Patents by Inventor Toshio Nakata
Toshio Nakata 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).
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Publication number: 20240085278Abstract: According to one embodiment, an anomaly detection apparatus includes a processing circuit. The processing circuit is configured to: acquire measured values from sensors installed in a system, a first function, a first threshold, and a second function to output a second threshold; generate the predicted values based on the measured value and the first function; detect that a deviation between the measured values and the predicted values exceeds the first threshold; calculate the feature quantities based on the measured values; and determine whether a number of consecutive times is equal to or larger than the second threshold to detect an anomaly or a sign of the anomaly.Type: ApplicationFiled: February 24, 2023Publication date: March 14, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Yasunori TAGUCHI, Kouta NAKATA, Susumu NAITO, Yuichi KATO, Shinya TOMINAGA, Naoyuki TAKADO, Ryota MIYAKE, Yusuke TERAKADO, Toshio AOKI
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Patent number: 11820146Abstract: A waste liquid container includes an accommodation chamber including an opening that is open upward of the waste liquid container in a mounted state where the waste liquid container is mounted in the mounting portion, the accommodation chamber being configured to accommodate the liquid, and a contact portion provided at a surface that intersect with a bottom surface and an upper surface of the waste liquid container, the contact portion being configured to contact a horizontal plane and set a posture of the accommodation chamber with respect to the horizontal plane in a placement state where the waste liquid container is placed at the horizontal plane with the surface facing downward, wherein in the placement state, an inner surface is in an inclined state where the bottom surface is lower than the upper surface, the inner surface serving as a lower surface of the accommodation chamber.Type: GrantFiled: September 2, 2021Date of Patent: November 21, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Masaki Uchiyama, Toshio Nakata
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Patent number: 11724512Abstract: A liquid circulation mechanism includes a first storage portion configured to store liquid to be supplied to a liquid discharging head, a second storage portion configured to store the liquid collected from the liquid discharging head, a third storage portion configured to store the liquid between the second storage portion and the first storage portion, a first check valve allowing flow of the liquid from the second storage portion to the third storage portion while regulating flow of the liquid from the third storage portion to the second storage portion, in the second collection flow path, and a second check valve allowing flow of the liquid from the third storage portion to the first storage portion while regulating flow of the liquid from the first storage portion to the third storage portion, in the third collection flow path.Type: GrantFiled: January 27, 2022Date of Patent: August 15, 2023Assignee: Seiko Epson CorporationInventors: Toshio Nakata, Yuichi Urabe, Hisashi Sato, Sawako Tsujimura, Shinji Hirata, Yoshiaki Kishii
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Patent number: 11724513Abstract: A liquid circulation mechanism includes a supply flow path making a liquid supply source and a liquid discharging head communicate with each other and a collection flow path making the liquid discharging head and a connection portion of the supply flow path communicate with each other, in which a branch portion, a plurality of flow paths branched at the branch portion, and a merging portion, in which the plurality of flow paths are merged, are provided in at least one of the supply flow path and the collection flow path. Pressure adjustment portions, which are provided in the plurality of flow paths and open the flow paths when a pressure on the liquid discharging head side is equal to a predetermined pressure, have different the predetermined pressures for opening the flow paths in the plurality of flow paths.Type: GrantFiled: January 26, 2022Date of Patent: August 15, 2023Assignee: Seiko Epson CorporationInventors: Toshio Nakata, Yuichi Urabe, Kazushi Arafuka, Yuki Shiohara, Munechika Otsuru
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Patent number: 11623443Abstract: A liquid ejecting apparatus includes a liquid ejecting head configured to eject liquid from a nozzle onto a medium to perform printing, a liquid accommodating unit configured to receive, via an opening, the liquid ejected by empty discharging that ejects the liquid from the liquid ejecting head separately from the printing, a cover movable to a closed position where the opening of the liquid accommodating unit is covered and an open position where the opening is opened, and a detection unit configured to detect the cover positioned at the closed position or the open position.Type: GrantFiled: June 8, 2021Date of Patent: April 11, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Toshio Nakata, Yuichi Urabe
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Publication number: 20220242135Abstract: A liquid circulation mechanism includes a first storage portion configured to store liquid to be supplied to a liquid discharging head, a second storage portion configured to store the liquid collected from the liquid discharging head, a third storage portion configured to store the liquid between the second storage portion and the first storage portion, a first check valve allowing flow of the liquid from the second storage portion to the third storage portion while regulating flow of the liquid from the third storage portion to the second storage portion, in the second collection flow path, and a second check valve allowing flow of the liquid from the third storage portion to the first storage portion while regulating flow of the liquid from the first storage portion to the third storage portion, in the third collection flow path.Type: ApplicationFiled: January 27, 2022Publication date: August 4, 2022Inventors: Toshio NAKATA, Yuichi URABE, Hisashi SATO, Sawako TSUJIMURA, Shinji HIRATA, Yoshiaki KISHII
