Patents by Inventor Tatsuya Nakamura

Tatsuya Nakamura 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: 20210063469
    Abstract: A method for measuring current-voltage characteristics representing the relationship between the drain current and the drain-source voltage of a first transistor includes: a first step of setting the drain current and the drain-source voltage using a voltage source and a current source connected in series with the first transistor and a rectifying element connected in parallel with, with the reverse polarity to, an inductive load as the current source; a second step of measuring the gate-source voltage and the gate current in the switching transient state of the first transistor; and a third step of calculating the voltage applied to the gate oxide film of the first transistor using the results of the measurement of the gate-source voltage and the gate current and acquiring the current-voltage characteristics of the first transistor using the result of the calculation.
    Type: Application
    Filed: January 16, 2019
    Publication date: March 4, 2021
    Applicant: Rohm Co., Ltd.
    Inventors: Yohei NAKAMURA, Tatsuya YANAGI
  • Patent number: 10924188
    Abstract: If a configuration is employed in which modulation schemes used for an optical communication system can be switched depending on transmission conditions, the power consumption increases and the control becomes complex; therefore, an optical transmitter according to an exemplary aspect of the present invention includes an encoding means for encoding digital signals to be transmitted under a predetermined transmission condition over an optical carrier wave by using one of a plurality of encoding methods; an encoding control means for selecting a predetermined encoding method corresponding to the predetermined transmission condition from among the plurality of encoding methods and causing the encoding means to operate in accordance with the predetermined encoding method; a mapping means for mapping output bit signals output from the encoding means to modulation symbols; and an optical modulation means for modulating the optical carrier wave based on symbol signals output from the mapping means.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: February 16, 2021
    Assignee: NEC Corporation
    Inventors: Junichi Abe, Tatsuya Nakamura
  • Publication number: 20210040384
    Abstract: A wavelength conversion member which contains a quantum dot phosphor and is capable of converting incident light into green light and red light, and which is configured such that the half-value width of the green light emission spectrum (FWHM-G) and the half-value width of the red light emission spectrum (FWHM-R) satisfy the following condition A. Condition A: (FWHM-G)/(FWHM-R)?0.
    Type: Application
    Filed: March 26, 2019
    Publication date: February 11, 2021
    Applicant: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Kouhei MUKAIGAITO, Shigeaki FUNYU, Hiroaki TAKAHASHI, Tomoyuki NAKAMURA, Tatsuya YAHATA
  • Patent number: 10905961
    Abstract: A user management server, a terminal, an information display system, a user management method, an information display method, a program, and an information storage medium are provided to enable a user to have less trouble than with existing techniques in registering users disclosing their real names. In response to a first operation to designate a user, a friend management data registration part registers the user as a user in a first relation involving disclosure of a nickname. In response to a second operation to designate a user already registered as a user in the first relation, the friend management data registration part registers the user as a user in a second relation involving disclosure of a real name as well. In response to a third operation to designate a user not registered as a user in the first relation, the friend management data registration part registers the user as a user in the first and the second relations.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: February 2, 2021
    Assignees: SONY CORPORATION, SONY INTERACTIVE ENTERTAINMENT INC.
    Inventors: Yuji Nakamura, Fumiaki Hisamatsu, Makoto Saito, Soushi Urakawa, Tatsuya Goto
  • Patent number: 10908713
    Abstract: Provided is a manufacturing method of a touch panel, including: a step of preparing a substrate for a touch panel having a structure in which an electrode and a wiring are disposed on the substrate; a step of providing a photosensitive layer including a specific azole compound on a surface of the substrate for a touch panel where the wiring is disposed; a step of performing pattern-exposing on the photosensitive layer; a step of developing the pattern-exposed photosensitive layer to form a protective layer including an opening for exposing a part of the wiring; a step of providing a colored layer which extends over the protective layer and the wiring exposed to the opening; and a step of performing pattern-exposing and development on the colored layer to form a colored pattern on the protective layer and expose the wiring to the opening.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: February 2, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Shimoyama, Hideyuki Nakamura, Kentaro Toyooka
  • Patent number: 10900092
    Abstract: The invention provides a primer set for detecting Chlamydia trachomatis containing (a) a first primer pair composed of a forward primer consisting of a base sequence represented by SEQ ID NO: 5 and (b) a reverse primer consisting of a base sequence represented by SEQ ID NO: 6, as well as a method for detecting Chlamydia trachomatis using the primer set, and a reagent kit therefor.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: January 26, 2021
    Assignee: FUJIFILM WAKO PURE CHEMICAL CORPORATION
    Inventors: Tatsuya Nakamura, Motoo Watanabe
  • Publication number: 20210018671
    Abstract: A wavelength conversion member which contains a quantum dot phosphor and is capable of converting incident light into green light and red light, and which is configured such that the half-value width of the green light emission spectrum (FWHM-G) is 30 nm or less.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 21, 2021
    Applicant: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Kouhei MUKAIGAITO, Shigeaki FUNYU, Hiroaki TAKAHASHI, Tomoyuki NAKAMURA, Tatsuya YAHATA
  • Publication number: 20210016635
    Abstract: An air discharge device is configured to discharge an air flow. The air discharge device includes a main hole for discharging an air flow as a working air flow, an auxiliary hole provided around the main hole to discharge a support air flow, and a vortex suppression structure configured to suppress development of vortices generated in a velocity boundary layer of the working air flow at a downstream side of an outlet of the main hole. This vortex suppression structure is configured to make a central portion of the thickness of the velocity boundary layer of the working air flow at the downstream side of the outlet of the main hole to be closer to a mainstream of the support air flow, at the downstream side of the outlet of the main hole.
