Patents by Inventor Mao Ueda

Mao Ueda 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: 20210195837
    Abstract: A combine harvester includes: a grain conveyance mechanism for conveying grains from a threshing apparatus to a grain tank; a grain discharge apparatus provided in an end area of the grain conveyance mechanism, the grain discharge apparatus having a discharge case provided with a grain discharge opening, and a discharge rotor rotatably arranged in the discharge case; a pressed portion that is subjected to a pressing force applied by grains immediately before the grains are discharged by the discharge rotor; a load detector for detecting the pressing force exerted on the pressed portion; and a yield evaluator for evaluating the amount of conveyed grain based on a detection signal from the load detector.
    Type: Application
    Filed: March 12, 2021
    Publication date: July 1, 2021
    Inventors: Mao Ueda, Kazuhiro Takahara, Yoshimasa Ando
  • Patent number: 11021673
    Abstract: The invention provides a lubricating oil composition being a lubricating oil composition containing a base oil composition which includes a lubricant base oil belonging to Group 3 of the base oil categories specified by the American Petroleum Institute (API) and a comb-like polymethacrylate-based viscosity index improver wherein the weight-halving temperature is not less than 310° C., and the sulphur content in the aforementioned lubricating oil composition is not more than 0.3 weight % in terms of the total weight of the aforementioned lubricating oil composition, and the aforementioned lubricating oil composition has an SAE viscosity grade of 0W-20, 5W-20 or 5W-30, a viscosity index of not less than 185 and a high-temperature high-shear viscosity at 100° C. of not more than 7.5 mPa·s.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: June 1, 2021
    Assignee: Shell Oil Company
    Inventors: Mao Ueda, Kiyoshi Hanyuda
  • Patent number: 10980177
    Abstract: A combine harvester includes a conveyance mechanism for conveying grains obtained by a thresher for threshing grain culms reaped from a field to a grain tank, a measurer (340) for measuring the amount of grain conveyed to the grain tank as a conveyed yield, a yield assignment calculator (631) for calculating a minimal section yield, which is a yield per minimal section, by assigning the conveyed yield to a minimal section in the field, a grain conveyance state detector (632) for detecting a grain conveyance state of the conveyance mechanism (7), a yield corrector (633) for correcting the minimal section yield in accordance with the grain conveyance state, and a yield distribution data generator (661) for generating yield distribution data that represents a yield distribution in the field, based on the minimal section yield.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: April 20, 2021
    Assignee: Kubota Corporation
    Inventors: Mao Ueda, Yoshimasa Ando, Kazuhiro Takahara, Mitsuhiro Seki
  • Patent number: 10945368
    Abstract: A combine harvester includes: a grain conveyance mechanism for conveying grains from a threshing apparatus to a grain tank; a grain discharge apparatus provided in an end area of the grain conveyance mechanism, the grain discharge apparatus having a discharge case provided with a grain discharge opening, and a discharge rotor rotatably arranged in the discharge case; a pressed portion that is subjected to a pressing force applied by grains immediately before the grains are discharged by the discharge rotor; a load detector for detecting the pressing force exerted on the pressed portion; and a yield evaluator for evaluating the amount of conveyed grain based on a detection signal from the load detector.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: March 16, 2021
    Assignee: Kubota Corporation
    Inventors: Mao Ueda, Kazuhiro Takahara, Yoshimasa Ando
  • Publication number: 20200263106
    Abstract: The invention provides a lubricating oil composition for diesel engines which contains a GTL base oil with a kinematic viscosity at 100° C. of 4.5 to 5.5 mm2/s, a comblike PMA (polymethacrylate) based viscosity index improver and a boron-containing dispersant and/or boron-containing detergent, the total content of the boron-containing dispersant and/or boron-containing detergent in terms of conversion to boron content relative to the total amount of the composition being not less than 0.025 mass %, and which satisfies 0W-30 or 5W-30 in the SAE J300 standard.
    Type: Application
    Filed: December 27, 2016
    Publication date: August 20, 2020
    Inventors: Mao UEDA, Kiyoshi HANYUDA
  • Publication number: 20200224118
    Abstract: The invention provides a lubricating oil composition for internal combustion engines, containing a base oil composition containing a GTL base oil as a main component, and having % Cn of 14 to 25% and an aniline point of 120 to 126° C., and a comb-like polymethacrylate based viscosity index improver having a weight average molecular weight (Mw) of 400,000 or more, wherein a N sulfur content is 0.3 mass % or less based on a total weight of the lubricating oil composition.
