Patents by Inventor Takashi Okamoto
Takashi Okamoto 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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Publication number: 20210172394Abstract: The present invention provides a method for avoiding knocking in an internal combustions engine, preferably in a gasoline engine with a high compression ratio and a variable valve train which is able to perform EIVC, by injecting a non-combustible fluid into the intake port and/or in the cylinder during a transient operating mode.Type: ApplicationFiled: January 24, 2019Publication date: June 10, 2021Applicant: Hitachi Automotive Systems, Ltd.Inventors: Naoki YONEYA, Takashi OKAMOTO
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Publication number: 20210159824Abstract: A pole direction detection device for detecting a pole direction of a synchronous motor having saliency comprises a high-frequency voltage application unit that applies a high-frequency voltage to the motor; an excitation phase change unit that changes an excitation phase of the motor to an arbitrary phase; a driving current detection unit that detects a driving current value of the motor; a pole direction estimation unit that detects a pole direction based on the excitation phase and the driving current value; a measurement unit that measures an inductance value of the motor; and a control unit that changes a frequency of the high-frequency voltage to be applied by the high-frequency voltage application unit based on the inductance value measured by the measurement unit.Type: ApplicationFiled: November 4, 2020Publication date: May 27, 2021Applicant: FANUC CORPORATIONInventors: Takashi OKAMOTO, Yuuki MORITA
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Publication number: 20210056144Abstract: Example embodiments relate to a network-based workflow system, employed for receiving workflows, defining one or more data-object types based on the workflows, generating data-objects, assigning a workflow from among the one or more workflows to the data-object, and managing the data-object through various states of based on the workflow. As discussed, a “workflow” refers to orchestrated and repeatable patterns enabled by a systematic organization of resources into processes that transform and modify presentations of data-objects based on corresponding data-object states. A workflow may therefore comprise a set of states, wherein each state is linked to another state by one or more transitions, and wherein the transitions are associated with a set of events which may occur at each state.Type: ApplicationFiled: October 6, 2020Publication date: February 25, 2021Inventors: Nathaniel Klein, Huanqi Deng, Kevin Whelan, Matthew LeVan, Takashi Okamoto
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Publication number: 20210032644Abstract: The present invention relates to a method for introducing a substance into a plant cell. The method of the present invention comprises introducing a substance into a plant cell present in the liquid phase using the particle gun method.Type: ApplicationFiled: July 30, 2020Publication date: February 4, 2021Applicants: JAPAN TOBACCO INC., RIKENInventors: Keiko MANNEN, Minami MATSUI, Takashi OKAMOTO, Norio KATO
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Patent number: 10839022Abstract: Example embodiments relate to a network-based workflow system, employed for receiving workflows, defining one or more data-object types based on the workflows, generating data-objects, assigning a workflow from among the one or more workflows to the data-object, and managing the data-object through various states of based on the workflow. As discussed, a “workflow” refers to orchestrated and repeatable patterns enabled by a systematic organization of resources into processes that transform and modify presentations of data-objects based on corresponding data-object states. A workflow may therefore comprise a set of states, wherein each state is linked to another state by one or more transitions, and wherein the transitions are associated with a set of events which may occur at each state.Type: GrantFiled: November 1, 2017Date of Patent: November 17, 2020Assignee: Palantir Technologies Inc.Inventors: Nathaniel Klein, Huanqi Deng, Kevin Whelan, Matthew LeVan, Takashi Okamoto
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Patent number: 10829395Abstract: Provided is a flowing-water sterilization system that includes a flow channel for passing seawater to be sterilized, and a light source emitting ultraviolet light to irradiate the seawater passing through the flow channel, wherein the light source includes a light-emitting diode that emits light not including infrared light. The light-emitting diode may emit ultraviolet light that has a wavelength of not less than 250 nm and not more than 350 nm and does not include light with a wavelength of not more than 200 nm. The system may further include a cooling unit for cooling the light source.Type: GrantFiled: October 25, 2019Date of Patent: November 10, 2020Assignee: NIKKISO CO., LTD.Inventors: Tetsumi Ochi, Shinya Watanabe, Jin Takano, Takashi Okamoto
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Publication number: 20200347790Abstract: Method for controlling injection of a non-combustible fluid into an internal combustion engine. The internal combustion engine may include at least one cylinder, at least one non-combustible fluid injector, at least one combustion phase determining means, and at least one control unit. The method may comprise the steps of determining the combustion phase by the combustion phase determining means, determining the amount of non-combustible fluid to be injected depending on the combustion phase.Type: ApplicationFiled: January 24, 2019Publication date: November 5, 2020Applicant: Hitachi Automotive Systems, Ltd.Inventors: Takashi OKAMOTO, Naoki YONEYA