    Type: Application
    Filed: October 7, 2020
    Publication date: January 21, 2021
    Inventors: Jun YAMAOKA, Masaharu SAKAI, Yasuhiko NIIMI, Takahito NAKAMURA, Yusuke KOMATSUBARA, Marie NAGAHAMA, Yasuki OMORI, Shogo HAYAKAWA, Satoshi TAKOTANI, Yuuji OKAMURA, Tatsuya YOSHIDA
  • Publication number: 20210013656
    Abstract: The present invention provides a contact capable of suppressing an increase in a DC resistance value for a long period and a method of manufacturing the same. The contact includes a base portion and an elastic contact portion. The elastic contact portion includes a planar portion configured in a planar shape; and a projection portion that is disposed on one surface of the planar portion and protrudes from the one surface. The elastic contact portion is configured to come into pressed contact with the second surface at the projection portion. The projection portion is configured such that a dimensional ratio H/L of the height H to the length L satisfies 0.25?H/L?0.44, where H is a height in a direction perpendicular to the one surface and L is a length in a direction parallel to the one surface.
    Type: Application
    Filed: March 25, 2019
    Publication date: January 14, 2021
    Inventors: Tatsuya NAKAMURA, Hiroyoshi ISHIGURO
  • Publication number: 20210011679
    Abstract: The present invention provides a display system configured to control a plurality of display devices by combining a plurality of information processing devices and the display devices, even if the display system includes a display device incapable of communicating a switch signal with all of the information processing devices.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 14, 2021
    Applicant: EIZO Corporation
    Inventors: Masahiro SUGUMI, Airi KUROKAWA, Hideaki HASHIMOTO, Tatsuya NAKAMURA, Wei SONG
  • Patent number: 10888594
    Abstract: The present invention provides a genetically recombinant vaccinia virus effective in preventing or treating cancer. Specifically, the present invention provides a vaccinia virus comprising two polynucleotides, a polynucleotide encoding IL-7 and a polynucleotide encoding IL-12; a combination kit of two vaccinia viruses, a vaccinia virus comprising a polynucleotide encoding IL-7 and a vaccinia virus comprising a polynucleotide encoding IL-12; and use of the two vaccinia viruses in combination.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: January 12, 2021
    Assignees: National University Corporation Tottori University, Astellas Pharma Inc.
    Inventors: Shinsuke Nakao, Tatsuya Kawase, Takafumi Nakamura
  • Patent number: 10882268
    Abstract: A box-making apparatus includes an electronic controller assesses abnormalities in the affixing of tape on the basis of a timing at which a cardboard box passes a detection position Pd, and a timing at which a tape roll starts or stops an action of unreeling the tape. The electronic controller assesses abnormalities in the affixing of tape also when there is a discrepancy of at least a predetermined amount between the timing at which the cardboard box passes the detection position and the timing at which the tape roll starts or stops the action of unreeling the tape.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: January 5, 2021
    Assignee: ISHIDA CO., LTD.
    Inventors: Yuichi Nakamura, Atsushi Takahashi, Tatsuya Iwasa
  • Publication number: 20200409646
    Abstract: The present invention provides a display system comprising: first and second information processing devices; first and second display devices configured to switch between a first display mode, in which a first image output from the first information processing device is displayed across the first and second display devices, and a second display mode, in which a second image output from the second information processing device is displayed across the first and second display devices; a detector configured to detect whether a pointing position is positioned on a switch area arranged in at least one of the first and second display devices; and a display switcher configured to, when the detector detects the pointing position on the switch area in the first display mode, switch a display mode from the first display mode to the second display mode.
