Patents by Inventor Kenichiro Ohtsuka
Kenichiro Ohtsuka 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: 11974042Abstract: A signal processing device includes an approximate curved surface conversion unit that includes a first stacked autoencoder pretrained on the basis of learning input data constituted by coordinate data acquired for each of multiple elements of an object, and that obtains approximate curved surface data indicating an approximate curved surface of the object in an intermediate layer of the first stacked autoencoder, on the basis of input data constituted by the coordinate data acquired for each of the elements, and a geometric modulation processing unit that includes a second stacked autoencoder having learned by machine learning on the basis of learning input data constituted by the approximate curved surface data and on the basis of training data constituted by a result obtained by coordinate conversion for each of the elements in a geometric modulation process performed for the object, and performs the geometric modulation process.Type: GrantFiled: April 20, 2021Date of Patent: April 30, 2024Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Hiroshi Arai, Yuriko Ohtsuka, Kenichiro Nishi, Takeshi Masuura, Norimitsu Okiyama, Yuji Matsui, Satoshi Takashima
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Publication number: 20240071087Abstract: An information processing apparatus (10) includes a time and space information acquisition unit (110) that acquires high-risk time and space information indicating a spatial region with an increased possibility of an accident occurring or of a crime being committed and a corresponding time slot, a possible surveillance target acquisition unit (120) that identifies a video to be analyzed from among a plurality of videos generated by capturing an image of each of a plurality of places, on the basis of the high-risk time and space information, and analyzes the identified video to acquire information of a possible surveillance target, and a target time and space identification unit (130) that identifies at least one of a spatial region where surveillance is to be conducted which is at least a portion of the spatial region or a time slot when surveillance is to be conducted, from among the spatial region and the time slot indicated by the high-risk time and space information, on the basis of the information of theType: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicant: NEC CorporationInventors: Junko NAKAGAWA, Ryoma Oami, Kenichiro IDA, Mika Saito, Shohzoh Nagahama, Akinari Furukawa, Yasumasa Ohtsuka, Junichi Fukuda, Fumi Ikeda, Manabu Moriyama, Fumie Einaga, Tatsunori Yamagami, Keisuke Hirayama, Yoshitsugu Kumano, Hiroki Adachi
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Publication number: 20240071086Abstract: An information processing apparatus (10) includes a time and space information acquisition unit (110) that acquires high-risk time and space information indicating a spatial region with an increased possibility of an accident occurring or of a crime being committed and a corresponding time slot, a possible surveillance target acquisition unit (120) that identifies a video to be analyzed from among a plurality of videos generated by capturing an image of each of a plurality of places, on the basis of the high-risk time and space information, and analyzes the identified video to acquire information of a possible surveillance target, and a target time and space identification unit (130) that identifies at least one of a spatial region where surveillance is to be conducted which is at least a portion of the spatial region or a time slot when surveillance is to be conducted, from among the spatial region and the time slot indicated by the high-risk time and space information, on the basis of the information of theType: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicant: NEC CorporationInventors: Junko NAKAGAWA, Ryoma OAMI, Kenichiro IDA, Mika SAITO, Shohzoh NAGAHAMA, Akinari FURUKAWA, Yasumasa OHTSUKA, Junichi FUKUDA, Fumi IKEDA, Manabu MORIYAMA, Fumie EINAGA, Tatsunori YAMAGAMI, Keisuke ` HIRAYAMA, Yoshitsugu KUMANO, Hiroki ADACHI
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Patent number: 10641971Abstract: An optical connector comprises: an inner housing including an engagement recess for engaging an optical adaptor on its surface; a boot connected to a rear side of the inner housing; a first outer housing covering the engagement recess; and a second outer housing covering a part of the first outer housing and provided freely movably in a front-rear direction relative to the first outer housing. When the second outer housing moves frontward, the engagement recess is exposed by the second outer housing and the inner housing moving relative to the first outer housing, and when the second outer housing moves rearward, the engagement recess is exposed by the second outer housing and the first outer housing moving relative to the inner housing.Type: GrantFiled: March 9, 2017Date of Patent: May 5, 2020Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Tsutomu Kamada, Kenichiro Ohtsuka, Motoyoshi Kimura
