Patents by Inventor Shunsuke Watanabe
Shunsuke Watanabe 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: 20190149159Abstract: An atomic oscillator includes an atom cell that accommodates an alkali metal atom therein, a container that houses the atom cell, a substrate on which the container is disposed, and a thermally insulating mount that is fixed to the substrate and positions the container relative to the substrate.Type: ApplicationFiled: November 13, 2018Publication date: May 16, 2019Inventors: Yasunori ONISHI, Shunsuke WATANABE, Yukihiro HASHI
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Patent number: 10239318Abstract: A liquid discharge apparatus includes a plurality of pressure chambers that generate a pressure for discharging a liquid, a plurality of nozzles that communicate individually with the pressure chambers and that discharge the liquid, a common liquid chamber that includes a plurality of supply openings and that has, at an end portion side in an arrangement direction of the supply openings, a region in which flow speed of the liquid flowing toward the supply openings is higher than in another region, and a controller that controls a maintenance by expelling the liquid from the nozzles. During the maintenance, the controller controls expelling the liquid from a first nozzle to a second nozzle that is one of nozzles located on the end portion side of the first nozzle in the arrangement direction of the supply openings, in an order of the first nozzle to the second nozzle.Type: GrantFiled: July 26, 2017Date of Patent: March 26, 2019Assignee: Seiko Epson CorporationInventors: Hitoshi Takaai, Shunsuke Watanabe, Shingo Tomimatsu, Kohei Yuwaki
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Patent number: 10207503Abstract: A MEMS device includes a first substrate provided with a plurality of first electrode terminals and a second substrate composed of a crystalline substrate and provided with a plurality of second electrode terminals respectively corresponding to the first electrode terminals. The first electrode terminals and the second electrode terminals are electrically bonded one-to-one. Protrusions are formed at positions corresponding to the first electrode terminals on a mounting face of the second substrate opposing the first substrate. The second electrode terminals include the protrusions and conductive material covering the protrusions.Type: GrantFiled: January 13, 2017Date of Patent: February 19, 2019Assignee: Seiko Epson CorporationInventors: Motoki Takabe, Shingo Tomimatsu, Shunsuke Watanabe
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Patent number: 10195858Abstract: Provided is a liquid ejecting apparatus capable of suppressing ink from remaining on a nozzle surface. A liquid ejecting apparatus includes a head unit 16 capable of ejecting a liquid from a nozzle 27 provided in a nozzle surface 22a of a nozzle plate 22, an anchoring plate 17 in which the head unit 16 is anchored and that is provided with an opening region 17a that exposes the nozzle surface 22, and a wiper member 12 that wipes an anchoring plate exposed-surface 17b located on the opposite side of the head unit 16 of the anchoring plate 17 and the nozzle surface 22a. When an angle of contact between the nozzle surface 22a and the liquid is taken as ?n, an angle of contact between the anchoring plate exposed-surface 17b and the liquid is taken as ?s, and an angle of contact between the wiper member 12 and the liquid is taken as ?w, the relationship ?n>?s>?w>90° is fulfilled.Type: GrantFiled: November 22, 2016Date of Patent: February 5, 2019Assignee: Seiko Epson CorporationInventors: Shunsuke Watanabe, Yuma Fukuzawa, Katsumi Enomoto, Hiroaki Okui, Yoshinao Miyata, Satoshi Oguchi, Fujio Akahane
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Patent number: 10112392Abstract: A liquid ejecting head includes a plurality of stacked substrates that include a nozzle substrate having a nozzle from which liquid is ejected. A channel is formed in at least a part of the substrates and guides the liquid to the nozzle. The channel includes: a first channel that extends in an X direction intersecting a stacking direction in which the substrates are stacked; a curved section curved in a Z direction that intersects the X direction and contains a component of the stacking direction; and a second channel that extends from the curved section in the Z direction. A wall is formed in a corner portion inside the channel so as to intersect both the X and Z directions, and the corner portion is formed in the curved section between the inside walls of the first and second channels.Type: GrantFiled: February 9, 2017Date of Patent: October 30, 2018Assignee: Seiko Epson CorporationInventors: Shingo Tomimatsu, Shunsuke Watanabe
