrantFiled: January 9, 2008Date of Patent: February 14, 2012Assignee: Konica Minolta Opto, Inc.Inventors: Naoki Nishida, Kenji Konno
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Publication number: 20110230623Abstract: Disclosed is a method for continuously producing an acrylic resin sheet containing 50% by mass or more of methyl methacrylate units, which comprises irradiating an active energy ray-polymerizable viscous liquid 2 which contains a polymer, satisfies the following equations (1) and (2), and has a viscosity of 5,000 Pa·s or more with the active energy ray to cure the liquid while transferring the liquid in the state of being held between an endless belt 3 and a film 5 transmissive to the active energy ray or between first and second films transmissive to the active energy ray, 30,000?Mw?500,000??(1) 35?(9/200,000)×Mw?P?60??(2) wherein, in these equations, Mw represents a weight average molecular weight [?] of the polymer contained in the liquid, and P represents a content [% by mass] of the polymer contained in the liquid.Type: ApplicationFiled: August 7, 2009Publication date: September 22, 2011Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Takayuki Hirano, Hajime Okutsu, Naoki Nishida, Eita Funami, Hiroshi Okafuji, Hideto Yamazawa, Dalsuke Takayama, Yutaka Ishihara
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Publication number: 20110134740Abstract: Provided is an optical device configured to makes it possible to enhance use efficiency of light. An optical device is provided with an optical element to deflect incident light and a fixation member on which the optical element is fixed. The optical element includes a reflective surface and a diffraction grating surface that deflects the incident light. The optical element is fixed on the fixation member to restrain displacement in accordance with temperature changes at portions thereof other than the reflective surface and the diffracting grating surface in such a condition that displacement is caused without restraint be temperature changes at the reflective surface and the diffraction grating surface. A change of the incident light in the deflection angle due to an inclination change by the reflective surface and the diffracting grating surface is suppressed by a change in a diffraction angle due to a periodical change in the diffraction grating by the displacement of the diffraction grating surface.Type: ApplicationFiled: July 13, 2009Publication date: June 9, 2011Inventors: Koujirou Sekine, Hiroaki Ueda, Manami Kuiseko, Naoki Nishida, Hiroshi Hatano, Kou Osawa
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Publication number: 20110128829Abstract: An optical recording head to record information onto a recording medium utilizing light including; a slider provided to move relatively to the recording medium; a light propagation element provided on a side surface of the slider substantially vertical against a recording surface of the recording medium so as to cause propagation of light incident with a predetermined angle to be irradiated on the recording medium; and, a prism provided on the light propagation element so as to oppose to the side surface of the slider having the light propagation element and to deflect the incident light to be incident into the light propagation element with a predetermined angle.Type: ApplicationFiled: July 6, 2009Publication date: June 2, 2011Inventors: Naoki Nishida, Hiroaki Ueda, Hiroshi Oshitani, Manami Kuiseko, Koujirou Sekine, Hiroshi Hatano, Kou Osawa
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Optical recording head, optical recording head manufacturing method and recording/reproducing device
Patent number: 7944800Abstract: Provided is a highly reliable optical recording head which has a small fluctuation of a quantity of light applied on a recording medium due to temperature. The optical recording head is provided with a light guide section for guiding light applied from a light source, a slider relatively moving to the recording medium, and a light transmitting section, which is arranged on the slider, transmits the light outputted from the light guide section and outputs the light toward the recording medium. The optical recording head is further provided with an adhesive layer, which is sandwiched between the light transmitting section and the light guide section and fixes the positions of the light transmitting section and the light guide section, and an elastic cohesive layer, which is sandwiched between the portions other than the light transmitting section of the slider and the light guide section.Type: GrantFiled: January 10, 2008Date of Patent: May 17, 2011Assignee: Konica Minolta Opto, Inc.Inventor: Naoki Nishida -
