Patents by Inventor Kazuya Masuda
Kazuya Masuda 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: 11965801Abstract: A measurement system includes a measurement device including a light source, and a first power meter, and one or a plurality of connection members each configured to optically connect a pair of optical fiber lines of the plurality of optical fiber lines. A first optical fiber line of the pair of optical fiber lines includes a first end and a second end, a second optical fiber line of the pair of optical fiber lines includes a third end and a fourth end, the one or plurality of connection members optically connect the second end to the fourth end, the light source causes testing light to be incident on the first end, and the first power meter measures first intensity of first output light output from the third end by causing the testing light to propagate through the pair of optical fiber lines.Type: GrantFiled: May 22, 2019Date of Patent: April 23, 2024Assignees: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuya Masuda, Tomohiko Ueda, Kenichiro Otsuka, Tsuneari Ito, Tetsufumi Tsuzaki, Yoshifumi Hishikawa, Hitoshi Hatayama
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Patent number: 11953736Abstract: In a fiber connection structure with optical connectors according to one embodiment, among m first connector port groups, arrangement orders of colors of a plurality of the optical fibers in (2×j?1)th (j is a natural number satisfying 1?j and 2×j?m) first connector port groups are the same, and among the m first connector port groups, arrangement orders of the colors of the plurality of optical fibers in (2×j)th first connector port groups are the same. The arrangement order of the colors of the plurality of optical fibers in the (2×j)th first connector port group is a reverse order of the arrangement order of the colors of the plurality of optical fibers in the (2×j?1)th first connector port group.Type: GrantFiled: February 18, 2020Date of Patent: April 9, 2024Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Kazuya Masuda, Takahiro Inaba, Tomohiko Ueda
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Publication number: 20240105796Abstract: A semiconductor device includes an insulating layer, a semiconductor layer and a control electrode. The semiconductor layer is provided on the insulating layer and includes a first semiconductor region of a first conductivity type, a second semiconductor region of the first conductivity type and a third semiconductor region of a second conductivity type. The third semiconductor region is located between the first semiconductor region and the second semiconductor region. The first to third semiconductor regions are arranged in a first direction along an interface between the insulating layer and the semiconductor layer. The control electrode is provided on the semiconductor layer and includes first to third control parts arranged in the first direction. The first control part is located between the second control part and the third control part. The third semiconductor region is positioned between the insulating layer and the first control part.Type: ApplicationFiled: March 3, 2023Publication date: March 28, 2024Inventors: Mitsutoshi NAKAMURA, Masami NAGAOKA, Kazuya NISHIHORI, Keita MASUDA
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Publication number: 20230028161Abstract: In a fiber connection structure with optical connectors according to one embodiment, among m first connector port groups, arrangement orders of colors of a plurality of the optical fibers in (2×j?1)th (j is a natural number satisfying 1?j and 2×j?m) first connector port groups are the same, and among the m first connector port groups, arrangement orders of the colors of the plurality of optical fibers in (2×j)th first connector port groups are the same. The arrangement order of the colors of the plurality of optical fibers in the (2×j)th first connector port group is a reverse order of the arrangement order of the colors of the plurality of optical fibers in the (2×j?1)th first connector port group.Type: ApplicationFiled: February 18, 2020Publication date: January 26, 2023Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Kazuya MASUDA, Takahiro INABA, Tomohiko UEDA
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Patent number: 11555967Abstract: An optical connector-equipped fiber connection structure according to an embodiment includes at least three groups including two or more optical fibers adjacent to each other. In the groups, two or more of the optical fibers extend from a first multi-core connector to a second multi-core connector without intersecting with each other. Optical fibers of two groups in the at least three groups intersect with each other in a midway point going from the first multi-core connector to the second multi-core connector. Optical fibers of groups other than the two groups extend from the first multi-core connector to the second multi-core connector without intersecting with the other optical fibers extending from the first multi-core connector.Type: GrantFiled: October 26, 2018Date of Patent: January 17, 2023Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuya Masuda, Masakazu Shigehara
