Patents by Inventor Hiroshi Sakai

Hiroshi Sakai 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: 20210010761
    Abstract: The heat sink includes a radiation fin extending in a vertical direction from a heat-receiving unit, in which the radiation fin includes a notched portion in which a tip end side corner of the radiation fin is retracted inward in a main surface direction of the radiation fin with respect to a virtual rectangle or a virtual square formed of a side of the radiation fin on the heat-receiving unit side viewed from the main surface side, a first side extending from both ends of the side on the heat-receiving unit side in a direction orthogonal to the side on the heat-receiving unit side and a second side formed by extending a linear portion on the side of the radiation fin on a tip end side facing the side on the heat-receiving unit side to the first side.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masato WATANABE, Masahiro MEGURO, Hiroshi SAKAI, Yasuhiro UCHIMURA, Shuta HIKICHI
  • Patent number: 10888895
    Abstract: A film production method for producing a thin film on a surface of a workpiece, including the steps of: disposing the workpiece in a chamber; supplying a process gas into the chamber with the inside of the chamber being maintained at a predetermined pressure; applying a light having an energy between 3 eV and 10 eV to the surface of the workpiece to cause a photoelectron to be emitted from the surface of the workpiece; and applying an AC electric field to the surface of the workpiece, wherein the AC electric field has an electric field intensity causing a Townsend discharge to occur without generating a glow discharge plasma.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: January 12, 2021
    Assignees: SHOWA DENKO K.K., A SCHOOL CORPORATION KANSAI UNIVERSITY
    Inventors: Hiroshi Tani, Hiroshi Sakai, Eishin Yamakawa, Kazuki Shindo
  • Publication number: 20210002708
    Abstract: A primer set useful for further improvement of sensitivity in detection or identification of bacterial species in a sample by a PCR method, a kit for PCR using the primer set and a method of detection or identification of bacterial species in a sample using the primer set. Sensitivity in detection or identification of bacterial species in a sample by conducting a PCR method using the primer set with a minimized contamination amount of bacterial nucleic acid is improved. The primer set includes at least one primer pair in seven primer pairs obtained by selecting one primer pair from each of Groups S1 to S7 consisting of specific primers. In addition, the kit for detection of bacterial species includes at least one primer pair in seven primer pairs obtained by selecting one primer pair from each of Groups K1 to K7 consisting of specific primers.
    Type: Application
    Filed: August 11, 2020
    Publication date: January 7, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Koh AMANO, Tomomi SAKAI, Hisaaki YANAI, Homare TABATA, Hiroshi MINAMI, Isao KITAJIMA, Hideki NIIMI
  • Publication number: 20210003615
    Abstract: A current sensor includes a wiring board, a shield, an insulating sensor housing, and a shield adhesive. The wiring board and the shield are accommodated in the sensor housing. The sensor housing has a shield support part to support the shield, and a shield adhesion part. An application surface of the shield adhesion part is further from the shield than a contact surface of the shield support part. The shield is mounted on the contact surface of the shield support part, and the shield adhesive is disposed between the application surface of the shield adhesion part and the shield. The shield and the wiring board are aligned with and spaced from each other in the sensor housing.
    Type: Application
    Filed: September 17, 2020
    Publication date: January 7, 2021
    Inventors: Akito SASAKI, Ryosuke SAKAI, Hiroaki MIWA, Takeshi TSUKAMOTO, Hiroshi NOMURA, Takuma ESAKA, Tatsuaki SUGITO
  • Patent number: 10882581
    Abstract: An operating device includes a base member, an operating member, a first connecting part, a second connecting part and an additional component. The base member is mounted on a human-powered vehicle; an operating member provided to the base member. The first connecting part is provided to one of the base member and the operating member in a manner connectable to a power transmitting medium. The second connecting part is provided to the base member in a manner connectable to the power transmitting medium. The additional component is provided to at least one of the base member and the operating member.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: January 5, 2021
    Assignee: Shimano Inc.
