Patents by Inventor Kazuyuki Fujioka
Kazuyuki Fujioka 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: 11858278Abstract: A liquid ejecting apparatus includes a liquid supplying apparatus. The liquid supplying apparatus includes a supply flow passage that is in communication with a liquid ejecting head configured to eject liquid, a first supply flow passage for communication between a first liquid container and the supply flow passage, the first liquid container containing liquid, and a second supply flow passage for communication between a second liquid container and the supply flow passage, the second liquid container containing the same kind of liquid as the liquid contained in the first liquid container, a switching unit configured to switch a flow passage that is in communication with the supply flow passage, between the first supply flow passage and the second supply flow passage, and a movement restriction unit configured to, linked with switching by the switching unit, restrict movement of the first liquid container and the second liquid container selectively.Type: GrantFiled: May 17, 2022Date of Patent: January 2, 2024Assignee: Seiko Epson CorporationInventors: Eri Tanaka, Kazuyuki Fujioka, Masaki Uchiyama
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Publication number: 20220371329Abstract: A liquid ejecting apparatus includes a liquid supplying apparatus. The liquid supplying apparatus includes a supply flow passage that is in communication with a liquid ejecting head configured to eject liquid, a first supply flow passage for communication between a first liquid container and the supply flow passage, the first liquid container containing liquid, and a second supply flow passage for communication between a second liquid container and the supply flow passage, the second liquid container containing the same kind of liquid as the liquid contained in the first liquid container, a switching unit configured to switch a flow passage that is in communication with the supply flow passage, between the first supply flow passage and the second supply flow passage, and a movement restriction unit configured to, linked with switching by the switching unit, restrict movement of the first liquid container and the second liquid container selectively.Type: ApplicationFiled: May 17, 2022Publication date: November 24, 2022Inventors: Eri TANAKA, Kazuyuki FUJIOKA, Masaki UCHIYAMA
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Patent number: 11298951Abstract: A liquid ejecting apparatus including a liquid ejecting portion that ejects a liquid, a liquid supply flow path that supplies the liquid accommodated in a liquid supply source to the liquid ejecting portion, a storage portion that is provided in the liquid supply flow path and that stores the liquid, a pressure mechanism that changes a volume of the storage portion by making pressure act thereon, a liquid filling mechanism that fills the liquid inside the liquid supply source into the liquid supply flow path, and a control portion that fills the liquid into the liquid supply flow path while the volume of the storage portion is, by making pressure act on the flexible portion, made smaller than when the pressure does not act on the flexible portion, and after the filling, ends a state in which the pressure is made to act on the flexible portion.Type: GrantFiled: August 18, 2020Date of Patent: April 12, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiaki Kishii, Hisashi Sato, Eri Tanaka, Kazuyuki Fujioka, Yuichi Urabe
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Patent number: 11034155Abstract: A liquid reservoir unit includes a reservoir portion, an outflow portion disposed at a position near a first end of the reservoir portion, and an inflow portion disposed at a position near the first end of the reservoir portion. The outflow portion includes an outflow opening opened to an interior of the reservoir portion, and the inflow portion includes an inflow opening opened to the interior of the reservoir portion. The outflow opening and the inflow opening are located at different positions in a width direction which is a lengthwise direction of the reservoir portion when the reservoir portion is viewed from the first end, and also located at different positions in a depth direction from the first end toward a second end on the opposite side to the first end.Type: GrantFiled: September 12, 2019Date of Patent: June 15, 2021Assignee: Seiko Epson CorporationInventors: Hisashi Sato, Kazuyuki Fujioka, Yuichi Urabe, Hitotoshi Kimura
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Publication number: 20210053359Abstract: A liquid ejecting apparatus including a liquid ejecting portion that ejects a liquid, a liquid supply flow path that supplies the liquid accommodated in a liquid supply source to the liquid ejecting portion, a storage portion that is provided in the liquid supply flow path and that stores the liquid, a pressure mechanism that changes a volume of the storage portion by making pressure act thereon, a liquid filling mechanism that fills the liquid inside the liquid supply source into the liquid supply flow path, and a control portion that fills the liquid into the liquid supply flow path while the volume of the storage portion is, by making pressure act on the flexible portion, made smaller than when the pressure does not act on the flexible portion, and after the filling, ends a state in which the pressure is made to act on the flexible portion.Type: ApplicationFiled: August 18, 2020Publication date: February 25, 2021Inventors: Yoshiaki KISHII, Hisashi SATO, Eri TANAKA, Kazuyuki FUJIOKA, Yuichi URABE
