Patents by Inventor Toshihiro SHINBARA
Toshihiro SHINBARA 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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Patent number: 10744780Abstract: A printer has a recording head, a relay container from which ink is supplied to the recording head, and to which the ink is supplied from a terminal container, a pressurizing pump and a depressurizing pump for supplying the ink from the terminal container to the relay container, and a control unit. The control unit calculates an estimated consumption amount of the relay container based on the amount of the ink supplied from the relay container to the recording head, and consumed and the amount of the ink supplied from the terminal container to the relay container, and calculates the amount of the ink supplied from the terminal container to the relay container using the minimum value of tolerance of a supply amount of the depressurizing pump.Type: GrantFiled: September 1, 2017Date of Patent: August 18, 2020Assignee: Seiko Epson CorporationInventors: Shuichi Koganehira, Yasuhiko Kosugi, Tsuyoshi Hayashi, Toshihiro Shinbara, Kaoru Koike, Ryoji Fujimori
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Publication number: 20200139714Abstract: A liquid ejecting apparatus includes a liquid ejecting section that is capable of ejecting a first liquid from an opening of a nozzle with respect to media; and a two-fluid ejecting apparatus that is capable of ejecting at least one of a gas and a second liquid with respect to the liquid ejecting section.Type: ApplicationFiled: January 7, 2020Publication date: May 7, 2020Inventors: Takayuki KAWAKAMI, Toshihiro SHINBARA, Kazuhiko HARA, Kazuyuki FUJIOKA, Takeshi YOSHIDA, Hironori SATO
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Patent number: 10639901Abstract: A liquid ejecting apparatus includes a liquid ejecting section that is capable of ejecting a first liquid from an opening of a nozzle with respect to media; and a two-fluid ejecting apparatus that is capable of ejecting at least one of a gas and a second liquid with respect to the liquid ejecting section.Type: GrantFiled: January 7, 2020Date of Patent: May 5, 2020Assignee: Seiko Epson CorporationInventors: Takayuki Kawakami, Toshihiro Shinbara, Kazuhiko Hara, Kazuyuki Fujioka, Takeshi Yoshida, Hironori Sato
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Patent number: 10562309Abstract: A liquid ejecting apparatus includes a liquid ejecting section that is capable of ejecting a first liquid from an opening of a nozzle with respect to media; and a two-fluid ejecting apparatus that is capable of ejecting at least one of a gas and a second liquid with respect to the liquid ejecting section.Type: GrantFiled: July 8, 2015Date of Patent: February 18, 2020Assignee: Seiko Epson CorporationInventors: Takayuki Kawakami, Toshihiro Shinbara, Kazuhiko Hara, Kazuyuki Fujioka, Takeshi Yoshida, Hironori Sato
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Patent number: 10562315Abstract: In a filling operation of filling liquid in a liquid supply flow path which includes a filter having holes by causing a pressure on a downstream side in the liquid supply flow path to be lower than a pressure on an upstream side, and a maximum pressure difference which occurs between an upstream side of the filter and a downstream side of the filter is larger than a pressure difference for destroying a gas-liquid interface formed in the hole in a case where the upstream side of the filter is the liquid, and the downstream side of the filter is gas, and is smaller than a pressure difference for destroying the gas-liquid interface formed in the hole, in a case where the upstream side of the filter is the gas, and the downstream side of the filter is the liquid.Type: GrantFiled: June 13, 2018Date of Patent: February 18, 2020Assignee: Seiko Epson CorporationInventors: Tomoki Shinoda, Takeshi Iwamuro, Toshihiro Shinbara
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Patent number: 10486430Abstract: A liquid supplying device includes a first intermediate storage and a second intermediate storage, both of which can supply liquid to a liquid ejecting unit. In a case where a storage amount of one intermediate storage is a first set value, the depressurization of the inside of one intermediate storage is stopped. In a case where a storage amount of the other intermediate storage is a second set value that is smaller than the first set value, first supply control of supplying the liquid from one intermediate storage to the other liquid ejecting unit is performed. In a case where the storage amount of the other intermediate storage is the second set value, second supply control of supplying the liquid from one intermediate storage is performed.Type: GrantFiled: May 18, 2018Date of Patent: November 26, 2019Assignee: Seiko Epson CorporationInventors: Toshihiro Shinbara, Ryoji Fujimori, Kaoru Koike, Tsuyoshi Hayashi
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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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Patent number: 10457050Abstract: An ink jet recording apparatus includes a recording head having a plurality of nozzles through which an ink composition containing an inorganic pigment is ejected, a nozzle surface having nozzle orifices, and a liquid-repellent film disposed on the nozzle surface; an absorbing member that absorbs the ink composition containing the inorganic pigment from the nozzle orifices and the nozzle surface; and an actuating mechanism including a pressing member that presses the absorbing member, which contains an impregnation liquid, and the nozzle surface relative to each other. The actuating mechanism moves at least one of the absorbing member and the recording head relative to the other to perform a cleaning operation in which the ink composition is removed from the nozzle surface with the absorbing member.Type: GrantFiled: December 13, 2018Date of Patent: October 29, 2019Assignee: Seiko Epson CorporationInventors: Hiroki Nakane, Akira Mizutani, Toshihiro Shinbara, Masako Fukuda
