Patents by Inventor Toshifumi Watanabe

Toshifumi Watanabe 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: 20240305279
    Abstract: A data latch circuit according to embodiments described herein includes a first circuit and a second circuit. The first circuit has a first transistor with a first conductivity type and a second transistor with a second conductivity type that differs from the first conductivity type being connected in series and stores a first logical value. The second circuit has a third transistor with the first conductivity type and a fourth transistor with the second conductivity type being connected in series and stores a second logical value being an inversion of the first logical value. The data latch circuit enables one of a first voltage and a second voltage that differs from the first voltage to be applied to back gates of the first transistor and the third transistor and enables a third voltage to be applied to sources of the first transistor and the third transistor.
    Type: Application
    Filed: September 1, 2023
    Publication date: September 12, 2024
    Applicant: Kioxia Corporation
    Inventors: Toshifumi WATANABE, Kiyofumi SAKURAI, Teppei HIGASHITSUJI, Takumi KOSAKI, Eiji KOZUKA
  • Publication number: 20240293567
    Abstract: Desired is development of novel CDN derivatives having STING agonist activity; and a therapeutic agents and/or therapeutic methods using the novel CDN derivatives for diseases associated with STING agonist activity. Further desired is development of a therapeutic agents and/or therapeutic methods capable of delivering the novel CDN derivatives specifically to targeted cells and organs for diseases associated with STING agonist activity. The present invention provides novel CDN derivatives having potent STING agonist activity, and antibody-CDN derivative conjugates including the novel CDN derivatives.
    Type: Application
    Filed: April 22, 2024
    Publication date: September 5, 2024
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Toshifumi TSUDA, Toshiki TABUCHI, Hideaki WATANABE, Hiroyuki KOBAYASHI, Masayuki ISHIZAKI, Kyoko HARA, Teiji WADA, Masami ARAI
  • Publication number: 20240278378
    Abstract: A polishing apparatus that can improve an accuracy of position coordinates associated with a measured value of film thickness is disclosed. The polishing apparatus includes: a pad-thickness measuring device configured to measure a thickness of the polishing pad; an optical film-thickness measuring device configured to emit light obliquely to the substrate, and determine measured values of film thickness at measurement points; and a controller configured to associates the measured values of the film thickness with measurement coordinates indicating positions of the measurement points.
    Type: Application
    Filed: December 18, 2023
    Publication date: August 22, 2024
    Inventors: Yoichi SHIOKAWA, Masaki KINOSHITA, Yuki WATANABE, Toshifumi KIMBA, Keita TANOUE
  • Patent number: 12028068
    Abstract: A semiconductor device includes a first pad, a second pad, a first output driver provided for the first pad and configured to output a first transmission signal to the first pad, a second output driver provided for the second pad and configured to output a second transmission signal to the second pad, a register that stores first and second calibration values, a first reference resistor for the first pad and having a resistance value that is set according to the first calibration value, a second reference resistor for the second pad and having a resistance value that is set according to the second calibration value, a first setting circuit configured to calibrate a resistance value of the first output driver using the first reference resistor, and a second setting circuit configured to calibrate a resistance value of the second output driver using the second reference resistor.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: July 2, 2024
    Assignee: Kioxia Corporation
    Inventors: Fumiya Watanabe, Toshifumi Watanabe, Kazuhiko Satou, Shouichi Ozaki, Kenro Kubota, Atsuko Saeki, Ryota Tsuchiya, Harumi Abe
  • Publication number: 20240097658
    Abstract: A semiconductor device includes a first pad, a second pad, a first output driver provided for the first pad and configured to output a first transmission signal to the first pad, a second output driver provided for the second pad and configured to output a second transmission signal to the second pad, a register that stores first and second calibration values, a first reference resistor for the first pad and having a resistance value that is set according to the first calibration value, a second reference resistor for the second pad and having a resistance value that is set according to the second calibration value, a first setting circuit configured to calibrate a resistance value of the first output driver using the first reference resistor, and a second setting circuit configured to calibrate a resistance value of the second output driver using the second reference resistor.
