Patents by Inventor Takashi Mitsui

Takashi Mitsui 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: 20210297308
    Abstract: A communication device including a first communication device and a plurality of second communication devices in an optical access system in which a first communication device and the plurality of second communication devices perform communications with each other under a time division multiple access scheme includes an Ethernet controller configured to implement the communications as Ethernet (registered trademark) communications, and a link failure processing unit configured to output, in response to reception of a link failure notification for notifying occurrence of a link failure in the communications from the first communication device, a termination instruction to terminate data transmission when the communication device is performing the data transmission to the first communication device, and a start instruction to start the data transmission after recovery from the link failure when the communication device is not performing the data transmission to the first communication device.
    Type: Application
    Filed: July 5, 2019
    Publication date: September 23, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takamitsu TOCHINO, Takashi MITSUI, Tomoya HATANO
  • Publication number: 20210168475
    Abstract: An optical line terminal is provided with: an absorption unit that acquires first information of a type and a format that are dependent on a communication scheme and that converts the acquired first information into second information of a type and a format that are common to mutually different communication schemes; and a bandwidth allocation unit that determines bandwidth allocation of an upstream signal allocated to an optical network unit on the basis of the second information.
    Type: Application
    Filed: June 6, 2019
    Publication date: June 3, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Keita NISHIMOTO, Takashi MITSUI, Tomoya HATANO
  • Publication number: 20210168022
    Abstract: A first communication device in an optical access system in which the first communication device and a plurality of second communication devices communicate through a time division multiple access scheme includes: an Ethernet (registered trademark) controller configured to implement a communication as an Ethernet communication; a link failure detection unit configured to detect, when the plurality of second communication devices perform an initial connection to a network in the optical access system, whether a link failure has occurred based on collision detection of an optical signal transmitted by each of the plurality of second communication devices; and a signal processing unit configured to output, when the link failure detection unit detects that the link failure has not occurred, an initial connection start notification for causing initiation of a processing of the initial connection.
    Type: Application
    Filed: June 25, 2019
    Publication date: June 3, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takamitsu TOCHINO, Takashi MITSUI, Tomoya HATANO
  • Publication number: 20210051382
    Abstract: Transmitting devices used in an optical access system in which a plurality of the transmitting devices transmit an optical burst signal to a receiving device by time division multiple access, the transmitting devices each including an arithmetic processing unit, the arithmetic processing unit including: a data signal transmission instruction unit, the a data signal transmission instruction unit that outputs a first instruction for controlling transmission processing of a data signal on the basis of a requester's instruction; an optical signal control instruction unit that outputs a second instruction for controlling output processing of an optical signal on the basis of the requester's instruction; and an instruction output adjustment unit that adjusts a timing at which the first instruction is output and a timing at which the second instruction is output.
    Type: Application
    Filed: February 21, 2019
    Publication date: February 18, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takamitsu TOCHINO, Takashi MITSUI, Kota ASAKA, Tomoya HATANO
  • Publication number: 20200273546
    Abstract: A method for searching for a compound having a interaction with a target molecule includes growing a base fragment molecule and obtaining a grown molecule by performing molecular dynamics calculation using a reactive force field and bonding an atom to the base fragment molecule at a binding site of the target molecule.
    Type: Application
    Filed: January 14, 2020
    Publication date: August 27, 2020
    Applicant: FUJITSU LIMITED
    Inventor: Takashi MITSUI
  • Patent number: 9276670
    Abstract: A self-diagnostic method for PON protection system, in which optical switch-related failure can be previously inspected, and a PON protection system.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: March 1, 2016
    Assignee: Nippon Telegraoh and Telephone Corporation
    Inventors: Youichi Fukada, Takashi Mitsui, Takeshi Sakamoto, Naoto Yoshimoto, Yasutaka Kimura
  • Publication number: 20150321869
    Abstract: A transfer tool is provided with a grip member which can be gripped so that its axis is perpendicular to a transfer target surface or is inclined toward a direction of movement during transfer, a rotor which is held in the grip member and is able to rotate around the axis, and a transfer head which is held on the rotor with a transfer end deviated from the axis in a direction opposite to the direction of movement during transfer. The transfer tool is configured so that the transfer head can flexibly track the transfer target surface.
    Type: Application
    Filed: November 21, 2013
    Publication date: November 12, 2015
    Applicant: KOKUYO S&T Co., Ltd.
