Patents by Inventor Masahiko Seki

Masahiko Seki 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: 20240217986
    Abstract: It is an object to provide a high-yield production method of a hydroxythienoimidazole derivative, a vinyl sulfide derivative, an n-butylidene sulfide derivative, and a thienoimidazole derivative substituted with a straight-chain saturated hydrocarbon, and, in order to achieve the object, a production method according to one embodiment includes a step of mixing a thiolactone derivative represented by formula (I) with a Grignard reagent represented by formula (1) or (2) in the presence of a copper salt to obtain a hydroxythienoimidazole derivative represented by formula (II) or (IV).
    Type: Application
    Filed: June 10, 2022
    Publication date: July 4, 2024
    Applicant: TOKUYAMA CORPORATION
    Inventors: Masahiko SEKI, Kazushi MASHIMA, Hayato TSURUGI, Daiki KATO
  • Patent number: 12018007
    Abstract: An object is to provide a method for producing a compound which is useful as a synthetic intermediate for an active pharmaceutical ingredient of an antidiabetic drug or the like in an industrially inexpensive and efficient manner, and the present invention can achieve the object by reducing a compound (2) represented by the following formula (2): wherein R1, Ar, n and X are as mentioned herein in the presence of a titanium compound by using a reducing agent to produce a compound (1) represented by the following formula (1): wherein R1, Ar and n are the same as defined above.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: June 25, 2024
    Assignee: Tokuyama Corporation
    Inventor: Masahiko Seki
  • Patent number: 11946910
    Abstract: Provided are a stable triazolinedione adduct, a method for producing the same, a method for producing an ene compound, and a method for analyzing an ene compound. A triazolinedione adduct that is stable until the time of use and can be reacted while reverting to a triazolinedione compound at the time of use. Specifically, a triazolinedione adduct represented by formula (1). (In the formula, R1 is an organic group, and A is a fused ring of three or more rings including at least one aromatic ring.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: April 2, 2024
    Assignees: Tokuyama Corporation, Jeol Ltd.
    Inventors: Masahiko Seki, Seketsu Fukuzawa, Masaki Takiwaki
  • Publication number: 20240025873
    Abstract: An object of the present invention is to provide a novel method for producing a ketone derivative, and more specifically, a method for producing a ketone derivative (I) represented by formula (I), including mixing a thioester derivative (II) represented by formula (II), a Grignard reagent (III) represented by formula (III) and a copper salt to form a ketone derivative (I).
    Type: Application
    Filed: October 1, 2021
    Publication date: January 25, 2024
    Applicants: TOKUYAMA CORPORATION, OSAKA UNIVERSITY
    Inventors: Masahiko SEKI, Kazushi MASHIMA, Hayato TSURUGI, Daiki KATO, Tomoya MURASE, Jalindar Bhausaheb TALODE
  • Patent number: 11789606
    Abstract: An information processing device improves hygiene while minimizing any reduction in icon operating convenience, and comprises: an authentication result acquiring unit that acquires authentication results of a user who operates the device; a display unit displaying one or more operation icons; a touch input detecting unit detecting a touch operation on an operation icon displayed on the display unit; a touch position history recording unit detecting the touched position in the touch operation and records the touched position as a historical record in a predetermined storage unit; a screen generating unit generating a screen to be displayed on the display unit; and an icon position changing unit changing the position of the operation icon on the screen based on the history of the touched position when there is a change in the user identified in the authentication results obtained by the authentication result acquiring unit.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: October 17, 2023
    Assignee: FAURECIA CLARION ELECTRONICS CO., LTD.
    Inventors: Kenji Takeuchi, Masahiko Seki, Yuichiro Nakagawa, Hiroe Ushio, Miku Nagatsuka
  • Publication number: 20230067058
    Abstract: An information processing device improves hygiene while minimizing any reduction in icon operating convenience, and comprises: an authentication result acquiring unit that acquires authentication results of a user who operates the device; a display unit displaying one or more operation icons; a touch input detecting unit detecting a touch operation on an operation icon displayed on the display unit; a touch position history recording unit detecting the touched position in the touch operation and records the touched position as a historical record in a predetermined storage unit; a screen generating unit generating a screen to be displayed on the display unit; and an icon position changing unit changing the position of the operation icon on the screen based on the history of the touched position when there is a change in the user identified in the authentication results obtained by the authentication result acquiring unit.
    Type: Application
    Filed: August 10, 2022
    Publication date: March 2, 2023
    Applicant: Faurecia Clarion Electronics Co., Ltd.
