Patents by Inventor Kenichi Ohara
Kenichi Ohara 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).
-
Publication number: 20240142922Abstract: An information processing device acquires a prediction result obtained when a premise is applied to a causal model having a plurality of variables related to operation of a plant. Based on the prediction result, the information processing device specifies a relevant variable dependent on the premise from the plurality of variables. Thereafter, with respect to the relevant variable, the information processing device displays information on a state of the relevant variable obtained according to the prediction result and a statistic of plant data corresponding to the relevant variable in plant data that is generated in the plant.Type: ApplicationFiled: December 6, 2021Publication date: May 2, 2024Inventors: Soichiro TORAI, Shinichi CHIYODA, Kenichi OHARA
-
Patent number: 10007878Abstract: An operation plan decision method includes deriving an feasible solution by using a constraint violation minimization model, updating candidates for an optimum solution and adding the updated candidates to a candidate list by taking the derived feasible solution, as an initial value of a candidate for the optimum solution, and by using a time cross-section division model that is obtained by dividing an optimization model for each time cross-section, and selecting the optimum solution from the candidate list to which the updated candidates are added.Type: GrantFiled: August 21, 2014Date of Patent: June 26, 2018Assignee: Yokogawa Electric CorporationInventors: Mika Kawata, Kenichi Ohara, Mitsunori Fukuzawa
-
Publication number: 20170132538Abstract: A plant model creating device includes a cluster analyzer configured to divide operating data into clusters, a principal component list generator configured to calculate a principal component and a contribution rate for every cluster and generate a principal component list, a cumulative contribution rate calculator configured to calculate a cumulative contribution rate based on the principal component list, a principal component remover configured to remove, from the principal component list, a principal component corresponding to a contribution rate added to the cumulative contribution rate, if the cumulative contribution rate is less than a first threshold value, a characteristic formula calculator configured to calculate a characteristic formula whose normal vector is the principal component included in the principal component list, and a model creator configured to create a model of the plant based on the characteristic formula.Type: ApplicationFiled: October 31, 2016Publication date: May 11, 2017Applicant: YOKOGAWA ELECTRIC CORPORATIONInventors: Kenichi OHARA, Ken'ichi KAMADA, Jun AOKI
-
Publication number: 20150058270Abstract: An operation plan decision method includes deriving an feasible solution by using a constraint violation minimization model, updating candidates for an optimum solution and adding the updated candidates to a candidate list by taking the derived feasible solution, as an initial value of a candidate for the optimum solution, and by using a time cross-section division model that is obtained by dividing an optimization model for each time cross-section, and selecting the optimum solution from the candidate list to which the updated candidates are added.Type: ApplicationFiled: August 21, 2014Publication date: February 26, 2015Applicant: YOKOGAWA ELECTRIC CORPORATIONInventors: Mika KAWATA, Kenichi OHARA, Mitsunori FUKUZAWA
-
Patent number: 8753262Abstract: An internal treatment apparatus for a patient having a flexible tubular body to be introduced into a patient includes a center opening for inserting therethrough an endoscope for observing a target site, the center opening being circular in cross section and disposed at a center of an end face of the flexible tubular body; and a plurality of circumferential apertures through which surgical instruments are inserted for performing a surgical procedure on the target site, the plurality of circumferential apertures being provided in the flexible tubular body at equi-angular intervals around the center opening.Type: GrantFiled: July 16, 2004Date of Patent: June 17, 2014Assignees: Hoya Corporation, National Cancer CenterInventors: Akira Sugiyama, Kenichi Ohara, Hiroshi Sano, Kunitoshi Ikeda, Tadao Kakizoe, Toshiaki Kobayashi
-
