Patents by Inventor Masato Suga
Masato Suga 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: 10920907Abstract: A diagnosis method is provided for appropriately predicting a state change of a valve with a simple configuration.Type: GrantFiled: March 16, 2017Date of Patent: February 16, 2021Assignees: TOMOE VALVE CO., LTD., THE RITSUMEIKAN TRUSTInventors: Masato Suga, Manabu Miyamoto, Yasutoshi Nomura
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Publication number: 20190107463Abstract: A diagnosis method is provided for appropriately predicting a state change of a valve with a simple configuration.Type: ApplicationFiled: March 16, 2017Publication date: April 11, 2019Inventors: Masato SUGA, Manabu MIYAMOTO, Yasutoshi NOMURA
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Patent number: 8884375Abstract: A disclosed semiconductor integrated circuit device includes a semiconductor substrate; and multiple semiconductor elements disposed on the semiconductor substrate. The semiconductor elements include an n-channel MOS transistor and a p-channel MOS transistor. The n-channel MOS transistor is covered by a tensile stress film, and the p-channel MOS transistor is covered by a compressive stress film. A dummy region, the entire surface of which is covered by a combination of the tensile stress film and the compressive stress film, is disposed on the surface of the semiconductor substrate.Type: GrantFiled: September 17, 2009Date of Patent: November 11, 2014Assignee: Fujitsu Semiconductor LimitedInventors: Satoshi Nakai, Masato Suga, Jusuke Ogura
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Patent number: 8790974Abstract: A method of manufacturing a semiconductor integrated circuit device which includes a semiconductor substrate; and multiple semiconductor elements disposed on the semiconductor substrate. The semiconductor elements include an n-channel MOS transistor and a p-channel MOS transistor. The n-channel MOS transistor is covered by a tensile stress film, and the p-channel MOS transistor is covered by a compressive stress film. A dummy region, the entire surface of which is covered by a combination of the tensile stress film and the compressive stress film, is disposed on the surface of the semiconductor substrate.Type: GrantFiled: September 20, 2013Date of Patent: July 29, 2014Assignee: Fujitsu Semiconductor LimitedInventors: Satoshi Nakai, Masato Suga, Jusuke Ogura
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Publication number: 20140024224Abstract: A method of manufacturing a semiconductor integrated circuit device which includes a semiconductor substrate; and multiple semiconductor elements disposed on the semiconductor substrate. The semiconductor elements include an n-channel MOS transistor and a p-channel MOS transistor. The n-channel MOS transistor is covered by a tensile stress film, and the p-channel MOS transistor is covered by a compressive stress film. A dummy region, the entire surface of which is covered by a combination of the tensile stress film and the compressive stress film, is disposed on the surface of the semiconductor substrate.Type: ApplicationFiled: September 20, 2013Publication date: January 23, 2014Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventors: Satoshi Nakai, Masato Suga, Jusuke Ogura
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Publication number: 20100001350Abstract: A disclosed semiconductor integrated circuit device includes a semiconductor substrate; and multiple semiconductor elements disposed on the semiconductor substrate. The semiconductor elements include an n-channel MOS transistor and a p-channel MOS transistor. The n-channel MOS transistor is covered by a tensile stress film, and the p-channel MOS transistor is covered by a compressive stress film. A dummy region, the entire surface of which is covered by a combination of the tensile stress film and the compressive stress film, is disposed on the surface of the semiconductor substrate.Type: ApplicationFiled: September 17, 2009Publication date: January 7, 2010Applicant: FUJITSU MICROELECTRONICS LIMITEDInventors: Satoshi Nakai, Masato Suga, Jusuke Ogura
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Patent number: 7642624Abstract: A multilayer interconnection structure of a semiconductor device includes a first guard ring extending continuously along a periphery of a substrate and a second guard ring extending continuously in the multilayer interconnection structure along the periphery so as to be encircled by the first guard ring and so as to encircle an interconnection pattern inside the multilayer interconnection structure, wherein the first and second guard rings are connected with each other mechanically and continuously by a bridging conductor pattern extending continuously in a band form along a region including the first and second guard rings when viewed in the direction perpendicular to the substrate.Type: GrantFiled: July 6, 2007Date of Patent: January 5, 2010Assignee: Fujitsu Microelectronics LimitedInventors: Shigetoshi Wakayama, Matsuaki Kai, Hiroyuki Kato, Masato Suga
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Patent number: 7393775Abstract: A semiconductor integrated circuit device having a plurality of circuit elements and a plurality of wires connecting the circuit elements, includes an orthogonal wire having a first minimum wire width which is formed on a first wiring layer and extends horizontally or vertically; a diagonal wire having a second minimum wire width which is substantially equal to the first minimum wire width, formed on a second wiring layer which differs from the first wiring layer and extending in a diagonal direction in relation to the orthogonal wire; and a via having a size which is no greater than the first or second wire width, formed at point at which the orthogonal wire and diagonal wire overlap so as to connect the orthogonal wire and diagonal wire, wherein one of the diagonal wire and orthogonal wire includes an enlarged wire width region in the position at which the via is formed, the wire width of the enlarged wire width region being enlarged beyond the first or second minimum wire width.Type: GrantFiled: January 16, 2007Date of Patent: July 1, 2008Assignee: Fujitsu LimitedInventor: Masato Suga
