Patents by Inventor Akihiko Saito

Akihiko Saito 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: 20220278039
    Abstract: Provided is a semiconductor module including: an insulating circuit board having a circuit pattern formed in one surface; a semiconductor chip placed in the insulating circuit board; and a wiring portion for electrically connecting the semiconductor chip and the circuit pattern. The wiring portion includes a chip connecting portion connected to the semiconductor chip. A surface of the chip connecting portion includes: a plurality of concave portions; and a flat portion disposed between two concave portions.
    Type: Application
    Filed: May 17, 2022
    Publication date: September 1, 2022
    Inventors: Mai SAITO, Akihiko IWAYA, Yoko NAKAMURA, Tatsuhiko ASAI, Hiromichi GOHARA, Tsubasa WATAKABE, Narumi SATO
  • Publication number: 20220242821
    Abstract: There is provided a production method for a resist composition purified product, which includes a step (i) of filtering a resist composition with a filter having a porous structure in which adjacent spherical cells are connected to each other. The filter includes a porous membrane containing at least one resin selected from the group consisting of polyimide and polyamide imide. The resist composition contains a base material component (A) that exhibits changed solubility in a developing solution under action of acid, an onium salt, and an organic solvent component (S), where the content of the organic solvent component (S) is 97% by mass or more.
    Type: Application
    Filed: May 20, 2020
    Publication date: August 4, 2022
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Akihiko NAKATA, Miku ABE, Hiroki SAITO
  • Publication number: 20220240179
    Abstract: Disclosed is a wireless communication base station device capable of reducing the power consumption of a terminal when broadband transmission is performed with only an uplink. With this device, a setting unit sets mutually different terminal IDs per a plurality of uplink unit bands for a terminal that communicates using a plurality of uplink unit bands and prescribed downlink unit bands which are fewer in number than the uplink unit bands; a control unit that respectively allocates resource allocation information per a plurality of uplink unit bands to a PDCCH arranged in a prescribed downlink unit band; and a PDCCH creation unit that creates a PDCCH signal by respectively masking the resource allocation information per a plurality of uplink unit bands with the terminal ID that has been set per a plurality of uplink unit bands.
    Type: Application
    Filed: April 19, 2022
    Publication date: July 28, 2022
    Inventors: Akihiko NISHIO, Seigo NAKAO, Yoshiko SAITO, Alexander GOLITSCHEK EDLER VON ELBWART
  • Publication number: 20220240230
    Abstract: A communication apparatus has a receiver and a decoder. The receiver receives a control signal including first downlink control information and second downlink control information, and receives decoding area information that indicates whether the extended Physical Downlink Control Channel (PDCCH) should be decoded for each of a plurality of terminal apparatuses. The decoder decodes each of a plurality of first mapping candidates in the PDCCH area or decodes each of the plurality of first mapping candidates in the PDCCH area and each of the plurality of second mapping candidates in the extended PDCCH. A number of the second mapping candidates included in the user-specific search space equals to or is more than a number of the first mapping candidates included in the common search space.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 28, 2022
    Inventors: Yoshiko SAITO, Ayako HORIUCHI, Seigo NAKAO, Akihiko NISHIO, Daichi IMAMURA, Alexander GOLITSCHEK EDLER VON ELBWART, Sujuan FENG
  • Patent number: 11392068
    Abstract: In an image forming apparatus, a fixing member has a surface layer having conductivity. A developer is a toner having a toner particle including a binder resin, a reactant of a polyhydric acid and a compound containing a group 4 element is present on a surface of the toner particle, and Tv/Fv>100 is satisfied where Tv represents a volume resistivity upon being unfixed, and Fv represents a volume resistivity after fixing. A bias applying unit can selectively apply a bias of a positive polarity and a bias of a negative polarity, and applies a bias of the same polarity as the charged polarity of a filler included in a recording material when the recording material passes through a fixing nip portion, and when the recording material does not pass through the fixing nip portion, respectively.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: July 19, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tohru Saito, Yoshiro Saito, Akihiko Uchiyama, Tomoaki Nakai, Kenta Kamikura, Yuzo Seino
  • Publication number: 20220220978
    Abstract: A compressor system includes: a compressor having an upstream region into which a working fluid flows, a downstream region in which the pressure of the working fluid is greater than that in the upstream region, inlet guide vanes that are provided further upstream than the upstream region and capable of altering the flow rate of the inflowing working fluid, and an extraction part that is provided to a portion between the upstream region and the downstream region and capable of extracting at least a portion of the working fluid; detection devices, at least one of which is provided in each of the upstream region and the downstream region, for detecting the physical quantity of the working fluid; and a control device for adjusting, on the basis of changes in the physical quantity, the opening degree of the inlet guide vanes and the amount extracted by the extraction part.
