Patents by Inventor Kazuo Nakazawa
Kazuo Nakazawa 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: 12072557Abstract: An ophthalmic lens and technologies relating to the ophthalmic lens including an intermediate portion that includes a portion in which a power is strengthened and thereafter weakened when the lens is viewed in an X direction from the center toward the periphery, and includes a portion A? in which the power is strengthened and thereafter weakened when the lens is viewed in an X? direction from the center toward the periphery, the X? direction being exactly opposite to the X direction, the power being strengthened in the portion A and the portion A? to be stronger than a far-vision power of a far-vision portion or a near-vision power of a near-vision portion that is arranged in a ring shape along an outer edge of the intermediate portion.Type: GrantFiled: December 10, 2018Date of Patent: August 27, 2024Assignee: HOYA CORPORATIONInventors: Akira Shimojo, Kazuo Nakazawa
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Patent number: 11464441Abstract: A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.Type: GrantFiled: March 25, 2020Date of Patent: October 11, 2022Assignees: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTERInventors: Takashi Ashihara, Koji Takizawa, Tatsuo Nishihara, Nobuhiro Suzuki, Yuuho Iwanaga, Akio Ota, Takeshi Tsuchiya, Kazuo Nakazawa, Shin Inada
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Patent number: 11409132Abstract: An ophthalmic lens, including: an optical portion having: a near portion with a near dioptric power for viewing near distance; and a distance portion with a distance dioptric for viewing a distance further than the near distance; with the near portion or the distance portion being centrally disposed, wherein a portion that is not centrally disposed is annularly disposed at an outer edge of the near portion or the distance portion, the near portion or the distance portion centrally disposed in the optical portion having a portion A in which power is intensified and then weakened when viewed in X direction from a center to a periphery, and having a portion A? in which power is intensified and then weakened when viewed in X? direction from the center to the periphery, which is an opposite direction to the X direction, and also included is a related technique thereof.Type: GrantFiled: February 2, 2017Date of Patent: August 9, 2022Assignee: HOYA CORPORATIONInventors: Akira Shimojyou, Kazuo Nakazawa
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Patent number: 11327426Abstract: An image forming device that forms an image on a medium, includes: a heater that heats the medium; a control unit that controls the heater; a first path that receives input voltage from an external power supply, converts the input voltage into desired voltage, and supplies the desired voltage to the control unit; a second path that divides the input voltage received by the first path and supplies the input voltage to the heater; a control element that is connected to the second path and controls ON/OFF switching of the heater according to control from the control unit; and a disconnection unit that disconnects the second path depending on condition of the input voltage.Type: GrantFiled: May 15, 2020Date of Patent: May 10, 2022Assignee: Oki Electric Industry Co., Ltd.Inventors: Kazuo Nakazawa, Noriyasu Sakamoto, Hisashi Ishizuka, Toru Mogi
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Publication number: 20210318556Abstract: An ophthalmic lens and technologies relating to the ophthalmic lens including an intermediate portion that includes a portion in which a power is strengthened and thereafter weakened when the lens is viewed in an X direction from the center toward the periphery, and includes a portion A? in which the power is strengthened and thereafter weakened when the lens is viewed in an X? direction from the center toward the periphery, the X? direction being exactly opposite to the X direction, the power being strengthened in the portion A and the portion A? to be stronger than a far-vision power of a far-vision portion or a near-vision power of a near-vision portion that is arranged in a ring shape along an outer edge of the intermediate portion.Type: ApplicationFiled: December 10, 2018Publication date: October 14, 2021Applicant: HOYA CORPORATIONInventors: Akira SHIMOJO, Kazuo NAKAZAWA
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Patent number: 10898098Abstract: A myocardial excitation determining apparatus which can support the determination of excitation dynamics of the myocardium during atrial fibrillation is provided. A myocardial excitation determining apparatus has: an acquiring section 2 which acquires an intracardiac electrocardiogram of a subject; a processing section 3 which computes to produce visualized data indicating a state of excitation in the myocardium, based on the intracardiac electrocardiogram; and a determining section 4 which determines the type of excitation dynamics of the myocardium based on the visualized data.Type: GrantFiled: March 14, 2017Date of Patent: January 26, 2021Assignees: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, Takeshi TSUCHIYA, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTERInventors: Takashi Ashihara, Koji Takizawa, Tatsuo Nishihara, Nobuhiro Suzuki, Yuuho Iwanaga, Akio Ota, Takeshi Tsuchiya, Kazuo Nakazawa, Shin Inada
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Publication number: 20200379393Abstract: An image forming device that forms an image on a medium, includes: a heater that heats the medium; a control unit that controls the heater; a first path that receives input voltage from an external power supply, converts the input voltage into desired voltage, and supplies the desired voltage to the control unit; a second path that divides the input voltage received by the first path and supplies the input voltage to the heater; a control element that is connected to the second path and controls ON/OFF switching of the heater according to control from the control unit; and a disconnection unit that disconnects the second path depending on condition of the input voltage.Type: ApplicationFiled: May 15, 2020Publication date: December 3, 2020Applicant: Oki Data CorporationInventors: Kazuo NAKAZAWA, Noriyasu SAKAMOTO, Hisashi ISHIZUKA, Toru MOGI