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Publication number: 20220242136Abstract: A liquid circulation mechanism includes a supply flow path making a liquid supply source and a liquid discharging head communicate with each other and a collection flow path making the liquid discharging head and a connection portion of the supply flow path communicate with each other, in which a branch portion, a plurality of flow paths branched at the branch portion, and a merging portion, in which the plurality of flow paths are merged, are provided in at least one of the supply flow path and the collection flow path. Pressure adjustment portions, which are provided in the plurality of flow paths and open the flow paths when a pressure on the liquid discharging head side is equal to a predetermined pressure, have different the predetermined pressures for opening the flow paths in the plurality of flow paths.Type: ApplicationFiled: January 26, 2022Publication date: August 4, 2022Inventors: Toshio NAKATA, Yuichi URABE, Kazushi ARAFUKA, Yuki SHIOHARA, Munechika OTSURU
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Publication number: 20220080737Abstract: A waste liquid container includes an accommodation chamber including an opening that is open upward of the waste liquid container in a mounted state where the waste liquid container is mounted in the mounting portion, the accommodation chamber being configured to accommodate the liquid, and a contact portion provided at a surface that intersect with a bottom surface and an upper surface of the waste liquid container, the contact portion being configured to contact a horizontal plane and set a posture of the accommodation chamber with respect to the horizontal plane in a placement state where the waste liquid container is placed at the horizontal plane with the surface facing downward, wherein in the placement state, an inner surface is in an inclined state where the bottom surface is lower than the upper surface, the inner surface serving as a lower surface of the accommodation chamber.Type: ApplicationFiled: September 2, 2021Publication date: March 17, 2022Inventors: Masaki UCHIYAMA, Toshio NAKATA
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Publication number: 20210379892Abstract: A liquid ejecting apparatus includes a liquid ejecting head configured to eject liquid from a nozzle onto a medium to perform printing, a liquid accommodating unit configured to receive, via an opening, the liquid ejected by empty discharging that ejects the liquid from the liquid ejecting head separately from the printing, a cover movable to a closed position where the opening of the liquid accommodating unit is covered and an open position where the opening is opened, and a detection unit configured to detect the cover positioned at the closed position or the open position.Type: ApplicationFiled: June 8, 2021Publication date: December 9, 2021Inventors: Toshio NAKATA, Yuichi URABE
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Patent number: 10751999Abstract: A roll wiping member unit includes a long wiping member and a core. The long wiping member has a starting end and a terminating end at ends in a longitudinal direction and a wiping portion that is subjected to a tensile load at a position between the starting end and the terminating end. The long wiping member is configured to wipe a liquid ejecting head at the wiping portion. The long wiping member is wound on the core from the terminating end in a roll. The long wiping member has a weak portion having strength that does not withstand the tensile load at a position closer than the wiping portion to the terminating end.Type: GrantFiled: June 19, 2018Date of Patent: August 25, 2020Assignee: Seiko Epson CorporationInventors: Ryoji Fujimori, Toshio Nakata
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Patent number: 10717283Abstract: A cap device is designed to form a space surrounding an opening of a nozzle of a liquid ejecting head when the cap device is in contact with the liquid ejecting head including the nozzle for ejecting a liquid, and includes a moisturizing chamber to which a moisturizing fluid for moisturizing the above space is supplied, and a partition wall having gas permeability and configured to partition the space and the moisturizing chamber, where part of the partition wall is formed of a flexible portion.Type: GrantFiled: August 23, 2018Date of Patent: July 21, 2020Assignee: Seiko Epson CorporationInventors: Kazutoshi Shimizu, Toshio Nakata, Ryoji Fujimori, Shuhei Harada, Noritaka Mitsuo
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Patent number: 10603934Abstract: A winding apparatus that can restrain a medium from being wound unevenly when a long medium is wound around a winding roller and a printing apparatus that includes the winding apparatus are provided. A winding apparatus includes a winding section that has a winding roller rotatably supported therein and winds a long medium around the winding roller. The winding section also has a pressing portion that presses the medium toward the winding roller.Type: GrantFiled: October 11, 2017Date of Patent: March 31, 2020Assignee: Seiko Epson CorporationInventor: Toshio Nakata
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Patent number: 10464313Abstract: A liquid droplet ejecting apparatus includes a liquid droplet ejecting head that includes a pressure chamber to which a liquid is supplied from a liquid supply source, a nozzle that communicates with the pressure chamber, and an actuator that vibrates the pressure chamber, and discharges a liquid droplet from the nozzle by driving of the actuator, a cap designed to make a capping state where the cap is in contact with the liquid droplet ejecting head to form a space where the nozzle opens and a non-capping state where the cap is separated from the liquid droplet ejecting head, and a detection unit designed to detect a state in the pressure chamber, in which in the capping state, the detection unit detects the state in the pressure chamber.Type: GrantFiled: July 5, 2018Date of Patent: November 5, 2019Assignee: Seiko Epson CorporationInventors: Toshihiro Shinbara, Toshio Nakata, Toshiyuki Suzuki
