Patents by Inventor Toshihiro Yokozawa
Toshihiro Yokozawa 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: 11084297Abstract: A liquid supply device includes a connection body which includes a liquid introduction portion which is capable of connecting to a liquid outlet portion of a liquid container which includes the liquid outlet portion which contains the liquid which is supplied to the liquid ejecting unit which ejects the liquid and is capable of guiding out the liquid, a liquid container support portion which is capable of supporting the liquid container in a state in which the liquid introduction portion is capable of being connected to the liquid outlet portion to be capable of being freely attached and detached, and a connection body holding portion which holds the connection body in a state in which a connection of the liquid introduction portion with the liquid outlet portion is released.Type: GrantFiled: March 12, 2019Date of Patent: August 10, 2021Assignee: Seiko Epson CorporationInventors: Toshihiro Yokozawa, Jun Shimazaki, Junpei Yamashita, Katsumi Shinkai, Masahiro Nakamura
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Publication number: 20200180321Abstract: A liquid supply device includes a connection body which includes a liquid introduction portion which is capable of connecting to a liquid outlet portion of a liquid container which includes the liquid outlet portion which contains the liquid which is supplied to the liquid ejecting unit which ejects the liquid and is capable of guiding out the liquid, a liquid container support portion which is capable of supporting the liquid container in a state in which the liquid introduction portion is capable of being connected to the liquid outlet portion to be capable of being freely attached and detached, and a connection body holding portion which holds the connection body in a state in which a connection of the liquid introduction portion with the liquid outlet portion is released.Type: ApplicationFiled: March 12, 2019Publication date: June 11, 2020Inventors: Toshihiro YOKOZAWA, Jun SHIMAZAKI, Junpei YAMASHITA, Katsumi SHINKAI, Masahiro NAKAMURA
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Publication number: 20190270314Abstract: A liquid supply device includes a connection body which includes a liquid introduction portion which is capable of connecting to a liquid outlet portion of a liquid container which includes the liquid outlet portion which contains the liquid which is supplied to the liquid ejecting unit which ejects the liquid and is capable of guiding out the liquid, a liquid container support portion which is capable of supporting the liquid container in a state in which the liquid introduction portion is capable of being connected to the liquid outlet portion to be capable of being freely attached and detached, and a connection body holding portion which holds the connection body in a state in which a connection of the liquid introduction portion with the liquid outlet portion is released.Type: ApplicationFiled: March 12, 2019Publication date: September 5, 2019Inventors: Toshihiro YOKOZAWA, Jun SHIMAZAKI, Junpei YAMASHITA, Katsumi SHINKAI, Masahiro NAKAMURA
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Patent number: 10286677Abstract: A liquid supply device includes a connection body which includes a liquid introduction portion which is capable of connecting to a liquid outlet portion of a liquid container which includes the liquid outlet portion which contains the liquid which is supplied to the liquid ejecting unit which ejects the liquid and is capable of guiding out the liquid, a liquid container support portion which is capable of supporting the liquid container in a state in which the liquid introduction portion is capable of being connected to the liquid outlet portion to be capable of being freely attached and detached, and a connection body holding portion which holds the connection body in a state in which a connection of the liquid introduction portion with the liquid outlet portion is released.Type: GrantFiled: July 6, 2017Date of Patent: May 14, 2019Assignee: Seiko Epson CorporationInventors: Toshihiro Yokozawa, Jun Shimazaki, Junpei Yamashita, Katsumi Shinkai, Masahiro Nakamura
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Publication number: 20180009231Abstract: A liquid supply device includes a connection body which includes a liquid introduction portion which is capable of connecting to a liquid outlet portion of a liquid container which includes the liquid outlet portion which contains the liquid which is supplied to the liquid ejecting unit which ejects the liquid and is capable of guiding out the liquid, a liquid container support portion which is capable of supporting the liquid container in a state in which the liquid introduction portion is capable of being connected to the liquid outlet portion to be capable of being freely attached and detached, and a connection body holding portion which holds the connection body in a state in which a connection of the liquid introduction portion with the liquid outlet portion is released.Type: ApplicationFiled: July 6, 2017Publication date: January 11, 2018Inventors: Toshihiro YOKOZAWA, Jun SHIMAZAKI, Junpei YAMASHITA, Katsumi SHINKAI, Masahiro NAKAMURA
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Publication number: 20150273357Abstract: Provided is a liquid accommodation container manufacturing method which includes pre-pouring liquid from a storage portion for storing the liquid to a container for accommodating the liquid through a first piping portion, recovering the liquid from the container to the storage portion, and main-pouring the recovered liquid to the container through the first piping portion. Furthermore, the first piping portion has a degasification unit which communicates with the first piping portion and performs degasification of the liquid flowing therethrough. In addition, in at least a part of the pre-pouring and the main-pouring, a liquid feeding operation in which the liquid of the amount equal to or less than the capacity of the degasification unit is fed and a stop operation in which feeding of the liquid is stopped are alternately repeated and the liquid is subjected to degasification by the degasification unit.Type: ApplicationFiled: March 19, 2015Publication date: October 1, 2015Inventor: Toshihiro YOKOZAWA
