Patents by Inventor Seiji Yamada

Seiji Yamada 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).

  • Patent number: 10651944
    Abstract: An optical transmitter of an optical data transmission system transmitting data through an optical fiber transmission path includes a main signal generator that converts first transmission data into a predetermined signal format to generate a first signal, a DCSK modulator that DCSK-modulates second transmission data to generate a second signal, a signal-multiplexer that performs time-division multiplexing of the first signal and the second signal, and an electro-optical converter that converts a multiplexed signal obtained by the time-division multiplexing of the signal-multiplexer from an electric signal into an optical signal, and outputs the optical signal to the optical fiber transmission path.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: May 12, 2020
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kengo Horikoshi, Seiji Okamoto, Asuka Matsushita, Mitsuteru Yoshida, Fukutaro Hamaoka, Yoshiaki Yamada, Yoshiaki Kisaka
  • Publication number: 20200120809
    Abstract: A method for manufacturing an aluminum circuit board including a step of spraying a heated metal powder containing aluminum particles and/or aluminum alloy particles to a ceramic base material, and of forming a metal layer on a surface of the ceramic base material. A temperature of at least a part of the metal powder is higher than or equal to a softening temperature of the metal powder and lower than or equal to a melting point of the metal powder at a time point of reaching the surface of the ceramic base material. A velocity of at least a part of the metal powder is greater than or equal to 450 m/s and less than or equal to 1000 m/s at the time point of reaching the surface of the ceramic base material.
    Type: Application
    Filed: February 22, 2018
    Publication date: April 16, 2020
    Applicants: NATIONAL INSTITUTE FOR MATERIALS SCIENCE, DENKA COMPANY LIMITED
    Inventors: Seiji KURODA, Hiroshi ARAKI, Akira HASEGAWA, Makoto WATANABE, Atsushi SAKAI, Yoshitaka TANIGUCHI, Suzuya YAMADA
  • Patent number: 10617471
    Abstract: A laser therapeutic device for a laser endoscope capable of relatively reducing the diameter of the endoscope while being capable of emitting a laser beam of a uniform intensity over a wide area is provided. An optical guide element (a square-shaped rod lens 15, a guide tube 2b) having a quadrangular cross section and guiding a therapeutic laser beam emitted from the tip of an optical fiber toward the tip side of a probe is used. On the tip side of a probe tube 2 being a barrel, using clearances C1 to C4 formed between the optical guide element and the inner circumferential surface of the probe tube, a camera unit 11 as imaging means and white-color LED units 12 and an ultraviolet LED unit 13 as illumination means are arranged.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: April 14, 2020
    Assignees: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, ASUKA MEDICAL INC.
    Inventors: Yoshiyuki Itoh, Seiji Nakamura, Keiichiro Yamada
  • Patent number: 10587137
    Abstract: In accordance with an embodiment, a method for discharging a power source such as, for example, a battery, includes determining a capacity of the battery and discharging the battery in response to the capacity of the battery being greater than a reference level. In accordance with another embodiment, a circuit suitable for use with a battery includes a power measurement circuit coupled to a discharge indicator circuit, a control circuit, and a load. The discharge indicator circuit is coupled to the control circuit, which is coupled to a switch configured for activating a discharge operation through the load.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: March 10, 2020
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Susumu Yamada, Seiji Takai
  • Publication number: 20200068134
    Abstract: An electronic device according to a first aspect comprises an imaging device and a processor. The imaging device has a predetermined imaging region, and is configured to capture images having different focal distances. The processor is configured to execute a first process of identifying two or more focus identification regions included in a first imaging region included in the predetermined imaging region by comparing the captured images in the first imaging region, and a second process of interpolating a focal distance of a middle region not belonging to the two or more focus identification regions in the first imaging region. The second process includes a process of interpolating the focal distance of the middle region based on a focal distance of an interpolation focus region that is located inside or outside the middle region and that is one of the two or more focus identification regions.
