Patents by Inventor Tomohiro Hasegawa

Tomohiro Hasegawa 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: 20200061683
    Abstract: A subsurface soil purification method including: warming an activator liquid, for stimulating decomposer microorganisms that decompose a contaminant in subsurface soil, to a higher temperature than a groundwater temperature, and feeding the activator liquid into the subsurface soil by injecting the activator liquid into an in-ground injection well; warming an activator liquid, for stimulating decomposer microorganisms that decompose a contaminant in subsurface soil, the decomposer microorganisms being infused in the activator liquid, to a higher temperature than a groundwater temperature, and feeding the activator liquid into the subsurface soil by injecting the activator liquid into an in-ground injection well, or warming a purification liquid for decomposing a contaminant in subsurface soil, to a higher temperature than a groundwater temperature, and feeding the purification liquid into the subsurface soil by injecting the purification liquid into an in-ground injection well.
    Type: Application
    Filed: August 29, 2017
    Publication date: February 27, 2020
    Applicants: TAKENAKA CORPORATION, TAKENAKA CIVIL ENGINEERING & CONSTRUCTION CO., LTD.
    Inventors: Kaoru INABA, Yuji YAMAZAKI, Takaaki SHIMIZU, Nobuyasu OKUDA, Yasuhide FURUKAWA, Tomohiro NAKASHIMA, Haruka KIYOTOMO, Kazuhiro MUKAI, Masafumi FUNAKAWA, Ai HASEGAWA, Keisuke OMURA, Kota TANABE
  • Patent number: 10574601
    Abstract: The present invention provides a method, system, and computer program product of managing and displaying online messages along timelines. In an embodiment, the present invention includes receiving a plurality of online messages from an online website, determining sets of similar online messages among the plurality of online messages, and displaying on a computer display each of the sets of similar online messages along a graphical representation of a timeline corresponding to the each of the sets of similar online messages, resulting in displayed timelines and displayed online messages. In a further embodiment, the present invention includes in response to receiving a new online message from the online website, determining each set among the sets of similar online messages to which the new online message is similar, and displaying on the computer display the new online message, resulting in a displayed new online message.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: February 25, 2020
    Assignee: International Business Machines Corporation
    Inventors: Tomohiro Shioya, Fumihiko Terui, Mihoko Hasegawa, Hirofumi Nishikawa
  • Patent number: 10557400
    Abstract: The cooling apparatus of the engine sets the first shut-off valve to the closed position, sets the second shut-off valve to the open position, and performs the opposite flow connection operation to supplies the cooling water directly to the cylinder block water passage from the cylinder head water passage without flowing the cooling water through the radiator and to the heat exchanger from the cylinder head water block when the engine temperature is lower than the completely-warmed temperature, and the cooling water is requested to be supplied to the heat exchanger.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: February 11, 2020
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yoshio Hasegawa, Tomohiro Shinagawa, Yuji Miyoshi
  • Publication number: 20200032106
    Abstract: A polishing liquid containing abrasive grains, a hydroxy acid, a polyol, a cationic compound, and a liquid medium, in which a zeta potential of the abrasive grains is positive and a weight average molecular weight of the cationic compound is less than 1000.
    Type: Application
    Filed: January 29, 2018
    Publication date: January 30, 2020
    Inventors: Tomohiro IWANO, Takaaki MATSUMOTO, Tomoyasu HASEGAWA
  • Publication number: 20200017490
    Abstract: The purpose of the present invention is to provide a mesoionic compound, which exhibits an improved controlling effect on various harmful organisms, or a salt thereof. A mesoionic compound represented by formula (1) (wherein: R1 is selected from a hydrogen atom, etc.; R2 represents an optionally substituted phenyl group; R3 is selected from a hydrogen atom, etc.; R4 is selected from a hydrogen atom, etc.; R5 is selected from an optionally substituted ethylene group, etc.; and X is selected from an oxygen atom, etc.) or a salt thereof.