    Inventors: Kenji TAKEUCHI, Masahiko SEKI, Yuichiro NAKAGAWA, Hiroe USHIO, Miku NAGATSUKA
  • Publication number: 20220090934
    Abstract: A guide generation method performed by a computer includes: a vehicle information acquisition step of acquiring vehicle information including a current position and an appearance feature of a vehicle; a guide point determination step of determining a guide point located on a scheduled traveling route of the vehicle, based on the vehicle information and map information; a mark vehicle determination step of determining a mark vehicle, among vehicles traveling around a target vehicle, from one or more candidate vehicles that make a turn at the same guide point in the same direction as the guide point and a direction of the target vehicle; and a guide information generation step of generating guide information that includes the appearance feature of the mark vehicle and a positional relationship between the target vehicle and the mark vehicle, and that guides a turn at the guide point with the mark vehicle as a marker.
    Type: Application
    Filed: September 20, 2021
    Publication date: March 24, 2022
    Applicant: Faurecia Clarion Electronics Co., Ltd.
    Inventors: Kenji TAKEUCHI, Masahiko SEKI, Miku NAGATSUKA
  • Publication number: 20210253587
    Abstract: Provided are a stable triazolinedione adduct, a method for producing the same, a method for producing an ene compound, and a method for analyzing an ene compound. A triazolinedione adduct that is stable until the time of use and can be reacted while reverting to a triazolinedione compound at the time of use. Specifically, a triazolinedione adduct represented by formula (1). (In the formula, R1 is an organic group, and A is a fused ring of three or more rings including at least one aromatic ring.
    Type: Application
    Filed: June 11, 2019
    Publication date: August 19, 2021
    Applicants: TOKUYAMA CORPORATION, JEOL Ltd.
    Inventors: Masahiko SEKI, Seketsu FUKUZAWA, Masaki TAKIWAKI
  • Publication number: 20210246108
    Abstract: Provided is a method for producing an ?-azidoaniline derivative or an ?,??-diazide derivative using an aniline derivative as a starting material that includes a method for producing an ?-azidoaniline derivative or an ?,??-diazide derivative represented by Formula (2), including the step of: contacting an aniline derivative represented by Formula (1) with an azidating agent in presence of water, a persulfate, and a copper compound.
    Type: Application
    Filed: June 12, 2019
    Publication date: August 12, 2021
    Inventor: Masahiko Seki
  • Publication number: 20210198231
    Abstract: An object is to provide a method for producing a compound which is useful as a synthetic intermediate for an active pharmaceutical ingredient of an antidiabetic drug or the like in an industrially inexpensive and efficient manner, and the present invention can achieve the object by reducing a compound (2) represented by the following formula (2): wherein R1, Ar, n and X are as mentioned herein in the presence of a titanium compound by using a reducing agent to produce a compound (1) represented by the following formula (1): wherein R1, Ar and n are the same as defined above.
    Type: Application
    Filed: May 30, 2019
    Publication date: July 1, 2021
    Applicant: Tokuyama Corporation
    Inventor: Masahiko SEKI
  • Publication number: 20200392090
    Abstract: Provided are a method for separating a DAPTAD-containing triazolinedione compound in solid form from a reaction solution, a separated solid triazolinedione compound, and a novel method for producing a triazolinedione compound. A triazolinedione solution in which a DAPTAD-containing triazolinedione compound is dissolved is brought into contact with a C5-15 hydrocarbon-based poor solvent to obtain a solid triazolinedione compound. Also, a triazolinedione compound is oxidized using an oxidizing agent that does not produce acid as a byproduct to obtain a triazolinedione compound.
    Type: Application
    Filed: June 11, 2019
    Publication date: December 17, 2020
    Applicants: TOKUYAMA CORPORATION, JEOL Ltd.
    Inventors: Masahiko SEKI, Seketsu FUKUZAWA, Masaki TAKIWAKI
  • Patent number: 10771882
    Abstract: Implementations generally relate to a user interface for an earbud device. In some implementations, a method includes detecting contact of a finger of a user on a touch user interface of an earbud device. The method further includes determining a contact pattern based on movement of the finger on the touch user interface. The method further includes mapping the contact pattern to a predetermined command. The method further includes executing the predetermined command based on the mapping.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: September 8, 2020
    Assignee: SONY CORPORATION
    Inventors: Andrew Estrada, Masahiko Seki, Haruhiko Kaneko, Hidetoshi Kurihara, Masahiro Shimizu
  • Patent number: 10689349
    Abstract: In the method, a trione compound represented by the following formula (1) is (i) reduced by NaAlH2(OCH2CH2OCH3)2 and subsequently further reduced by a metal borohydride salt, or (ii) reduced by calcium borohydride, thereby producing an amide alcohol compound represented by the following formula (3) (wherein, R1 and R2 may be the same or different and each represents a hydrogen atom or a protecting group of an ureylene group; R4 represents an alkyl group, an aralkyl group, or an aryl group; and each of R5, R6, and R7 represents a hydrogen atom, an alkyl group, an alkoxy group, or a halogen atom).