Publication number: 20080051629Abstract: An internal treatment apparatus for a patient having a flexible tubular body to be introduced into a patient includes a center opening for inserting therethrough an endoscope for observing a target site, the center opening being circular in cross section and disposed at a center of an end face of the flexible tubular body; and a plurality of circumferential apertures through which surgical instruments are inserted for performing a surgical procedure on the target site, the plurality of circumferential apertures being provided in the flexible tubular body at equi-angular intervals around the center opening.Type: ApplicationFiled: July 16, 2004Publication date: February 28, 2008Inventors: Akira Sugiyama, Kenichi Ohara, Hiroshi Sano, Kunitoshi Ikeda, Tadao Kakizoe, Toshiaki Kobayashi
-
Patent number: 6846286Abstract: An endoscope system is provided, including an endoscope having a flexible inserting tube to be inserted into a human body and a plurality of bending sensors distributed over the flexible inserting tube along the longitudinal direction thereof. Each of the bending sensors detects the local bending state of the flexible inserting tube at the location the bending sensor are provided. A computer adapted to receive data on the local bending state from each of the plurality of bending sensors is also provided. The computer generates a graphical image representing the geometrical configuration of the flexible inserting tube from the data on the local bending states. A monitor connected to the computer to display the graphical image generated by the computer.Type: GrantFiled: May 21, 2002Date of Patent: January 25, 2005Assignees: PENTAX Corporation, The Jikei University School of MedicineInventors: Naoki Suzuki, Kazuki Sumiyama, Naoshi Koizumi, Akira Sugiyama, Tetsuya Tarumoto, Toshiyuki Hashiyama, Motoko Kawamura, Takayuki Enomoto, Minoru Matsushita, Tetsuya Nakamura, Kenichi Ohara, Satoshi Takami
-
Patent number: 6712760Abstract: A television device of a portable endoscope includes an endoscope including an inserted portion and an operating portion coupled to a base end of the inserted portion, a light source for lightening a subject through the inserted portion provided in the endoscope, a radio transmission television camera for obtaining an image of the subject through the inserted portion and radioing the image as the video signal provided in the endoscope, and a power source, which supplies a power for the light source and the radio transmission television camera, provided in the operating portion.Type: GrantFiled: April 9, 2001Date of Patent: March 30, 2004Assignee: PENTAX CorporationInventors: Hiroshi Sano, Kenichi Ohara, Masaaki Nakashima, Yoshihiro Obata
-
Patent number: 6520214Abstract: A flexible tube for an endoscope is provided with a spirally-wound tube, a braided tube covering the spirally-wound tube, and a sheath provided on the braided tube. The sheath material is fused and coated on the braided tube to form the sheath. When the sheath material is fused and applied on the braided tube, the sheath material passes through interstices of the braided tube, at the positions facing the clearances between windings, to form a plurality of protruded portions which protruded inward with respect to the braided tube.Type: GrantFiled: April 12, 2000Date of Patent: February 18, 2003Assignee: Pentax CorporationInventors: Akira Sugiyama, Tadashi Kasai, Masanao Abe, Minoru Matsushita, Hideo Nanba, Shinji Hayakawa, Kikuo Iwasaka, Naoya Ouchi, Kenichi Ohara, Tomoko Iwasaki
-
Patent number: 6514210Abstract: In a radial scan, forward viewing ultrasonic endoscope, centering mating portions that permit the outer surface of an ultrasonic probe and the outer surface of a tip body to meet flush with each other at the boundary are formed in the ultrasonic probe and in the tip body and the gap between the inner peripheral surface of the ultrasonic probe and the mating surface of the front half of the tip body is formed to be larger than the gap between the centering mating portions.Type: GrantFiled: May 8, 2001Date of Patent: February 4, 2003Assignee: Pentax CorporationInventors: Kenichi Ohara, Toshiyuki Hashiyama
-
