Patents by Inventor Kyoshiro Okude
Kyoshiro Okude 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: 20230413460Abstract: A biological device that includes a case, an electronic unit, a gas-liquid separator, and an insulating sheet. The case is wearable on a body. The electronic unit is in an internal space of the case. The gas-liquid separator is attached to the case. The insulating sheet is attached to the case. The case has a communicating hole that connects the internal space and an external space of the case along a first direction. The gas-liquid separator and the insulating sheet are disposed apart from each other in the first direction. The gas-liquid separator, the electronic unit, and the insulating sheet overlap each other in a plan view of the biological device in the first direction.Type: ApplicationFiled: June 2, 2023Publication date: December 21, 2023Inventors: Kyoshiro OKUDE, Genta NAKANO, Kota TSUBAKIZAKA
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Patent number: 11845290Abstract: An inkjet recording apparatus includes a recording head, an ink tank, a supply flow path, a supply pump located in the supply flow path, a collection flow path, a relief flow path connecting a first position in the supply flow path to a second position in the supply flow path, wherein the first position is located at a downstream side of the supply pump in the supply flow path and the second position located at an upstream side of the supply pump in the supply flow path, and a differential pressure regulating valve located in the relief flow path and configured to, in a case where the pressure of the pumped ink in the supply flow path is larger than a predetermined value, open the relief flow path so as to allow ink in the supply flow path to flow from the first position to the second position.Type: GrantFiled: September 30, 2021Date of Patent: December 19, 2023Assignee: Canon Kabushiki KaishaInventors: Kyoshiro Okude, Ryoma Arai, Toshiaki Tokisawa, Takashi Abe
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Publication number: 20230081423Abstract: According to an aspect of the present invention, an inkjet printing apparatus includes a print head having an ejection opening surface on which ejection openings for ejecting ink are formed, a tank storing ink to be supplied to the print head, a supply flow path for supplying the ink from the tank to the print head, a collection flow path for collecting the ink from the print head to the tank, a supply pump provided in the supply flow path to supply the ink from the tank to the print head, a tank decompression pump which decompresses the inside of the tank, and a control unit which controls to drive the supply pump and the tank decompression pump to fill the collection flow path with ink.Type: ApplicationFiled: September 19, 2022Publication date: March 16, 2023Inventors: Toshiaki Tokisawa, Yumi Mukoyama, Kyoshiro Okude, Takashi Abe, Takahiro Kiuchi
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Patent number: 11577522Abstract: According to an aspect of the present invention, an inkjet printing apparatus includes a print head having an ejection opening surface on which ejection openings for ejecting ink are formed, a tank storing ink to be supplied to the print head, a supply flow path for supplying the ink from the tank to the print head, a collection flow path for collecting the ink from the print head to the tank, a supply pump provided in the supply flow path to supply the ink from the tank to the print head, a tank decompression pump which decompresses the inside of the tank, and a control unit which controls to drive the supply pump and the tank decompression pump to fill the collection flow path with ink.Type: GrantFiled: July 22, 2020Date of Patent: February 14, 2023Assignee: Canon Kabushiki KaishaInventors: Toshiaki Tokisawa, Yumi Mukoyama, Kyoshiro Okude, Takashi Abe, Takahiro Kiuchi
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Publication number: 20230043532Abstract: A conversion adapter is provided that includes a radio communication unit that receives biological information based on digital data transmitted from an external biological sensor by radio communication; a converter that converts the biological information based on the digital data received by the radio communication unit to biological information based on analog data; a connection unit that is connectable through wire to an external biological information monitor and that outputs the biological information based on the analog data converted by the converter; a power supply unit that supplies power to the radio communication unit and the converter; an operation input that receives operation performed by a user; and a body part provided with the connection unit and the operation part.Type: ApplicationFiled: October 20, 2022Publication date: February 9, 2023Inventors: Kouki EJIRI, Hiroaki ICHIKAWA, Hidesato UEGAKI, Akihiko SHIBATA, Kiyotaka ASAI, Hirofumi TSUCHIMOTO, Koji TANAKA, Kyoshiro OKUDE