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Patent number: 11279931Abstract: Provided are a therapeutic and/or prophylactic agent for a lung disease and a method for screening for the therapeutic and/or prophylactic agent. Provided are a therapeutic and/or prophylactic agent for a lung disease comprising an Arid5A inhibitor as an active ingredient and a method for screening for the therapeutic and/or prophylactic agent.Type: GrantFiled: December 23, 2019Date of Patent: March 22, 2022Assignees: Chugai Seiyaku Kabushiki KaishaInventors: Tadamitsu Kishimoto, Kazuya Masuda
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Publication number: 20210333484Abstract: An optical connector-equipped fiber connection structure according to an embodiment includes at least three groups including two or more optical fibers adjacent to each other. In the groups, two or more of the optical fibers extend from a first multi-core connector to a second multi-core connector without intersecting with each other. Optical fibers of two groups in the at least three groups intersect with each other in a midway point going from the first multi-core connector to the second multi-core connector. Optical fibers of groups other than the two groups extend from the first multi-core connector to the second multi-core connector without intersecting with the other optical fibers extending from the first multi-core connector.Type: ApplicationFiled: October 26, 2018Publication date: October 28, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuya MASUDA, Masakazu SHIGEHARA
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Patent number: 11156787Abstract: An optical connector includes a holder configured to hold at least three or more optical connector plugs. The optical connector plugs and the adapters are arranged in an intersecting direction intersecting with a connecting direction. The optical connector plugs include a first optical connector plug and a second optical connector plug. Any of the first optical connector plug and the adapter to which the first optical connector plug is connected has a latch mechanism configured to engage the first optical connector plug with the adapter. Any of the second optical connector plug and the adapter to which the second optical connector plug is connected does not have a latch mechanism configured to engage the second optical connector plug with the adapter.Type: GrantFiled: May 23, 2018Date of Patent: October 26, 2021Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SEI Optifrontier Co., Ltd.Inventors: Yoshikyo Tamekuni, Kazuya Masuda, Tomohiko Ueda, Yuji Suzuki
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Publication number: 20210239569Abstract: A measurement system includes a measurement device including a light source, and a first power meter, and one or a plurality of connection members each configured to optically connect a pair of optical fiber lines of the plurality of optical fiber lines. A first optical fiber line of the pair of optical fiber lines includes a first end and a second end, a second optical fiber line of the pair of optical fiber lines includes a third end and a fourth end, the one or plurality of connection members optically connect the second end to the fourth end, the light source causes testing light to be incident on the first end, and the first power meter measures first intensity of first output light output from the third end by causing the testing light to propagate through the pair of optical fiber lines.Type: ApplicationFiled: May 22, 2019Publication date: August 5, 2021Applicants: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuya MASUDA, Tomohiko UEDA, Kenichiro OTSUKA, Tsuneari ITO, Tetsufumi TSUZAKI, Yoshifumi HISHIKAWA, Hitoshi HATAYAMA
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Patent number: 11073671Abstract: A termination unit includes: a plurality of first optical fibers fusion-connected to a multicore cable; a tray slidable in a first direction, the tray being provided on one end side of the termination unit in the first direction; and a plurality of adapters which are provided in a line on the tray, to which a plurality of second optical fibers are connected from each of one end sides of the adapters, and to which the plurality of first optical fibers are connected from each of the other end sides of the adapters, in which the tray has a cover part for protecting the plurality of adapters, and in which the cover part is rotatable with a shaft that extends along a second direction, and the cover part rotates downward when the tray has slid in a direction toward the one end side from the other end side.Type: GrantFiled: November 27, 2017Date of Patent: July 27, 2021Assignees: SEI OPTIFRONTIER CO., LTD., JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuya Masuda, Junji Fukui, Tomoyuki Yokokawa, Tetsuya Oosugi, Takayuki Yokochi, Masanori Yamanaka, Tsuneari Ito