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Patent number: 10823104Abstract: The purpose of the present invention is to detect variations between the quantities of fuel injected into cylinders by fuel injection devices and correct the fuel injection quantity variation while minimizing the computational load on a drive device and the level of performance required of a pressure sensor. A drive device for fuel injection devices according to the present invention performs control wherein movable valves are driven so that predetermined quantities of fuel are injected by applying, for the duration of a set energization time, a current that will reach an energization current to solenoids of a plurality of fuel injection devices which open/close fuel flow paths. The drive device is characterized in that the set energization time or energization current is corrected on the basis of a pressure detection value from a pressure sensor that is attached to a fuel supply pipe disposed upstream of the plurality of fuel injection devices.Type: GrantFiled: July 8, 2019Date of Patent: November 3, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Ryo Kusakabe, Motoyuki Abe, Toshihiro Aono, Takashi Okamoto
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Publication number: 20200316743Abstract: A control apparatus of a machine tool including a feed axis, which is driven by a feed axis motor, includes a load torque estimation unit configured to estimate a load torque acting on a spindle motor, based on a torque command to the spindle motor which drives a spindle axis of the machine tool, and a speed of the spindle motor; and a speed control unit configured to control a speed of a feed axis motor such that the load torque estimated by the load torque estimation unit follows a prescribed load torque target value.Type: ApplicationFiled: April 6, 2020Publication date: October 8, 2020Inventors: Takashi OKAMOTO, Yuuki MORITA
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Patent number: 10677184Abstract: An object of the invention is to provide a drive device of a fuel injection device which can increase the accuracy in an injected fuel injection amount by combining the fuel injections from a plurality of injection pulse widths. In the drive device of the fuel injection device which has a function of driving the fuel injection device such that the fuel injection is performed plural times in one combustion cycle, the fuel injection device is driven such that a fuel injection at a target opening level in which a valve element or a movable element of the fuel injection device reaches a regulation member and a fuel injection at an intermediate opening level in which the valve element does not reach the regulation member are included in the plural times of division injections performed in one combustion cycle.Type: GrantFiled: June 16, 2014Date of Patent: June 9, 2020Assignee: Hitachi Automotive Systems, Ltd.Inventors: Ryo Kusakabe, Toshihiro Aono, Motoyuki Abe, Takuya Mayuzumi, Masahiro Toyohara, Takashi Okamoto, Osamu Mukaihara, Shinji Nakagawa, Yusuke Kihara
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Publication number: 20200123553Abstract: The present invention relates to a method for introducing a substance into a plant.Type: ApplicationFiled: March 28, 2017Publication date: April 23, 2020Applicants: JAPAN TOBACCO INC., TOKYO METROPOLITAN UNIVERSITY, RIKENInventors: Norio KATO, Takashi OKAMOTO, Takatoshi KIBA, Erika TODA
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Patent number: 10626095Abstract: This invention relates to a cyanotriazole compound represented by the formula (1): wherein each symbols are defined in the specification, or a salt thereof. The compound or a salt thereof stimulates the citric acid cycle activity and/or improves hyperglycemia with less side effects, and excellent safety, and therefore, it is useful for treating and/or preventing diseases or disorders on which citric acid cycle activation and/or improvement of hyperglycemia has a prophylactic and/or therapeutic effect, for example, diabetes, impaired glucose tolerance, insulin resistance, diabetic complications, obesity, dyslipidemia, hepatic steatosis, atherosclerosis and/or cardiovascular disease, as well as diseases or disorders that would benefit from stimulating energy expenditure.Type: GrantFiled: July 16, 2014Date of Patent: April 21, 2020Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Seiji Sato, Satoshi Matsuda, Chiharu Matsumura, Motohiro Itotani, Toshio Shinohara, Shigekazu Fujita, Yohji Sakurai, Kuninori Tai, Tae Fukushima, Naohide Kanemoto, Takashi Okamoto
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Patent number: 10599762Abstract: A system and method for creating a dynamic electronic form are described. The system may include one or more processors that cause the system to perform create an electronic form with one or more data entry fields. The system may also obtain access to a plurality of datasets, where each dataset may include multiple entry fields and integrate at least one identified dataset with the electronic form. The system may further suggest at least one data input in the data entry field based on information input in the data entry field by a user. The data entry input suggested may be sourced from the identified dataset integrated to the electronic form.Type: GrantFiled: January 16, 2018Date of Patent: March 24, 2020Assignee: Palantir Technologies Inc.Inventors: Andrei Alexandrescu, Alexandru-Viorel Antihi, Bryan Williams, Cenk Sezgin, Geoffrey Bakker, Kunal Marwaha, Michal Adamczyk, Matthew Fedderly, Takashi Okamoto, Winnie Chai
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Patent number: 10590014Abstract: Provided is a flowing-water sterilization system that includes a flow channel for passing seawater to be sterilized, and a light source emitting ultraviolet light to irradiate the seawater passing through the flow channel, wherein the light source includes a light-emitting diode that emits light not including infrared light. The light-emitting diode may emit ultraviolet light that has a wavelength of not less than 250 nm and not more than 350 nm and does not include light with a wavelength of not more than 200 nm. The system may further include a cooling unit for cooling the light source.Type: GrantFiled: August 10, 2018Date of Patent: March 17, 2020Assignee: NIKKISO CO., LTD.Inventors: Tetsumi Ochi, Shinya Watanabe, Jin Takano, Takashi Okamoto
