Patents by Inventor Takayuki Kobayashi

Takayuki Kobayashi 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: 11413244
    Abstract: An object of the present invention is to provide a liposome composition and a pharmaceutical composition, which exhibit a high AUC. Provided are a liposome composition including a hydrophilic polymer-modified diacylphosphatidylethanolamine, a dihydrosphingomyelin, and cholesterols as components of a liposome membrane, in which the liposome composition encapsulates a drug, an inner water phase thereof contains ammonium sulfate, and a molar ratio of sulfate ions in the inner water phase to the drug in an entire water phase is 0.36 or more; and a pharmaceutical composition including the liposome composition.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 16, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Noriyuki Kasagi, Naoki Yamada, Mikinaga Mori, Takayuki Kato, Takayuki Kobayashi
  • Publication number: 20220241903
    Abstract: Provided is a joint structure. The joint structure includes a first structure, and a second structure joined to the first structure via a joint portion formed of a Au—Sn-based alloy, wherein a thickness of the joint portion is 3 ?m or more and 50 ?m or less.
    Type: Application
    Filed: March 25, 2020
    Publication date: August 4, 2022
    Inventors: Masamoto TANAKA, Kiyotsugu KOMORI, Keisuke AKASHI, Katsuhiko HOSHINO, Tsunekazu YAMAZAKI, Takayuki KOBAYASHI, Sukeyoshi YAMAMOTO, Kensuke MISAWA
  • Publication number: 20220224415
    Abstract: An electric digital received signal obtained from a received optical signal is segmented into blocks of a certain length with an overlap of a length determined in advance with an adjacent block. Fourier transformation is performed for each of the blocks. The blocks subjected to the Fourier transformation are stored consecutively in time series, a coefficient determined based on a wavelength dispersion compensation amount according to one of frequency positions and a delay amount according to one of the frequency positions and one of time positions is applied to each of frequency component values included in a plurality of the stored blocks, and the blocks to which the coefficient has been applied and which are obtained by adding up the frequency component values to which the coefficient has been applied for each of the frequency positions are generated. Inverse Fourier transformation is performed on the generated blocks to which the coefficient has been applied.
    Type: Application
    Filed: June 6, 2019
    Publication date: July 14, 2022
    Inventors: Masanori NAKAMURA, Seiji Okamoto, Kengo HORIKOSHI, Shuto YAMAMOTO, Takayuki KOBAYASHI, Yoshiaki KISAKA, Masahito TOMIZAWA
  • Patent number: 11349564
    Abstract: A crosstalk estimation system includes: a light source unit that generates a polarization-multiplexed light, which is a polarized light having multiplexed polarizations, of each wavelength in a sideband of a modulated signal and emits the polarization-multiplexed light of each wavelength; a multiplexer that multiplexes the modulated signal with the polarization-multiplexed light for each core, which is associated with one of the wavelengths; a transmission line that transmits the modulated signal multiplexed with the polarization-multiplexed light of each wavelength through a different core; a separation unit that separates the polarization-multiplexed light from the modulated signal multiplexed with the polarization-multiplexed light for each core; a measurement unit that generates light intensity data on the polarization-multiplexed light of each wavelength; and an estimation unit that estimates a crosstalk between the cores based on a difference in light intensity between the polarization-multiplexed light
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: May 31, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Akira Isoda, Takayuki Mizuno, Koki Shibahara, Takayuki Kobayashi, Yutaka Miyamoto
  • Publication number: 20220157766
    Abstract: There is provided a metal-coated Al bonding wire which can provide a sufficient bonding reliability of bonded parts of the bonding wire under a high temperature state where a semiconductor device using the metal-coated Al bonding wire is operated. The bonding wire includes a core wire of Al or Al alloy, and a coating layer of Ag, Au or an alloy containing them formed on the outer periphery of the core wire, and the bonding wire is characterized in that when measuring crystal orientations on a cross-section of the core wire in a direction perpendicular to a wire axis of the bonding wire, a crystal orientation <111> angled at 15 degrees or less to a wire longitudinal direction has a proportion of 30 to 90% among crystal orientations in the wire longitudinal direction. Preferably, the surface roughness of the wire is 2 ?m or less in terms of Rz.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 19, 2022
    Inventors: Takashi YAMADA, Akihito NISHIBAYASHI, Teruo HAIBARA, Daizo ODA, Motoki ETO, Tetsuya OYAMADA, Takayuki KOBAYASHI, Tomohiro UNO