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Publication number: 20070257371Abstract: A multilayer interconnection structure of a semiconductor device includes a first guard ring extending continuously along a periphery of a substrate and a second guard ring extending continuously in the multilayer interconnection structure along the periphery so as to be encircled by the first guard ring and so as to encircle an interconnection pattern inside the multilayer interconnection structure, wherein the first and second guard rings are connected with each other mechanically and continuously by a bridging conductor pattern extending continuously in a band form along a region including the first and second guard rings when viewed in the direction perpendicular to the substrate.Type: ApplicationFiled: July 6, 2007Publication date: November 8, 2007Applicant: FUJITSU LIMITEDInventors: Shigetoshi Wakayama, Mutsuaki Kai, Hiroyuki Kato, Masato Suga
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Publication number: 20070200245Abstract: Capacitance generated by a dummy pattern can be reduced without lowering wiring density by arranging the dummy pattern on one wiring layer in a manner responding to an actual pattern or the dummy pattern on the other wiring layer, whereby at least one of the following can be improved: distances between dummy patterns on different wiring layers, overlapped areas of dummy patterns, and such side length of the dummy pattern as opposed to the actual pattern on the same wiring layer.Type: ApplicationFiled: May 1, 2007Publication date: August 30, 2007Applicant: Fujitsu LimitedInventor: Masato Suga
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Patent number: 7256474Abstract: A multilayer interconnection structure of a semiconductor device includes a first guard ring extending continuously along a periphery of a substrate and a second guard ring extending continuously in the multilayer interconnection structure along the periphery so as to be encircled by the first guard ring and so as to encircle an interconnection pattern inside the multilayer interconnection structure, wherein the first and second guard rings are connected with each other mechanically and continuously by a bridging conductor pattern extending continuously in a band form along a region including the first and second guard rings when viewed in the direction perpendicular to the substrate.Type: GrantFiled: February 13, 2004Date of Patent: August 14, 2007Assignee: Fujitsu LimitedInventors: Shigetoshi Wakayama, Mutsuaki Kai, Hiroyuki Kato, Masato Suga
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Patent number: 7226855Abstract: A semiconductor integrated circuit device having a plurality of circuit elements and a plurality of wires connecting the circuit elements, includes an orthogonal wire having a first minimum wire width which is formed on a first wiring layer and extends horizontally or vertically; a diagonal wire having a second minimum wire width which is substantially equal to the first minimum wire width, formed on a second wiring layer which differs from the first wiring layer and extending in a diagonal direction in relation to the orthogonal wire; and a via having a size which is no greater than the first or second wire width, formed at point at which the orthogonal wire and diagonal wire overlap so as to connect the orthogonal wire and diagonal wire, wherein one of the diagonal wire and orthogonal wire includes an enlarged wire width region in the position at which the via is formed, the wire width of the enlarged wire width region being enlarged beyond the first or second minimum wire width.Type: GrantFiled: January 25, 2006Date of Patent: June 5, 2007Assignee: Fujitsu LimitedInventor: Masato Suga
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Publication number: 20070117231Abstract: A semiconductor integrated circuit device having a plurality of circuit elements and a plurality of wires connecting the circuit elements, includes an orthogonal wire having a first minimum wire width which is formed on a first wiring layer and extends horizontally or vertically; a diagonal wire having a second minimum wire width which is substantially equal to the first minimum wire width, formed on a second wiring layer which differs from the first wiring layer and extending in a diagonal direction in relation to the orthogonal wire; and a via having a size which is no greater than the first or second wire width, formed at point at which the orthogonal wire and diagonal wire overlap so as to connect the orthogonal wire and diagonal wire, wherein one of the diagonal wire and orthogonal wire includes an enlarged wire width region in the position at which the via is formed, the wire width of the enlarged wire width region being enlarged beyond the first or second minimum wire width.Type: ApplicationFiled: January 16, 2007Publication date: May 24, 2007Applicant: FUJITSU LIMITEDInventor: Masato Suga
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Publication number: 20070090486Abstract: The fuse comprises an interconnection part 14 luding a silicon layer; a contact part 20b connected one end of the interconnection part 14; and a contact part 20aconnected to the other end of the interconnection part 14 and containing a metal material. A current is flowed from the contact part 20bto the contact part 20a to migrate the metal material of the contact part 20a to the silicon layer to thereby change the contact resistance between the interconnection part 14 and the contact part 20a.Type: ApplicationFiled: January 23, 2006Publication date: April 26, 2007Applicant: FUJITSU LIMITEDInventors: Satoshi Otsuka, Toyoji Sawada, Masato Suga, Jun Nagayama, Motonobu Sato, Takashi Suzuki