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Publication number: 20180264816Abstract: A liquid ejecting head includes a liquid ejection unit, a flexible substrate, and a case member. The liquid ejection unit includes a drive element, a pressure chamber, and a nozzle. The flexible substrate is electrically connected to the drive element. The case member includes a flow channel configured to supply the liquid to the pressure chamber and an opening portion through which the flexible substrate is inserted. The flexible substrate has a straight portion and a wide portion having a width more than that of the straight portion. The case member has a side wall surrounding the opening portion, and a cutout portion formed in the side wall and configured to release the opening portion outward from the side wall. Portions of the side wall across the cutout portion are positioned outside the straight portion of the flexible substrate disposed in the opening portion.Type: ApplicationFiled: March 6, 2018Publication date: September 20, 2018Inventors: Shingo TOMIMATSU, Shunsuke WATANABE
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Patent number: 10059107Abstract: Provided is a liquid ejecting head including a fixing plate which includes a first surface and a second surface on a side opposite to the first surface, a plurality of head units which are fixed to the second surface such that the head units can eject liquid to the first surface side of the fixing plate, and a case member which includes a wall portion that is formed to surround the head units and fixed to the fixing plate and which has a plurality of protrusion portions formed in a part of the wall portion, which is the portion facing the fixing plate.Type: GrantFiled: June 20, 2016Date of Patent: August 28, 2018Assignee: Seiko Epson CorporationInventors: Fujio Akahane, Hiroaki Okui, Shunsuke Watanabe
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Publication number: 20180197215Abstract: A billing system includes an operation unit, a determination unit, an extraction unit, a first calculator, and a second calculator. The operation unit receives an operation for executing a function provided by one device of a plurality of devices. The determination unit determines whether the one device is available for the function associated with the operation received by the operation unit. The extraction unit extracts another device that is available for the function as a substitute for the one device when the determination unit determines that the one device is not available for the function. The first calculator calculates a fee for the function to be executed by the other device. The second calculator calculates a total billed amount based on the fee calculated by the first calculator and content executed by the other device when the function is executed by the other device.Type: ApplicationFiled: July 11, 2016Publication date: July 12, 2018Applicant: RICOH COMPANY, LTD.Inventors: Takashi TORIUMI, Yasunori TSUKIOKA, Shunsuke WATANABE, Yuka KONNO, Katsumi TANAKA, Mie WATANABE, Hirohisa SAITOH, Hiroyuki SAKUYAMA, Tohru SASAKI, Atsushi OKAZATO
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Patent number: 10005280Abstract: A liquid ejecting head (100) includes a pressure chamber substrate (34) on which pressure chamber spaces (342) are formed; a flow path substrate (32) which includes a first face (F1) on which the pressure chamber substrate (34) is provided, and a second face (F2) on a side opposite to the first face (F1), and on which a space (R1), a supply hole (322) which causes the space (R1) and the pressure chamber space (342) to communicate, and a communicating hole (324) which communicates with the pressure chamber space (342) are formed; a nozzle plate (52) which is provided on the second face (F2), and on which nozzles (N) which communicate with the communicating hole (324) are formed; a housing (40) which is provided on the first face (F1), and in which a space (R2) which communicates with the space (R1) of the flow path substrate (32), and an opening portion (422) which communicates with the space (R2) are formed; a flexible compliance unit (54) which is provided on the second face (F2), and seals the communicatingType: GrantFiled: March 24, 2016Date of Patent: June 26, 2018Assignee: Seiko Epson CorporationInventors: Fumiya Takino, Shunsuke Watanabe, Kenta Anegawa
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Patent number: 10000060Abstract: A flow path forming substrate has a pressure generation chamber communicating with a nozzle opening; and a communication plate having a supply path communicating with a manifold common to and communicating with the pressure generation chamber. A recess of the manifold opens opposite to the flow path forming substrate. The recess has a first recess, and a second recess deeper than the first recess. Supply paths are open on a bottom surface of the first recess, and are arranged in a first direction between the first and second recesses. An inclined surface inclined toward the bottom surface of the second recess from the bottom surface of the first recess is provided along the first direction. The inclined surface is configured as alternately repeated first and second inclined surfaces with different angles. A pitch of adjacent second inclined surfaces is smaller than a pitch of adjacent supply paths.Type: GrantFiled: January 26, 2017Date of Patent: June 19, 2018Assignee: Seiko Epson CorporationInventors: Yoichi Naganuma, Shunsuke Watanabe, Motoki Takabe, Shingo Tomimatsu