  • Publication number: 20220152749
    Abstract: There is provided an Al bonding wire which can provide a sufficient bonding reliability of bonded parts of the bonding wire under a high temperature state where a semiconductor device using the Al bonding wire is operated. The bonding wire is composed of Al or Al alloy, and is characterized in that an average crystal grain size in a cross-section of a core wire in a direction perpendicular to a wire axis of the bonding wire is 0.01 to 50 ?m, and when measuring crystal orientations on the cross-section of the core wire in the direction perpendicular to the wire axis of the bonding wire, a crystal orientation <111> angled at 15 degrees or less to a wire longitudinal direction has a proportion of 30 to 90% among crystal orientations in the wire longitudinal direction.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 19, 2022
    Inventors: Takashi YAMADA, Akihito NISHIBAYASHI, Teruo HAIBARA, Daizo ODA, Motoki ETO, Tetsuya OYAMADA, Takayuki KOBAYASHI, Tomohiro UNO
  • Publication number: 20220149974
    Abstract: A receiver convolutes each of a real component and an imaginary component of each polarization of a polarization-multiplexed reception signal with an impulse response for compensating for frequency characteristics of the receiver and a complex impulse response for wavelength dispersion compensation, and generates, as input signals, the convoluted real component and imaginary component of each polarization and phase conjugations thereof, for each polarization.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 12, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takayuki KOBAYASHI, Masanori NAKAMURA, Fukutaro HAMAOKA, Yutaka MIYAMOTO
  • Patent number: 11289855
    Abstract: A shield connector includes a shield member for covering an outer periphery of a terminal, and a substrate mounting surface provided on the shield member and fixed to a surface of a substrate via solder, wherein the substrate mounting surface has a reference surface and a stepped surface having a different height with respect to the reference surface. For example, the stepped surface is formed by at least one of a convex portion protruding from the reference surface of the substrate mounting surface and a concave portion recessed from the reference surface of the substrate mounting surface.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: March 29, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Yoshimi Wada, Takayuki Kobayashi, Isao Kameyama
  • Publication number: 20220089216
    Abstract: The power control unit sets a drive interval for driving the sensor by providing power intermittently to the sensor to a first time interval when no change is detected in the sine-wave signal and the cosine-wave signal, sets to the second time interval that is shorter than the first time interval when a change in only one of the sine-wave signal and the cosine-wave signal is detected, and sets to the third time interval that is shorter than the second time interval when a change in one of the sine-wave signal and the cosine-wave signal is detected and then a change in the other is detected.
    Type: Application
    Filed: April 7, 2021
    Publication date: March 24, 2022
    Applicant: NSK LTD.
    Inventors: Takayuki KOBAYASHI, Dai SUZUKI, Shin KUMAGAI, Hidetaka NAKAMURA
  • Patent number: 11283527
    Abstract: An optical transmission system includes an optical transmitter and an optical receiver. The optical transmitter includes a low speed signal generation unit configured to generate, based on an input signal of a transmission data sequence and a signal obtained by cyclically shifting a spectrum of the input signal, a plurality of low speed signals, a high speed signal generation unit configured to digital-to-analog convert and synthesize the plurality of low speed signals to generate a high speed signal, and an optical modulation unit configured to transmit an optical signal obtained by modulation of the high speed signal to a transmission path.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: March 22, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Masanori Nakamura, Fukutaro Hamaoka, Hiroshi Yamazaki, Munehiko Nagatani, Takayuki Kobayashi, Yutaka Miyamoto
  • Publication number: 20220041215
    Abstract: The power management unit supplies first power that is continuous power to the second sensor when the power switch is on, supplies second power that is intermittent power having a voltage lower than the first power to the second sensor when the power switch is off, and outputs rotation number information representing a rotation number of the motor rotation shaft based on the second sensor signal. The power management unit includes a comparator that operates using the second power as the power source when the power switch is off and compare the second sensor signal and the reference voltage, and a counter that detects the rotation number of the motor rotation shaft by counting the output of the comparators.