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: June 23, 2020
    Assignee: Tokuyama Corporation
    Inventors: Fumiaki Iwasaki, Hiromasa Yamamoto, Kenji Tanaka, Masahiko Seki, Yoshiki Seike
  • Publication number: 20190382352
    Abstract: In the method, a trione compound represented by the following formula (1) is (i) reduced by NaAlH2(OCH2CH2OCH3)2 and subsequently further reduced by a metal borohydride salt, or (ii) reduced by calcium borohydride, thereby producing an amide alcohol compound represented by the following formula (3) (wherein, R1 and R2 may be the same or different and each represents a hydrogen atom or a protecting group of an ureylene group; R4 represents an alkyl group, an aralkyl group, or an aryl group; and each of R5, R6, and R7 represents a hydrogen atom, an alkyl group, an alkoxy group, or a halogen atom).
    Type: Application
    Filed: July 26, 2017
    Publication date: December 19, 2019
    Applicant: Tokuyama Corporation
    Inventors: Fumiaki IWASAKI, Hiromasa YAMAMOTO, Kenji TANAKA, Masahiko SEKI, Yoshiki SEIKE
  • Publication number: 20190373356
    Abstract: Implementations generally relate to a user interface for an earbud device. In some implementations, a method includes detecting contact of a finger of a user on a touch user interface of an earbud device. The method further includes determining a contact pattern based on movement of the finger on the touch user interface. The method further includes mapping the contact pattern to a predetermined command. The method further includes executing the predetermined command based on the mapping.
    Type: Application
    Filed: August 31, 2018
    Publication date: December 5, 2019
    Applicant: Sony Corporation
    Inventors: Andrew Estrada, Masahiko Seki, Haruhiko Kaneko, Hidetoshi Kurihara, Masahiro Shimizu
  • Patent number: 10289272
    Abstract: A portable media player communicates with a host computer for enabling a user of the player to manage media distribution using the control software of the host computer. The host computer can send a GUI that is displayed on the otherwise “dumb” player, and the user can view the GUI and press a single button to command the control software to download a media title to the player. The host computer can periodically poll the player to determine its status.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: May 14, 2019
    Assignee: Sony Corporation
    Inventors: Cristian Lars Almstrand, Prem Aanand Venkatesan, Hiroyuki Shinkai, Hirokazu Imazeki, Masahiko Seki
  • Patent number: 9624181
    Abstract: The invention provides a production method of a biaryl compound of the formula [3] or a salt thereof, including reacting a 2-phenylazole derivative of the formula [1] or a salt thereof, with a benzene derivative of the formula [2] or a salt thereof in the presence of a metal catalyst, a base, and one or more of (a) a monocarboxylic acid metal salt, (b) a dicarboxylic acid metal salt, (c) a sulfonic acid metal salt, and (d) a phosphate or phosphoric amide metal salt represented by RAxP(O)(OM)y wherein each symbol is as defined herein.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: April 18, 2017
    Assignee: API Corporation
    Inventor: Masahiko Seki
  • Patent number: 9527821
    Abstract: The present invention relates to a method of deprotecting a tetrazole compound, useful as an intermediate for angiotensin II receptor blockers, and provides a novel production method of angiotensin II receptor blockers. Provided is a production method of a compound represented by the formula [3] or [4] or a salt thereof, including (i) reducing a compound represented by the formula [1] or [2] or a salt thereof in the presence of a metal catalyst and an alkaline earth metal salt, or (ii) reacting the compound with a particular amount of Brønsted acid: wherein each symbol is as defined in the present specification.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: December 27, 2016
    Assignee: API Corporation
    Inventor: Masahiko Seki
  • Publication number: 20160246462
    Abstract: A portable media player communicates with a host computer for enabling a user of the player to manage media distribution using the control software of the host computer. The host computer can send a GUI that is displayed on the otherwise “dumb” player, and the user can view the GUI and press a single button to command the control software to download a media title to the player. The host computer can periodically poll the player to determine its status.
    Type: Application
    Filed: May 4, 2016
    Publication date: August 25, 2016
    Inventors: Cristian Lars Almstrand, Prem Aanand Venkatesan, Hiroyuki Shinkai, Hirokazu Imazeki, Masahiko Seki
  • Patent number: 9354787
    Abstract: A portable media player communicates with a host computer for enabling a user of the player to manage media distribution using the control software of the host computer. The host computer can send a GUI that is displayed on the otherwise “dumb” player, and the user can view the GUI and press a single button to command the control software to download a media title to the player. The host computer can periodically poll the player to determine its status.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: May 31, 2016
    Assignees: Sony Corporation, Sony Electronics Inc.
    Inventors: Cristian Lars Almstrand, Prem Aanand Venkatesan, Hiroyuki Shinkai, Hirokazu Imazeki, Masahiko Seki