    Inventors: Hiroshi Matsumoto, Takuma Sakai, Kazuma Mori, Masahiro Nakakura
  • Publication number: 20200397681
    Abstract: The present invention relates to a hair cosmetic containing the following components (A) and (B): (A) a compound represented by the following general formula (1) or a salt thereof: wherein a broken line represents the presence or absence of a ? bond; R1 represents a hydroxy group or an acetoxy group; R2 represents a hydrogen atom or —COOR (where R is a hydrogen atom, a methyl group, or an ethyl group); and R3 represents a hydrogen atom, an acetyl group, a methyl group, or an ethyl group, and (B) at least one polymer selected from the group consisting of polyvinyl alcohol and polyvinylpyrrolidone each having an average degree of polymerization of 700 or more and 10,000 or less.
    Type: Application
    Filed: November 19, 2018
    Publication date: December 24, 2020
    Applicant: Kao Corporation
    Inventors: Masutaro HIRAYAMA, Hiroshi YOSHIDA, Yuta SAKAI
  • Publication number: 20200397680
    Abstract: The present invention relates to a hair cosmetic containing the following components (A) to (E): (A) a compound represented by the following general formula (1) or a salt thereof: wherein a broken line represents the presence or absence of a ? bond; R1 represents a hydroxy group or an acetoxy group; R2 represents a hydrogen atom or —COOR (R is a hydrogen atom, a methyl group, or an ethyl group); and R3 represents a hydrogen atom, an acetyl group, a methyl group, or an ethyl group; (B) an alkaline agent; (C) a buffering agent; (D) an anionic surfactant; and (E) a cationic polymer having a cation charge density of 0.01 meq/g or more and 4.8 meq/g or less, a mass ratio of the component (A) to the component (E) [(A)/(E)] being 0.05 or more and less than 2.
    Type: Application
    Filed: November 19, 2018
    Publication date: December 24, 2020
    Applicant: KAO CORPORATION
    Inventors: Hiroshi YOSHIDA, Yuta SAKAI, Masutaro HIRAYAMA, Shingo KOMABA
  • Publication number: 20200395045
    Abstract: A method of manufacturing a magnetic recording medium forms an unfinished product including a magnetic recording layer and a protection layer that are successively formed on a substrate, and forms a lubricant layer on the protection layer of the unfinished product. The lubricant layer is formed by coating a first organic fluorine compound on the protection layer of the unfinished product, and supplying a gas, including a second organic fluorine compound, onto the protection layer of the unfinished product, and decomposing the second organic fluorine compound by Townsend discharge and ultraviolet ray irradiation. The protection layer includes carbon, and the first organic fluorine compound includes a functional group at a terminal thereof.
    Type: Application
    Filed: June 9, 2020
    Publication date: December 17, 2020
    Inventors: Hiroshi TANI, Hiroshi Sakai, Eishin Yamakawa, Kazuki Shindo
  • Publication number: 20200386794
    Abstract: The current sensor has a conductive member through which a current to be measured flows in a predetermined direction, and a magneto electric converter facing and spaced apart from the conductive member in an intersecting direction intersecting the predetermined direction. An opposing portion of the conductive member facing the magneto electric converter has an annular shape in which two tip surfaces face each other via a gap around the predetermined direction. The magneto electric converter is opposed to the hollow portion, arranged in the opposing portion having an annular shape, in the intersecting direction via the gap.
    Type: Application
    Filed: August 25, 2020
    Publication date: December 10, 2020
    Inventors: Tatsuaki SUGITO, Takeshi TSUKAMOTO, Takuma ESAKA, Ryosuke SAKAI, Akito SASAKI, Hatsuomi ISOGAI, Hiroaki MIWA, Hiroshi NOMURA, Takashi ISHIKAWA, Katsunori MICHIYAMA
  • Publication number: 20200386828
    Abstract: Provided is a method for determining a micro short circuit of a lithium ion secondary battery which is capable of determining the presence or absence of a micro short circuit of the lithium ion secondary battery in a short time. A relaxation process after the interruption of a discharging current or a charging current is analyzed and a voltage fluctuation component due to micro short circuit is separated and used in the determination.