    Type: Application
    Filed: April 7, 2021
    Publication date: February 10, 2022
    Applicant: NSK LTD.
    Inventors: Dai SUZUKI, Takayuki KOBAYASHI, Shin KUMAGAI, Hidetaka NAKAMURA
  • Publication number: 20220029707
    Abstract: An optical transmission system includes an optical transmitter and an optical receiver. The optical transmitter includes a low speed signal generation unit configured to generate, based on an input signal of a transmission data sequence and a signal obtained by cyclically shifting a spectrum of the input signal, a plurality of low speed signals, a high speed signal generation unit configured to digital-to-analog convert and synthesize the plurality of low speed signals to generate a high speed signal, and an optical modulation unit configured to transmit an optical signal obtained by modulation of the high speed signal to a transmission path.
    Type: Application
    Filed: December 4, 2019
    Publication date: January 27, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Masanori NAKAMURA, Fukutaro HAMAOKA, Hiroshi YAMAZAKI, Munehiko NAGATANI, Takayuki KOBAYASHI, Yutaka MIYAMOTO
  • Publication number: 20210376924
    Abstract: A crosstalk estimation system includes: a light source unit that generates a polarization-multiplexed light, which is a polarized light having multiplexed polarizations, of each wavelength in a sideband of a modulated signal and emits the polarization-multiplexed light of each wavelength; a multiplexer that multiplexes the modulated signal with the polarization-multiplexed light for each core, which is associated with one of the wavelengths; a transmission line that transmits the modulated signal multiplexed with the polarization-multiplexed light of each wavelength through a different core; a separation unit that separates the polarization-multiplexed light from the modulated signal multiplexed with the polarization-multiplexed light for each core; a measurement unit that generates light intensity data on the polarization-multiplexed light of each wavelength; and an estimation unit that estimates a crosstalk between the cores based on a difference in light intensity between the polarization-multiplexed light
    Type: Application
    Filed: August 15, 2019
    Publication date: December 2, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Akira ISODA, Takayuki MIZUNO, Koki SHIBAHARA, Takayuki KOBAYASHI, Yutaka MIYAMOTO
  • Publication number: 20210362391
    Abstract: Provided are a resin filler tube capable of facilitating manufacture and ensuring rigidity in a bent tube portion, and a manufacturing method thereof. A resin filler tube connects an oil filling port and a fuel tank and includes straight tube portions and bent tube portions. The bent tube portions include a bellows-shaped bent inner portion in which hill portions and valley portions are continuous, and a bent outer portion which is formed by a non-bellows-shaped smooth surface. The valley portion of the bent inner portion has a linear outer peripheral surface parallel to a center line of the bent tube portions in a state in which the bent tube portions are in a straight tubular shape, and the linear outer peripheral surface of the valley portions is formed in an entire circumferential range in which the hill portions are formed.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 25, 2021
    Applicant: Sumitomo Riko Company Limited
    Inventors: Makoto Shimojo, Atsuo Miyajima, Takayuki Kobayashi, Eunjin Park
  • Publication number: 20210296847
    Abstract: An optical amplifier repeater system includes an optical fiber propagating a light beam in a plurality of propagation modes and an optical amplifier repeater amplifying the light beam propagated through the optical fiber. The optical amplifier repeater includes an optical demultiplexer demultiplexing the light beam in the plurality of propagation modes propagated through the optical fiber into a plurality of single-mode light beams, an optical amplifier amplifying, by simultaneous pumping, intensities of the plurality of single-mode light beams using a light beam generated by one pumping light source, an optical multiplexer multiplexing the plurality of single-mode light beams amplified by the optical amplifier into a light beam in the plurality of propagation modes, and an optical intensity adjusting unit adjusting the intensity of each of the plurality of single-mode light beams at least one of before or after the amplification by the optical amplifier.