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Patent number: 9969159Abstract: A liquid ejecting apparatus may include a flow path forming substrate in which a pressure generation chamber which communicates with a nozzle opening that discharges liquid is formed and a communication plate which has a supply path that communicates with a manifold. A recess portion which configures at least a part of the manifold is open on a side opposite to the flow path forming substrate, on the communication plate. The supply path includes a discharge supply path which communicates with a discharge pressure generation chamber that discharges liquid from the nozzle opening, and a dummy supply path which communicates with a dummy pressure generation chamber that does not discharge liquid from the nozzle opening.Type: GrantFiled: January 24, 2017Date of Patent: May 15, 2018Assignee: Seiko Epson CorporationInventors: Yoichi Naganuma, Shunsuke Watanabe, Motoki Takabe, Shingo Tomimatsu
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Patent number: 9962934Abstract: A liquid ejecting head includes a plurality of actuators, a plurality of pressure chambers that are provided so as to correspond to the actuators, and communicate with a common liquid chamber, a first member that defines the common liquid chamber, and includes a compliance sheet that absorbs vibrations of liquid on an upstream side of the common liquid chamber, and an inlet that is formed so as to penetrate the compliance sheet, a canopy portion that is provided at an open peripheral edge of the inlet of the first member, and has a receiving surface to which the compliance sheet is joined, and a receiving portion that is provided opposite the inlet across the canopy portion, and receives liquid introduced from the inlet.Type: GrantFiled: March 16, 2017Date of Patent: May 8, 2018Assignee: Seiko Epson CorporationInventors: Shunsuke Watanabe, Shingo Tomimatsu, Fumiya Takino
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Patent number: 9956773Abstract: A wall-shaped enclosure that forms a space which can accommodate a head chip is formed in a projecting manner at a lower end of a lower case member. Since a cylindrical thick part is formed at the lower end of the lower case member, the lower case member is unlikely to be bent, particularly around the wall-shaped enclosure and a part where the wall-shaped enclosure is disposed. The head chip that is disposed in the space of the lower case member which is unlikely to be bent is unlikely to be subjected to an external force, and the cover member absorbs torsion generated between the head chip and the lower case member so that the head chip is even more unlikely to be subjected to the external force.Type: GrantFiled: July 5, 2016Date of Patent: May 1, 2018Assignee: Seiko Epson CorporationInventors: Shunsuke Watanabe, Katsumi Enomoto, Ryota Kinoshita, Hiroyuki Ishii, Hiroshige Owaki, Takahiro Kanegae, Katsuhiro Okubo
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Publication number: 20180111372Abstract: A MEMS device includes a first substrate provided with a plurality of first electrode terminals and a second substrate composed of a crystalline substrate and provided with a plurality of second electrode terminals respectively corresponding to the first electrode terminals. The first electrode terminals and the second electrode terminals are electrically bonded one-to-one. Protrusions are formed at positions corresponding to the first electrode terminals on a mounting face of the second substrate opposing the first substrate. The second electrode terminals include the protrusions and conductive material covering the protrusions.Type: ApplicationFiled: January 13, 2017Publication date: April 26, 2018Inventors: Motoki Takabe, Shingo Tomimatsu, Shunsuke Watanabe
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Publication number: 20180043690Abstract: A liquid discharge apparatus includes a plurality of pressure chambers that generate a pressure for discharging a liquid, a plurality of nozzles that communicate individually with the pressure chambers and that discharge the liquid, a common liquid chamber that includes a plurality of supply openings and that has, at an end portion side in an arrangement direction of the supply openings, a region in which flow speed of the liquid flowing toward the supply openings is higher than in another region, and a controller that controls a maintenance by expelling the liquid from the nozzles. During the maintenance, the controller controls expelling the liquid from a first nozzle to a second nozzle that is one of nozzles located on the end portion side of the first nozzle in the arrangement direction of the supply openings, in an order of the first nozzle to the second nozzle.Type: ApplicationFiled: July 26, 2017Publication date: February 15, 2018Inventors: Hitoshi TAKAAI, Shunsuke WATANABE, Shingo TOMIMATSU, Kohei YUWAKI