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Publication number: 20200207097Abstract: A liquid ejecting apparatus includes a liquid ejecting unit having nozzles able to eject a liquid to a medium, a wiping unit able to wipe the liquid ejecting unit, a waste liquid receiving unit which receives a waste liquid which is discharged by a maintenance operation for maintaining the liquid ejecting unit, at a position facing the liquid ejecting unit, and a collection unit which comes in contact with the waste liquid receiving unit to collect the waste liquid which is received by the waste receiving unit, in which the wiping unit comes in contact with the collection unit to wipe the waste liquid which is collected by the collection unit.Type: ApplicationFiled: March 9, 2020Publication date: July 2, 2020Inventor: Kazuyuki FUJIOKA
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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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Publication number: 20200079093Abstract: A liquid reservoir unit includes a reservoir portion, an outflow portion disposed at a position near a first end of the reservoir portion, and an inflow portion disposed at a position near the first end of the reservoir portion. The outflow portion includes an outflow opening opened to an interior of the reservoir portion, and the inflow portion includes an inflow opening opened to the interior of the reservoir portion. The outflow opening and the inflow opening are located at different positions in a width direction which is a lengthwise direction of the reservoir portion when the reservoir portion is viewed from the first end, and also located at different positions in a depth direction from the first end toward a second end on the opposite side to the first end.Type: ApplicationFiled: September 12, 2019Publication date: March 12, 2020Inventors: Hisashi SATO, Kazuyuki FUJIOKA, Yuichi URABE, Hitotoshi KIMURA
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Publication number: 20200070517Abstract: A liquid ejecting apparatus includes a liquid supply flow path configured to supply a liquid stored in a liquid supply source to a liquid ejecting portion, a reservoir portion provided in the liquid supply flow path, an on-off valve provided between the liquid supply source and the reservoir portion, a discharge mechanism configured to discharge the liquid in the liquid supply flow path by depressurizing the liquid supply flow path, and a pressure mechanism configured to apply a negative pressure to the interior of the reservoir portion from the exterior. A negative pressure equal to or larger than a negative pressure applied to the interior of the reservoir portion by the discharge mechanism, is applied to the interior of the reservoir portion in a maintenance operation in which the liquid supply flow path is depressurized by the discharge mechanism while the on-off valve is closed.Type: ApplicationFiled: August 26, 2019Publication date: March 5, 2020Inventors: Hisashi SATO, Kazuyuki FUJIOKA, Yuichi URABE, Hiroyuki ITO
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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: 10449767Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a wiping member with a lengthwise shape that is able to contact the nozzle surface, a contact portion which is able to contact the opposite side from a side at which the wiping member contacts the nozzle surface, and a transport mechanism which transports the wiping member, in which the contact portion has a first contact portion which is separated from the wiping member when the wiping member is transported by the transport mechanism and which contacts the wiping member when the wiping member is caused to contact the nozzle surface, and a second contact portion which contacts the wiping member when the wiping member is transported by the transport mechanism.Type: GrantFiled: September 13, 2017Date of Patent: October 22, 2019Assignee: Seiko Epson CorporationInventors: Kazuyuki Fujioka, Ryoji Fujimori
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Publication number: 20180264823Abstract: A liquid ejecting apparatus includes a liquid ejecting unit having nozzles able to eject a liquid to a medium, a wiping unit able to wipe the liquid ejecting unit, a waste liquid receiving unit which receives a waste liquid which is discharged by a maintenance operation for maintaining the liquid ejecting unit, at a position facing the liquid ejecting unit, and a collection unit which comes in contact with the waste liquid receiving unit to collect the waste liquid which is received by the waste receiving unit, in which the wiping unit comes in contact with the collection unit to wipe the waste liquid which is collected by the collection unit.Type: ApplicationFiled: May 14, 2018Publication date: September 20, 2018Inventor: Kazuyuki FUJIOKA