    Type: Application
    Filed: August 26, 2019
    Publication date: February 27, 2020
    Applicant: KYOCERA Corporation
    Inventors: Masaki TANO, Masayoshi KONDO, Yusuke SUZUKI, Masaya KAWAKITA, Seiji YAMADA, Tomohiro HAMAGUCHI, Koji SAIJO
  • Publication number: 20200059631
    Abstract: The present technology relates to a control apparatus, a control method, a program, and a projection system capable of conveying information in space more intuitively. The control apparatus according to one aspect of the present technology is an apparatus that acquires space sensing data regarding an object in a space obtained by sensing the space, acquires external environment data obtained by sensing an external environment, determines an image corresponding to the object on the basis of the space sensing data, and controls to project the image to which an effect corresponding to the external environment data has been added, onto the space. The present technology can be applied to a system that controls to project an image from a projector and presents information.
    Type: Application
    Filed: February 9, 2018
    Publication date: February 20, 2020
    Inventors: MASAO KONDO, SEIJI SUZUKI, YUSUKE TSUJITA, HIROTAKA TAKO, YOSHIHITO OHKI, YOHEI NAKAJIMA, HIROSHI NAKAYAMA, YOSHIYASU KUBOTA, TAICHI NOKUO, DAISUKE SHIONO, MIHO YAMADA, MASANORI MATSUSHIMA, KENICHI YAMAURA
  • Publication number: 20200050355
    Abstract: The present technology relates to a control device, a method for control, a program, and a projection system that enable to, in a case where input information is to be presented by projecting an image, naturally attract the attention of a person around a projection surface. A control device of an aspect of the present technology projects an image representing input information onto a projection surface so as to follow an input of the input information, with an effect in accordance with the type of the projection surface. As the projection surface, a thin sheet material attached on a wall surface is prepared, for example. The color of the thin sheet material is a dark color, for example, and in time with projection of the image representing a handwritten character or picture, a sound, which will come out when the character or the picture is drawn with a chalk on a chalkboard, is output from a speaker installed on the back side of the projection surface.
    Type: Application
    Filed: February 9, 2018
    Publication date: February 13, 2020
    Inventors: YOHEI NAKAJIMA, MASAO KONDO, HIROTAKA TAKO, DAISUKE SHIONO, YOSHIYASU KUBOTA, YOSHIHITO OHKI, YUSUKE TSUJITA, MIHO YAMADA, KENICHI YAMAURA, HIROSHI NAKAYAMA, SEIJI SUZUKI, MASANORI MATSUSHIMA, TAICHI NOKUO
  • Patent number: 10549684
    Abstract: A skin material for vehicle interior includes a woven fabric woven by using a side emission type optical fiber and a multifilament as warp or weft, and is joined to a substrate for vehicle interior to constitute a vehicle interior material. In a surface of the woven fabric which constitutes the inside of a vehicle compartment, a virtual surface constituted by connecting side surfaces, on the inside of the vehicle compartment, of the side emission type optical fibers is in close vicinity to the substrate for vehicle interior, as compared with a virtual surface constituted by connecting side surfaces, on the inside of the vehicle compartment, of the multifilaments. Examples of the vehicle interior material in which the skin material for vehicle interior is used include door trims and roof trims.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: February 4, 2020
    Assignees: TOYOTA BOSHOKU KABUSHIKI KAISHA, DAIKI CO., LTD.
    Inventors: Takamasa Yamada, Seiji Chaza, Shingo Okahara, Mitsutaka Sakoh, Hideo Kanamori, Atsuhiko Ito, Takayoshi Yamamoto
  • Patent number: 10523138
    Abstract: A motor control device includes: a state monitoring unit that detects a power supply abnormality in which a power is not normally supplied to at least one of a rotation sensor and a motor; an abnormality determination unit that detects an abnormality of the rotation sensor based on an output signal of the rotation sensor; and a decision unit that decides whether to confirm the abnormality of the rotation sensor based on a detection result of the state monitoring unit and a detection result of the abnormality determination unit. When the state monitoring unit detects the power supply abnormality, the decision unit does not decide the abnormality of the rotation sensor even when the abnormality determination unit detects the abnormality of the rotation sensor.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: December 31, 2019
    Assignee: DENSO CORPORATION
    Inventors: Hiromitsu Nagata, Seiji Nakayama, Jun Yamada
  • Publication number: 20190369534
    Abstract: At least an electrode of a first electrode group and at least an electrode of a second electrode group are formed in a region nearer to one edge portion of a substrate than to a center of the substrate in a longer-side direction of the substrate, and the electrode that is nearest to the second electrode group in the longer-side direction among the first electrode group formed in the region nearer to the one edge portion and the second electrode group are provided with a space between the electrode and the second electrode group.