    Type: Application
    Filed: September 25, 2017
    Publication date: January 16, 2020
    Inventors: Tomohiro Kamo, Shinji Hasegawa, Yuma Kagohara, Shotaro Ueno, Takaaki Miyake, Takeru Kobayashi, Ryusei Matsuda, Shu Asano
  • Publication number: 20190349113
    Abstract: An optical transmission apparatus includes a splitter configured to split a first wavelength division multiplexed optical signal arranged in a first wavelength band and a second wavelength division multiplexed optical signal arranged in a second wavelength band, respectively, from an optical signal including the first wavelength division multiplexed optical signal and the second wavelength division multiplexed optical signal, a wavelength converter configured to convert a wavelength of the split second wavelength division multiplexed optical signal to generate a third wavelength division multiplexed optical signal to be arranged in the first wavelength band, an optical monitor configured to monitor power of each wavelength channel of the third wavelength division multiplexed optical signal, and a transmitter configured to transmit a monitoring result by the optical monitor to a transmission source node of the optical signal or a relay node of the optical signal.
    Type: Application
    Filed: April 22, 2019
    Publication date: November 14, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Shinji Komiya, Norifumi Shukunami, Makoto Hasegawa, Tomohiro Yamauchi, Tomoyuki Kato
  • Patent number: 10458847
    Abstract: A luminance evaluation image 1 has a determination portion 3 configured such that luminance changes progressively between low and high luminance regions 3a and 3b defined to have luminance levels lower and higher than an upper limit of luminance displayable on the image display device 4, respectively. A chromaticity evaluation image has a determination portion configured such that chroma changes progressively between low and high chroma regions defined to have chroma levels lower and higher than an upper limit of chroma displayable on the image display device 4, respectively. At least either the luminance evaluation image or chromaticity evaluation image is displayed on the image display device 4 to evaluate characteristics of the image display device 4 from a position of a boundary B1 in the determination portion 3.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 29, 2019
    Assignee: IMAGICA Lab. Inc.
    Inventors: Ado Ishii, Wataru Matsumoto, Toshiki Yura, Tomohiro Hasegawa
  • Patent number: 10428720
    Abstract: The cooling apparatus of the engine according to the invention supplies the cooling water directly to the cylinder block water passage from the cylinder head water passage when the engine temperature is between first and second temperatures, and a supply of the cooling water to the heat exchanger is not requested. The first and second temperatures are lower than the engine completely-warmed temperature. The apparatus supplies the cooling water discharged from the cylinder block and head water passages, to the water passages through the heat exchanger when the engine temperature is between the second temperature and the engine completely-warmed temperature, and the supply of the cooling water to the heat exchanger is not requested.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: October 1, 2019
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yoshio Hasegawa, Yuji Miyoshi, Tomohiro Shinagawa, Yoshiharu Hirata
  • Patent number: 10422303
    Abstract: A first plate portion covers one opening of a pump chamber of a tubular portion, and a second plate portion covers the other opening of the pump chamber along a center axis of the tubular portion. A hole forming portion is equipped to an outside of the tubular portion to form a connection hole. A length of the hole forming portion along the center axis is less than or equal to a length of the tubular portion along the center axis. A first imaginary line connects a center of an outer opening of the connection hole with a point on the center axis. The first imaginary line intersects perpendicularly with the center axis. A length of the connection hole in a direction perpendicular to both the first imaginary line and the center axis is greater than a length of the connection hole along the center axis.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: September 24, 2019
    Assignee: DENSO CORPORATION
    Inventors: Ryoyu Kishi, Shigeru Hasegawa, Tomohiro Itoh, Kosei Takagi
  • Patent number: 10415455
    Abstract: A cooling apparatus of an engine of the invention has a circulation passage for supplying cooling water to head and block passages through a heat exchanger. The apparatus circulates the cooling water through the circulation passage when a second condition is satisfied and then, a first condition is satisfied. The first condition includes a water supply condition that a supply of the cooling water to the exchanger is requested. The second condition includes the water supply condition and a condition that a cooling water temperature is lower than an engine completely-warmed water temperature.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: September 17, 2019
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yoshio Hasegawa, Yuji Miyoshi, Tomohiro Shinagawa, Yoshiharu Hirata, Ryo Michikawauchi
  • Patent number: 10385759
    Abstract: A cooling system includes: a first coolant passage; a second coolant passage; a pump; a radiator; a third coolant passage; a connection switching mechanism that switches between a forward flow connection state and a reverse flow connection state; a fourth coolant passage; a fifth coolant passage; and a shutoff valve configured to open/shut off the fifth coolant passage. The radiator is disposed at a location at which coolant flowing from a second end of the first coolant passage into a fourth end of the second coolant passage is not cooled in the reverse flow connection state, and coolant flowing out from the second end of the first coolant passage and the fourth end of the second coolant passage is cooled in the forward flow connection state.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: August 20, 2019
    Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha
    Inventors: Yoshio Hasegawa, Tomohiro Shinagawa, Kenichi Kubota, Ryo Michikawauchi, Yuji Miyoshi, Yoshiharu Hirata, Naoto Yumisashi
  • Publication number: 20190193129
    Abstract: A subsurface soil purification method includes a first process of injecting a cleaning liquid, that separates a contaminant in subsurface soil from the subsurface soil and that has been warmed to a higher temperature than a groundwater temperature, into an injection well provided in the ground, and a second process of pumping up groundwater containing the cleaning liquid, in which the contaminant separated from the subsurface soil has been dissolved, from a pumping well that is provided in the ground so as to be spaced apart from the injection well.