    Inventors: Keiji KAI, Takashi MITSUI, Megumi SASAYA, Hideto SHIMA
  • Patent number: 9179204
    Abstract: A normal system OSU, a redundancy system OSU, an optical switch, a concentration switch, and a controller which detects a command input by operation control and performs control according to the command are provided, and in such a state that the controller detects a redundancy system switching command indicating that the normal system OSU is switched to the redundancy system OSU, the controller induces the concentration switch to change a storage destination of a down signal, instructs the normal system OSU which is the switching source OSU to stop transmission of a transmission permission message, instructs the optical switch to switch a path after receiving remaining data processing completion notifications from the concentration switch and the normal system OSU which is the switching source OSU, writes accumulated information about the normal system OSU, which is the switching source OSU, in the redundancy system OSU, and notifies the concentration switch of completion of switching, whereby a down signal i
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: November 3, 2015
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takashi Mitsui, Youichi Fukada, Takeshi Sakamoto, Naoto Yoshimoto
  • Publication number: 20150003822
    Abstract: A self-diagnostic method for PON protection system, in which optical switch-related failure can be previously inspected, and a PON protection system.
    Type: Application
    Filed: November 15, 2012
    Publication date: January 1, 2015
    Inventors: Youichi Fukada, Takashi Mitsui, Takeshi Sakamoto, Naoto Yoshimoto, Yasutaka Kimura
  • Publication number: 20140219654
    Abstract: A normal system OSU, a redundancy system OSU, an optical switch, a concentration switch, and a controller which detects a command input by operation control and performs control according to the command are provided, and in such a state that the controller detects a redundancy system switching command indicating that the normal system OSU is switched to the redundancy system OSU, the controller induces the concentration switch to change a storage destination of a down signal, instructs the normal system OSU which is the switching source OSU to stop transmission of a transmission permission message, instructs the optical switch to switch a path after receiving remaining data processing completion notifications from the concentration switch and the normal system OSU which is the switching source OSU, writes accumulated information about the normal system OSU, which is the switching source OSU, in the redundancy system OSU, and notifies the concentration switch of completion of switching, whereby a down signal i
    Type: Application
    Filed: October 12, 2012
    Publication date: August 7, 2014
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takashi Mitsui, Youichi Fukada, Takeshi Sakamoto, Naoto Yoshimoto
  • Patent number: 8631849
    Abstract: A transfer tool A in the present preferred embodiment is provided with a refill 3 including a reel section 31 for holding a transfer tape T therein, a transfer head 35 capable of transferring a transferring material attached to the transfer tape T onto a transfer target, and a support plate 34 having the reel section 31 fixed thereto and being integrated with a base end 351 of the transfer head 35, wherein a engaging section 5 capable of prohibiting a relative turn between the base end 351 and each of a first case member 1 and a second case member 2 is provided between the base end 351 and each of the first case member 1 and the second case member 2.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: January 21, 2014
    Assignee: Kokuyo Co., Ltd.
    Inventors: Keiji Kai, Takashi Mitsui, Hideto Shima
  • Patent number: 8181687
    Abstract: To provide a transfer tool that can be preferably used without a table such as a desk and can easily carry out the transfer operation in any places, the transfer tool includes a transfer tool main body (1) and a transferred object receiver (2) that is accompanied by the transfer tool main body (1), wherein an insertion space (AS) in which a paper slip (P) can be inserted is formed between the transfer tool main body (1) and the transferred object receiver (2); a transfer head (H) is positioned so that at least a transfer face (RTa) of the transfer head (H) is exposed in the insertion space (AS); and a tape glue (T) is transferred on the paper slip (P) by slidably moving the transfer face (RTa) in a predetermined transfer direction while bringing the transfer face (RTa) into contact with the paper slip (P) with the paper slip (P) inserted in the insertion space (AS) and the paper slip (P) sandwiched between the transfer tool main body (1) and the transferred object receiver (2).
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: May 22, 2012
    Assignee: Kokuyo Co., Ltd.
    Inventors: Takashi Mitsui, Kinya Matsushita
  • Patent number: 7737161
    Abstract: The present invention provides a condensed furan compound of the formula (I): wherein Ring X is benzene, pyridine, or the like; Y is an optionally substituted amino, an optionally substituted cycloalkyl, an optionally substituted aryl, an optionally substituted saturated heterocyclic group, an optionally substituted unsaturated heterocyclic group; A is a single bond, lower alkylene, lower alkenylidene, lower alkenylene or an oxygen atom; R3 is hydrogen or the like; and, R4 is hydrogen, or the like, or pharmaceutically acceptable salts thereof, which is useful as a medicament, particularly, as an activated blood coagulation factor X inhibitor.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: June 15, 2010
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Takayuki Kawaguchi, Hidenori Akatsuka, Toru Iijima, Tatsuya Watanabe, Jun Murakami, Takashi Mitsui
  • Publication number: 20100116440
    Abstract: A transfer tool A in the present preferred embodiment is provided with a refill 3 including a reel section 31 for holding a transfer tape T therein, a transfer head 35 capable of transferring a transferring material attached to the transfer tape T onto a transfer target, and a support plate 34 having the reel section 31 fixed thereto and being integrated with a base end 351 of the transfer head 35, wherein a engaging section 5 capable of prohibiting a relative turn between the base end 351 and each of a first case member 1 and a second case member 2 is provided between the base end 351 and each of the first case member 1 and the second case member 2.
