Patents by Inventor Ryoji Fujimori
Ryoji Fujimori 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: 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: 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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Patent number: 10081191Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.Type: GrantFiled: October 31, 2017Date of Patent: September 25, 2018Assignee: Seiko Epson CorporationInventors: Masato Murayama, Ryoji Fujimori, Yuji Aoki, Toru Saito, Masakazu Ohashi, Keiichiro Yoshino, Satoru Kobayashi
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Patent number: 10059118Abstract: There is provided an ejecting unit for ejecting a first fluid from nozzles, including: a first connection port to flow the first fluid; a second connection port to flow a second fluid; a driving portion configured to eject the first fluid in a flow path which communicates with the first connection port and the nozzles, from the nozzles; a first chamber that communicates with the second connection port; and a second chamber that communicates with the second connection port.Type: GrantFiled: January 31, 2017Date of Patent: August 28, 2018Assignee: Seiko Epson CorporationInventors: Masahiko Sato, Ryoji Fujimori, Kaoru Koike, Shigenori Nakagawa
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Patent number: 10035157Abstract: A liquid ejecting apparatus includes a liquid container containing section, and a pressurizing section that pressurizes inside of the liquid container containing section. The liquid container containing section has a casing that contains a liquid container, a mounting member that is mounted with the liquid container, and a cover that covers an opening that is formed in the casing, the mounting member is arranged inside the casing on the opening side, the cover is arranged outside the casing on the opening side, and the mounting member is fixed to the cover.Type: GrantFiled: March 27, 2015Date of Patent: July 31, 2018Assignee: Seiko Epson CorporationInventors: Naoki Naito, Keiichiro Yoshino, Ryoji Fujimori, Takeshi Iwamuro
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Publication number: 20180207944Abstract: A liquid ejecting apparatus includes a liquid flow path which communicates with a nozzle which ejects liquid; a vacuum degassing chamber for removing air bubbles from liquid by depressurizing a part of the liquid flow path; a gas flow path which communicates with the vacuum degassing chamber; a pressurizing chamber which communicates with the gas flow path; and a pump which communicates with the vacuum degassing chamber and the pressurizing chamber through the gas flow path, in which the pump is driven by a sequence selected from a plurality of sequences, and the plurality of sequences include a plurality of depressurizing sequences in which the vacuum degassing chamber is depressurized so that an average pressure of the vacuum degassing chamber becomes different, and a pressurizing sequence in which the pressurizing chamber is pressurized.Type: ApplicationFiled: January 9, 2018Publication date: July 26, 2018Inventors: Daiki TATSUTA, Ryoji FUJIMORI, Kaoru KOIKE
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Publication number: 20180093491Abstract: A liquid ejecting apparatus includes a liquid ejecting section from which liquid is ejected. A return passage has a first end connected to a supply passage at a first location and a second end connected to the supply passage at a second location. The second location is positioned closer to the liquid ejecting section than the first location. The return passage and the supply passage constitute a circulating passage. A pump can cause fluid to flow through the circulating passage. A replaceable filter unit is a portion of the return passage. A discharge passage through which the fluid is discharged to the outside is connected to the return passage. An inflow controller can suppress external fluid from entering the discharge passage.Type: ApplicationFiled: September 28, 2017Publication date: April 5, 2018Inventors: Masato MURAYAMA, Takeshi YOSHIDA, Kaoru KOIKE, Ryoji FUJIMORI
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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
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Publication number: 20180056656Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.Type: ApplicationFiled: October 31, 2017Publication date: March 1, 2018Inventors: Masato MURAYAMA, Ryoji FUJIMORI, Yuji AOKI, Toru SAITO, Masakazu OHASHI, Keiichiro YOSHINO, Satoru KOBAYASHI
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Publication number: 20180056664Abstract: 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: ApplicationFiled: August 15, 2017Publication date: March 1, 2018Inventors: Kaoru KOIKE, Ryoji FUJIMORI, Hiroki MATSUOKA, Toshihiro SHINBARA, Tsuyoshi HAYASHI