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Publication number: 20150266307Abstract: Provided is an ink jet system including an ink supply mechanism which supplies a photoreactive ink to an ink jet head, and an ink recovery mechanism which recovers the photoreactive ink emitted from the ink jet head and the ink supply mechanism includes a first ink path through which the photoreactive ink flows. The ink recovery mechanism includes a second ink path through which the photoreactive ink flows. Furthermore, the first ink path has light shielding properties. In addition, an observation area through which the photoreactive ink flowing in the second ink path can be observed is provided in at least a part of the second ink path.Type: ApplicationFiled: March 13, 2015Publication date: September 24, 2015Inventor: Toshihiro YOKOZAWA
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Patent number: 8944575Abstract: A pressure-regulating valve in which the pressure of a functional liquid fed to a primary chamber from a functional liquid feeding means is regulated by opening and closing a valve body, the functional liquid is fed to a secondary chamber, and the functional liquid is fed from the secondary chamber to an inkjet-type functional droplet ejection head; wherein the valve body has a valve body main body that directly opens and closes with respect to a valve seat, the valve body main body being provided to the primary chamber; and a valve holder including a holding part that holds the valve body main body and an actuating shaft that comes in contact with a pressure-receiving membrane, the actuating shaft extending concentrically through the communication flow passage from the holding part; the actuating shaft is formed so as to taper to a point toward the pressure-receiving membrane; and the communication flow passage is formed to have a complementary shape with respect to the actuating shaft.Type: GrantFiled: January 19, 2010Date of Patent: February 3, 2015Assignee: Seiko Epson CorporationInventors: Toshihiro Yokozawa, Takahiro Yamashita, Seiji Kinoshita
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Patent number: 8827437Abstract: A printing method includes preprocessing a substrate by irradiating the substrate in a heated state with an activation light beam, and printing, after the preprocessing, a predetermined pattern on the substrate by ejecting a droplet to the substrate.Type: GrantFiled: November 21, 2011Date of Patent: September 9, 2014Assignee: Seiko Epson CorporationInventors: Toshihiro Yokozawa, Masahiro Ido
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Patent number: 8783830Abstract: A droplet ejecting device includes an ejection head, a moving body, a guide part, an attachment part, a fixed part and a liquid reservoir. The ejection head is configured and arranged to eject liquid droplets onto a substrate. The moving body supports the ejection head, and is configured and arranged to move integrally with the ejection head with respect to the substrate. The guide part is configured and arranged to guide a relative movement of the moving body. The attachment part is attached to the guide part and supporting the moving body, and configured and arranged to move integrally with the moving body. The fixed part is fixed to the attachment part separately from the moving body. The liquid reservoir is provided to the fixed part, and configured and arranged to store the liquid supplied to the ejection head.Type: GrantFiled: March 29, 2012Date of Patent: July 22, 2014Assignee: Seiko Epson CorporationInventors: Shuichi Kanemoto, Toshihiro Yokozawa
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Patent number: 8783848Abstract: A marking device includes a plurality of treatment devices, a transporting part, a static eliminator and a controller. Each of the treatment devices is configured and arranged to perform a treatment on a base material. The transporting part is configured and arranged to transport the base material between the treatment devices. The static eliminator is disposed near a path along which the base material is transported by the transporting part. The controller is configured to control the transporting part to follow a transport path routed via the static eliminator when the base material is transported to the treatment devices.Type: GrantFiled: March 9, 2012Date of Patent: July 22, 2014Assignee: Seiko Epson CorporationInventor: Toshihiro Yokozawa
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Patent number: 8641176Abstract: A pressure-regulating valve for opening and closing, based on atmospheric pressure, a valve body provided to a communication flow passage via which a primary chamber and a secondary chamber communicate inside a valve housing, with the aid of a pressure-receiving membrane that constitutes one surface of the secondary chamber, for regulating the pressure of a liquid fed to the primary chamber via an inflow port, and for feeding the liquid from the secondary chamber via an outflow port; the pressure-regulating valve wherein a cover is provided for allowing action of the pressure-receiving membrane and for covering the pressure-receiving membrane; and the cover has light-blocking properties.Type: GrantFiled: February 19, 2010Date of Patent: February 4, 2014Assignee: Seiko Epson CorporationInventors: Toshihiro Yokozawa, Takahiro Yamashita, Seiji Kinoshita