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Publication number: 20220016899Abstract: An inkjet recording apparatus includes a recording head, an ink tank, a supply flow path, a supply pump located in the supply flow path, a collection flow path, a relief flow path connecting a first position in the supply flow path to a second position in the supply flow path, wherein the first position is located at a downstream side of the supply pump in the supply flow path and the second position located at an upstream side of the supply pump in the supply flow path, and a differential pressure regulating valve located in the relief flow path and configured to, in a case where the pressure of the pumped ink in the supply flow path is larger than a predetermined value, open the relief flow path so as to allow ink in the supply flow path to flow from the first position to the second position.Type: ApplicationFiled: September 30, 2021Publication date: January 20, 2022Inventors: Kyoshiro Okude, Ryoma Arai, Toshiaki Tokisawa, Takashi Abe
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Patent number: 11167559Abstract: An inkjet recording apparatus includes a recording head, an ink tank, a supply flow path, a supply pump located in the supply flow path, a collection flow path, a relief flow path connecting a first position in the supply flow path to a second position in the supply flow path, wherein the first position is located at a downstream side of the supply pump in the supply flow path and the second position located at an upstream side of the supply pump in the supply flow path, and a differential pressure regulating valve located in the relief flow path and configured to, in a case where the pressure of the pumped ink in the supply flow path is larger than a predetermined value, open the relief flow path so as to allow ink in the supply flow path to flow from the first position to the second position.Type: GrantFiled: January 29, 2020Date of Patent: November 9, 2021Assignee: Canon Kabushiki KaishaInventors: Kyoshiro Okude, Ryoma Arai, Toshiaki Tokisawa, Takashi Abe
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Patent number: 11034159Abstract: An inkjet recording apparatus that the throughput until a start of a recording operation in the structure in which an ink is circulated between a recording head and an ink tank includes the recording head which discharges the ink to perform a recording operation, the ink tank which stores the ink, and a buffer chamber having a volume which is changed according to a pressure. When the inkjet recording apparatus is changed from a circulation state in which a supply pump and a collection pump are driven to circulate the ink between the recording head and the ink tank to a pause state in which the driving of the supply pump and the collection pump is stopped to stop the circulation of the ink, a negative pressure due to a change in the volume of the buffer chamber is maintained.Type: GrantFiled: January 31, 2020Date of Patent: June 15, 2021Assignee: Canon Kabushiki KaishaInventors: Tsuyoshi Saeki, Toshiaki Tokisawa, Kyoshiro Okude
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Patent number: 10994551Abstract: An object of the present invention is to prevent a sub tank the does not need replenishment from being replenished with ink. The present invention is a printing apparatus that includes: a print head; a sub tank; a main tank; a supply valve; an atmosphere release valve; and one pump, and performs a replenishment operation to replenish the sub tank with ink from the main tank by driving the pump in a state where the atmosphere release valve is closed and the supply valve is open, wherein a second ink, and a third ink, and in a case where replenishment of a first ink and the third ink is necessary and replenishment of the second ink is not necessary, the atmosphere release valve is opened after the supply valve of the first ink is closed and before the supply valve of the second ink is opened.Type: GrantFiled: February 28, 2019Date of Patent: May 4, 2021Assignee: Canon Kabushiki KaishaInventors: Toshiaki Tokisawa, Kyoshiro Okude, Yumi Mukoyama, Ryoma Arai
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Publication number: 20200346468Abstract: According to an aspect of the present invention, an inkjet printing apparatus includes a print head having an ejection opening surface on which ejection openings for ejecting ink are formed, a tank storing ink to be supplied to the print head, a supply flow path for supplying the ink from the tank to the print head, a collection flow path for collecting the ink from the print head to the tank, a supply pump provided in the supply flow path to supply the ink from the tank to the print head, a tank decompression pump which decompresses the inside of the tank, and a control unit which controls to drive the supply pump and the tank decompression pump to fill the collection flow path with ink.Type: ApplicationFiled: July 22, 2020Publication date: November 5, 2020Inventors: Toshiaki Tokisawa, Yumi Mukoyama, Kyoshiro Okude, Takashi Abe, Takahiro Kiuchi