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Publication number: 20200221964Abstract: A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.Type: ApplicationFiled: March 25, 2020Publication date: July 16, 2020Applicants: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, Takeshi TSUCHIYA, NATIONAL CERERAL AND CARDIOVASCULAR CENTERInventors: Takashi ASHIHARA, Koji Takizawa, Tatsuo Nishihara, Nobuhiro Suzuki, Yuuho Iwanaga, Akio Ota, Takeshi Tsuchiya, Kazuo Nakazawa, Shin Inada
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Patent number: 10624555Abstract: A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.Type: GrantFiled: March 15, 2016Date of Patent: April 21, 2020Assignees: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTERInventors: Takashi Ashihara, Koji Takizawa, Tatsuo Nishihara, Nobuhiro Suzuki, Yuuho Iwanaga, Akio Ota, Takeshi Tsuchiya, Kazuo Nakazawa, Shin Inada
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Publication number: 20200004045Abstract: An ophthalmic lens, including: an optical portion having: a near portion with a near dioptric power for viewing near distance; and a distance portion with a distance dioptric for viewing a distance further than the near distance; with the near portion or the distance portion being centrally disposed, wherein a portion that is not centrally disposed is annularly disposed at an outer edge of the near portion or the distance portion, the near portion or the distance portion centrally disposed in the optical portion having a portion A in which power is intensified and then weakened when viewed in X direction from a center to a periphery, and having a portion A? in which power is intensified and then weakened when viewed in X? direction from the center to the periphery, which is an opposite direction to the X direction, and also included is a related technique thereof.Type: ApplicationFiled: February 2, 2017Publication date: January 2, 2020Applicant: Hoya CorporationInventors: Akira SHIMOJYOU, Kazuo NAKAZAWA
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Publication number: 20190076041Abstract: A myocardial excitation determining apparatus which can support the determination of excitation dynamics of the myocardium during atrial fibrillation is provided. A myocardial excitation determining apparatus has: an acquiring section 2 which acquires an intracardiac electrocardiogram of a subject; a processing section 3 which computes to produce visualized data indicating a state of excitation in the myocardium, based on the intracardiac electrocardiogram; and a determining section 4 which determines the type of excitation dynamics of the myocardium based on the visualized data.Type: ApplicationFiled: March 14, 2017Publication date: March 14, 2019Applicants: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTERInventors: Takashi ASHIHARA, Koji TAKIZAWA, Tatsuo NISHIHARA, Nobuhiro SUZUKI, Yuuho IWANAGA, Akio OTA, Takeshi TSUCHIYA, Kazuo NAKAZAWA, Shin INADA
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Publication number: 20180289278Abstract: A cardiac catheter inspection apparatus comprising: an acquiring section (31) which is configured to acquire a first waveform of heart beats during sinus rhythm, and an arrhythmia waveform during arrhythmia; a measuring section (31) which is configured to measure a second electrocardiogram; a first calculating section (32) which is configured to calculate correction coefficients for statistically matching the first electrocardiogram and the second electrocardiogram with each other; a waveform producing section (34) which is configured to produce a comparison waveform that functions as an object to be compared with a response waveform of pacing performed by a cardiac catheter; and a second calculating section (36) which is configured to calculate a matching rate of the response waveform and the comparison waveform.Type: ApplicationFiled: January 5, 2016Publication date: October 11, 2018Applicants: NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL & CARDIOVASCULAR CENTERInventors: Kazuo NAKAZAWA, Shin INADA, Tatsuo NISHIHARA, Koji TAKIZAWA, Hiroki YUZE, Naoki KOURA
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Publication number: 20180070844Abstract: A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.Type: ApplicationFiled: March 15, 2016Publication date: March 15, 2018Applicants: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTERInventors: Takashi ASHIHARA, Koji TAKIZAWA, Tatsuo NISHIHARA, Nobuhiro SUZUKI, Yuuho IWANAGA, Akio OTA, Takeshi TSUCHIYA, Kazuo NAKAZAWA, Shin INADA
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Patent number: 9792679Abstract: A diagnosis assistance apparatus for assisting a diagnosis using schemas includes a storage section that stores a plurality of different schemas each configured by a figure representing a body region, an acquiring section that acquires results of a plurality of examinations that are performed on an examination target, a schema refining section that refines a schema of a body region related to a disease that is predicted from the acquired examination results, from the schemas step-by-step in accordance with progress of the examinations, and a displaying section that displays the schema refined by the schema refining section.Type: GrantFiled: June 9, 2014Date of Patent: October 17, 2017Assignees: NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER, Nihon Kohden CorporationInventors: Kazuo Nakazawa, Michiaki Iwata, Miyuki Hayashi, Tatsuo Yoshida, Tatsuo Nishihara, Koji Takizawa