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Publication number: 20210116649Abstract: An optical connector includes a holder configured to hold at least three or more optical connector plugs. The optical connector plugs and the adapters are arranged in an intersecting direction intersecting with a connecting direction. The optical connector plugs include a first optical connector plug and a second optical connector plug. Any of the first optical connector plug and the adapter to which the first optical connector plug is connected has a latch mechanism configured to engage the first optical connector plug with the adapter. Any of the second optical connector plug and the adapter to which the second optical connector plug is connected does not have a latch mechanism configured to engage the second optical connector plug with the adapter.Type: ApplicationFiled: May 23, 2018Publication date: April 22, 2021Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SEI Optifrontier Co., Ltd.Inventors: Yoshikyo TAMEKUNI, Kazuya MASUDA, Tomohiko UEDA, Yuji SUZUKI
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Publication number: 20210055497Abstract: A termination unit includes: a plurality of first optical fibers fusion-connected to a multicore cable; a tray slidable in a first direction, the tray being provided on one end side of the termination unit in the first direction; and a plurality of adapters which are provided in a line on the tray, to which a plurality of second optical fibers are connected from each of one end sides of the adapters, and to which the plurality of first optical fibers are connected from each of the other end sides of the adapters, in which the tray has a cover part for protecting the plurality of adapters, and in which the cover part is rotatable with a shaft that extends along a second direction, and the cover part rotates downward when the tray has slid in a direction toward the one end side from the other end side.Type: ApplicationFiled: November 27, 2017Publication date: February 25, 2021Applicants: SEI Optifrontier Co., Ltd., Japan Communication Accessories Manufacturing Co., Ltd., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuya MASUDA, Junji FUKUI, Tomoyuki YOKOKAWA, Tetsuya OOSUGI, Takayuki YOKOCHI, Masanori YAMANAKA, Tsuneari ITO
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Patent number: 10859783Abstract: An optical fiber rack includes: a rack part on which a plurality of termination units arranged along an up-down direction are located; an optical fiber housing part which has a back plate and in which an extra length wiring part in a plurality of optical fiber bundles connected to each of the plurality of termination units is housed; and a plurality of first dividing bodies for dividing locations of the optical fiber bundles in the optical fiber housing part, the plurality of first dividing bodies being attached to the back plate so as to be arranged along the up-down direction in the optical fiber housing part. The first dividing body has a holding part for holding the corresponding optical fiber bundle, and the holding part of the first dividing body provided lower in the up-down direction is positioned to be separated from the back plate.Type: GrantFiled: November 27, 2017Date of Patent: December 8, 2020Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD., SEI OPTIFRONTIER CO., LTD.Inventors: Takayasu Yamauchi, Tomohiko Ueda, Tsuneari Ito, Takayuki Yokochi, Kazuya Masuda
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Publication number: 20200140862Abstract: Provided are a therapeutic and/or prophylactic agent for a lung disease and a method for screening for the therapeutic and/or prophylactic agent. Provided are a therapeutic and/or prophylactic agent for a lung disease comprising an Arid5A inhibitor as an active ingredient and a method for screening for the therapeutic and/or prophylactic agent.Type: ApplicationFiled: December 23, 2019Publication date: May 7, 2020Applicants: CHUGAI SEIYAKU KABUSHIKI KAISHAInventors: Tadamitsu KISHIMOTO, Kazuya MASUDA
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Patent number: 10550387Abstract: Provided are a therapeutic and/or prophylactic agent for a lung disease and a method for screening for the therapeutic and/or prophylactic agent. Provided are a therapeutic and/or prophylactic agent for a lung disease comprising an Arid5A inhibitor as an active ingredient and a method for screening for the therapeutic and/or prophylactic agent.Type: GrantFiled: June 30, 2016Date of Patent: February 4, 2020Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Tadamitsu Kishimoto, Kazuya Masuda
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Patent number: 10523317Abstract: A measurement system is a measurement system inspecting an optical transmission line configured by connecting a plurality of optical cables, each of which includes a plurality of optical fibers, wherein the optical transmission line includes a plurality of optical fiber lines configured by connecting the plurality of optical fibers in the plurality of optical cables, the measurement system including: a first measurement device configured to be disposed at a first end of the optical transmission line; and a second measurement device configured to be disposed at a second end of the optical transmission line, wherein the first measurement device and the second measurement device perform a first measurement to inspect whether the optical cable is misconnected, and a second measurement to inspect the plurality of optical fiber lines in a case where it is determined that there is no misconnection in the first measurement.Type: GrantFiled: June 5, 2018Date of Patent: December 31, 2019Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SEI Optifrontier Co., Ltd., SUMITOMO ELECTRIC LIGHTWAVE CORP.Inventors: Kazuya Masuda, Tomohiko Ueda, Tsuneari Ito, Kenichiro Otsuka, Yoshifumi Hishikawa, Gouichi Fukumoto, Tetsufumi Tsuzaki, Toshiyuki Miyamoto, Takashi Murakami, Yoshiyuki Suetsugu, Takashi Kondo