    Type: Application
    Filed: June 2, 2020
    Publication date: December 10, 2020
    Inventors: Pu QIAN, Hiroshi SAKAI
  • Publication number: 20200386825
    Abstract: Provided is a method for determining a battery state of a lithium ion secondary battery that allows for understand a deterioration state of the battery without performing full charging of the battery. To estimate an entire image of a charge-discharge curve on the basis of a fragmentary charge-discharge curve by analyzing a relaxation process after the electric current interruption to grasp the resistance of a battery and taking into consideration a resulting resistance value.
    Type: Application
    Filed: June 2, 2020
    Publication date: December 10, 2020
    Inventors: Pu QIAN, Hiroshi SAKAI
  • Patent number: 10854185
    Abstract: A laminate having excellent sound absorbing performance in both of a low frequency range and a high frequency range, and is excellent in flexibility, includes a woven fabric layer and a nonwoven fabric layer. The woven fabric layer contains a fiber having a total fineness of 150 to 500 dtex in an amount of 40% by mass or more based on the woven fabric layer in total, a value obtained by dividing a difference between a weave density in a warp direction of the woven fabric layer and a weave density in a weft direction of the woven fabric layer by a smaller one of the weave density in the warp direction of the woven fabric layer and the weave density in the weft direction of the woven fabric layer is 0.5 to 3.5. The woven fabric layer has a basis weight of 100 to 400 g/m2, a thickness of 0.3 to 2.0 mm, and an air permeability of 15 to 40 cm3/cm2/s. The nonwoven fabric layer has a basis weight of 200 to 500 g/m2 and a thickness of 5 to 40 mm.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: December 1, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kenichi Sakai, Hiroshi Kajiyama
  • Publication number: 20200360262
    Abstract: The present invention relates to a hair cosmetic containing the following components (A) to (C): (A) a compound represented by the following general formula (1) or a salt thereof: wherein a broken line represents the presence or absence of a ? bond; R1 represents a hydroxy group or an acetoxy group; R2 represents a hydrogen atom or —COOR (R is a hydrogen atom, a methyl group, or an ethyl group); and R3 represents a hydrogen atom, an acetyl group, a methyl group, or an ethyl group; (B) a cationic polymer; and (C) an ampholytic polymer having a predetermined cationic structural unit and an anionic structural unit, a mass ratio of the component (C) to the component (A) [(C)/(A)] being 0.7 or more and 10 or less.
    Type: Application
    Filed: November 19, 2018
    Publication date: November 19, 2020
    Applicant: KAO CORPORATION
    Inventors: Yuta SAKAI, Hiroshi YOSHIDA, Hiroki FUJINAGA
  • Publication number: 20200355443
    Abstract: Provided herein is an example heat sink including a heat dissipation unit including a plurality of heat dissipation fin groups including a plurality of heat dissipation fins, the plurality of heat dissipation fin groups forming a laminated structure and a plurality of heat pipes, one end portions of which are thermally connected to a heating element and other end portions of which are inserted into a space provided between the plurality of heat dissipation fin groups forming the laminated structure and thermally connected to the heat dissipation unit.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 12, 2020
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Yasuyuki TOCHIGI, Masahiro MEGURO, Hiroshi SAKAI, Kenya KAWABATA
  • Patent number: 10814879
    Abstract: An onboard determination apparatus, comprising a first acquisition unit configured to acquire peripheral information of a self-vehicle detected by a first sensor, a second acquisition unit configured to acquire peripheral information of the self-vehicle detected by a second sensor of a type different from the first sensor, and a determination unit configured to determine a type of an on-road raised object on the periphery of the self-vehicle based on both the peripheral information acquired by the first acquisition unit and the peripheral information acquired by the second acquisition unit.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: October 27, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroshi Miura, Daisuke Sakai
  • Patent number: 10819203
    Abstract: A linear actuator is provided that has a configuration capable of inhibiting contact between an inner core and a plate spring that is connected to the inner core and an outer core, and which is realized by a configuration that is easy to assemble. A stator is arranged in an opening section of a through-hole in the inner core, and has a spacer through which a shaft passes. An outer frame section of the plate spring is connected to the outer core, and a fixed section of the plate spring is connected to the inner core through the spacer in a state in which the shaft passes therethrough. The spacer includes a penetration section having an insertion hole which the shaft is inserted through, and restriction sections and which restrict a displacement of a predetermined amount or more of the plate spring to the inner core side.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: October 27, 2020
    Assignee: SINFONIA TECHNOLOGY CO., LTD.