    Type: Application
    Filed: September 26, 2018
    Publication date: July 16, 2020
    Inventors: Mao UEDA, Kiyoshi HANYUDA
  • Patent number: 10512216
    Abstract: The combine harvester includes a harvest frame that receives grain culms cut by a reaping device and a rake-in auger disposed within the harvest frame so as to be rotatable about a rotary axis extending in a right/left direction of the harvester body. The rake-in auger conveys the grain culms inside the harvest frame in a right/left direction of the harvester body and rakes in the grain culms toward the rear of the harvester body. The combine harvester further includes a feeder that is communicatively connected to a rear wall of the harvest frame, and that conveys the grain culms raked in by the rake-in auger toward the rear of the harvester body. A grain culm sensor that detects the presence of the grain culms when coming in contact with the grain culms is disposed at a grain culm feed port in the feeder.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: December 24, 2019
    Assignee: Kubota Corporation
    Inventors: Mao Ueda, Kazuhiro Takahara, Katsuhide Kato
  • Patent number: 10465142
    Abstract: A lubricating oil composition for internal combustion engines is disclosed. The composition exhibits a lower coefficient of friction and improved cleaning properties without causing a deterioration in thermal and oxidation stability.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: November 5, 2019
    Assignee: SHELL OIL COMPANY
    Inventors: Mao Ueda, Kiyoshi Hanyuda, Kouichi Kubo
  • Publication number: 20190270948
    Abstract: The invention provides a lubricating oil composition being a lubricating oil composition containing a base oil composition which includes a lubricant base oil belonging to Group 3 of the base oil categories specified by the American Petroleum Institute (API) and a comb-like polymethacrylate-based viscosity index improver wherein the weight-halving temperature is not less than 310° C., and the sulphur content in the aforementioned lubricating oil composition is not more than 0.3 weight % in terms of the total weight of the aforementioned lubricating oil composition, and the aforementioned lubricating oil composition has an SAE viscosity grade of 0W-20, 5W-20 or 5W-30, a viscosity index of not less than 185 and a high-temperature high-shear viscosity at 100° C. of not more than 7.5 mPa·s.
    Type: Application
    Filed: November 16, 2017
    Publication date: September 5, 2019
    Inventors: Mao UEDA, Kiyoshi HANYUDA
  • Publication number: 20190183046
    Abstract: A combine harvester includes: a grain conveyance mechanism for conveying grains from a threshing apparatus to a grain tank; a grain discharge apparatus provided in an end area of the grain conveyance mechanism, the grain discharge apparatus having a discharge case provided with a grain discharge opening, and a discharge rotor rotatably arranged in the discharge case; a pressed portion that is subjected to a pressing force applied by grains immediately before the grains are discharged by the discharge rotor; a load detector for detecting the pressing force exerted on the pressed portion; and a yield evaluator for evaluating the amount of conveyed grain based on a detection signal from the load detector.
    Type: Application
    Filed: December 20, 2016
    Publication date: June 20, 2019
    Inventors: Mao Ueda, Kazuhiro Takahara, Yoshimasa Ando
  • Patent number: 10278329
    Abstract: A grain management system includes a combine and a management server. The combine includes a grain measurer for outputting a measured value related to a component of harvested grains supplied to a grain tank, and a data transmitter for transmitting the measured value and field identification information for specifying the field to the management server via a communication line. The management server includes a receiver for receiving the field identification information and the measured value from the combine, a table manager for determining a measured value-grain component value table for deriving a grain component value using the measured value based on the field identification information, and a grain component value computer for obtaining the grain component value based on the measured value, using the measured value-grain component value table that is determined by the table manager.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: May 7, 2019
    Assignee: Kubota Corporation
    Inventors: Kazuhiro Takahara, Mao Ueda
  • Patent number: 10178829
    Abstract: A combine for reaping culms in a field while traveling, and accumulating, in a grain tank 2, grains obtained by threshing reaped culms, includes: a yield calculator for calculating a yield per unit of travel, which is a yield per unit of travel distance; a work travel determiner 53 for determining non-harvest work travel that does not involve grain harvesting, and harvest work travel that involves grain harvesting; a harvest map data generator 66 for generating harvest map data in which the yield per unit of travel, a travel route on which the combine has traveled in a field, and a result of determination performed by the work travel determiner are associated with one another; and a harvest information recorder for recording the harvest map data.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: January 15, 2019
    Assignee: Kubota Corporation
    Inventors: Kazuhiro Takahara, Mao Ueda
  • Publication number: 20180177125
    Abstract: A combine for reaping culms in a field while traveling, and accumulating, in a grain tank 2, grains obtained by threshing reaped culms, includes: a yield calculator for calculating a yield per unit of travel, which is a yield per unit of travel distance; a work travel determiner 53 for determining non-harvest work travel that does not involve grain harvesting, and harvest work travel that involves grain harvesting; a harvest map data generator 66 for generating harvest map data in which the yield per unit of travel, a travel route on which the combine has traveled in a field, and a result of determination performed by the work travel determiner are associated with one another; and a harvest information recorder for recording the harvest map data.