    Type: Application
    Filed: March 3, 2023
    Publication date: March 21, 2024
    Inventors: Fumiya WATANABE, Toshifumi WATANABE, Kazuhiko SATOU, Shouichi OZAKI, Kenro KUBOTA, Atsuko SAEKI, Ryota TSUCHIYA, Harumi ABE
  • Publication number: 20240075410
    Abstract: There is provided a gas solution supply apparatus capable of preventing bubbles from being generated in use at a point-of-use even if gas solution to be provided to a point-of-use has a high concentration. The gas solution supply apparatus 1 includes: a gas dissolving unit 4 that dissolves a source gas in a source liquid to produce a first gas solution; a first gas-liquid separator 10 that stores the first gas solution produced and produces a second gas solution through gas-liquid separation of the first gas solution; a pressure reducer 17 that depressurizes the second gas solution produced in the first gas-liquid separator 10; and a second gas-liquid separator 12 that stores the depressurized second gas solution and produces a third gas solution through gas-liquid separation of the second gas solution. The third gas solution is supplied to a point-of-use.
    Type: Application
    Filed: August 2, 2023
    Publication date: March 7, 2024
    Inventors: Suguru OZAWA, Yuji ARAKI, Yoichi NAKAGAWA, Toshifumi WATANABE, Risa KIMURA, Ryuta KATO
  • Publication number: 20240079067
    Abstract: A semiconductor memory device includes an output pin configured for connection with a memory controller, an output circuit configured to output through the output pin a voltage signal that changes over time in accordance with one or more bits of data to be output to the memory controller, and a control circuit configured to temporarily change a drive capability of the output circuit each time a voltage signal corresponding to one bit of the data is output through the output pin.
    Type: Application
    Filed: February 28, 2023
    Publication date: March 7, 2024
    Inventors: Shouichi OZAKI, Kazuhiko SATOU, Kenro KUBOTA, Fumiya WATANABE, Atsuko SAEKI, Ryota TSUCHIYA, Harumi ABE, Toshifumi WATANABE
  • Publication number: 20240055057
    Abstract: A semiconductor memory includes a memory cell, a bit line electrically connected to the memory cell, a sense amplifier including a first latch circuit, a first hookup circuit, a second latch circuit, a first wiring, and a first pre-charge circuit. The sense amplifier is in a first circuit area. The first hookup circuit is in a second circuit area and configured to control connection between the bit line and the sense amplifier. The first wiring is connected between the first latch circuit and the second latch circuit. The first pre-charge circuit includes a first transistor in a third circuit area between the first circuit area and the second circuit area. The first transistor has a first end connected to the first wiring at a first position in the third circuit area and a second end connectable to a terminal supplied with one of a pre-charge voltage and a ground voltage.
    Type: Application
    Filed: March 1, 2023
    Publication date: February 15, 2024
    Inventors: Teppei HIGASHITSUJI, Toshifumi WATANABE
  • Publication number: 20240046974
    Abstract: A semiconductor memory device includes a memory cell, a word line connected to the memory cell, a source line connected to the memory cell, a bit line connected to the memory cell, and a control circuit configured to perform a read operation on the memory cell. During the read operation, the control circuit applies to the word line a first voltage, a second voltage greater than the first voltage after applying the first voltage, and a third voltage greater than the first voltage and smaller than the second voltage after applying the second voltage, and applies to the source line a fourth voltage according to a timing at which the second voltage is applied to the word line, a fifth voltage smaller than the fourth voltage after applying the fourth voltage, and a sixth voltage greater than the fifth voltage after applying the fifth voltage.