    Type: Application
    Filed: July 5, 2019
    Publication date: September 23, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takayuki MIZUNO, Koki SHIBAHARA, Akira ISODA, Takayuki KOBAYASHI, Yutaka MIYAMOTO
  • Publication number: 20210260992
    Abstract: A refueling port is provided and includes: a refueling port main body made of resin; an inlet fitting formed in a tubular shape and arranged at an inlet opening of the refueling port main body; a resin cover formed in a tubular shape, molded separately from the inlet fitting, mounted on the outer peripheral side of the inlet fitting, and fitted to the refueling port main body; and a ground fitting formed in a long shape and connected to the inlet fitting. The ground fitting includes: an exposed portion arranged to face the outer peripheral surface of the cover; and an insertion portion formed by folding back from a first end of the exposed portion on the inlet side, sandwiched between the outer peripheral surface of the inlet fitting and the inner peripheral surface of the cover, and coming into contact with the outer peripheral surface of the inlet fitting.
    Type: Application
    Filed: February 3, 2021
    Publication date: August 26, 2021
    Applicant: Sumitomo Riko Company Limited
    Inventors: Makoto Shimojo, Atsuo Miyajima, Eunjin Park, Takayuki Kobayashi
  • Publication number: 20210260991
    Abstract: Provided is a refueling port which can be manufactured at low cost. A refueling port includes: a refueling port main body made of resin; an inlet fitting formed in a tubular shape, arranged at an inlet opening of the refueling port main body, and having a groove on the outer peripheral surface; and a resin cover formed in a tubular shape, arranged on the outer peripheral side of the inlet fitting, having internal protrusions that engage with the groove of the inlet fitting in a tubular axial direction of the inlet fitting, and fitted to the inner peripheral surface of the inlet opening of the refueling port main body.
    Type: Application
    Filed: February 2, 2021
    Publication date: August 26, 2021
    Applicant: Sumitomo Riko Company Limited
    Inventors: Makoto Shimojo, Atsuo Miyajima, Eunjin Park, Takayuki Kobayashi
  • Publication number: 20210210909
    Abstract: A shield connector is provided with an inner terminal having a connection part configured to connect electrically to a mating terminal and an outer terminal having a cylindrical part configured to form a shield circuit with a mating shield member. The inner terminal includes an inner connection part configured to connect electrically to a circuit board. The outer terminal includes a plurality of outer connection parts extending from the cylindrical part and configured to be grounded to the circuit board. With respect to the inner connection part, a first outer connection part is on a front side of the other outer connection part of the plurality of outer connection parts in a fitting direction of the connection part. A space between the inner connection part and the first outer connection part is set wider than a space between the inner connection part and the other outer connection part.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 8, 2021
    Applicant: YAZAKI CORPORATION
    Inventors: Yoshimi Wada, Takayuki Kobayashi
  • Publication number: 20210183559
    Abstract: The present invention improves cooling efficiency of a conductive member, which is formed by bundling a plurality of wires and to which electric current is led from a current introduction terminal. A current introduction terminal structure 10, in which electric current is led from a current introduction terminal 12 to a conductive member 13 formed by bundling a plurality of wires 34, is configured in such a manner that the conductive member 13 and the current introduction terminal 12 electrically connected to this conductive member 13 are disposed in a casing 14 for storing cooling water W and are immersed in the cooling water W.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Kazuya SAWADA, Kunihiko KINUGASA, Tomofumi ORIKASA, Takayuki KOBAYASHI
  • Patent number: 11034103
    Abstract: A production method for fiber-reinforced plastic, includes: a step in which a material (A) including a prepreg base material is obtained, said prepreg base material having cuts therein and having a thermoplastic resin impregnated in reinforcing fibers arranged in parallel in one direction; a step in which a pressurizing device is used that applies a substantially uniform pressure in a direction (X) orthogonal to the travel direction of the material (A) and the material (A) is caused to travel in the one direction and is pressurized while being heated to a prescribed temperature (T), an angle (?) of ?20° to 20° being formed between the orthogonal direction (X) and a fiber axial direction (Y) for the reinforcing fibers of the prepreg base material; and a step in which the material (A) pressurized by the pressurizing device is cooled and the fiber-reinforced plastic is obtained.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: June 15, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masao Tomioka, Takeshi Ishikawa, Takayuki Kobayashi