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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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Patent number: 10000062Abstract: A liquid ejecting apparatus includes a liquid ejecting unit having nozzles able to eject a liquid to a medium, a wiping unit able to wipe the liquid ejecting unit, a waste liquid receiving unit which receives a waste liquid which is discharged by a maintenance operation for maintaining the liquid ejecting unit, at a position facing the liquid ejecting unit, and a collection unit which comes in contact with the waste liquid receiving unit to collect the waste liquid which is received by the waste receiving unit, in which the wiping unit comes in contact with the collection unit to wipe the waste liquid which is collected by the collection unit.Type: GrantFiled: March 7, 2017Date of Patent: June 19, 2018Assignee: Seiko Epson CorporationInventor: Kazuyuki Fujioka
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Patent number: 9925779Abstract: 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: GrantFiled: January 20, 2016Date of Patent: March 27, 2018Assignee: Seiko Epson CorporationInventors: Toshihiro Shinbara, Kazuhiko Hara, Takayuki Kawakami, Kazuyuki Fujioka, Hitotoshi Kimura
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Publication number: 20180001645Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a wiping member with a lengthwise shape that is able to contact the nozzle surface, a contact portion which is able to contact the opposite side from a side at which the wiping member contacts the nozzle surface, and a transport mechanism which transports the wiping member, in which the contact portion has a first contact portion which is separated from the wiping member when the wiping member is transported by the transport mechanism and which contacts the wiping member when the wiping member is caused to contact the nozzle surface, and a second contact portion which contacts the wiping member when the wiping member is transported by the transport mechanism.Type: ApplicationFiled: September 13, 2017Publication date: January 4, 2018Inventors: Kazuyuki Fujioka, Ryoji Fujimori
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Patent number: 9789692Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a wiping member with a lengthwise shape that is able to contact the nozzle surface, a contact portion which is able to contact the opposite side from a side at which the wiping member contacts the nozzle surface, and a transport mechanism which transports the wiping member, in which the contact portion has a first contact portion which is separated from the wiping member when the wiping member is transported by the transport mechanism and which contacts the wiping member when the wiping member is caused to contact the nozzle surface, and a second contact portion which contacts the wiping member when the wiping member is transported by the transport mechanism.Type: GrantFiled: August 8, 2016Date of Patent: October 17, 2017Assignee: Seiko Epson CorporationInventors: Kazuyuki Fujioka, Ryoji Fujimori
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Publication number: 20170259574Abstract: A liquid ejecting apparatus includes a liquid ejecting unit having nozzles able to eject a liquid to a medium, a wiping unit able to wipe the liquid ejecting unit, a waste liquid receiving unit which receives a waste liquid which is discharged by a maintenance operation for maintaining the liquid ejecting unit, at a position facing the liquid ejecting unit, and a collection unit which comes in contact with the waste liquid receiving unit to collect the waste liquid which is received by the waste receiving unit, in which the wiping unit comes in contact with the collection unit to wipe the waste liquid which is collected by the collection unit.Type: ApplicationFiled: March 7, 2017Publication date: September 14, 2017Inventor: Kazuyuki FUJIOKA
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Publication number: 20170066244Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a wiping member with a lengthwise shape that is able to contact the nozzle surface, a contact portion which is able to contact the opposite side from a side at which the wiping member contacts the nozzle surface, and a transport mechanism which transports the wiping member, in which the contact portion has a first contact portion which is separated from the wiping member when the wiping member is transported by the transport mechanism and which contacts the wiping member when the wiping member is caused to contact the nozzle surface, and a second contact portion which contacts the wiping member when the wiping member is transported by the transport mechanism.Type: ApplicationFiled: August 8, 2016Publication date: March 9, 2017Inventors: Kazuyuki Fujioka, Ryoji Fujimori