    Type: Application
    Filed: October 19, 2023
    Publication date: February 8, 2024
    Inventors: Toshifumi WATANABE, Naofumi ABIKO
  • Publication number: 20230420054
    Abstract: A semiconductor memory device according to an embodiment includes a plurality of planes including a plurality of blocks each being a set of memory cells, and a sequencer configured to execute a first operation and a second operation shorter than the first operation. Upon receiving a first command set that instructs execution of the first operation, the sequencer is configured to execute the first operation. Upon receiving a second command set that instructs execution of the second operation while the first operation is being executed, the sequencer is configured to suspend the first operation and execute the second operation or execute the second operation in parallel with the first operation, based on an address of a block that is a target of the first operation and an address of a block that is a target of the second operation.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: Kioxia Corporation
    Inventors: Akio SUGAHARA, Akihiro IMAMOTO, Toshifumi WATANABE, Mami KAKOI, Kohei MASUDA, Masahiro YOSHIHARA, Naofumi ABIKO
  • Patent number: 11842759
    Abstract: A semiconductor memory device includes a memory cell, a word line connected to the memory cell, a source line connected to the memory cell, a bit line connected to the memory cell, and a control circuit configured to perform a read operation on the memory cell. During the read operation, the control circuit applies to the word line a first voltage, a second voltage greater than the first voltage after applying the first voltage, and a third voltage greater than the first voltage and smaller than the second voltage after applying the second voltage, and applies to the source line a fourth voltage according to a timing at which the second voltage is applied to the word line, a fifth voltage smaller than the fourth voltage after applying the fourth voltage, and a sixth voltage greater than the fifth voltage after applying the fifth voltage.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: December 12, 2023
    Assignee: Kioxia Corporation
    Inventors: Toshifumi Watanabe, Naofumi Abiko
  • Patent number: 11810629
    Abstract: A semiconductor memory device includes a memory cell array including a plurality of memory cells, a word line connected to the plurality of memory cells, a plurality of bit lines connected respectively to the plurality of memory cells, a sense amplifier connected to the plurality of bit lines, and a controller configured to execute a write operation in a plurality of program loops each including a program operation and a verify operation. The sense amplifier is configured to apply a first voltage, a second voltage higher than the first voltage, a third voltage higher than the second voltage, and a fourth voltage higher than the third voltage to first, second, third, and fourth bit lines of the plurality of bit lines, respectively, while a program voltage is applied to the word line in the program operation.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: November 7, 2023
    Assignee: Kioxia Corporation
    Inventors: Takeshi Hioka, Toshifumi Watanabe
  • Patent number: 11783899
    Abstract: A semiconductor memory device according to an embodiment includes a plurality of planes including a plurality of blocks each being a set of memory cells, and a sequencer configured to execute a first operation and a second operation shorter than the first operation. Upon receiving a first command set that instructs execution of the first operation, the sequencer is configured to execute the first operation. Upon receiving a second command set that instructs execution of the second operation while the first operation is being executed, the sequencer is configured to suspend the first operation and execute the second operation or execute the second operation in parallel with the first operation, based on an address of a block that is a target of the first operation and an address of a block that is a target of the second operation.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: October 10, 2023
    Assignee: Kioxia Corporation
    Inventors: Akio Sugahara, Akihiro Imamoto, Toshifumi Watanabe, Mami Kakoi, Kohei Masuda, Masahiro Yoshihara, Naofumi Abiko
  • Publication number: 20230317184
    Abstract: A semiconductor memory device includes a memory cell array including a plurality of memory cells, a word line connected to the plurality of memory cells, a plurality of bit lines connected respectively to the plurality of memory cells, a sense amplifier connected to the plurality of bit lines, and a controller configured to execute a write operation in a plurality of program loops each including a program operation and a verify operation. The sense amplifier is configured to apply a first voltage, a second voltage higher than the first voltage, a third voltage higher than the second voltage, and a fourth voltage higher than the third voltage to first, second, third, and fourth bit lines of the plurality of bit lines, respectively, while a program voltage is applied to the word line in the program operation.
