Patents by Inventor Yoshiharu Aruga
Yoshiharu Aruga 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: 10737504Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: December 6, 2019Date of Patent: August 11, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Publication number: 20200108625Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: December 6, 2019Publication date: April 9, 2020Applicant: SEIKO EPSON CORORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 10556442Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: March 29, 2019Date of Patent: February 11, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Publication number: 20190224983Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 10293617Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: May 15, 2018Date of Patent: May 21, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Publication number: 20180257385Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: May 15, 2018Publication date: September 13, 2018Applicant: SEIKO EPSON CORPORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 10005288Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: August 15, 2017Date of Patent: June 26, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Publication number: 20170341409Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: August 15, 2017Publication date: November 30, 2017Applicant: SEIKO EPSON CORPORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 9770917Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: February 17, 2017Date of Patent: September 26, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Publication number: 20170157946Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: February 17, 2017Publication date: June 8, 2017Applicant: SEIKO EPSON CORPORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 9616669Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: September 23, 2015Date of Patent: April 11, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Patent number: 9498966Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: January 11, 2016Date of Patent: November 22, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Publication number: 20160121616Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: January 11, 2016Publication date: May 5, 2016Applicant: SEIKO EPSON CORPORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Publication number: 20160009101Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: September 23, 2015Publication date: January 14, 2016Applicant: SEIKO EPSON CORPORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 9193159Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: October 9, 2014Date of Patent: November 24, 2015Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Patent number: 9102158Abstract: An inkjet textile printing apparatus includes a penetrant liquid storage tank, a textile printing colored liquid storage tank, and first to third flow passages. The penetrant liquid storage tank is configured and arranged to store a penetrant liquid that facilitates penetration of a textile printing colored liquid into a fabric. The textile printing colored liquid storage tank is configured and arranged to store the textile printing colored liquid. The first flow passage connects the penetrant liquid storage tank and a first nozzle together. The second flow passage connects the textile printing colored liquid storage tank and a second nozzle together. The third flow passage connects the first flow passage and the second flow passage together and forms a flow passage for supplying the penetrant liquid to the second nozzle.Type: GrantFiled: June 4, 2014Date of Patent: August 11, 2015Assignee: Seiko Epson CorporationInventors: Yoshiharu Aruga, Shuhei Mori
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Patent number: 9033458Abstract: A liquid ejecting head which includes a head unit in which a plurality of unit heads are arranged, a controller that transmits a control signal to the head unit, and a frame on which a plurality of the head units and the controllers are fixed, wherein the frame includes a head unit fixing section in which the head units are arranged side by side with the nozzle surface being exposed and a controller fixing section which is stacked on the head unit fixing section on the side opposite to the nozzle surface and in which the controllers are arranged side by side in an arrangement direction of the head units, the controller fixing section is composed of at least two layers, where the controllers which correspond to the adjacent head units are arranged alternately in the at least two layers in the controller fixing section.Type: GrantFiled: March 25, 2014Date of Patent: May 19, 2015Assignee: SEIKO EPSON CORPORATIONInventor: Yoshiharu Aruga
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Patent number: 8967776Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: March 31, 2014Date of Patent: March 3, 2015Assignee: Seiko Epson CorporationInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Publication number: 20150022596Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: October 9, 2014Publication date: January 22, 2015Inventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Publication number: 20140292859Abstract: A liquid ejecting head which includes a head unit in which a plurality of unit heads are arranged, a controller that transmits a control signal to the head unit, and a frame on which a plurality of the head units and the controllers are fixed, wherein the frame includes a head unit fixing section in which the head units are arranged side by side with the nozzle surface being exposed and a controller fixing section which is stacked on the head unit fixing section on the side opposite to the nozzle surface and in which the controllers are arranged side by side in an arrangement direction of the head units, the controller fixing section is composed of at least two layers, where the controllers which correspond to the adjacent head units are arranged alternately in the at least two layers in the controller fixing section.Type: ApplicationFiled: March 25, 2014Publication date: October 2, 2014Applicant: SEIKO EPSON CORPORATIONInventor: Yoshiharu ARUGA