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Patent number: 10766265Abstract: An object of the present invention is to provide an ink jet printing apparatus whose compactness is improved. The ink jet printing apparatus includes: a print head; an ink tank for each ink color; an ink flow path plate for each ink color having a supply flow path that guides the ink supplied from the ink tank to the print head and a recovery flow path that guides the ink recovered from the print head to the ink tank; a flow path concentration plate in which the supply flow path and the recovery flow path for each ink color are concentrated and which guides the ink between the ink flow path plate and the print head; and one or a plurality of function parts provided within a range of a space demarcated by the ink flow path plate and the flow path concentration plate.Type: GrantFiled: March 5, 2019Date of Patent: September 8, 2020Assignee: Canon Kabushiki KaishaInventors: Toshiaki Tokisawa, Junya Kosuge, Kyoshiro Okude, Yumi Mukoyama
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Patent number: 10766271Abstract: In a color inkjet printing apparatus using an ink circulation system, there is provided an inkjet printing apparatus capable of making appropriate circulation control for individual inks without resulting in cost increase. To achieve this, an inkjet printing apparatus includes a plurality of diaphragm pumps for circulating ink within a print head, a sub-tank, a supply flow path, and a collection flow path. The plurality of diaphragm pumps are configured by mounting control members of different types which can press against diaphragm units of a same type.Type: GrantFiled: June 5, 2019Date of Patent: September 8, 2020Assignee: Canon Kabushiki KaishaInventors: Yumi Mukoyama, Junya Kosuge, Kyoshiro Okude, Tsuyoshi Saeki, Ryoma Arai
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Patent number: 10759181Abstract: According to an aspect of the present invention, an inkjet printing apparatus includes a print head having an ejection opening surface on which ejection openings for ejecting ink are formed, a tank storing ink to be supplied to the print head, a supply flow path for supplying the ink from the tank to the print head, a collection flow path for collecting the ink from the print head to the tank, a supply pump provided in the supply flow path to supply the ink from the tank to the print head, a tank decompression pump which decompresses the inside of the tank, and a control unit which controls to drive the supply pump and the tank decompression pump to fill the collection flow path with ink.Type: GrantFiled: June 28, 2018Date of Patent: September 1, 2020Assignee: Canon Kabushiki KaishaInventors: Toshiaki Tokisawa, Yumi Mukoyama, Kyoshiro Okude, Takashi Abe, Takahiro Kiuchi
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Publication number: 20200164658Abstract: An inkjet recording apparatus that the throughput until a start of a recording operation in the structure in which an ink is circulated between a recording head and an ink tank includes the recording head which discharges the ink to perform a recording operation, the ink tank which stores the ink, and a buffer chamber having a volume which is changed according to a pressure. When the inkjet recording apparatus is changed from a circulation state in which a supply pump and a collection pump are driven to circulate the ink between the recording head and the ink tank to a pause state in which the driving of the supply pump and the collection pump is stopped to stop the circulation of the ink, a negative pressure due to a change in the volume of the buffer chamber is maintained.Type: ApplicationFiled: January 31, 2020Publication date: May 28, 2020Inventors: Tsuyoshi Saeki, Toshiaki Tokisawa, Kyoshiro Okude
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Publication number: 20200164657Abstract: An inkjet recording apparatus includes a recording head, an ink tank, a supply flow path, a supply pump located in the supply flow path, a collection flow path, a relief flow path connecting a first position in the supply flow path to a second position in the supply flow path, wherein the first position is located at a downstream side of the supply pump in the supply flow path and the second position located at an upstream side of the supply pump in the supply flow path, and a differential pressure regulating valve located in the relief flow path and configured to, in a case where the pressure of the pumped ink in the supply flow path is larger than a predetermined value, open the relief flow path so as to allow ink in the supply flow path to flow from the first position to the second position.Type: ApplicationFiled: January 29, 2020Publication date: May 28, 2020Inventors: Kyoshiro Okude, Ryoma Arai, Toshiaki Tokisawa, Takashi Abe