Patent number: 6511431Abstract: In a radial scan, forward viewing ultrasonic endoscope, a plurality of flexible substrates for transmitting signals to and from an ultrasonic probe extend rearward from the ultrasonic probe, a flexible substrate passage hole of an arcuate cross-sectional shape through which the flexible substrates pass is formed in a front end portion body in an axial direction, and the wirings on the flexible substrates are connected to a signal cable passing through the insertion portion of the endoscope.Type: GrantFiled: May 8, 2001Date of Patent: January 28, 2003Assignee: Pentax CorporationInventors: Kenichi Ohara, Toshiyuki Hashiyama
-
Patent number: 6503193Abstract: A flexible tube for an endoscope is provided with an outer tube member. A synthetic resin layer is formed on an outer circumferential surface of the outer tube member. A coating layer is further formed on the outer circumferential surface of the synthetic resin layer. The outer circumferential surface of the synthetic resin layer is provided with at least one groove or protrusion.Type: GrantFiled: April 13, 2000Date of Patent: January 7, 2003Assignee: Pentax CorporationInventors: Tomoko Iwasaki, Kenichi Ohara, Akira Sugiyama, Naoya Ouchi
-
Publication number: 20020183592Abstract: An endoscope system is provided, including an endoscope having a flexible inserting tube to be inserted into a human body and a plurality of bending sensors distributed over the flexible inserting tube along the longitudinal direction thereof. Each of the bending sensors detects the local bending state of the flexible inserting tube at the location the bending sensor are provided. A computer adapted to receive data on the local bending state from each of the plurality of bending sensors is also provided. The computer generates a graphical image representing the geometrical configuration of the flexible inserting tube from the data on the local bending states. A monitor connected to the computer to display the graphical image generated by the computer.Type: ApplicationFiled: May 21, 2002Publication date: December 5, 2002Applicant: ASAHI KOGAKU KOGYO KABUSHIKI KAISHAInventors: Naoki Suzuki, Kazuki Sumiyama, Naoshi Koizumi, Akira Sugiyama, Tetsuya Tarumoto, Toshiyuki Hashiyama, Motoko Kawamura, Takayuki Enomoto, Minoru Matsushita, Tetsuya Nakamura, Kenichi Ohara, Satoshi Takami
-
Patent number: 6488632Abstract: An ultrasonic endoscope has a bending portion, an ultrasonic probe, and a flexible circuit board. The bending portion, connected to the point of a flexible tube, bends by remote control. The ultrasonic probe has a plurality of ultrasonic wave vibrators, which are arranged circumferentially, and send ultrasonic waves radially and receive echoes of the ultrasonic waves. The flexible circuit board, which transmits signals associated with the ultrasonic waves and the echoes, is constructed of a plurality of flexible circuit board strips in the bending portion so as to allow a bending motion. The plurality of ultrasonic wave coaxial lines, which are provided in the flexible tube to form an ultrasonic wave coaxial cable and are connected to the plurality of flexible circuit board strips, are loose and flexible in a given range.Type: GrantFiled: November 14, 2001Date of Patent: December 3, 2002Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Kenichi Ohara, Toshiyuki Hashiyama
-
Patent number: 6488631Abstract: An ultrasonic endoscope has a bending portion, an ultrasonic probe, and a flexible circuit board. The bending portion, connected to the point of a flexible tube, bends along two predetermined bending-directions perpendicular to each other, by remote control. The ultrasonic probe has a plurality of ultrasonic wave vibrators, which are arranged circumferentially, and send ultrasonic waves radially and receive echoes of the ultrasonic waves. The flexible circuit board, which transmits signals associated with the ultrasonic waves and the echoes, is constructed of a plurality of flexible circuit board strips in the bending portion so as to allow a bending motion. The plurality of flexible circuit board strips are arranged such that a bending-resistance to the bending motion occurs symmetrically with respect to a primary central line, corresponding to one of the two bending-directions.Type: GrantFiled: November 14, 2001Date of Patent: December 3, 2002Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Kenichi Ohara, Toshiyuki Hashiyama
-
