Patents by Inventor Kazumi Aruga
Kazumi 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: 11020996Abstract: A method for warning an abnormality of a target object by using a self-organizing map prescribed by a plurality of nodes indicating a normal state of the target object includes acquiring detection data indicating a state of the target object, performing learning of the self-organizing map by using the detection data indicating a distance between a feature value and a node smaller than an abnormality threshold value predefined, storing the detection data indicating the distance larger than the abnormality threshold value in a storage unit as recorded data, and performing notification of the abnormality of the target object when the number of pieces of the recorded data stored in the storage unit reaches a predetermined number.Type: GrantFiled: January 9, 2019Date of Patent: June 1, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Shuji Otsuka, Kazumi Aruga
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Publication number: 20190210387Abstract: A method for warning an abnormality of a target object by using a self-organizing map prescribed by a plurality of nodes indicating a normal state of the target object includes acquiring detection data indicating a state of the target object, performing learning of the self-organizing map by using the detection data indicating a distance between a feature value and a node smaller than an abnormality threshold value predefined, storing the detection data indicating the distance larger than the abnormality threshold value in a storage unit as recorded data, and performing notification of the abnormality of the target object when the number of pieces of the recorded data stored in the storage unit reaches a predetermined number.Type: ApplicationFiled: January 9, 2019Publication date: July 11, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Shuji OTSUKA, Kazumi ARUGA
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Publication number: 20170276524Abstract: A flow rate detecting device according to an aspect of the invention includes a pipe which includes a bent portion and through which fluid is passed; two temperature detecting portions which detect the temperature of the fluid in the pipe; and a temperature changing portion which changes the temperature of the fluid in the pipe at an intermediate position in which distances between each of the two temperature detecting portions and the intermediate position are equidistant. The intermediate position is positioned in the bent portion in the pipe, and the bent portion is formed to be line symmetric with respect to a straight line passing through the intermediate position.Type: ApplicationFiled: March 17, 2017Publication date: September 28, 2017Inventors: Shuji OTSUKA, Kazumi ARUGA, Hidenori USUDA, Seiichi TANIGUCHI
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Patent number: 8790745Abstract: A method of manufacturing an electroluminescent display apparatus includes: discharging first droplets of the fluid luminescent material from the first nozzles to the target discharge areas when the first nozzles are positioned in an area above the target discharge areas so that all of the first droplets are arranged in the target discharge areas on different X-axis direction positions so as not to overlap each other when viewed in the Y-axis direction; and discharging second droplets of fluid luminescent material from the second nozzles to the target discharge areas to which the first droplets have been discharged when the second nozzles are positioned in the area above the target discharge areas after a predetermined period of time passed since the discharge of the first droplets to the target discharge areas.Type: GrantFiled: April 27, 2012Date of Patent: July 29, 2014Assignee: Seiko Epson CorporationInventors: Hiroshi Kiguchi, Kazumi Aruga, Mitsuru Kuribayashi
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Patent number: 8715774Abstract: A liquid droplet ejection method comprises: ejecting a liquid droplet of a functional liquids onto a substrate while scanning relatively the substrate and an ejection head. A plurality of kinds of functional liquids have different drying rates and are ejected onto respective different positions in respective scanning directions during the same scanning operation. Scanning regions of the plurality of kinds of the functional liquids at least partly are overlapped each other.Type: GrantFiled: April 3, 2008Date of Patent: May 6, 2014Assignee: Seiko Epson CorporationInventors: Tsuyoshi Kato, Kazumi Aruga
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Patent number: 8372471Abstract: An electro-optical device includes a substrate having a plurality of film-formation regions configured and arranged to receive a liquid material discharged from a plurality of nozzles of a nozzle row while the substrate and the nozzle row are moved relative to each other in a primary scanning direction. Each of the film-formation regions includes a plurality of landing positions in which the liquid material lands with the landing positions being set by a nozzle interval in a direction of the nozzle row and a discharge interval in the primary scanning direction. At least two or more of the film-formation regions include a portion in which a total number of the landing positions in the at least two or more of the film-formation regions that simultaneously face the nozzles is the same in the primary scanning direction.Type: GrantFiled: August 18, 2009Date of Patent: February 12, 2013Assignee: Seiko Epson CorporationInventors: Takeshi Ito, Kazumi Aruga, Satoru Katagami, Sadaharu Komori
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Patent number: 8349405Abstract: A liquid discharge method is a method for depositing liquid on a plurality of target discharge partitioned areas formed on a substrate as the liquid is selectively discharged from a plurality of discharge nozzles while the substrate and the discharge nozzles are moved relative to each other. The liquid discharge method includes setting an arrangement pattern according to shapes and positions of the target discharge partitioned areas so that a number of the discharge nozzles selected to be used among the discharge nozzles capable of depositing the liquid in the target discharge partitioned areas is the same in each discharge timing.Type: GrantFiled: August 18, 2009Date of Patent: January 8, 2013Assignee: Seiko Epson CorporationInventors: Takeshi Ito, Kazumi Aruga, Satoru Katagami, Sadaharu Komori