    Type: Application
    Filed: August 29, 2017
    Publication date: June 27, 2019
    Inventors: Yuji YAMAZAKI, Takaaki SHIMIZU, Nobuyasu OKUDA, Yasuhide FURUKAWA, Tomohiro NAKASHIMA, Haruka KIYOTOMO, Kazuhiro MUKAI, Kaoru INABA, Koudai MAE, Masafumi FUNAKAWA, Ai HASEGAWA, Keisuke OMURA, Kota TANABE
  • Publication number: 20190170049
    Abstract: The cooling apparatus of the engine according to the invention supplies the cooling water directly to the cylinder block water passage from the cylinder head water passage when the engine temperature is between first and second temperatures, and a supply of the cooling water to the heat exchanger is not requested. The first and second temperatures are lower than the engine completely-warmed temperature. The apparatus supplies the cooling water discharged from the cylinder block and head water passages, to the water passages through the heat exchanger when the engine temperature is between the second temperature and the engine completely-warmed temperature, and the supply of the cooling water to the heat exchanger is not requested.
    Type: Application
    Filed: March 26, 2018
    Publication date: June 6, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshio HASEGAWA, Yuji MIYOSHI, Tomohiro SHINAGAWA, Yoshiharu HIRATA
  • Publication number: 20190140141
    Abstract: To provide a nitride semiconductor element having a better contact resistance reduction effect also in the case of a light emitting element containing AlGaN having a high Al composition. The nitride semiconductor element has a substrate 1, a first conductivity type first nitride semiconductor layer 2 formed on the substrate 1, and a first electrode layer 4 formed on the first nitride semiconductor layer 2. The first electrode layer 4 contains aluminum and nickel, and both aluminum and an alloy containing aluminum and nickel are present in a contact surface to the first nitride semiconductor layer 2 or in the vicinity of the contact surface.
    Type: Application
    Filed: November 8, 2018
    Publication date: May 9, 2019
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Aya YOKOYAMA, Yoshihito HAGIHARA, Ryosuke HASEGAWA, Akira YOSHIKAWA, Ziyi ZHANG, Tomohiro MORISHITA
  • Publication number: 20190101064
    Abstract: Disclosed is a control device for a multi-cylinder engine having a combustion chamber (19) to which an intake port (16) and an exhaust port (17) are connected. The control device comprises: an intake-side variable valve operating mechanism (71) for controlling a lift timing of two intake valves (21a, 21b) of the intake port (16); an exhaust-side variable valve operating mechanism (72) for controlling a lift timing of an exhaust valve (22a); and an exhaust-side valve operating mechanism (73) for driving an exhaust valve (22b) at a fixed timing. The control device is operable, when executing cylinder deactivation in a low engine load and low engine speed operating range, to cause the exhaust-side variable valve operating mechanism (72) to open the exhaust valve (22a) during downward movement of a piston (14) in a cylinder (18) being subjected to the cylinder deactivation.
    Type: Application
    Filed: March 29, 2017
    Publication date: April 4, 2019
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Keitaro EZUMI, Kazuhiro TAKEMOTO, Tomokuni KUSUNOKI, Atsushi INOUE, Akitomo TAKAGI, Masanari SUEOKA, Masami NISHIDA, Kazufumi KUMAKURA, Kota MATSUMOTO, Tomohiro HASEGAWA, Tadasu HASHIGUCHI, Toshiaki TAKAHASHI, Masatoshi HIDAKA
  • Publication number: 20190056271
    Abstract: A luminance evaluation image 1 has a determination portion 3 configured such that luminance changes progressively between low and high luminance regions 3a and 3b defined to have luminance levels lower and higher than an upper limit of luminance displayable on the image display device 4, respectively. A chromaticity evaluation image has a determination portion configured such that chroma changes progressively between low and high chroma regions defined to have chroma levels lower and higher than an upper limit of chroma displayable on the image display device 4, respectively. At least either the luminance evaluation image or chromaticity evaluation image is displayed on the image display device 4 to evaluate characteristics of the image display device 4 from a position of a boundary B1 in the determination portion 3.