    Type: Application
    Filed: June 5, 2008
    Publication date: May 13, 2010
    Inventors: Keiji Kai, Takashi Mitsui, Hideto Shima
  • Patent number: 7703715
    Abstract: A transfer tool of the present invention comprises a pair of cases, and a hinge which connects the cases such that they can relatively move between a use position and an open position, wherein an outer edge of one of the first and second cases is provided outward of the hinge, a portion of the one case located outward of the hinge and an outer edge of a portion in the vicinity of the portion of the one case located outward of the hinge as a hinge corresponding portion are continuous with an outer edge of another portion of the one case, and a hinge corresponding portion of the other case is provided with an retraction space which can receive the hinge corresponding portion of the one case.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: April 27, 2010
    Assignee: Kokuyo Co., Ltd.
    Inventors: Shuji Kinugasa, Hideto Shima, Takashi Mitsui
  • Publication number: 20090209511
    Abstract: The present invention provides a benzofuran derivative of the formula [1]: wherein x is a group of the formula: —N? or —CH?; Y is an optionally substituted amino group, an optionally substituted cycloalkyl group or an optionally substituted saturated heterocyclic group; A is a single bond, a carbon chain optionally having a double bond within or at the end(s) of the chain, or an oxygen atom; R1 is a hydrogen atom or a halogen atom; Ring B is an optionally substituted benzene ring; and R3 is a hydrogen atom, or a pharmaceutically acceptable salt thereof, which is useful as a medicament, especially as an activated blood coagulation factor X inhibitor.
    Type: Application
    Filed: March 24, 2009
    Publication date: August 20, 2009
    Inventors: Takayuki Kawaguchi, Hidenori Akatsuka, Toru Iijima, Yasunori Tsuboi, Takashi Mitsui, Jun Murakami
  • Publication number: 20090156803
    Abstract: The present invention provides a condensed furan compound of the formula (I): wherein Ring X is benzene, pyridine, or the like; Y is an optionally substituted amino, an optionally substituted cycloalkyl, an optionally substituted aryl, an optionally substituted saturated heterocyclic group, an optionally substituted unsaturated heterocyclic group; A is a single bond, lower alkylene, lower alkenylidene, lower alkenylene or an oxygen atom; R3 is hydrogen or the like; and, R4 is hydrogen, or the like, or pharmaceutically acceptable salts thereof, which is useful as a medicament, particularly, as an activated blood coagulation factor X inhibitor.
    Type: Application
    Filed: January 29, 2009
    Publication date: June 18, 2009
    Inventors: Takayuki Kawaguchi, Hidenori Akatsuka, Toru Iijima, Tatsuya Watanabe, Jun Murakami, Takashi Mitsui
  • Patent number: 7531537
    Abstract: The present invention provides a benzofuran derivative of the formula [1]: wherein x is a group of the formula: —N? or —CH?; Y is an optionally substituted amino group, an optionally substituted cycloalkyl group or an optionally substituted saturated heterocyclic group; A is a single bond, a carbon chain optionally having a double bond within or at the end(s) of the chain, or an oxygen atom; R1 is a hydrogen atom or a halogen atom; Ring B is an optionally substituted benzene ring; and R3 is a hydrogen atom, or a pharmaceutically acceptable salt thereof, which is useful as a medicament, especially as an activated blood coagulation factor X inhibitor.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: May 12, 2009
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Takayuki Kawaguchi, Hidenori Akatsuka, Toru Iijima, Yasunori Tsuboi, Takashi Mitsui, Jun Murakami
  • Patent number: 7514449
    Abstract: The present invention provides a condensed furan compound of the formula (I): wherein Ring X is benzene, pyridine, or the like; Y is an optionally substituted amino, an optionally substituted cycloalkyl, an optionally substituted aryl, an optionally substituted saturated heterocyclic group, an optionally substituted unsaturated heterocyclic group; A is a single bond, lower alkylene, lower alkenylidene, lower alkenylene or an oxygen atom; R3 is hydrogen or the like; and, R4 is hydrogen, or the like, or pharmaceutically acceptable salts thereof, which is useful as a medicament, particularly, as an activated blood coagulation factor X inhibitor.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: April 7, 2009
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Takayuki Kawaguchi, Hidenori Akatsuka, Toru Iijima, Tatsuya Watanabe, Jun Murakami, Takashi Mitsui
  • Patent number: D645513
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: September 20, 2011
    Assignee: Kokuyo Co., Ltd.
    Inventors: Takashi Mitsui, Hideto Shima