    Type: Application
    Filed: December 25, 2015
    Publication date: June 28, 2018
    Inventors: Kazuhiro Takahara, Mao Ueda
  • Publication number: 20180168100
    Abstract: There is a need for a combine harvester which may enhance the detection precision of a gain culm sensor by reliably bringing grain culms into contact with the grain culm sensor. The combine harvester includes: a harvest frame 11 that receives grain culms cut by a reaping device; a rake-in auger 12 that is disposed within the harvest frame 11 so as to be rotatable about a rotary axis X1 extending in a right/left direction of the harvester body, and that conveys the grain culms inside the harvest frame 11 in a right/left direction of the harvester body and rakes in the grain culms toward the rear of the harvester body; and a feeder 13 that is communicatively connected to a rear wall of the harvest frame 11, and that conveys the grain culms raked in by the rake-in auger 12 toward the rear of the harvester body. A grain culm sensor 25 that detects the presence of the grain culms when coming in contact with the grain culms is disposed at a grain culm feed port 24a in the feeder 13.
    Type: Application
    Filed: June 7, 2016
    Publication date: June 21, 2018
    Inventors: Mao Ueda, Kazuhiro Takahara, Katsuhide Kato
  • Publication number: 20180153100
    Abstract: A grain management system includes a combine and a management server 8. The combine includes a grain measurer 30 for outputting a measured value related to a component of harvested grains supplied to a grain tank 16, and a data transmitter 51a for transmitting the measured value and field identification information for specifying the field to the management server 8 via a communication line. The management server 8 includes a receiver 81b for receiving the field identification information and the measured value from the combine, a table manager 83 for determining a measured value-grain component value table for deriving a grain component value using the measured value based on the field identification information, and a grain component value computer 82 for obtaining the grain component value based on the measured value, using the measured value-grain component value table that is determined by the table manager 83.
    Type: Application
    Filed: December 25, 2015
    Publication date: June 7, 2018
    Inventors: Kazuhiro Takahara, Mao Ueda
  • Patent number: 9974233
    Abstract: A harvesting machine includes: a crop tank; a measuring device that measures an amount of crop that has been stored in the crop tank; an unloader apparatus that discharges crop that has been stored in the crop tank; a device control part that executes precise measurement oriented device setting processing; a measurement control part including a precise measurement execution part that performs, precise measurement which involves the precise measurement oriented device setting processing, and a simplified measurement execution part that executes, simplified measurement; an operational instruction processing part that outputs a precise measurement instruction and a simplified measurement instruction in response to an operation performed by a manual operation device; and a measurement result recording part that rewrites a simplified measurement result recorded based on a preceding simplified measurement instruction, with a precise measurement result that is based on a succeeding precise measurement instruction.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: May 22, 2018
    Assignee: Kubota Corporation
    Inventors: Mao Ueda, Kazuhiro Takahara, Hiroshi Ikeda, Hirotsugu Inoue, Tadashi Hamanishi, Yukihiro Iname, Shoma Deguchi
  • Publication number: 20180132419
    Abstract: A combine harvester includes a conveyance mechanism for conveying grains obtained by a thresher for threshing grain culms reaped from a field to a grain tank, a measurer (340) for measuring the amount of grain conveyed to the grain tank as a conveyed yield, a yield assignment calculator (631) for calculating a minimal section yield, which is a yield per minimal section, by assigning the conveyed yield to a minimal section in the field, a grain conveyance state detector (632) for detecting a grain conveyance state of the conveyance mechanism (7), a yield corrector (633) for correcting the minimal section yield in accordance with the grain conveyance state, and a yield distribution data generator (661) for generating yield distribution data that represents a yield distribution in the field, based on the minimal section yield.
    Type: Application
    Filed: June 17, 2016
    Publication date: May 17, 2018
    Inventors: Mao Ueda, Yoshimasa Ando, Kazuhiro Takahara, Mitsuhiro Seki
  • Publication number: 20170349855
    Abstract: A lubricating oil composition for internal combustion engines is disclosed. The composition exhibits a lower coefficient of friction and improved cleaning properties without causing a deterioration in thermal and oxidation stability.
    Type: Application
    Filed: December 9, 2015
    Publication date: December 7, 2017
    Inventors: Mao UEDA, Kiyoshi HANYUDA, Kouichi KUBO
  • Publication number: 20170188514
    Abstract: A harvesting machine includes: a crop tank; a measuring device that measures an amount of crop that has been stored in the crop tank; an unloader apparatus that discharges crop that has been stored in the crop tank; a device control part that executes precise measurement oriented device setting processing; a measurement control part including a precise measurement execution part that performs, precise measurement which involves the precise measurement oriented device setting processing, and a simplified measurement execution part that executes, simplified measurement; an operational instruction processing part that outputs a precise measurement instruction and a simplified measurement instruction in response to an operation performed by a manual operation device; and a measurement result recording part that rewrites a simplified measurement result recorded based on a preceding simplified measurement instruction, with a precise measurement result that is based on a succeeding precise measurement instruction.
    Type: Application
    Filed: April 23, 2015
    Publication date: July 6, 2017
    Inventors: Mao Ueda, Kazuhiro Takahara, Hiroshi Ikeda, Hirotsugu Inoue, Tadashi Hamanishi, Yukihiro Iname, Shoma Deguchi