    Type: Application
    Filed: January 26, 2017
    Publication date: February 21, 2019
    Applicant: IMAGICA Corp.
    Inventors: Ado ISHII, Wataru MATSUMOTO, Toshiki YURA, Tomohiro HASEGAWA
  • Patent number: 9822787
    Abstract: A dynamic pressure bearing apparatus includes a bearing portion, a shaft, a radial dynamic pressure bearing portion, and a seal gap. An annular member arranged in an annular shape, fixed to the shaft axially between the seal portion and the attachment surface, and arranged to extend radially outward beyond an opening of the seal gap. A minute horizontal gap extending radially is defined between an upper surface of the bearing portion and a lower surface of the annular member. The seal gap is arranged to be in communication with an exterior space through the horizontal gap.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 21, 2017
    Assignee: NIDEC CORPORATION
    Inventors: Tomotsugu Sugiyama, Teiichi Hirono, Shinichiro Noda, Akihiro Kimura, Yoshiharu Ikegami, Tomohiro Hasegawa, Masafumi Fujimoto, Tomohiro Yoneda
  • Patent number: 9605682
    Abstract: There is provided a blower fan including a motor. In its bearing apparatus, the inner circumferential surface of the rotor cylindrical portion 222b and the outer circumferential surface of the bearing portion are arranged to together define a seal gap 35. The bushing 26 includes a bushing base portion 260 and a bushing cylindrical portion 262. The inner circumferential surface of the bushing cylindrical portion 262 and the outer circumferential surface of the rotor cylindrical portion 222b are arranged to together define a vertical gap. The vertical gap is arranged to have a minimum radial width equal to or smaller than a maximum width of the seal gap. A lower end portion of the rotor raised portion 514 and an upper end portion of the bushing cylindrical portion 262 are arranged to together define a second horizontal gap 266a.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: March 28, 2017
    Assignee: NIDEC CORPORATION
    Inventors: Tomohiro Hasegawa, Shunji Matsumoto, Takahiro Kikuichi, Mitsuhito Nishio, Noriaki Yamada, Satoru Otsu, Hiroyoshi Teshima, Kiyoto Ida
  • Patent number: 9458852
    Abstract: A centrifugal fan includes an impeller, a motor portion, and a housing. The housing includes an upper plate portion, a lower plate portion arranged to have the motor portion fixed thereto; and a side wall portion. A flow control member is arranged to extend in a line along a boundary between an inside surface of the side wall portion and one of a lower surface of the upper plate portion and an upper surface of the lower plate portion. The flow control member includes a flow control surface arranged to extend radially outward from the one of the lower surface of the upper plate portion and the upper surface of the lower plate portion to the inside surface of the side wall portion while becoming more distant from the one of the lower surface of the upper plate portion and the upper surface of the lower plate portion.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: October 4, 2016
    Assignee: NIDEC CORPORATION
    Inventors: Seung-sin Yoo, Tomohiro Hasegawa, Shunji Matsumoto, Kazuo Tanaka, Takuro Kawano, Yuji Katsurayama, Atsushi Mukai, Noriaki Yamamoto
  • Publication number: 20160169242
    Abstract: A dynamic pressure bearing apparatus includes a bearing portion, a shaft, a radial dynamic pressure bearing portion, and a seal gap. An annular member arranged in an annular shape, fixed to the shaft axially between the seal portion and the attachment surface, and arranged to extend radially outward beyond an opening of the seal gap. A minute horizontal gap extending radially is defined between an upper surface of the bearing portion and a lower surface of the annular member. The seal gap is arranged to be in communication with an exterior space through the horizontal gap.
    Type: Application
    Filed: February 24, 2016
    Publication date: June 16, 2016
    Applicant: NIDEC CORPORATION
    Inventors: Tomotsugu Sugiyama, Teiichi Hirono, Shinichiro Noda, Akihiro Kimura, Yoshiharu Ikegami, Tomohiro Hasegawa, Masafumi Fujimoto, Tomohiro Yoneda