Patent number: 6471654Abstract: In an ultrasonic endoscope, a plurality of flexible substrates are connected to an ultrasonic probe as a signal transmission member for transmitting a signal which is inputted into/outputted from the ultrasonic probe. The plurality of flexible substrates are drawn into a curved portion and connected to a signal cable at lengthwise different positions respectively in the inside of a flexible tube portion.Type: GrantFiled: May 8, 2001Date of Patent: October 29, 2002Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Kenichi Ohara, Toshiyuki Hashiyama
-
Patent number: 6468221Abstract: An ultrasonic endoscope has a bending portion, an ultrasonic probe, and a flexible circuit board. The bending portion, connected to the point of a flexible tube, bends along two predetermined bending-directions perpendicular to each other, by remote control. The ultrasonic probe has a plurality of ultrasonic wave vibrators, which are arranged circumferentially, and send ultrasonic waves radially and receive echoes of the ultrasonic waves. The flexible circuit board, which transmits signals associated with the ultrasonic waves and the echoes, is constructed of a plurality of flexible circuit board strips in the bending portion so as to allow a bending motion. The plurality of flexible circuit board strips is durable for the bending motion of said bending portion.Type: GrantFiled: November 14, 2001Date of Patent: October 22, 2002Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Kenichi Ohara, Toshiyuki Hashiyama
-
Publication number: 20020062084Abstract: An ultrasonic endoscope has a bending portion, an ultrasonic probe, and a flexible circuit board. The bending portion, connected to the point of a flexible tube, bends by remote control. The ultrasonic probe has a plurality of ultrasonic wave vibrators, which are arranged circumferentially, and send ultrasonic waves radially and receive echoes of the ultrasonic waves. The flexible circuit board, which transmits signals associated with the ultrasonic waves and the echoes, is constructed of a plurality of flexible circuit board strips in the bending portion so as to allow a bending motion. The plurality of ultrasonic wave coaxial lines, which are provided in the flexible tube to form an ultrasonic wave coaxial cable and are connected to the plurality of flexible circuit board strips, are loose and flexible in a given range.Type: ApplicationFiled: November 14, 2001Publication date: May 23, 2002Applicant: ASAHI KOGAKU KOGYO KABUSHIKI KAISHAInventors: Kenichi Ohara, Toshiyuki Hashiyama
-
Publication number: 20020062082Abstract: An ultrasonic endoscope has a bending portion, an ultrasonic probe, and a flexible circuit board. The bending portion, connected to the point of a flexible tube, bends along two predetermined bending-directions perpendicular to each other, by remote control. The ultrasonic probe has a plurality of ultrasonic wave vibrators, which are arranged circumferentially, and send ultrasonic waves radially and receive echoes of the ultrasonic waves. The flexible circuit board, which transmits signals associated with the ultrasonic waves and the echoes, is constructed of a plurality of flexible circuit board strips in the bending portion so as to allow a bending motion. The plurality of flexible circuit board strips is durable for the bending motion of said bending portion.Type: ApplicationFiled: November 14, 2001Publication date: May 23, 2002Applicant: ASAHI KOGAKU KOGYO KABUSHIKI KAISHAInventors: Kenichi Ohara, Toshiyuki Hashiyama
-
Publication number: 20020062083Abstract: An ultrasonic endoscope has a bending portion, an ultrasonic probe, and a flexible circuit board. The bending portion, connected to the point of a flexible tube, bends along two predetermined bending-directions perpendicular to each other, by remote control. The ultrasonic probe has a plurality of ultrasonic wave vibrators, which are arranged circumferentially, and send ultrasonic waves radially and receive echoes of the ultrasonic waves. The flexible circuit board, which transmits signals associated with the ultrasonic waves and the echoes, is constructed of a plurality of flexible circuit board strips in the bending portion so as to allow a bending motion. The plurality of flexible circuit board strips are arranged such that a bending-resistance to the bending motion occurs symmetrically with respect to a primary central line, corresponding to one of the two bending-directions.Type: ApplicationFiled: November 14, 2001Publication date: May 23, 2002Applicant: ASAHI KOGAKU KOGYO KABUSHIKI KAISHAInventors: Kenichi Ohara, Toshiyuki Hashiyama