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Patent number: 10539745Abstract: An optical connector 1 is an optical connector connected to an external optical adapter. The optical connector 1 is provided with: an inner housing 3, in a surface of which engaging holes for engaging the optical adapter is provided; a boot 6 connected to the inner housing 3 on a side opposite the optical adapter in a forward/backward direction; and a first outer housing 4 and a second outer housing 5 covering the engaging holes and mounted on the inner housing 3 to be freely movable in the forward/backward direction. As the second outer housing 5 moves backward, the engaging holes of the inner housing 3 are exposed. The second outer housing 5 has cutout parts 5c which are cut out from a back end surface 5f in the forward direction and which a front end part of the boot 6 enters.Type: GrantFiled: September 9, 2015Date of Patent: January 21, 2020Assignee: SEI Optifrontier Co., Ltd.Inventors: Tsutomu Kamada, Kenichiro Ohtsuka, Yuji Suzuki, Motoyoshi Kimura, Yoshinobu Oki
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Publication number: 20190079250Abstract: An optical connector comprises: an inner housing including an engagement recess for engaging an optical adaptor on its surface; a boot connected to a rear side of the inner housing; a first outer housing covering the engagement recess; and a second outer housing covering a part of the first outer housing and provided freely movably in a front-rear direction relative to the first outer housing. When the second outer housing moves frontward, the engagement recess is exposed by the second outer housing and the inner housing moving relative to the first outer housing, and when the second outer housing moves rearward, the engagement recess is exposed by the second outer housing and the first outer housing moving relative to the inner housing.Type: ApplicationFiled: March 9, 2017Publication date: March 14, 2019Applicant: SEI Optifrontier Co., Ltd.Inventors: Tsutomu KAMADA, Kenichiro OHTSUKA, Motoyoshi KIMURA
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Optical connector plug, receptacle for optical connector, and optical connector connection structure
Patent number: 10197739Abstract: An optical connector plug includes an optical connector having an optical fiber built therein, and a cover member receiving the optical connector therein. The cover member includes a set of protrusions provided to protrude forward relative to a front end surface of the optical connector. A set of cutout portions as space portions are provided between the set of protrusions, and the set of cutout portions are arranged at locations opposing each other around the optical connector.Type: GrantFiled: February 18, 2016Date of Patent: February 5, 2019Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Kenichiro Ohtsuka, Yuji Suzuki, Norihiko Kitahara, Motoyoshi Kimura, Masanori Yamanaka, Akihiko Miyada, Seiya Otokita, Tatsuhiko Shitomi -
Patent number: 10114179Abstract: An optical connector is an optical connector that is connected to another connector in a predetermined connection direction. The optical connector includes a ferrule that includes insertion holes into which guide pins to be connected to another connector are to be inserted; and a pin keeper 20 that is provided on a side of the ferrule opposite to the another connector and includes retaining holes 21 retaining the guide pins inserted into the insertion holes. The pin keeper 20 includes a pair of side portions 22 in which the retaining holes 21 are formed, and a bottom portion 23 that connects end portions of the pair of side portions 22. The retaining holes 21 are formed in a shape in which inside surfaces of the side portions 22 facing each other are notched.Type: GrantFiled: October 28, 2015Date of Patent: October 30, 2018Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Tsutomu Kamada, Kenichiro Ohtsuka, Motoyoshi Kimura, Tatsuhiko Shitomi
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Patent number: 10101551Abstract: A multi-core/single-core conversion module is disclosed. The multi-core/single-core conversion module includes a housing including a first end, a second end and a lateral wall defining an inner space between the first end and the second end, a first adapter attached to the first end of the housing, two or more second adapters attached to the second end of the housing, a multi-core optical connector inserted into the first adapter from the inner space of the housing, a plurality of single-core optical connectors respectively inserted into the second adapters from the inner space of the housing, and a plurality of optical fibers connecting the multi-core optical connector to the plurality of single-core optical connectors with each other. The second adapters are arranged on the second end across a plurality of tiers. An opening can be formed by a part of the lateral wall being detached.Type: GrantFiled: June 5, 2017Date of Patent: October 16, 2018Assignees: SEI OPTIFRONTIER CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Junji Fukui, Kenichiro Ohtsuka, Yuji Suzuki, Hiroyasu Toyooka, Takayuki Suzuki
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Patent number: 9958620Abstract: An optical fiber with a connector includes a first connector and a plurality of optical fibers attached to the first connector. The first connector includes: at least one fiber-shaped member; and a ferrule including a first end surface and a second end surface arranged in a first direction, and a holding portion holding the optical fibers and the fiber-shaped member. In the holding portion, a plurality of fiber insertion holes extending from the first end surface in the first direction is formed such that the optical fibers and the fiber-shaped member are insertable thereinto. One end of the optical fiber and one end of the fiber-shaped member are held by the holding portion in a state of being inserted into the fiber insertion hole. The optical fiber extends to the outside of the ferrule. The other end of the fiber-shaped member is located inside the ferrule.Type: GrantFiled: December 3, 2015Date of Patent: May 1, 2018Assignee: SEI Optifrontier Co., Ltd.Inventors: Kenichiro Ohtsuka, Kotaro Ueda, Tsutomu Kamada, Junji Fukui, Masashi Oka