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Publication number: 20120213916Abstract: A method of manufacturing an electroluminescent display apparatus includes: discharging first droplets of the fluid luminescent material from the first nozzles to the target discharge areas when the first nozzles are positioned in an area above the target discharge areas so that all of the first droplets are arranged in the target discharge areas on different X-axis direction positions so as not to overlap each other when viewed in the Y-axis direction; and discharging second droplets of fluid luminescent material from the second nozzles to the target discharge areas to which the first droplets have been discharged when the second nozzles are positioned in the area above the target discharge areas after a predetermined period of time passed since the discharge of the first droplets to the target discharge areas.Type: ApplicationFiled: April 27, 2012Publication date: August 23, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Hiroshi KIGUCHI, Kazumi ARUGA, Mitsuru KURIBAYASHI
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Patent number: 8187668Abstract: A stage on which a substrate having target discharge areas is placed moves relative to a discharge head unit. When at least one of a plurality of first discharge nozzles of the discharge head unit reaches one of the target discharge areas, the first nozzle discharges a first droplet of fluid material to the target discharge area. When one of a plurality of second nozzles of the discharge head unit reaches the target discharge area to which the first droplet has been discharged, the second nozzle discharges a second droplet of the fluid material to the target discharge area. A first nozzle row of the first nozzles and a second nozzle row of the second nozzles are separated by a predetermined distance in a direction of the relative movement of the stage and the discharge head unit.Type: GrantFiled: February 1, 2008Date of Patent: May 29, 2012Assignee: Seiko Epson CorporationInventors: Hiroshi Kiguchi, Kazumi Aruga, Mitsuru Kuribayashi
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Patent number: 8071169Abstract: A droplet discharge method includes performing a plurality of scans in which a discharge head and a substrate are scanned relative to each other, discharging droplets of a plurality of types of functional liquid from the discharge head onto a plurality of prescribed portions on the substrate that are arranged in a matrix while the discharge head and the substrate are scanned. The discharging of the droplets includes discharging the droplets onto the prescribed portions over the plurality of scans so that centers of newly discharged droplets are made to land at one of positions that overlap with centers of landing positions of the droplets already discharged to the prescribed portions and positions that are offset in a row direction and in a column direction of the matrix from the centers of the landing positions of the droplets already discharged to the prescribed portions.Type: GrantFiled: June 13, 2006Date of Patent: December 6, 2011Assignee: Seiko Epson CorporationInventors: Tsuyoshi Kato, Kazumi Aruga
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Patent number: 7950785Abstract: A method of controlling a liquid droplet ejection apparatus includes: a pressure detecting step of detecting whether the pressure inside a functional liquid tank is below a lower-limit pressure of a working pressure or not; a step of confirming, when the pressure inside the functional liquid tank is below the lower-limit pressure, whether a functional liquid droplet ejection head is in imaging operation or not; and a pressurization control step of, upon confirmation that the functional liquid droplet ejection head is not in imaging operation, pressurizing the functional liquid tank to an upper-limit pressure of the working pressure.Type: GrantFiled: January 24, 2006Date of Patent: May 31, 2011Assignee: Seiko Epson CorporationInventors: Hidenori Usuda, Kazumi Aruga
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Patent number: 7851020Abstract: A method for discharging droplets includes: discharging droplets of a plurality of variations of functional liquids by a plurality of discharge heads, on a coated area from a plurality of nozzles installed in each of the discharge heads, while scanning relatively over the coated area provided on a substrate; wherein a location of the nozzles is shifted in an orthogonal direction for each of the discharge heads, the nozzles being installed in an orthogonal direction on both edges whose direction is approximately orthogonal to a scanning direction, and, at the same time, the plurality of nozzles being arranged in each of the discharge heads, so that an overlapped discharge area, where discharge areas of all variations of the functional liquid overlap upon scanning, is formed; and wherein the discharge heads perform scanning so that the overlapped discharge area includes at least part of the coated area that is provided along a side that extends in the scanning direction, when discharging droplets of the functioType: GrantFiled: June 9, 2006Date of Patent: December 14, 2010Assignee: Seiko Epson CorporationInventors: Nobuaki Nagae, Kazumi Aruga
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Patent number: 7800717Abstract: A liquid crystal display includes a first substrate, a second substrate disposed in a position opposite to the first substrate, a liquid crystal interposed between the first and second substrates, a plurality of color element regions provided on the second substrate, and a light shield formed so as to surround the color element regions. A width of the light shield varying depending on the color element region.Type: GrantFiled: January 8, 2007Date of Patent: September 21, 2010Assignee: Seiko Epson CorporationInventors: Mitsuru Kuribayashi, Kazumi Aruga, Akira Inagaki