    Type: Application
    Filed: May 16, 2019
    Publication date: December 5, 2019
    Inventors: Kazushi Nishikata, Ryota Ogura, Takafumi Suzuki, Seiji Obata, Koichi Yamada
  • Publication number: 20190324520
    Abstract: A wakeup process of a living body tactile sensor and a wearing determination unit is performed when an accelerometer detects an acceleration. Accordingly, the living body tactile sensor and the wearing determination unit are in a sleep mode while the accelerometer detects no acceleration. When the wearing determination unit determines a non-wearing state, the wearing determination unit performs a sleep process to switch itself from a wakeup mode to the sleep mode.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Inventors: Toshiki NAKAMURA, Yukimitsu YAMADA, Daisuke TAKAI, Seiji TOKITA, Takashi SASAKI
  • Publication number: 20190313045
    Abstract: The present disclosure relates to a comparator, an AD converter, a solid-state imaging device, an electronic apparatus, and a comparator control method that can reduce power consumption while increasing the determination speed of the comparator. The comparator includes a comparison unit, a positive feedback circuit, and a current limiting unit. The comparison unit compares the voltage of an input signal and the voltage of a reference signal, and outputs a comparison result signal. The positive feedback circuit increases the transition speed at the time when the comparison result signal is inverted. The current limiting unit limits the current flowing in the comparison unit after the inversion of the comparison result signal. The present disclosure can be applied to comparators, for example.
    Type: Application
    Filed: June 11, 2019
    Publication date: October 10, 2019
    Applicant: SONY CORPORATION
    Inventors: Masaki SAKAKIBARA, Kenichi AOYAGI, Seiji YAMADA
  • Publication number: 20190301434
    Abstract: A reinforcement object is reinforced without being carried out from a wind turbine power generation facility. A method of remodeling a wind turbine power generation facility includes: a carry-in step of carrying a reinforcement member into a hub through an opening portion which has a smaller dimension than a reinforcement object inside the wind turbine power generation facility and which brings into communication inside of the hub and outside of a front side of the wind turbine power generation facility, the reinforcement member having a smaller dimension than the opening portion; and a reinforcement step of processing the reinforcement object inside the hub, and reinforcing the reinforcement object by using the reinforcement member carried into the hub.
    Type: Application
    Filed: December 21, 2018
    Publication date: October 3, 2019
    Inventors: Tomokazu YAMADA, Hideya EGOSHI, Yasunori KAWAGUCHI, Tatsuya SAKAUE, Seiji OKUMURA, Jun KANNO, Keiichiro KAWANO, Kazufumi TAKAYANAGI
  • Patent number: 10414537
    Abstract: An aspect of the invention is directed to a packing box in which at least part of an opening through which to insert and take out an object to be packed is closed by inside lids that are opposed to each other in a plane, wherein: the inside lids have a cut portion including a cut that is shaped so as to be suitable for the external shape of a portion of the object and folded portions formed by folding the respective inside lids, and, when the inside lids are closed, the cut is fitted with the portion of the object housed in the packing box to fix the object in a state that walls, opposed to each other, of the respective folded portions are in contact with each other.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: September 17, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Seiya Imai, Seiji Ogawa, Keigo Yamada, Yohei Suzuki, Kenji Matsuura, Shingo Aso
  • Publication number: 20190273560
    Abstract: An optical transmitter of an optical data transmission system transmitting data through an optical fiber transmission path includes a main signal generator that converts first transmission data into a predetermined signal format to generate a first signal, a DCSK modulator that DCSK-modulates second transmission data to generate a second signal, a signal-multiplexer that performs time-division multiplexing of the first signal and the second signal, and an electro-optical converter that converts a multiplexed signal obtained by the time-division multiplexing of the signal-multiplexer from an electric signal into an optical signal, and outputs the optical signal to the optical fiber transmission path.