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Publication number: 20140369589Abstract: A diagnosis assistance apparatus for assisting a diagnosis using schemas includes a storage section that stores a plurality of different schemas each configured by a figure representing a body region, an acquiring section that acquires results of a plurality of examinations that are performed on an examination target, a schema refining section that refines a schema of a body region related to a disease that is predicted from the acquired examination results, from the schemas step-by-step in accordance with progress of the examinations, and a displaying section that displays the schema refined by the schema refining section.Type: ApplicationFiled: June 9, 2014Publication date: December 18, 2014Applicants: NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER, Nihon Kohden CorporationInventors: Kazuo NAKAZAWA, Michiaki IWATA, Miyuki HAYASHI, Tatsuo YOSHIDA, Tatsuo NISHIHARA, Koji TAKIZAWA
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Patent number: 8718249Abstract: A communication device includes a communication unit configured to send and receive data via an attachable and detachable line, a power controller configured to reduce a power supply to the communication unit when a certain condition is satisfied, and a determination unit configured to determine whether or not a setting for sending and receiving data via the line by the communication unit is made. The power controller maintains the power supply to the communication unit at a call-receivable level, if it is determined that the setting for using the line is made.Type: GrantFiled: February 20, 2013Date of Patent: May 6, 2014Assignee: Oki Data CorporationInventor: Kazuo Nakazawa
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Patent number: 8599030Abstract: A communication apparatus includes a communication connector, a communication section, a connection section, a state detector, a controller and a warning section. The communication section controls communication performed through the communication connector, to which a communication plug is connected. The connection section connects the communication connector and the communication section. The state detector generates a state detection signal corresponding to a connection state of the communication plug relative to the communication connector. The controller determines which of a normal connection state, an improper connection state and a non-connection state the communication plug is in based on the state detection signal. The controller also controls an ON-OFF operation of the connection section. The warning section notifies a user of results determined by the controller.Type: GrantFiled: June 10, 2010Date of Patent: December 3, 2013Assignee: Oki Data CorporationInventors: Minoru Kanno, Kazuo Nakazawa
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Patent number: 8526585Abstract: A communication terminal devicecapable of being connected with an external telephone and of receiving and transmitting facsimile data from and to a network, includes: an off-hook detector configured to detect an off-hook condition of the external telephone, an semiconductor DAA (Data Access Arrangement) including an impedance switcher configured to switch impedances and a direct-current resistance switcher configured to switch direct-current resistances; an impedance switching controller configured to instruct the impedance switcher to switch the impedances; a direct-current resistance switching controller configured to instruct the direct-current resistance switcher to switch the direct-current resistances, wherein, when the off-hook detector detects the off-hook condition of the external telephone, the impedance switching controller instructs the impedance switcher to switch the impedances and the direct-current resistance switching controller instructs the direct-current resistance switcher to switch the dType: GrantFiled: January 22, 2010Date of Patent: September 3, 2013Assignee: Oki Data CorporationInventor: Kazuo Nakazawa
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Publication number: 20100328087Abstract: A communication apparatus includes a communication connector, a communication section, a connection section, a state detector, a controller and a warning section. The communication section controls communication performed through the communication connector, to which a communication plug is connected. The connection section connects the communication connector and the communication section. The state detector generates a state detection signal corresponding to a connection state of the communication plug relative to the communication connector. The controller determines which of a normal connection state, an improper connection state and a non-connection state the communication plug is in based on the state detection signal. The controller also controls an ON-OFF operation of the connection section. The warning section notifies a user of results determined by the controller.Type: ApplicationFiled: June 10, 2010Publication date: December 30, 2010Applicant: Oki Data CorporationInventors: Minoru Kanno, Kazuo Nakazawa
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Patent number: 7852518Abstract: An image inputting apparatus has an image reading device and a storage medium that can be removably loaded into the image reading device, and a controller that causes the storage medium to store image data read through the image reading device. The apparatus includes an image analyzing section and a data converting section. The image analyzing section analyzes image format information previously stored in the storage medium. The data converting section converts the image data read through the image reading device, conversion being performed based on an analysis result of the image analyzing section. The controller causes the storage medium to store the image data read through the image reading device. The image format information includes a file format, the number of colors, the size of image, and the type of primary colors.Type: GrantFiled: December 22, 2004Date of Patent: December 14, 2010Assignee: Oki Data CorporationInventor: Kazuo Nakazawa