    Type: Application
    Filed: August 31, 2022
    Publication date: October 5, 2023
    Inventors: Takeshi HIOKA, Toshifumi WATANABE
  • Patent number: 11648515
    Abstract: A gas solution manufacturing device 1 includes a gas supply line 2 configured to supply a gas as a raw material of a gas solution, a liquid supply line 3 configured to supply a liquid as a raw material of the gas solution, a gas solution production unit 4 configured to mix the gas and the liquid together to produce the gas solution, a gas-liquid separation unit 5 configured to perform gas-liquid separation of the produced gas solution into a supplied liquid to be supplied to a use point and a discharged gas to be discharged through an exhaust port, and a gas dissolving unit 6 provided in the liquid supply line 4 and configured to dissolve the discharged gas resulting from the gas-liquid separation in the liquid. The gas dissolving unit 6 is configured with a hollow fiber membrane configured with a gas permeable membrane.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: May 16, 2023
    Assignee: EBARA CORPORATION
    Inventors: Suguru Ozawa, Yuji Araki, Yoichi Nakagawa, Toshifumi Watanabe
  • Patent number: 11584669
    Abstract: A gas dissolved liquid manufacturing device includes: a pump configured to pressurize a liquid; a pipe communicating with the pump; a nozzle disposed in the pipe, the nozzle being configured to generate micro bubbles using a supplied gas; and a gas-liquid separation tank whose upper part communicates with the pipe, the gas-liquid separation tank being configured to separate a gas-liquid mixture generated by the nozzle into a gas and a liquid.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: February 21, 2023
    Assignee: EBARA CORPORATION
    Inventors: Yoichi Nakagawa, Suguru Ozawa, Yuji Araki, Toshifumi Watanabe
  • Publication number: 20230052383
    Abstract: A semiconductor memory device according to an embodiment includes a plurality of planes including a plurality of blocks each being a set of memory cells, and a sequencer configured to execute a first operation and a second operation shorter than the first operation. Upon receiving a first command set that instructs execution of the first operation, the sequencer is configured to execute the first operation. Upon receiving a second command set that instructs execution of the second operation while the first operation is being executed, the sequencer is configured to suspend the first operation and execute the second operation or execute the second operation in parallel with the first operation, based on an address of a block that is a target of the first operation and an address of a block that is a target of the second operation.
    Type: Application
    Filed: October 26, 2022
    Publication date: February 16, 2023
    Applicant: Kioxia Corporation
    Inventors: Akio SUGAHARA, Akihiro IMAMOTO, Toshifumi WATANABE, Mami KAKOI, Kohei MASUDA, Masahiro YOSHIHARA, Naofumi ABIKO
  • Patent number: 11532363
    Abstract: A semiconductor memory device according to an embodiment includes a plurality of planes including a plurality of blocks each being a set of memory cells, and a sequencer configured to execute a first operation, and a second operation shorter than the first operation. Upon receiving a first command set that instructs execution of the first operation, the sequencer is configured to execute the first operation. Upon receiving a second command set that instructs execution of the second operation while the first operation is being executed, the sequencer is configured to suspend the first operation and execute the second operation or execute the second operation in parallel with the first operation, based on an address of a block that is a target of the first operation and an address of a block that is a target of the second operation.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: December 20, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Akio Sugahara, Akihiro Imamoto, Toshifumi Watanabe, Mami Kakoi, Kohei Masuda, Masahiro Yoshihara, Naofumi Abiko
  • Publication number: 20220358991
    Abstract: A semiconductor memory device includes a memory cell, a word line connected to the memory cell, a source line connected to the memory cell, a bit line connected to the memory cell, and a control circuit configured to perform a read operation on the memory cell. During the read operation, the control circuit applies to the word line a first voltage, a second voltage greater than the first voltage after applying the first voltage, and a third voltage greater than the first voltage and smaller than the second voltage after applying the second voltage, and applies to the source line a fourth voltage according to a timing at which the second voltage is applied to the word line, a fifth voltage smaller than the fourth voltage after applying the fourth voltage, and a sixth voltage greater than the fifth voltage after applying the fifth voltage.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Inventors: Toshifumi WATANABE, Naofumi ABIKO
  • Patent number: 11430502
    Abstract: A semiconductor memory device includes a memory cell, a word line connected to the memory cell, a source line connected to the memory cell, a bit line connected to the memory cell, and a control circuit configured to perform a read operation on the memory cell. During the read operation, the control circuit applies to the word line a first voltage, a second voltage greater than the first voltage after applying the first voltage, and a third voltage greater than the first voltage and smaller than the second voltage after applying the second voltage, and applies to the source line a fourth voltage according to a timing at which the second voltage is applied to the word line, a fifth voltage smaller than the fourth voltage after applying the fourth voltage, and a sixth voltage greater than the fifth voltage after applying the fifth voltage.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: August 30, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Toshifumi Watanabe, Naofumi Abiko