    Type: Application
    Filed: July 26, 2017
    Publication date: September 5, 2019
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kengo HORIKOSHI, Seiji OKAMOTO, Asuka MATSUSHITA, Mitsuteru YOSHIDA, Fukutaro HAMAOKA, Yoshiaki YAMADA, Yoshiaki KISAKA
  • Patent number: 10348992
    Abstract: The present disclosure relates to a comparator, an AD converter, a solid-state imaging device, an electronic apparatus, and a comparator control method that can reduce power consumption while increasing the determination speed of the comparator. The comparator includes a comparison unit, a positive feedback circuit, and a current limiting unit. The comparison unit compares the voltage of an input signal and the voltage of a reference signal, and outputs a comparison result signal. The positive feedback circuit increases the transition speed at the time when the comparison result signal is inverted. The current limiting unit limits the current flowing in the comparison unit after the inversion of the comparison result signal. The present disclosure can be applied to comparators, for example.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: July 9, 2019
    Assignee: Sony Corporation
    Inventors: Masaki Sakakibara, Kenichi Aoyagi, Seiji Yamada
  • Patent number: 10328416
    Abstract: A fuel reforming catalyst which contains an inorganic porous support, a catalytically active species, and catalyst particles including CeO2 and ZrO2 and in which the concentration of ZrO2 in the catalyst particles is higher in the vicinity of the particle surface than in the particle interior and the concentration of CeO2 in the catalyst particles is equal in the particle interior and in the vicinity of the particle surface is proposed for the purpose of providing a new fuel reforming catalyst which can effectively lower the concentration of the hydrocarbon of C2 or more in the gas which has passed through a steam reforming reaction.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: June 25, 2019
    Assignees: Mitsui Mining & Smelting Co., Ltd., HONDA MOTOR CO., LTD.
    Inventors: Seiji Moriuchi, Kazuya Kinoshita, Yunosuke Nakahara, Keiji Tsukamoto, Kazuyuki Yamada, Hideo Urata
  • Publication number: 20190141994
    Abstract: A synthetic polymer film (34A), (34B) having a surface which has a plurality of first raised portions (34Ap), (34Bp), wherein a two-dimensional size of the plurality of first raised portions (34Ap), (34Bp) is in a range of more than 20 nm and less than 500 nm when viewed in a normal direction of the synthetic polymer film (34A), (34B); and the surface has a microbicidal effect.
    Type: Application
    Filed: November 27, 2018
    Publication date: May 16, 2019
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Miho YAMADA, Kiyoshi MINOURA, Takahiro NAKAHARA, Seiji TAKAMI
  • Patent number: 10281400
    Abstract: A method for enhancing luminescence of a luminous material, a substance detection method, a substance detection apparatus, and a luminescence enhancer are provided. A method for enhancing luminescence of a luminous material, the method including: holding, in a luminescence detection unit, the luminous material and a white colloidal particle both contained in a liquid; and irradiating the luminescence detection unit with light, in which the luminescence detection unit has an inner diameter of 300 ?m or less in an optical axis direction.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: May 7, 2019
    Assignee: SONY CORPORATION
    Inventors: Shuji Fujita, Kyohei Yoshimitsu, Seiji Yamada, Daisuke Yamaguchi, Yoshio Goto
  • Publication number: 20180241960
    Abstract: The present disclosure relates to a comparator, an AD converter, a solid-state imaging device, an electronic apparatus, and a comparator control method that can reduce power consumption while increasing the determination speed of the comparator. The comparator includes a comparison unit, a positive feedback circuit, and a current limiting unit. The comparison unit compares the voltage of an input signal and the voltage of a reference signal, and outputs a comparison result signal. The positive feedback circuit increases the transition speed at the time when the comparison result signal is inverted. The current limiting unit limits the current flowing in the comparison unit after the inversion of the comparison result signal. The present disclosure can be applied to comparators, for example.
    Type: Application
    Filed: April 24, 2018
    Publication date: August 23, 2018
    Applicant: SONY CORPORATION
    Inventors: Masaki SAKAKIBARA, Kenichi AOYAGI, Seiji YAMADA