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Patent number: 9921376Abstract: An optical fiber with a connector includes a first connector and a plurality of optical fibers attached to the first connector. The first connector includes: at least one fiber-shaped member; and a ferrule including a first end surface and a second end surface arranged in a first direction, and a holding portion holding the optical fibers and the fiber-shaped member. In the holding portion, a plurality of fiber insertion holes extending from the first end surface in the first direction is formed such that the optical fibers and the fiber-shaped member are insertable thereinto. One end of the optical fiber and one end of the fiber-shaped member are held by the holding portion in a state of being inserted into the fiber insertion hole. The optical fiber extends to the outside of the ferrule. The other end of the fiber-shaped member is located inside the ferrule.Type: GrantFiled: December 3, 2015Date of Patent: March 20, 2018Assignee: SEI Optifrontier Co., Ltd.Inventors: Kenichiro Ohtsuka, Kotaro Ueda, Tsutomu Kamada, Junji Fukui, Masashi Oka
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OPTICAL CONNECTOR PLUG, RECEPTACLE FOR OPTICAL CONNECTOR, AND OPTICAL CONNECTOR CONNECTION STRUCTURE
Publication number: 20180031773Abstract: An optical connector plug includes an optical connector having an optical fiber built therein, and a cover member receiving the optical connector therein. The cover member includes a set of protrusions provided to protrude forward relative to a front end surface of the optical connector. A set of cutout portions as space portions are provided between the set of protrusions, and the set of cutout portions are arranged at locations opposing each other around the optical connector.Type: ApplicationFiled: February 18, 2016Publication date: February 1, 2018Applicant: SEI OPTIFRONTIER CO., LTD.Inventors: Kenichiro OHTSUKA, Yuji SUZUKI, Norihiko KITAHARA, Motoyoshi KIMURA, Masanori YAMANAKA, Akihiko MIYADA, Seiya OTOKITA, Tatsuhiko SHITOMI -
Publication number: 20170359091Abstract: A multi-core/single-core conversion module is disclosed. The multi-core/single-core conversion module includes a housing including a first end, a second end and a lateral wall defining an inner space between the first end and the second end, a first adapter attached to the first end of the housing, two or more second adapters attached to the second end of the housing, a multi-core optical connector inserted into the first adapter from the inner space of the housing, a plurality of single-core optical connectors respectively inserted into the second adapters from the inner space of the housing, and a plurality of optical fibers connecting the multi-core optical connector to the plurality of single-core optical connectors with each other. The second adapters are arranged on the second end across a plurality of tiers. An opening can be formed by a part of the lateral wall being detached.Type: ApplicationFiled: June 5, 2017Publication date: December 14, 2017Applicants: SEI Optifrontier Co., Ltd., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Junji FUKUI, Kenichiro OHTSUKA, Yuji SUZUKI, Hiroyasu TOYOOKA, Takayuki SUZUKI
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Publication number: 20170315308Abstract: An optical connector is an optical connector that is connected to another connector in a predetermined connection direction. The optical connector includes a ferrule that includes insertion holes into which guide pins to be connected to another connector are to be inserted; and a pin keeper 20 that is provided on a side of the ferrule opposite to the another connector and includes retaining holes 21 retaining the guide pins inserted into the insertion holes. The pin keeper 20 includes a pair of side portions 22 in which the retaining holes 21 are formed, and a bottom portion 23 that connects end portions of the pair of side portions 22. The retaining holes 21 are formed in a shape in which inside surfaces of the side portions 22 facing each other are notched.Type: ApplicationFiled: October 28, 2015Publication date: November 2, 2017Applicant: SEI Optifrontier Co., Ltd.Inventors: Tsutomu KAMADA, Kenichiro OHTSUKA, Motoyoshi KIMURA, Tatsuhiko SHITOMI
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Patent number: 9804344Abstract: An optical fiber with a connector includes a first connector and a plurality of optical fibers attached to the first connector. The first connector includes: at least one fiber-shaped member; and a ferrule including a first end surface and a second end surface arranged in a first direction, and a holding portion holding the optical fibers and the fiber-shaped member. In the holding portion, a plurality of fiber insertion holes extending from the first end surface in the first direction is formed such that the optical fibers and the fiber-shaped member are insertable thereinto. One end of the optical fiber and one end of the fiber-shaped member are held by the holding portion in a state of being inserted into the fiber insertion hole. The optical fiber extends to the outside of the ferrule. The other end of the fiber-shaped member is located inside the ferrule.Type: GrantFiled: December 3, 2015Date of Patent: October 31, 2017Assignee: SEI Optifrontier Co., Ltd.Inventors: Kenichiro Ohtsuka, Kotaro Ueda, Tsutomu Kamada, Junji Fukui, Masashi Oka