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Patent number: 10449770Abstract: A liquid droplet ejecting apparatus includes a liquid droplet ejecting head that includes a plurality of nozzles from which a liquid supplied from a liquid supply source through a liquid supply path is ejected as a liquid droplet, and ejects the liquid droplet from the nozzle to a recording medium to perform a recording process, a first detecting section that detects a vibration waveform of the pressure chamber, which is vibrated when an actuator is driven to cause the pressure chamber communicating with the nozzle to vibrate, to detect a state inside the pressure chamber, and a second detecting section that reads a pattern formed on the recording medium by ejecting the liquid droplet from the nozzle to detect an ejection state of the liquid droplet.Type: GrantFiled: March 2, 2018Date of Patent: October 22, 2019Assignee: Seiko Epson CorporationInventors: Takayuki Kawakami, Shinsuke Yokote, Toshihiro Shinbara, Tsuyoshi Hayashi, Takeshi Yoshida, Yuji Kanazawa
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Publication number: 20190111681Abstract: An ink jet recording apparatus includes a recording head having a plurality of nozzles through which an ink composition containing an inorganic pigment is ejected, a nozzle surface having nozzle orifices, and a liquid-repellent film disposed on the nozzle surface; an absorbing member that absorbs the ink composition containing the inorganic pigment from the nozzle orifices and the nozzle surface; and an actuating mechanism including a pressing member that presses the absorbing member, which contains an impregnation liquid, and the nozzle surface relative to each other. The actuating mechanism moves at least one of the absorbing member and the recording head relative to the other to perform a cleaning operation in which the ink composition is removed from the nozzle surface with the absorbing member.Type: ApplicationFiled: December 13, 2018Publication date: April 18, 2019Inventors: Hiroki NAKANE, Akira MIZUTANI, Toshihiro SHINBARA, Masako FUKUDA
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Publication number: 20190105902Abstract: An ink jet recording apparatus includes a recording head having a plurality of nozzles through which an ink composition containing an inorganic pigment is ejected, a nozzle surface having nozzle orifices, and a liquid-repellent film disposed on the nozzle surface; an absorbing member that absorbs the ink composition containing the inorganic pigment from the nozzle orifices and the nozzle surface; and an actuating mechanism including a pressing member that presses the absorbing member and the nozzle surface relative to each other. The actuating mechanism moves at least one of the absorbing member and the recording head relative to the other to perform a cleaning operation in which the ink composition is removed from the nozzle surface with the absorbing member. The absorbing member contains an impregnation liquid having a surface tension of 45 mN/m or less during the cleaning operation.Type: ApplicationFiled: December 10, 2018Publication date: April 11, 2019Inventors: Akira MIZUTANI, Hiroshi MUKAI, Hiroki NAKANE, Toshihiro SHINBARA, Keiji MATSUMOTO, Masako FUKUDA
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Patent number: 10195853Abstract: An ink jet recording apparatus includes a recording head having a plurality of nozzles through which an ink composition containing an inorganic pigment is ejected, a nozzle surface having nozzle orifices, and a liquid-repellent film disposed on the nozzle surface; an absorbing member that absorbs the ink composition containing the inorganic pigment from the nozzle orifices and the nozzle surface; and an actuating mechanism including a pressing member that presses the absorbing member, which contains an impregnation liquid, and the nozzle surface relative to each other. The actuating mechanism moves at least one of the absorbing member and the recording head relative to the other to perform a cleaning operation in which the ink composition is removed from the nozzle surface with the absorbing member.Type: GrantFiled: November 26, 2013Date of Patent: February 5, 2019Assignee: Seiko Epson CorporationInventors: Hiroki Nakane, Akira Mizutani, Toshihiro Shinbara, Masako Fukuda
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Patent number: 10189260Abstract: An ink jet recording apparatus includes a recording head having a plurality of nozzles through which an ink composition containing an inorganic pigment is ejected, a nozzle surface having nozzle orifices, and a liquid-repellent film disposed on the nozzle surface; an absorbing member that absorbs the ink composition containing the inorganic pigment from the nozzle orifices and the nozzle surface; and an actuating mechanism including a pressing member that presses the absorbing member and the nozzle surface relative to each other. The actuating mechanism moves at least one of the absorbing member and the recording head relative to the other to perform a cleaning operation in which the ink composition is removed from the nozzle surface with the absorbing member. The absorbing member contains an impregnation liquid having a surface tension of 45 mN/m or less during the cleaning operation.Type: GrantFiled: November 26, 2013Date of Patent: January 29, 2019Assignee: Seiko Epson CorporationInventors: Akira Mizutani, Hiroshi Mukai, Hiroki Nakane, Toshihiro Shinbara, Keiji Matsumoto, Masako Fukuda