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Patent number: 9889657Abstract: A liquid ejecting head includes a head main body in which nozzles are arranged along a first direction, a housing fixed to the head main body, a liquid storage chamber that includes a space formed in the housing, and stores the liquid supplied to the nozzles, an introducing port of the liquid communicating with the liquid storage chamber, and a plurality of beam-shaped units that are stretched over an inner wall face of the space in the housing, in which the plurality of beam-shaped units are provided with intervals such that a plurality of flow paths are arranged in the first direction from the introducing port, and, among the plurality of flow paths, a first flow path far away from the introducing port in the first direction has a flow path width in the first direction smaller than that of a second flow path close to the introducing port.Type: GrantFiled: September 13, 2016Date of Patent: February 13, 2018Assignee: Seiko Epson CorporationInventors: Shunsuke Watanabe, Shingo Tomimatsu
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Publication number: 20180022097Abstract: A liquid ejecting head (100) includes a pressure chamber substrate (34) on which pressure chamber spaces (342) are formed; a flow path substrate (32) which includes a first face (F1) on which the pressure chamber substrate (34) is provided, and a second face (F2) on a side opposite to the first face (F1), and on which a space (R1), a supply hole (322) which causes the space (R1) and the pressure chamber space (342) to communicate, and a communicating hole (324) which communicates with the pressure chamber space (342) are formed; a nozzle plate (52) which is provided on the second face (F2), and on which nozzles (N) which communicate with the communicating hole (324) are formed; a housing (40) which is provided on the first face (F1), and in which a space (R2) which communicates with the space (R1) of the flow path substrate (32), and an opening portion (422) which communicates with the space (R2) are formed; a flexible compliance unit (54) which is provided on the second face (F2), and seals the communicatingType: ApplicationFiled: March 24, 2016Publication date: January 25, 2018Inventors: Fumiya TAKINO, Shunsuke WATANABE, Kenta ANEGAWA
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Patent number: 9873249Abstract: A liquid ejecting head comprises a unit head bonded to a communication substrate. Liquid chamber forming portions are formed in the unit case, along a first direction at positions that are separated by a partition wall. Empty liquid chamber portions and supply-side communication paths are formed in the communication substrate. The supply-side communication paths include a common communication path formed in an opposite side with a thin thickness portion left in the surface side of the communication substrate, and individual communication paths. With a surface of the partition wall and a surface of the thin thickness portion bonded together, the empty liquid chamber forming portions and the empty liquid chamber portions communicate with each other so as to define common liquid chambers.Type: GrantFiled: May 11, 2016Date of Patent: January 23, 2018Assignee: Seiko Epson CorporationInventors: Shunsuke Watanabe, Yoshinao Miyata, Satoshi Oguchi, Hiroaki Okui
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Patent number: 9827764Abstract: A liquid ejecting head includes a pressure chamber substrate in which a pressure chamber space is formed, a flow path substrate having a first surface on which the pressure chamber substrate is installed and a second surface that is on the opposite side to the first surface, and in which a first space, a supply hole that enables communication between the first space and the pressure chamber space, and a communication hole that communicates with the pressure chamber space are formed, a nozzle plate that is installed on the second surface and in which a nozzle that communicates with the communication hole is formed, a second space that is installed on the first surface and that communicates with the first space of the flow path substrate, a housing unit in which an opening portion that communicates with the second space is formed, a compliance unit that is flexible and installed on the second surface and that seals the communication hole and the first space, and a beam-like portion that extends between inner waType: GrantFiled: March 23, 2016Date of Patent: November 28, 2017Assignee: Seiko Epson CorporationInventors: Fumiya Takino, Shunsuke Watanabe, Kenta Anegawa
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Patent number: 9821555Abstract: A liquid ejecting head includes a liquid discharge unit with a pressure generating chamber group which communicates with a nozzle disposed on a nozzle surface and is formed from pressure generating chambers disposed in a first direction, and a case member which communicates with the pressure generating chamber group and holds a liquid. The case member has a liquid inlet on the side opposite to the liquid discharge direction and at a position between the pressure generating chambers at both ends in the first direction. First and second liquid discharge units are arranged at positions where the first directions of the first and second liquid discharge units are parallel to each other in a second direction that is orthogonal to the first direction, and positions of the liquid inlets of the case member respectively corresponding to the first and second liquid discharge units do not overlap in the second direction.Type: GrantFiled: March 1, 2016Date of Patent: November 21, 2017Assignee: Seiko Epson CorporationInventors: Katsumi Enomoto, Shunsuke Watanabe