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Patent number: 10589534Abstract: An inkjet recording apparatus includes a recording head, an ink tank, a supply flow path, a supply pump located in the supply flow path, a collection flow path, a relief flow path connecting a first position in the supply flow path to a second position in the supply flow path, wherein the first position is located at a downstream side of the supply pump in the supply flow path and the second position located at an upstream side of the supply pump in the supply flow path, and a differential pressure regulating valve located in the relief flow path and configured to, in a case where the pressure of the pumped ink in the supply flow path is larger than a predetermined value, open the relief flow path so as to allow ink in the supply flow path to flow from the first position to the second position.Type: GrantFiled: June 14, 2018Date of Patent: March 17, 2020Assignee: Canon Kabushiki KaishaInventors: Kyoshiro Okude, Ryoma Arai, Toshiaki Tokisawa, Takashi Abe
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Patent number: 10589535Abstract: An inkjet recording apparatus that the throughput until a start of a recording operation in the structure in which an ink is circulated between a recording head and an ink tank includes the recording head which discharges the ink to perform a recording operation, the ink tank which stores the ink, and a buffer chamber having a volume which is changed according to a pressure. When the inkjet recording apparatus is changed from a circulation state in which a supply pump and a collection pump are driven to circulate the ink between the recording head and the ink tank to a pause state in which the driving of the supply pump and the collection pump is stopped to stop the circulation of the ink, a negative pressure due to a change in the volume of the buffer chamber is maintained.Type: GrantFiled: June 26, 2018Date of Patent: March 17, 2020Assignee: Canon Kabushiki KaishaInventors: Tsuyoshi Saeki, Toshiaki Tokisawa, Kyoshiro Okude
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Patent number: 10538096Abstract: According to an aspect, an inkjet printing apparatus includes a supply pump provided in a supply flow path for supplying ink from a tank to a print head, a first flow path connecting the first position upstream of the supply pump in the supply flow path and the second position downstream of the supply pump in the supply flow path, a second flow path connecting the tank and the third position downstream of the supply pump in the supply flow path, and an open/close valve provided in the second flow path and capable of opening and closing the second flow path.Type: GrantFiled: June 28, 2018Date of Patent: January 21, 2020Assignee: Canon Kabushiki KaishaInventors: Takashi Abe, Toshiaki Tokisawa, Kyoshiro Okude, Tsuyoshi Saeki, Ryoma Arai
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Publication number: 20190299648Abstract: An object of the present invention is to prevent a sub tank the does not need replenishment from being replenished with ink. The present invention is a printing apparatus that includes: a print head; a sub tank; a main tank; a supply valve; an atmosphere release valve; and one pump, and performs a replenishment operation to replenish the sub tank with ink from the main tank by driving the pump in a state where the atmosphere release valve is closed and the supply valve is open, wherein a second ink, and a third ink, and in a case where replenishment of a first ink and the third ink is necessary and replenishment of the second ink is not necessary, the atmosphere release valve is opened after the supply valve of the first ink is closed and before the supply valve of the second ink is opened.Type: ApplicationFiled: February 28, 2019Publication date: October 3, 2019Inventors: Toshiaki Tokisawa, Kyoshiro Okude, Yumi Mukoyama, Ryoma Arai
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Publication number: 20190299631Abstract: An object of the present invention is to provide an ink jet printing apparatus whose compactness is improved. The ink jet printing apparatus includes: a print head; an ink tank for each ink color; an ink flow path plate for each ink color having a supply flow path that guides the ink supplied from the ink tank to the print head and a recovery flow path that guides the ink recovered from the print head to the ink tank; a flow path concentration plate in which the supply flow path and the recovery flow path for each ink color are concentrated and which guides the ink between the ink flow path plate and the print head; and one or a plurality of function parts provided within a range of a space demarcated by the ink flow path plate and the flow path concentration plate.Type: ApplicationFiled: March 5, 2019Publication date: October 3, 2019Inventors: Toshiaki Tokisawa, Junya Kosuge, Kyoshiro Okude, Yumi Mukoyama