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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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Patent number: 10160225Abstract: A liquid supplying device includes a first intermediate storage and a second intermediate storage that store liquid and are provided such that the liquid can be supplied from a liquid ejecting unit which ejects the liquid, a liquid supply source holding unit that holds a liquid supply source which accommodates the liquid and that can supply the liquid accommodated in the liquid supply source to the first intermediate storage and the second intermediate storage, and a pressure regulating mechanism that can regulate pressures inside the first intermediate storage and inside the second intermediate storage. In the liquid supplying device, the inside of one intermediate storage, out of the first intermediate storage and the second intermediate storage, is depressurized, and the liquid is supplied from the liquid supply source to the one intermediate storage.Type: GrantFiled: August 15, 2017Date of Patent: December 25, 2018Assignee: Seiko Epson CorporationInventors: Kaoru Koike, Ryoji Fujimori, Hiroki Matsuoka, Toshihiro Shinbara, Tsuyoshi Hayashi
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Publication number: 20180361751Abstract: In a filling operation of filling liquid in a liquid supply flow path which includes a filter having holes by causing a pressure on a downstream side in the liquid supply flow path to be lower than a pressure on an upstream side, and a maximum pressure difference which occurs between an upstream side of the filter and a downstream side of the filter is larger than a pressure difference for destroying a gas-liquid interface formed in the hole in a case where the upstream side of the filter is the liquid, and the downstream side of the filter is gas, and is smaller than a pressure difference for destroying the gas-liquid interface formed in the hole, in a case where the upstream side of the filter is the gas, and the downstream side of the filter is the liquid.Type: ApplicationFiled: June 13, 2018Publication date: December 20, 2018Inventors: Tomoki SHINODA, Takeshi IWAMURO, Toshihiro SHINBARA
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Publication number: 20180333959Abstract: A liquid supplying device includes a first intermediate storage and a second intermediate storage, both of which can supply liquid to a liquid ejecting unit. In a case where a storage amount of one intermediate storage is a first set value, the depressurization of the inside of one intermediate storage is stopped. In a case where a storage amount of the other intermediate storage is a second set value that is smaller than the first set value, first supply control of supplying the liquid from one intermediate storage to the other liquid ejecting unit is performed. In a case where the storage amount of the other intermediate storage is the second set value, second supply control of supplying the liquid from one intermediate storage is performed.Type: ApplicationFiled: May 18, 2018Publication date: November 22, 2018Inventors: Toshihiro SHINBARA, Ryoji FUJIMORI, Kaoru KOIKE, Tsuyoshi HAYASHI
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Publication number: 20180250938Abstract: A liquid droplet ejecting apparatus includes a liquid droplet ejecting head that includes a plurality of nozzles from which a liquid supplied from a liquid supply source through a liquid supply path is ejected as a liquid droplet, and ejects the liquid droplet from the nozzle to a recording medium to perform a recording process, a first detecting section that detects a vibration waveform of the pressure chamber, which is vibrated when an actuator is driven to cause the pressure chamber communicating with the nozzle to vibrate, to detect a state inside the pressure chamber, and a second detecting section that reads a pattern formed on the recording medium by ejecting the liquid droplet from the nozzle to detect an ejection state of the liquid droplet.Type: ApplicationFiled: March 2, 2018Publication date: September 6, 2018Inventors: Takayuki KAWAKAMI, Shinsuke YOKOTE, Toshihiro SHINBARA, Tsuyoshi HAYASHI, Takeshi YOSHIDA, Yuji KANAZAWA
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Publication number: 20180170059Abstract: A liquid ejecting apparatus includes a liquid ejecting unit having nozzles able to eject a first liquid to a medium; and a fluid ejecting device having ejection ports able to eject a fluid including a second liquid to the liquid ejecting unit, in which the fluid ejecting device performs, as a maintenance operation of the liquid ejecting unit, a first fluid ejection of ejecting a fluid including small droplets of the second liquid that are smaller than a nozzle opening to an opening region in which the nozzles of the liquid ejecting unit open, and a second fluid ejection of ejecting a fluid including droplets of the second liquid in which the smallest droplets are larger than the small droplets to the liquid ejecting unit.Type: ApplicationFiled: February 15, 2018Publication date: June 21, 2018Inventors: Toshihiro Shinbara, Kazuhiko Hara, Takayuki Kawakami, Kazuyuki Fujioka, Hitotoshi Kimura
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Publication number: 20180086092Abstract: A printer 100 has a recording head 22, a relay container 30 from which ink is supplied to the recording head 22, and to which the ink is supplied from a terminal container 60, a pressurizing pump 34 and a depressurizing pump 35 for supplying the ink from the terminal container 60 to the relay container 30, and a control unit 10. The control unit 10 calculates an estimated consumption amount of the relay container 30 based on the amount of the ink supplied from the relay container 30 to the recording head 22, and consumed and the amount of the ink supplied from the terminal container 60 to the relay container 30, and calculates the amount of the ink supplied from the terminal container 60 to the relay container 30 using the minimum value of tolerance of a supply amount of the depressurizing pump 35.Type: ApplicationFiled: September 1, 2017Publication date: March 29, 2018Inventors: Shuichi KOGANEHIRA, Yasuhiko KOSUGI, Tsuyoshi HAYASHI, Toshihiro SHINBARA, Kaoru KOIKE, Ryoji FUJIMORI