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Publication number: 20200071196Abstract: Provided is a flowing-water sterilization system that includes a flow channel for passing seawater to be sterilized, and a light source emitting ultraviolet light to irradiate the seawater passing through the flow channel, wherein the light source includes a light-emitting diode that emits light not including infrared light. The light-emitting diode may emit ultraviolet light that has a wavelength of not less than 250 nm and not more than 350 nm and does not include light with a wavelength of not more than 200 nm. The system may further include a cooling unit for cooling the light source.Type: ApplicationFiled: October 25, 2019Publication date: March 5, 2020Applicant: NIKKISO CO., LTD.Inventors: Tetsumi OCHI, Shinya WATANABE, Jin TAKANO, Takashi OKAMOTO
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Patent number: 10557445Abstract: Provided is a high-pressure fuel supply device for an internal combustion engine, said device being capable of suppressing noise from collisions of a plunger rod and an air intake valve. A high-pressure fuel pump 108 comprises an intake valve, a plunger rod that is formed as a separate element from the intake valve, an elastic member that biases the plunger rod in the valve-opening direction of the intake valve, and a solenoid that draws the plunger rod in the valve-closing direction of the intake valve when supplied with electricity. A control device 101 has a first control unit that applies a first current to the solenoid in order to close the intake valve, and a second control unit that applies a second current to the solenoid before the plunger rod collides with the intake valve due to the biasing force of the elastic member.Type: GrantFiled: January 12, 2016Date of Patent: February 11, 2020Assignee: Hitachi Automotive Systems, LtdInventors: Yoshinobu Arihara, Takashi Okamoto
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Publication number: 20190390207Abstract: The present invention relates to a method for introducing a substance into a plant. The method of the present invention comprises introducing a substance into a plant germ cell with incomplete cell wall formation.Type: ApplicationFiled: January 31, 2018Publication date: December 26, 2019Applicants: JAPAN TOBACCO INC., RIKEN, TOKYO METROPOLITAN UNIVERSITYInventors: Norio KATO, Masako ICHIKAWA, Takashi OKAMOTO, Narumi KOISO, Takatoshi KIBA, Erika TODA
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Publication number: 20190331052Abstract: The purpose of the present invention is to detect variations between the quantities of fuel injected into cylinders by fuel injection devices and correct the fuel injection quantity variation while minimizing the computational load on a drive device and the level of performance required of a pressure sensor. A drive device for fuel injection devices according to the present invention performs control wherein movable valves are driven so that predetermined quantities of fuel are injected by applying, for the duration of a set energization time, a current that will reach an energization current to solenoids of a plurality of fuel injection devices which open/close fuel flow paths. The drive device is characterized in that the set energization time or energization current is corrected on the basis of a pressure detection value from a pressure sensor that is attached to a fuel supply pipe disposed upstream of the plurality of fuel injection devices.Type: ApplicationFiled: July 8, 2019Publication date: October 31, 2019Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Ryo KUSAKABE, Motoyuki ABE, Toshihiro AONO, Takashi OKAMOTO
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Patent number: 10371084Abstract: A method for detecting variations between the quantities of fuel injected into cylinders by fuel injection devices and correcting the fuel injection quantity variation while minimizing the computational load on a drive device and the level of performance required of a pressure sensor includes a drive device for fuel injection control, wherein movable valves are driven so that predetermined quantities of fuel are injected by applying, for the duration of a set energization time, a current that will reach an energization current to solenoids of a plurality of fuel injection devices which open/close fuel flow paths. The drive device is characterized in that the set energization time or energization current is corrected on the basis of a pressure detection value from a pressure sensor that is attached to a fuel supply pipe disposed upstream of the plurality of fuel injection devices.Type: GrantFiled: April 22, 2015Date of Patent: August 6, 2019Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Ryo Kusakabe, Motoyuki Abe, Toshihiro Aono, Takashi Okamoto
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Patent number: 10309337Abstract: The purpose of the present invention is to provide a control device for an internal combustion engine with which it is possible to favorably control an engine even if there could occur a difference in temperatures of fuel injected into respective cylinders. The present invention is a control device for an internal combustion engine, for controlling an internal combustion engine provided with fuel injection valves for directly injecting fuel respectively to a plurality of cylinders, wherein: the control device is provided with a fuel temperature acquiring means for acquiring respective temperatures of fuel injected to each of the cylinders; and at least one of a fuel injection valve control amount, ignition control amount, and intake and exhaust valve control amount of each of the cylinders is set in accordance with the respective temperatures of fuel acquired by the fuel temperature acquiring means.Type: GrantFiled: November 25, 2015Date of Patent: June 4, 2019Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yoshihiro Sukegawa, Takashi Okamoto