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Publication number: 20180029368Abstract: 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: ApplicationFiled: July 21, 2017Publication date: February 1, 2018Inventors: Toshio NAKATA, Ryoji FUJIMORI
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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: 9827771Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.Type: GrantFiled: July 18, 2016Date of Patent: November 28, 2017Assignee: Seiko Epson CorporationInventors: Masato Murayama, Ryoji Fujimori, Yuji Aoki, Toru Saito, Masakazu Ohashi, Keiichiro Yoshino, Satoru Kobayashi
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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: 20170217176Abstract: There is provided an ejecting unit for ejecting a first fluid from nozzles, including: a first connection port to flow the first fluid; a second connection port to flow a second fluid; a driving portion configured to eject the first fluid in a flow path which communicates with the first connection port and the nozzles, from the nozzles; a first chamber that communicates with the second connection port; and a second chamber that communicates with the second connection port.Type: ApplicationFiled: January 31, 2017Publication date: August 3, 2017Inventors: Masahiko SATO, Ryoji FUJIMORI, Kaoru KOIKE, Shigenori NAKAGAWA
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Patent number: 9676197Abstract: A liquid container 16 mountable to a printing apparatus 11 that performs printing by discharging a liquid and capable of storing a liquid supplied in a pressurized state is provided with a liquid introduction part 47 through which the liquid is introduced, a tank 38 capable of storing the liquid introduced from the liquid introduction part 47, and a liquid supply part 48 that supplies the liquid in the tank 38 to a printing apparatus 11, and the tank 38 is molded to have flexibility.Type: GrantFiled: November 2, 2015Date of Patent: June 13, 2017Assignee: Seiko Epson CorporationInventors: Masahiro Karasawa, Satoru Kobayashi, Hiroshi Nose, Naoki Naito, Ryoji Fujimori, Takeshi Iwamuro, Yuji Aoki
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Patent number: 9623665Abstract: A liquid container is configured to be placeable in a containing vessel having a pressurized space and a vessel-side liquid supply structure that is connected with a liquid consuming device. The liquid container comprises a liquid container body; a liquid supply structure that is configured to supply a liquid contained in the liquid container body to the vessel-side liquid supply structure; a container body holding assembly that is configured to hold the liquid container body; and a substrate holding structure that is provided in the container body holding assembly. The container body holding assembly is positioned relative to the containing vessel such that the liquid container body and the liquid supply structure are placed inside of the pressurized space and the substrate holding structure is placed outside of the pressurized space.Type: GrantFiled: January 19, 2016Date of Patent: April 18, 2017Assignee: Seiko Epson CorporationInventors: Yuji Aoki, Naoki Naito, Takeshi Iwamuro, Ryoji Fujimori, Keiichiro Yoshino
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Patent number: 9592673Abstract: A maintenance device includes a wiper that wipes a liquid ejecting unit; a double rack member which includes a rack sections made up of a first rack section and a second rack section and is configured to reciprocate the wiper; and an intermittent gear which includes a teeth portion which meshes with one of the two rack sections and a toothless portion which is arranged in line with the teeth portion in a rotation direction, wherein the double rack member allows the wiper to perform a forward motion when the first rack section meshes with the intermittent gear, and allows the wiper to perform a backward motion when the second rack section meshes with the intermittent gear.Type: GrantFiled: April 8, 2016Date of Patent: March 14, 2017Assignee: Seiko Epson CorporationInventors: Seiya Sato, Ryoji Fujimori, Shion Kubomura
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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
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Publication number: 20170036448Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.Type: ApplicationFiled: July 18, 2016Publication date: February 9, 2017Inventors: Masato MURAYAMA, Ryoji FUJIMORI, Yuji AOKI, Toru SAITO, Masakazu OHASHI, Keiichiro YOSHINO, Satoru KOBAYASHI