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Patent number: 7183659Abstract: A semiconductor integrated circuit device having a plurality of circuit elements and a plurality of wires connecting the circuit elements, includes an orthogonal wire having a first minimum wire width which is formed on a first wiring layer and extends horizontally or vertically; a diagonal wire having a second minimum wire width which is substantially equal to the first minimum wire width, formed on a second wiring layer which differs from the first wiring layer and extending in a diagonal direction in relation to the orthogonal wire; and a via having a size which is no greater than the first or second wire width, formed at point at which the orthogonal wire and diagonal wire overlap so as to connect the orthogonal wire and diagonal wire, wherein one of the diagonal wire and orthogonal wire includes an enlarged wire width region in the position at which the via is formed, the wire width of the enlarged wire width region being enlarged beyond the first or second minimum wire width.Type: GrantFiled: January 25, 2006Date of Patent: February 27, 2007Assignee: Fujitsu LimitedInventor: Masato Suga
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Publication number: 20060223304Abstract: A first dummy pattern is arranged in the region allowed to generate the first dummy pattern, after that, the second dummy pattern is generated in the region not allowed to generate the first dummy pattern but allowed to generate the second dummy pattern to thereby enable to arrange the dummy patterns in an efficient manner in the wiring layer, so that the wiring density can be improved and differences in the wiring densities can be reduced.Type: ApplicationFiled: June 5, 2006Publication date: October 5, 2006Applicant: FUJITSU LIMITEDInventors: Masato Suga, Satoshi Otsuka
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Publication number: 20060118967Abstract: A semiconductor integrated circuit device having a plurality of circuit elements and a plurality of wires connecting the circuit elements, includes an orthogonal wire having a first minimum wire width which is formed on a first wiring layer and extends horizontally or vertically; a diagonal wire having a second minimum wire width which is substantially equal to the first minimum wire width, formed on a second wiring layer which differs from the first wiring layer and extending in a diagonal direction in relation to the orthogonal wire; and a via having a size which is no greater than the first or second wire width, formed at point at which the orthogonal wire and diagonal wire overlap so as to connect the orthogonal wire and diagonal wire, wherein one of the diagonal wire and orthogonal wire includes an enlarged wire width region in the position at which the via is formed, the wire width of the enlarged wire width region being enlarged beyond the first or second minimum wire width.Type: ApplicationFiled: January 25, 2006Publication date: June 8, 2006Applicant: FUJITSU LIMITEDInventor: Masato Suga
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Publication number: 20060118966Abstract: A semiconductor integrated circuit device having a plurality of circuit elements and a plurality of wires connecting the circuit elements, includes an orthogonal wire having a first minimum wire width which is formed on a first wiring layer and extends horizontally or vertically; a diagonal wire having a second minimum wire width which is substantially equal to the first minimum wire width, formed on a second wiring layer which differs from the first wiring layer and extending in a diagonal direction in relation to the orthogonal wire; and a via having a size which is no greater than the first or second wire width, formed at point at which the orthogonal wire and diagonal wire overlap so as to connect the orthogonal wire and diagonal wire, wherein one of the diagonal wire and orthogonal wire includes an enlarged wire width region in the position at which the via is formed, the wire width of the enlarged wire width region being enlarged beyond the first or second minimum wire width.Type: ApplicationFiled: January 25, 2006Publication date: June 8, 2006Applicant: FUJITSU LIMITEDInventor: Masato Suga
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Patent number: 7023094Abstract: A semiconductor integrated circuit device having a plurality of circuit elements and a plurality of wires connecting the circuit elements, includes an orthogonal wire having a first minimum wire width which is formed on a first wiring layer and extends horizontally or vertically; a diagonal wire having a second minimum wire width which is substantially equal to the first minimum wire width, formed on a second wiring layer which differs from the first wiring layer and extending in a diagonal direction in relation to the orthogonal wire; and a via having a size which is no greater than the first or second wire width, formed at point at which the orthogonal wire and diagonal wire overlap so as to connect the orthogonal wire and diagonal wire, wherein one of the diagonal wire and orthogonal wire includes an enlarged wire width region in the position at which the via is formed, the wire width of the enlarged wire width region being enlarged beyond the first or second minimum wire width.Type: GrantFiled: March 16, 2004Date of Patent: April 4, 2006Assignee: Fujitsu LimitedInventor: Masato Suga
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Patent number: 6940317Abstract: A semiconductor integrated circuit includes first and second field-effect transistors which have on/off states thereof being controlled by an incoming signal varying within a first potential range, third and fourth field-effect transistors which are controlled by the on/off states of the first and second filed-effect transistors, a node from which an output signal varying within a second potential range is output according to the on/off states of the first through fourth field-effect transistors, and a control circuit which controls a substrate-bias potential of the first field-effect transistor in response to the incoming signal.Type: GrantFiled: January 15, 2003Date of Patent: September 6, 2005Assignee: Fujitsu LimitedInventor: Masato Suga