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Patent number: 7791688Abstract: A liquid crystal device includes an electrode substrate having a plurality of pixel electrodes; an opposing substrate opposing the electrode substrate; a color filter having color elements colored with four colors or more, each color element opposing each of the pixel electrodes; a liquid crystal disposed between the electrode substrate and the opposing substrate; and an alignment control member extending on a face of at least one of the electrode substrate or the opposing substrate, the face contacting with the liquid crystal, wherein the alignment control member is formed in a position where corresponds to the color element colored with one of at least predetermined three colors among the four colors or more, and an area of which the alignment control member extends is determined by color and differs among the colors.Type: GrantFiled: January 4, 2007Date of Patent: September 7, 2010Assignee: Seiko Epson CorporationInventors: Mitsuru Kuribayashi, Kazumi Aruga, Akira Inagaki
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Publication number: 20100053266Abstract: An electro-optical device includes a substrate having a plurality of film-formation regions configured and arranged to receive a liquid material discharged from a plurality of nozzles of a nozzle row while the substrate and the nozzle row are moved relative to each other in a primary scanning direction. Each of the film-formation regions includes a plurality of landing positions in which the liquid material lands with the landing positions being set by a nozzle interval in a direction of the nozzle row and a discharge interval in the primary scanning direction. At least two or more of the film-formation regions include a portion in which a total number of the landing positions in the at least two or more of the film-formation regions that simultaneously face the nozzles is the same in the primary scanning direction.Type: ApplicationFiled: August 18, 2009Publication date: March 4, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Takeshi ITO, Kazumi ARUGA, Satoru KATAGAMI, Sadaharu KOMORI
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Publication number: 20100055324Abstract: A liquid discharge method is a method for depositing liquid on a plurality of target discharge partitioned areas formed on a substrate as the liquid is selectively discharged from a plurality of discharge nozzles while the substrate and the discharge nozzles are moved relative to each other. The liquid discharge method includes setting an arrangement pattern according to shapes and positions of the target discharge partitioned areas so that a number of the discharge nozzles selected to be used among the discharge nozzles capable of depositing the liquid in the target discharge partitioned areas is the same in each discharge timing.Type: ApplicationFiled: August 18, 2009Publication date: March 4, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Takeshi ITO, Kazumi ARUGA, Satoru KATAGAMI, Sadaharu KOMORI
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Patent number: 7655270Abstract: A droplet discharge method includes performing a plurality of scans in which a discharge head and a substrate are scanned relative to each other, and discharging droplets of a plurality of types of functional liquid from the discharge head onto a plurality of prescribed portions on the substrate configured and arranged to hold the discharged functional liquid while the discharge head and the substrate are scanned. The performing of the plurality of scans includes performing at least one full discharge scan for each of the prescribed portions so that the functional liquid is discharged over an entire region of each of the prescribed portions, and performing a partial discharge scan so that the functional liquid is discharged so as to avoid at least part of peripheral edges of the prescribed portions.Type: GrantFiled: May 30, 2006Date of Patent: February 2, 2010Assignee: Seiko Epson CorporationInventors: Nobuaki Nagae, Kazumi Aruga
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Patent number: 7517125Abstract: A backlight unit including: a light source that irradiates light; and a diffusing plate that diffuses the light irradiated from the light source, wherein the diffusing plate is provided with a first microlens of ellipsoid form, and a second microlens of ellipsoid form disposed in such a manner that long axes of the first microlens and the second microlens are approximately perpendicular to each other, and a long axis direction of the first microlens and a long axis direction of the light source are arranged approximately parallel to each other, and a long axis direction of the second microlens and the long axis direction of the light source are arranged approximately perpendicular to each other.Type: GrantFiled: June 12, 2006Date of Patent: April 14, 2009Assignee: Seiko Epson CorporationInventors: Hironori Hasei, Akira Inagaki, Kazumi Aruga
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Publication number: 20080187650Abstract: A liquid droplet ejection method comprises: ejecting a liquid droplet of a functional liquids onto a substrate while scanning relatively the substrate and an ejection head. A plurality of kinds of functional liquids have different drying rates and are ejected onto respective different positions in respective scanning directions during the same scanning operation. Scanning regions of the plurality of kinds of the functional liquids at least partly are overlapped each other.Type: ApplicationFiled: April 3, 2008Publication date: August 7, 2008Applicant: Seiko Epson CorporationInventors: Tsuyoshi KATO, Kazumi Aruga
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Publication number: 20080145519Abstract: A stage on which a substrate having target discharge areas is placed moves relative to a discharge head unit. When at least one of a plurality of first discharge nozzles of the discharge head unit reaches one of the target discharge areas, the first nozzle discharges a first droplet of fluid material to the target discharge area. When one of a plurality of second nozzles of the discharge head unit reaches the target discharge area to which the first droplet has been discharged, the second nozzle discharges a second droplet of the fluid material to the target discharge area. A first nozzle row of the first nozzles and a second nozzle row of the second nozzles are separated by a predetermined distance in a direction of the relative movement of the stage and the discharge head unit.Type: ApplicationFiled: February 1, 2008Publication date: June 19, 2008Applicant: SEIKO EPSON CORPORATIONInventors: Hiroshi KIGUCHI, Kazumi ARUGA, Mitsuru KURIBAYASHI