    Type: Application
    Filed: March 24, 2020
    Publication date: July 14, 2022
    Inventors: Takanori SHIBATA, Akihiko SAITO, Keisuke YAMAMOTO
  • Patent number: 11378019
    Abstract: A first fuel flow rate command value indicating a command value of a fuel input amount is calculated so that an output of a gas turbine matches a target output. An upper limit value of the first fuel flow rate command value is calculated based on a deviation obtained by subtracting, from an estimated value of a turbine inlet temperature of the gas turbine, a second limit value relating to the estimated value set such that the estimated value does not exceed a first limit value of the turbine inlet temperature.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: July 5, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazushige Takaki, Akihiko Saito, Ryuji Takenaka, Koshiro Fukumoto, Tomohide Akiyama, Kazuhito Ohashi, Yoshifumi Iwasaki
  • Patent number: 11359553
    Abstract: A control device for a gas turbine include: a target value calculation part configured to calculate a control target value being a target value of an output of the gas turbine; and a command value calculation part configured to calculate a fuel command value on the basis of a deviation between the control target value and an actual output value of the gas turbine. The target value calculation part is configured to: set the control target value to a value which is greater than an output demand value of the gas turbine immediately before a difference between the output demand value and the actual output value becomes not greater than a threshold; and subtract the control target value from the value after the difference becomes not greater than the threshold.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: June 14, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kazushige Takaki, Akihiko Saito, Ryuji Takenaka, Yoshifumi Iwasaki
  • Patent number: 11333265
    Abstract: An electromagnetic valve used in a fuel system, in which at least a portion of a member constituting an magnetic circuit in an electromagnetic drive unit includes 0.15-0.45 mass % (inclusive) Ni, 0.65-1.0 mass % (inclusive) Al, 9.2-10.3 mass % (inclusive) Cr, and 0.90-1.6 mass % (inclusive) Mo, and the remainder comprises an alloy material comprising Fe and unavoidable impurities. The alloy material may further include 0.05-0.15 mass % (inclusive) Pb.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: May 17, 2022
    Assignees: DAIDO STEEL CO., LTD., DENSO CORPORATION
    Inventors: Akihiko Saito, Takeshi Takano, Yu Nakama, Satoshi Doi, Takeshi Senoo, Tetsuya Aoki, Masatsune Ozawa, Makoto Saizen
  • Patent number: 11304919
    Abstract: One object of the present invention is to provide an inhibitor for renal injuries induced by an iodinated contrast medium. In this invention, cilastatin or a pharmaceutically acceptable salt thereof is used.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: April 19, 2022
    Inventors: Akihiko Saito, Sawako Goto, Yoshiaki Hirayama, Sakari Sekine
  • Patent number: 11248537
    Abstract: A gas turbine control device includes a first estimation unit configured to estimate a first temperature which is a first turbine inlet temperature estimation value based on a first model which is a physical model using a fuel flow rate to a gas turbine; a second estimation unit configured to estimate a second temperature which is a second turbine inlet temperature estimation value based on a second model which is a physical model using an exhaust gas temperature of the gas turbine; and a correction unit configured to correct the first temperature based on the second temperature to calculate a third turbine inlet temperature estimation value.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: February 15, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kazushige Takaki, Akihiko Saito, Ryuji Takenaka, Koshiro Fukumoto, Yoshifumi Iwasaki
  • Patent number: 11125166
    Abstract: A control system is configured to control a temperature of a fuel which is supplied to a combustor of a gas turbine via a fuel gas heater, which is configured to heat the fuel of the gas turbine, by adjusting a flow rate of heated water which is supplied to the fuel gas heater. The control system includes a water flow rate adjusting unit configured to adjust the flow rate of the heated water which is supplied to the fuel gas heater based on a difference between a target temperature of the fuel and the temperature of the fuel on an outlet side of the fuel gas heater.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: September 21, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Yuki Nakazawa, Akihiko Saito, Hiroyuki Nakagawa, Ryo Koto
  • Publication number: 20210228522
    Abstract: One object of the present invention is to provide an inhibitor for renal injuries induced by an iodinated contrast medium. In this invention, cilastatin or a pharmaceutically acceptable salt thereof is used.