    Type: Application
    Filed: March 19, 2019
    Publication date: December 31, 2020
    Applicant: EIZO Corporation
    Inventors: Masahiro SUGUMI, Airi KUROKAWA, Hideaki HASHIMOTO, Tatsuya NAKAMURA, Wei SONG
  • Publication number: 20200408955
    Abstract: The antireflection film includes a dielectric multilayer film arranged on the substrate side and a fine uneven layer containing an alumina hydrate as a main component and provided to be laminated on the dielectric multilayer film. The dielectric multilayer film includes alternating layers of layers of high refractive index having a relatively high refractive index and layers of low refractive index having a relatively low refractive index, the dielectric multilayer film includes a barrier layer containing silicon nitride as one of the layer of high refractive index and the layer of low refractive index, and the barrier layer has a density of 2.7 g/cm3 or more and a thickness of 15 nm or more and 150 nm or less.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 31, 2020
    Inventors: Seigo NAKAMURA, Yoshiki MAEHARA, Tatsuya YOSHIHIRO, Kenichi UMEDA, Yuichiro ITAI, Fusao YAMANAKA
  • Patent number: 10870715
    Abstract: An object of the invention is to provide a solid polyaluminoxane composition suitably used as a cocatalyst and a catalyst carrier in combination with an olefin oligomerization or polymerization catalyst, without the use of solid inorganic carriers such as silica. The solid polyaluminoxane composition of the invention includes a polyalkylaluminoxane and a trialkylaluminum, and has a solubility in n-hexane at 25° C. of less than 0.50 mol % as measured by a specific method (i), a solubility in toluene at 25° C. of less than 1.0 mol % as measured by a specific method (ii), and a 13 mol % or more molar fraction of alkyl groups derived from the trialkylaluminum moieties relative to the total number of moles of alkyl groups derived from the polyalkylaluminoxane moieties and the alkyl groups derived from the trialkylaluminum moieties as measured with respect to tetrahydrofuran-d8 soluble components by a specific method (iii).
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: December 22, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kou Tsurugi, Shiori Hanada, Atsushi Shibahara, Kazumori Kawamura, Fumiaki Nishino, Yasuyuki Harada, Wataru Yamada, Akiko Matsumoto, Isao Hara, Tatsuya Nakamura, Toshihiro Muroto
  • Patent number: 10870812
    Abstract: A surface protection composition which is hard to deform or flow even placed under environments of a large temperature change with an external physical load such as pressure, and which stably protects a metal surface. A terminal fitted electric wire coated with the composition. The surface protection composition contains a high-consistency material (A) containing a lubricant base oil and an amide compound, and a phosphorus composition (B). The phosphorus composition (B) contains a composition (b1) containing one or more compounds represented by the general formulae (1) and (2) and one or more metals and/or one or more amines. The phosphorus composition (B) also contains one or more compounds (b2) represented by the general formula (3).
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: December 22, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, ENEOS CORPORATION
    Inventors: Naoyuki Oshiumi, Takehiro Hosokawa, Kohei Kobayashi, Tetsuya Nakamura, Tatsuya Hase, Yutaka Takata, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Yuji Shitara, Kazuhiro Yagishita
  • Patent number: 10871331
    Abstract: A cooling device and a motor are provided. The cooling device that cools a heating element is provided with: a cooling chamber for cooling the heating element with a first cooling medium; a radiator chamber for releasing the heat of the first cooling medium to the outside; and a first connection path and a second connection path for connecting the cooling chamber and the radiator chamber. When part of the first cooling medium in the cooling chamber is gasified, at least part of the gasified first cooling medium moves into the first connection path, thus causing a circulation in which the first cooling medium in the cooling chamber flows into the radiator chamber via the first connection path, and the first cooling medium in the radiator chamber flows into the cooling chamber via the second connection path.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: December 22, 2020
    Assignees: NIDEC CORPORATION, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
    Inventors: Quing Yu, Tatsuya Noda, Shunichi Tanaka, Yoshinobu Nakamura, Masato Nakanishi
  • Publication number: 20200393574
    Abstract: The device and method can calculate an absolute spatial relationship between a device and other characteristic points etc. with high precision by using VSLAM. A navigation device includes a VSLAM calculating module, a GNSS rate calculating module, and a scale correction value calculating module. The GNSS rate calculating module calculates a GNSS rate based on one of an amount of change in a phase of a GNSS signal and an amount of change in a frequency of the GNSS signal. The VSLAM calculating module estimates VSLAM locations at a plurality of time points based on a VSLAM calculation using a video image. The scale correction value calculating module calculates a scale correction value for the VSLAM location based on the VSLAM locations at two or more time points of the plurality of time points estimated by the VSLAM calculating module, and the GNSS rate.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Applicant: Furuno Electric Co., Ltd.
    Inventors: Hiraku NAKAMURA, Hiroyuki TODA, Tatsuya SONOBE, Naomi FUJISAWA
  • Patent number: 10864760
    Abstract: A recording apparatus includes: a feeding unit that feeds a medium placed on a medium placing unit located on a back side (?Y) of the apparatus; a transport unit that transports the medium fed from the feeding unit; a recording unit that performs recording on the medium transported from the transport unit; a reverse path that transports the medium in a reverse direction after recording is performed by the recording unit to turn over the medium; and a feed driving motor that drives the feeding unit, wherein the feed driving motor is disposed above the reverse path.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: December 15, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Tatsuya Shirane, Shinji Kanemaru, Kazuhisa Nakamura, Yoshikazu Nagai, Keisuke Sasaki, Haruki Miyasaka
  • Patent number: D904990
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: December 15, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Satoshi Ishii, Yoshimasa Takeda, Shuichi Kitano, Osamu Ono, Ami Inoue, Takeshi Kondo, Tatsuya Nakamura