    Inventors: Yosuke Muraguchi, Hiroshi Takizawa, Yasuhiro Sakai, Takayoshi Fujii, Takashi Fukunaga
  • Patent number: 10816755
    Abstract: A variable focal length lens device includes: a lens system whose refractive index is variable in response to an inputted drive signal; an image detector for detecting an image of a target object through the lens system; a lens controller for outputting the drive signal and an illumination signal; and a lens operation unit for adjusting a frequency and amplitude of the drive signal outputted by the lens controller and an image-detection timing for the image detector. The lens controller includes a resonance-lock controller for tuning the drive signal to a resonance frequency of the lens system. The lens operation unit includes a resonance-lock operation unit for switchably enabling and suspending the resonance-lock controller.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: October 27, 2020
    Assignee: MITUTOYO CORPORATION
    Inventors: Hiroshi Sakai, Yutaka Watanabe
  • Patent number: 10816276
    Abstract: To provide a heat pipe where the heat pipe has an excellent capacity for absorbing a non-condensable gas such as a hydrogen gas thus exhibiting excellent heat transfer characteristics. The heat pipe includes: a container having a cavity portion inside the container; a wick structure disposed in the cavity portion; a working fluid sealed in the cavity portion; and a metal which absorbs hydrogen at 350° C. or below and releases no hydrogen at 350° C. or below, the metal being disposed in the cavity portion.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: October 27, 2020
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Hirofumi Aoki, Hiroshi Sakai, Yoshikatsu Inagaki
  • Publication number: 20200326564
    Abstract: A reflective spatial light modulator includes an electro-optic crystal having an input surface to which input light is input and a rear surface opposing the input surface, a light input/output unit being disposed on the input surface of the electro-optic crystal and having a first electrode through which the input light is transmitted, a light reflection unit including a substrate including a plurality of second electrodes and being disposed on the rear surface side of the electro-optic crystal, and a drive circuit applying an electric field between the first electrode and the plurality of second electrodes. The light input/output unit includes a first charge injection curbing layer formed on the input surface, and the light reflection unit includes a second charge injection curbing layer formed on the rear surface.
    Type: Application
    Filed: December 5, 2017
    Publication date: October 15, 2020
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Kuniharu TAKIZAWA, Hiroshi TANAKA, Haruyoshi TOYODA, Yasushi OHBAYASHI, Hiroto SAKAI, Tsubasa WATANABE
  • Publication number: 20200326131
    Abstract: Example embodiments may provide a heat sink capable of cooling even when hot spots generate a large amount of heat that is unevenly distributed in some regions of a heating element package. The heat sink may include a plurality of heat pipes including one end portions thermally connected to a heating element package provided with a heating element in a package and other end portions thermally connected to a heat dissipation unit, in which the plurality of heat pipes includes at least a first heat pipe and a second heat pipe having greater heat transport capacity than heat transport capacity of the first heat pipe.
    Type: Application
    Filed: June 25, 2020
    Publication date: October 15, 2020
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Shuta HIKICHI, Kenya KAWABATA, Masahiro MEGURO, Hiroshi SAKAI, Masato WATANABE, Yasuhiro UCHIMURA