    Type: Application
    Filed: April 26, 2019
    Publication date: July 29, 2021
    Inventors: Akihiko SAITO, Sawako GOTO, Yoshiaki HIRAYAMA, Sakari SEKINE
  • Patent number: 11047315
    Abstract: A gas turbine control device includes a detection value acquisition unit that acquires a detection value of at least one of a supply amount of fuel, pressure of compressed air, and electric power generated by a generator; a flue gas temperature acquisition unit that acquires a flue gas temperature detection value; a combustion gas temperature estimate value calculation unit that calculates a combustion gas temperature estimate value based on the detection value; a correction term acquisition unit that calculates a correction term based on a ratio between the combustion gas temperature estimate value and the flue gas temperature detection value; a corrected combustion gas temperature estimate value calculation unit that corrects the combustion gas temperature estimate value using the correction term to calculate a corrected combustion gas temperature estimate value; and a gas turbine controller that controls the gas turbine based on the corrected combustion gas temperature estimate value.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: June 29, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kazushige Takaki, Akihiko Saito, Ryuji Takenaka, Yoshifumi Iwasaki, Shinichi Yoshioka, Tatsuji Takahashi, Tomohide Akiyama
  • Publication number: 20210146848
    Abstract: Provided is an escape tool housing member to be wound around an assist grip of a vehicle, in which a main body is to be wound around a grip portion, and a housing portion housing an escape tool is arranged to abut against an inner side of the grip portion. By pinching and then pulling with fingers a left convex portion, a pull portion, a concave portion and a right convex portion that are positioned on a front surface side of the grip portion, a left inner fixation portion and a left outer fixation portion will be disconnected from each other, and a right inner fixation portion and a right outer fixation portion will be disconnected from each other as well, thereby allowing the escape tool housing member to be removed from the assist grip.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 20, 2021
    Applicant: HONDA ACCESS CORP.
    Inventors: Akihiko Saito, Shinpei Takenaka
  • Patent number: 10975771
    Abstract: A gas turbine combined cycle plant includes a fuel gas heater configured to heat fuel gas to be supplied to a combustor of a gas turbine using heated water heated by an exhaust heat recovery boiler; a return valve disposed on a heated water returning line to return heated water passing through the heater to the boiler; a dump valve disposed on a condensate line bifurcated from the heated water returning line between the return valve and the heater to return the heated water to a condenser; and a control unit configured to control operation of the return and dump valves. When load of the turbine falls below a lower limit, the control unit closes the return valve and keeps the opening degree of the dump valve at a specified degree to reduce a flow rate of the heated water flowing in the heater for a predetermined time.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: April 13, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Yuki Nakazawa, Akihiko Saito, Hiroyuki Nakagawa, Ryo Koto
  • Publication number: 20200340598
    Abstract: According to the present invention, there is provided an electromagnetic valve used in a fuel system, in which at least a portion of a member constituting an magnetic circuit in an electromagnetic drive unit includes 0.15-0.45 mass % (inclusive) Ni, 0.65-1.0 mass % (inclusive) Al, 9.2-10.3 mass % (inclusive) Cr, and 0.90-1.6 mass % (inclusive) Mo, and the remainder comprises an alloy material comprising Fe and unavoidable impurities. The alloy material may further include 0.05-0.15 mass % (inclusive) Pb.
    Type: Application
    Filed: August 30, 2018
    Publication date: October 29, 2020
    Inventors: Akihiko SAITO, Takeshi TAKANO, Yu NAKAMA, Satoshi DOI, Takeshi SENOO, Tetsuya AOKI, Masatsune OZAWA, Makoto SAIZEN
  • Publication number: 20200340410
    Abstract: A control device for a gas turbine include: a target value calculation part configured to calculate a control target value being a target value of an output of the gas turbine; and a command value calculation part configured to calculate a fuel command value on the basis of a deviation between the control target value and an actual output value of the gas turbine. The target value calculation part is configured to: set the control target value to a value which is greater than an output demand value of the gas turbine immediately before a difference between the output demand value and the actual output value becomes not greater than a threshold; and subtract the control target value from the value after the difference becomes not greater than the threshold.
    Type: Application
    Filed: April 9, 2019
    Publication date: October 29, 2020
    Inventors: Kazushige TAKAKI, Akihiko SAITO, Ryuji TAKENAKA, Yoshifumi IWASAKI
  • Publication number: 20200309040
    Abstract: An operation control device for a single shaft gas turbine selects an operation mode based on a load state of a power generator, and controls the turbine based on the operation mode. In a first operation mode, a rotational speed of the turbine is maintained within a first rotational speed range, and in a second operation mode, the rotational speed is maintained within a second rotational speed range set on a lower rotational speed side than the first rotational speed range. The second rotational speed range is set on the lower rotational speed side than the first rotational speed range with a first non-selection rotational speed range set therebetween.
    Type: Application
    Filed: November 19, 2019
    Publication date: October 1, 2020
    Inventors: Koichiro IIDA, Akihiko SAITO, Hisanobu SHINODA, Kuniaki AOYAMA
  • Publication number: 20200217252
    Abstract: A flow rate per unit time of fuel fed to a gas turbine is calculated. A flow rate per unit time of air fed to the gas turbine is calculated. A turbine inlet temperature is calculated through use of a physical model formula expressing a relationship of input and output of thermal energy relating to a combustor of the gas turbine. A fuel distribution ratio for each of a plurality of fuel supply systems connected to the combustor is calculated based on the turbine inlet temperature.
    Type: Application
    Filed: October 18, 2018
    Publication date: July 9, 2020
    Inventors: Kazushige TAKAKI, Akihiko SAITO, Ryuji TAKENAKA, Yoshifumi IWASAKI, Koshiro FUKUMOTO