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Publication number: 20190372665Abstract: A measurement system is a measurement system inspecting an optical transmission line configured by connecting a plurality of optical cables, each of which includes a plurality of optical fibers, wherein the optical transmission line includes a plurality of optical fiber lines configured by connecting the plurality of optical fibers in the plurality of optical cables, the measurement system including: a first measurement device configured to be disposed at a first end of the optical transmission line; and a second measurement device configured to be disposed at a second end of the optical transmission line, wherein the first measurement device and the second measurement device perform a first measurement to inspect whether the optical cable is misconnected, and a second measurement to inspect the plurality of optical fiber lines in a case where it is determined that there is no misconnection in the first measurement.Type: ApplicationFiled: June 5, 2018Publication date: December 5, 2019Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SEI Optifrontier Co., Ltd., SUMITOMO ELECTRIC LIGHTWAVE CORP.Inventors: Kazuya MASUDA, Tomohiko UEDA, Tsuneari ITO, Kenichiro OTSUKA, Yoshifumi HISHIKAWA, Gouichi FUKUMOTO, Tetsufumi TSUZAKI, Toshiyuki MIYAMOTO, Takashi MURAKAMI, Yoshiyuki SUETSUGU, Takashi KONDO
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Publication number: 20190346645Abstract: An optical fiber rack includes: a rack part on which a plurality of termination units arranged along an up-down direction are located; an optical fiber housing part which has a back plate and in which an extra length wiring part in a plurality of optical fiber bundles connected to each of the plurality of termination units is housed; and a plurality of first dividing bodies for dividing locations of the optical fiber bundles in the optical fiber housing part, the plurality of first dividing bodies being attached to the back plate so as to be arranged along the up-down direction in the optical fiber housing part. The first dividing body has a holding part for holding the corresponding optical fiber bundle, and the holding part of the first dividing body provided lower in the up-down direction is positioned to be separated from the back plate.Type: ApplicationFiled: November 27, 2017Publication date: November 14, 2019Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., Japan Communication Accessories Manufacturing Co., Ltd., SEI Optifrontier Co., Ltd.Inventors: Takayasu YAMAUCHI, Tomohiko UEDA, Tsuneari ITO, Takayuki YOKOCHI, Kazuya MASUDA
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Publication number: 20190293889Abstract: An optical fiber rack includes a rack part on which a termination unit is located, and an optical fiber housing part for housing an extra length wiring part in an optical fiber bundle, the optical fiber housing part being positioned in a first direction. The termination unit includes a plurality of first optical fibers, a ay provided on one end side of the termination unit in a second direction, the tray being slidable in the second direction, and a plurality of adapters which are arranged in a line on the tray. The tray has a first support part for supporting the optical fiber bundle, the optical fiber rack further includes a second support part arranged in the second direction with respect to the first support part, and the second support part stretchably supports the optical fiber bundle extending from the first support part to the optical fiber housing part.Type: ApplicationFiled: November 27, 2017Publication date: September 26, 2019Applicants: SEI Optifrontier Co., Ltd., Japan Communication Accessories Manufacturing Co., Ltd., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuya MASUDA, Tomoyuki YOKOKAWA, Junji FUKUI, Tetsuya OOSUGI, Takayuki YOKOCHI, Masanori YAMANAKA, Eisuke OKI, Tsuneari ITO
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Publication number: 20190079249Abstract: An optical connector according to one embodiment includes a plurality of optical connector plugs collectively connected to a plurality of adapters in a connection direction, each optical connector plug including a ferrule holding an optical fiber, contacting portions located on the opposite side to the adapter with respect to a ferrule end face of the ferrule and coming into contact with each adapter, wherein distances from the ferrule end face to the contacting portions are longer than distances from the ferrule end face to the contacting portions, respectively, determined by optical connector international standards.Type: ApplicationFiled: September 11, 2018Publication date: March 14, 2019Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SEI Optifrontier Co., Ltd.Inventors: Yoshikyo TAMEKUNI, Kazuya MASUDA, Tomohiko UEDA, Yuji SUZUKI