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Patent number: 8376529Abstract: An internal wall of a secondary chamber excluding one surface includes a flat wall portion with a secondary-chamber-side opening of the communication flow passage being formed in the center portion thereof; a conforming wall portion with which a diaphragm deformed maximally in the minus direction makes conforming contact, the conforming wall portion being connected to the outside of the flat wall portion and having an outflow opening communicating with an outflow port formed at the bottom of the conforming wall portion; and a flow passage groove extending upward from the flat wall portion to cut into the conforming wall portion.Type: GrantFiled: January 19, 2010Date of Patent: February 19, 2013Assignee: Seiko Epson CorporationInventors: Toshihiro Yokozawa, Seiji Kinoshita, Takahiro Yamashita
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Publication number: 20120249683Abstract: A droplet ejecting device includes an ejection head, a moving body, a guide part, an attachment part, a fixed part and a liquid reservoir. The ejection head is configured and arranged to eject liquid droplets onto a substrate. The moving body supports the ejection head, and is configured and arranged to move integrally with the ejection head with respect to the substrate. The guide part is configured and arranged to guide a relative movement of the moving body. The attachment part is attached to the guide part and supporting the moving body, and configured and arranged to move integrally with the moving body. The fixed part is fixed to the attachment part separately from the moving body. The liquid reservoir is provided to the fixed part, and configured and arranged to store the liquid supplied to the ejection head.Type: ApplicationFiled: March 29, 2012Publication date: October 4, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Shuichi KANEMOTO, Toshihiro YOKOZAWA
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Publication number: 20120236097Abstract: A marking device includes a plurality of treatment devices, a transporting part, a static eliminator and a controller. Each of the treatment devices is configured and arranged to perform a treatment on a base material. The transporting part is configured and arranged to transport the base material between the treatment devices. The static eliminator is disposed near a path along which the base material is transported by the transporting part. The controller is configured to control the transporting part to follow a transport path routed via the static eliminator when the base material is transported to the treatment devices.Type: ApplicationFiled: March 9, 2012Publication date: September 20, 2012Applicant: SEIKO EPSON CORPORATIONInventor: Toshihiro YOKOZAWA
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Publication number: 20120133721Abstract: A printing method includes preprocessing a substrate by irradiating the substrate in a heated state with an activation light beam, and printing, after the preprocessing, a predetermined pattern on the substrate by ejecting a droplet to the substrate.Type: ApplicationFiled: November 21, 2011Publication date: May 31, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Toshihiro YOKOZAWA, Masahiro IDO
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Publication number: 20100231661Abstract: A pressure-regulating valve for opening and closing, based on atmospheric pressure, a valve body provided to a communication flow passage via which a primary chamber and a secondary chamber communicate inside a valve housing, with the aid of a pressure-receiving membrane that constitutes one surface of the secondary chamber, for regulating the pressure of a liquid fed to the primary chamber via an inflow port, and for feeding the liquid from the secondary chamber via an outflow port; the pressure-regulating valve wherein a cover is provided for allowing action of the pressure-receiving membrane and for covering the pressure-receiving membrane; and the cover has light-blocking properties.Type: ApplicationFiled: February 19, 2010Publication date: September 16, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Toshihiro YOKOZAWA, Takahiro YAMASHITA, Seiji KINOSHITA
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Publication number: 20100214377Abstract: An internal wall of a secondary chamber excluding one surface includes a flat wall portion with a secondary-chamber-side opening of the communication flow passage being formed in the center portion thereof; a conforming wall portion with which a diaphragm deformed maximally in the minus direction makes conforming contact, the conforming wall portion being connected to the outside of the flat wall portion and having an outflow opening communicating with an outflow port formed at the bottom of the conforming wall portion; and a flow passage groove extending upward from the flat wall portion to cut into the conforming wall portion.Type: ApplicationFiled: January 19, 2010Publication date: August 26, 2010Applicant: Seiko Epson CorporationInventors: Toshihiro YOKOZAWA, Seiji KINOSHITA, Takahiro YAMASHITA
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Publication number: 20100208001Abstract: A pressure-regulating valve in which the pressure of a functional liquid fed to a primary chamber from a functional liquid feeding means is regulated by opening and closing a valve body, the functional liquid is fed to a secondary chamber, and the functional liquid is fed from the secondary chamber to an inkjet-type functional droplet ejection head; wherein the valve body has a valve body main body that directly opens and closes with respect to a valve seat, the valve body main body being provided to the primary chamber; and a valve holder including a holding part that holds the valve body main body and an actuating shaft that comes in contact with a pressure-receiving membrane, the actuating shaft extending concentrically through the communication flow passage from the holding part; the actuating shaft is formed so as to taper to a point toward the pressure-receiving membrane; and the communication flow passage is formed to have a complementary shape with respect to the actuating shaft.Type: ApplicationFiled: January 19, 2010Publication date: August 19, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Toshihiro YOKOZAWA, Takahiro YAMASHITA, Seiji KINOSHITA