Publication number: 20110092042Abstract: A plurality of diffused resistors and a plurality of wirings (resistive elements) are alternately disposed along a virtual line, and those diffused resistors and wirings are connected in series by contact vias. In the same wiring layer as that of the wirings, a dummy pattern is formed so as to surround a formation region of the wirings and the diffused resistors. A space between the dummy pattern and the wirings is set in accordance with, for example, a minimum space between wirings in a chip formation portion.Type: ApplicationFiled: December 21, 2010Publication date: April 21, 2011Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventors: Sachie TONE, Hiroyuki UNO, Naoki TANAHASHI, Naoki NISHIDA
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Publication number: 20110075526Abstract: Proposed is a technique of guiding light to a waveguide, by which the light use efficiency is increased. In order to achieve the above object, adopted is an optical element comprising, at an outer edge portion thereof, an incident surface on which light from a light source is incident, a diffraction grating surface, and an internal reflection surface which guides light incident from the incident surface to the diffraction grating surface.Type: ApplicationFiled: April 15, 2009Publication date: March 31, 2011Inventors: Koujirou Sekine, Naoki Nishida, Manami Kuiseko, Kou Osawa, Hiroaki Ueda, Hiroshi Oshitani, Hiroshi Hatano
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Patent number: 7883982Abstract: A plurality of diffused resistors and a plurality of wirings (resistive elements) are alternately disposed along a virtual line, and those diffused resistors and wirings are connected in series by contact vias. In the same wiring layer as that of the wirings, a dummy pattern is formed so as to surround a formation region of the wirings and the diffused resistors. A space between the dummy pattern and the wirings is set in accordance with, for example, a minimum space between wirings in a chip formation portion.Type: GrantFiled: March 5, 2009Date of Patent: February 8, 2011Assignee: Fujitsu Semiconductor LimitedInventors: Sachie Tone, Hiroyuki Uno, Naoki Tanahashi, Naoki Nishida
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Publication number: 20110019510Abstract: A recorder has a recording medium for information recording, a light source, an optical system, a slider, and an optical waveguide. To the optical system, light from the light source enters, and the slider moves relative to the recording medium while not in contact therewith. The optical waveguide is arranged at position facing the recording medium in the slider so that light entering from the optical system is irradiated on the recording medium. Where the mode field diameter of the optical waveguide on the light output side is d and the mode field diameter thereof on the light input side is D, the mode field diameter is converted by smoothly changing the diameter of the optical waveguide to satisfy D>d.Type: ApplicationFiled: June 2, 2010Publication date: January 27, 2011Inventors: Naoki Nishida, Hiroaki Ueda, Manami Kuiseko, Koujirou Sekine, Kenji Konno, Masahiro Okitsu, Hiroshi Hatano
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Patent number: 7852713Abstract: A thermal-assisted magnetic recording head which heats a magnetic bit of a magnetic disk by light radiation in recording magnetic data into the magnetic disk with a magnetic writing element. The magnetic recording head has a reflecting converging element with a surface emitting laser incorporated therein, and a transparent plate serving as a slider. A laser beam emitted from the surface emitting laser is reflected by a mirror surface of the reflecting converging element and is converged on a plasmon probe formed on a bottom surface of the transparent plate. Thereby, near-field light effuses from the plasmon probe into a very small area and heats the magnetic bit of the magnetic disk.Type: GrantFiled: September 13, 2006Date of Patent: December 14, 2010Assignee: Konica Minolta Holdings, Inc.Inventors: Naoki Nishida, Manami Kuiseko
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Publication number: 20100208557Abstract: An optical head includes: a slider which moves relative to a recording medium while the slider is floating above the recording medium; an optical waveguide which is provided on a side surface of an end portion of the slider and which has the focusing function of forming a light spot on the recording medium; and a light guide optical system that guides a light pencil to the optical waveguide. A light pencil coupling portion which receives the light pencil from the light guide optical system is provided in a surface parallel to a direction in which the light pencil is guided by the optical waveguide; and a reflective surface which deflects the light pencil to the light pencil coupling portion is provided in the light guide optical system. The light pencil coupling portion has the function of correcting aberration resulting from oblique incidence of the light pencil obliquely incident from the light guide optical system.Type: ApplicationFiled: October 9, 2008Publication date: August 19, 2010Inventors: Manami Kuiseko, Naoki Nishida, Kenji Konno, Koujirou Sekine