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Publication number: 20190061353Abstract: A cap device is designed to form a space surrounding an opening of a nozzle of a liquid ejecting head when the cap device is in contact with the liquid ejecting head including the nozzle for ejecting a liquid, and includes a moisturizing chamber to which a moisturizing fluid for moisturizing the above space is supplied, and a partition wall having gas permeability and configured to partition the space and the moisturizing chamber, where part of the partition wall is formed of a flexible portion.Type: ApplicationFiled: August 23, 2018Publication date: February 28, 2019Inventors: Kazutoshi SHIMIZU, Toshio NAKATA, Ryoji FUJIMORI, Shuhei HARADA, Noritaka MITSUO
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Patent number: 10195855Abstract: A capping device includes a moisturizing cap which is brought into contact with a liquid ejecting unit configured to eject a liquid from a nozzle so as to allow forming of a space including the nozzle, a connection flow channel which is connected to the moisturizing cap, and a moisturizing liquid supply unit which is connected to the connection flow channel, includes a moisturizing liquid storage unit configured to allow storing of a moisturizing liquid, and allows a supply of the moisturizing liquid to the moisturizing liquid storage unit so as to cause a liquid surface of the moisturizing liquid in the moisturizing liquid storage unit to be a first position. The moisturizing cap includes an atmospheric communication portion configured to open the space to an atmosphere.Type: GrantFiled: July 21, 2017Date of Patent: February 5, 2019Assignee: Seiko Epson CorporationInventors: Toshio Nakata, Ryoji Fujimori
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Publication number: 20190016122Abstract: A liquid droplet ejecting apparatus includes a liquid droplet ejecting head that includes a pressure chamber to which a liquid is supplied from a liquid supply source, a nozzle that communicates with the pressure chamber, and an actuator that vibrates the pressure chamber, and discharges a liquid droplet from the nozzle by driving of the actuator, a cap designed to make a capping state where the cap is in contact with the liquid droplet ejecting head to form a space where the nozzle opens and a non-capping state where the cap is separated from the liquid droplet ejecting head, and a detection unit designed to detect a state in the pressure chamber, in which in the capping state, the detection unit detects the state in the pressure chamber.Type: ApplicationFiled: July 5, 2018Publication date: January 17, 2019Inventors: Toshihiro SHINBARA, Toshio NAKATA, Toshiyuki SUZUKI
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Publication number: 20180370240Abstract: A roll wiping member unit includes a long wiping member and a core. The long wiping member has a starting end and a terminating end at ends in a longitudinal direction and a wiping portion that is subjected to a tensile load at a position between the starting end and the terminating end. The long wiping member is configured to wipe a liquid ejecting head at the wiping portion. The long wiping member is wound on the core from the terminating end in a roll. The long wiping member has a weak portion having strength that does not withstand the tensile load at a position closer than the wiping portion to the terminating end.Type: ApplicationFiled: June 19, 2018Publication date: December 27, 2018Inventors: Ryoji FUJIMORI, Toshio NAKATA
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Patent number: 10150313Abstract: A printing apparatus is provided with: a recording head that performs printing on a medium fed out from a transport roller pair; a feeding unit that feeds the medium to the transport roller pair; and a winding unit that winds, into a roll shape, the medium subjected to the printing by the recording head. The winding unit winds the medium while adjusting a front tension acting on the medium between the transport roller pair and the winding unit, depending on a diameter of the medium wound into the roll shape. The feeding unit feeds the medium while adjusting a back tension acting on the medium between the transport roller pair and the feeding unit, depending on changes in the front tension.Type: GrantFiled: June 2, 2017Date of Patent: December 11, 2018Assignee: Seiko Epson CorporationInventor: Toshio Nakata
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Publication number: 20180333972Abstract: The present invention relates to a recording apparatus which includes: a set portion in which a roll-shaped recording medium is set; a transporting portion of the recording medium; a medium supporting portion which supports the recording medium; and a contact portion which is provided between the set portion and the medium supporting portion in a transporting direction of the recording medium and is biased to come into contact with the recording medium.Type: ApplicationFiled: July 18, 2018Publication date: November 22, 2018Inventors: Toshio NAKATA, Yuya ISHIKAWA
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Publication number: 20180104969Abstract: A winding apparatus that can restrain a medium from being wound unevenly when a long medium is wound around a winding roller and a printing apparatus that includes the winding apparatus are provided. A winding apparatus includes a winding section that has a winding roller rotatably supported therein and winds a long medium around the winding roller. The winding section also has a pressing portion that presses the medium toward the winding roller.Type: ApplicationFiled: October 11, 2017Publication date: April 19, 2018Inventor: Toshio NAKATA