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Publication number: 20170254961Abstract: An optical connector 1 is an optical connector connected to an external optical adapter. The optical connector 1 is provided with: an inner housing 3, in a surface of which engaging holes for engaging the optical adapter is provided; a boot 6 connected to the inner housing 3 on a side opposite the optical adapter in a forward/backward direction; and a first outer housing 4 and a second outer housing 5 covering the engaging holes and mounted on the inner housing 3 to be freely movable in the forward/backward direction. As the second outer housing 5 moves backward, the engaging holes of the inner housing 3 are exposed. The second outer housing 5 has cutout parts 5c which are cut out from a back end surface 5f in the forward direction and which a front end part of the boot 6 enters.Type: ApplicationFiled: September 9, 2015Publication date: September 7, 2017Applicant: SEI OPTIFRONTIER CO., LTD.Inventors: Tsutomu KAMADA, Kenichiro OHTSUKA, Yuji SUZUKI, Motoyoshi KIMURA, Yoshinobu OKI
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Publication number: 20170160495Abstract: An optical fiber with a connector includes a first connector and a plurality of optical fibers attached to the first connector. The first connector includes: at least one fiber-shaped member; and a ferrule including a first end surface and a second end surface arranged in a first direction, and a holding portion holding the optical fibers and the fiber-shaped member. In the holding portion, a plurality of fiber insertion holes extending from the first end surface in the first direction is formed such that the optical fibers and the fiber-shaped member are insertable thereinto. One end of the optical fiber and one end of the fiber-shaped member are held by the holding portion in a state of being inserted into the fiber insertion hole. The optical fiber extends to the outside of the ferrule. The other end of the fiber-shaped member is located inside the ferrule.Type: ApplicationFiled: December 3, 2015Publication date: June 8, 2017Inventors: Kenichiro OHTSUKA, Kotaro UEDA, Tsutomu KAMADA, Junji FUKUI, Masashi OKA
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Patent number: 9176295Abstract: The stranded optical cable 10 includes a plurality of stranded multicore optical cables 12 and a cable sheath 16 covering the multicore optical cables 12, each multicore optical cable 12 including at least two of optical units 13 as a pair and a unit sheath 14 covering the optical units 13, each optical unit 13 being formed by bundling a plurality of optical fibers. And, parts of the cable sheath corresponding to both ends of the stranded optical cable 10 are removed to expose the multicore optical cables 12 certain lengths so that the optical connectors 21 are connected to the multicore optical cables 12, respectively.Type: GrantFiled: June 9, 2011Date of Patent: November 3, 2015Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Itaru Sakabe, Kazuyuki Soma, Tomoyuki Hattori, Kenichiro Ohtsuka, Masakazu Shigehara
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Patent number: 8511910Abstract: It is an object to obtain an optical connector capable of implementing a more reduction in a cost of a work for carrying out an assembly into a site optical fiber, and a method of assembling the optical connector. An almost sheet-like protecting member 17 for transmitting a light in a predetermined refractive index is stuck to a tip surface of a ferrule 3 having a fiber inserting hole 15 penetrating therethrough with the fiber inserting hole 15 covered, and an optical fiber 14 positioned by a positioning mechanism 5 to be coupled to a rear part of the ferrule 3 has a tip surface inserted through the fiber inserting hole 15 of the ferrule 3 to abut on the protecting member 17 with an elastic force.Type: GrantFiled: May 9, 2008Date of Patent: August 20, 2013Assignees: Sumitomo Electric Industries, Ltd., Nippon Telegraph and Telephone CorporationInventors: Kenichiro Ohtsuka, Masaki Ohmura, Masahiro Hamada, Mitsuru Kihara, Hitoshi Son
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Patent number: 8480311Abstract: An optical connector in which works of attaching an incorporated optical fiber to a ferrule, removing a coating of the tip end side of a coated optical fiber, and attaching an optical connector to the coated optical fiber can be made more efficient, and the transmission characteristics can be prevented from being lowered in the optical connector, and a method of attaching the optical connector to a coated optical fiber are provided. An optical connector 101 includes: a ferrule 140 into which a glass fiber 121 that is obtained by peeling a coating 124 of a coated optical fiber 120 is to be inserted; a fixing portion 130 which fixes the coated optical fiber 120 inserted into the ferrule 140; and a coating-removing portion 110 which removes the coating 124 from an end portion of the coated optical fiber 120, by means of a force of inserting the coated optical fiber 120 into the optical connector 101.Type: GrantFiled: October 24, 2008Date of Patent: July 9, 2013Assignee: Sumitomo Electric Industries, Ltd.Inventors: Kenichiro Ohtsuka, Masahiro Hamada, Masaki Ohmura, Mitsuaki Tamura, Mitsuru Kihara, Ryo Koyama, Hitoshi Son