Patents by Inventor Jun Takizawa

Jun Takizawa 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).

  • Patent number: 11874661
    Abstract: Remaining charge acquisition means of a battery installation system acquires remaining charge information on a remaining charge of each of a plurality of batteries which are installable in an unmanned aerial vehicle. Battery weight acquisition means acquires battery weight information on a weight of each battery. Location acquisition means acquires location information on a movement destination of the unmanned aerial vehicle. Selection means selects, based on the remaining charge information, the battery weight information, and the location information, from among the plurality of batteries, a battery having a remaining charge equal to or more than a battery consumption amount for moving to the movement destination. Processing execution means executes processing for installing the battery selected by the selection means in the unmanned aerial vehicle.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: January 16, 2024
    Assignee: RAKUTEN GROUP, INC.
    Inventors: Junji Torii, Jun Takizawa
  • Publication number: 20240010412
    Abstract: A buffer material is formed by assembling four buffer members containing cellulose fibers and having a plate shape, in which the cellulose fibers are oriented along a main surface of the buffer member, a first buffer member and a third buffer member among the four buffer members are spaced apart from each other and have the respective main surfaces disposed along each other, and a second buffer member and a fourth buffer member are spaced apart from each other and have the respective main surfaces disposed along each other, a rectangular frame shape is shown when viewed in a plan view from a direction along a Z axis, and an article is stored in a region surrounded by the four buffer members in the plan view.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 11, 2024
    Inventors: Tomoaki NAKAMURA, Tetsuji FUJITA, Jun TAKIZAWA, Hisashi KOIKE
  • Publication number: 20240010413
    Abstract: A buffer material includes four buffer members containing cellulose fibers and having rectangular plate shapes similar to each other, in which the cellulose fibers are oriented along a main surface of the buffer member, at least two buffer members among the four buffer members have two recess portions on one specific side, the buffer material is assembled by inserting the other buffer members into the recess portions of the buffer members, two buffer members among the four buffer members are spaced apart from each other and each have the main surfaces disposed along a YZ plane, and the other two buffer members are spaced apart from each other and each have the main surfaces disposed along an XZ plane, and an article is stored in a region surrounded by the four buffer members in the plan view.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 11, 2024
    Inventors: Tomoaki NAKAMURA, Tetsuji FUJITA, Jun TAKIZAWA, Hisashi KOIKE
  • Patent number: 11809204
    Abstract: An unmanned aerial vehicle (UAV) control system includes a first UAV, a second UAV that flies near the first UAV during a flight of the first UAV and is configured to obtain wind information about wind, and flight control means for controlling the flight of the first UAV based on the wind information obtained by the second UAV.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: November 7, 2023
    Assignee: RAKUTEN GROUP, INC.
    Inventors: Junji Torii, Jun Takizawa
  • Publication number: 20230260410
    Abstract: The information processing device detects a feature existing in the peripheral area of a landing candidate place of the UAV 1, estimates a degree of influence on a landing due to downwardly-blowing wind generated during the landing of the UAV 1, hitting and bouncing off the feature, which is the degree of influence at the landing candidate place, and determines whether or not the landing candidate place is suitable for landing on the basis of the estimated degree of influence.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 17, 2023
    Applicant: RAKUTEN GROUP, INC.
    Inventors: Mitsuru NAKAZAWA, Jun TAKIZAWA
  • Patent number: 11693400
    Abstract: To ensure stability of flying by an unmanned aerial vehicle, first acquisition means of an unmanned aerial vehicle control system acquires first information, which is at least one piece of information for operating an unmanned aerial vehicle that is flying or information on a result of detecting an operation of the unmanned aerial vehicle. Second acquisition means acquires second information for operating the unmanned aerial vehicle after switching of control of the unmanned aerial vehicle. Flight control means restricts, in accordance with the first information and the second information, switching to control of the unmanned aerial vehicle based on the second information.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: July 4, 2023
    Assignee: RAKUTEN GROUP, INC.
    Inventors: Junji Torii, Jun Takizawa
  • Publication number: 20230150231
    Abstract: A buffer material is a material including a buffer sheet that contains cellulose fibers and a binding material binding the cellulose fibers and has a sheet shape, and a nonwoven fabric sheet that is provided on at least one surface side of the buffer sheet and is formed of nonwoven fabric. Further, a thickness T2 of the nonwoven fabric sheet is 5% or greater and 90% or less of a thickness Tl of the buffer sheet. Further, a basis weight of fibers in the nonwoven fabric sheet is less than a basis weight of the cellulose fibers in the buffer sheet.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 18, 2023
    Inventors: Jun TAKIZAWA, Tetsuji FUJITA, Tomoaki NAKAMURA, Hisashi KOIKE
  • Publication number: 20230147271
    Abstract: A buffer material of the present disclosure is a buffer material including a buffer sheet that contains cellulose fibers and a binding material binding the cellulose fibers and has a sheet shape, in which the buffer sheet has a plurality of first projections that protrude toward at least one surface side and are provided in a lattice shape. Further, it is preferable that the buffer sheet further have a plurality of second projections having a projection amount that is greater than a projection amount of the first projections.
    Type: Application
    Filed: November 7, 2022
    Publication date: May 11, 2023
    Inventors: Jun TAKIZAWA, Tetsuji FUJITA, Tomoaki NAKAMURA, Hisashi KOIKE
  • Patent number: 11635776
    Abstract: An unmanned aerial vehicle is caused to fly by avoiding a no-fly zone, which changes as a moving object moves. Provided is an unmanned aerial vehicle control system, including: moving object position acquisition means for acquiring moving object position information on a current position of a moving object moving above a surface of an earth; zone setting means for setting a no-fly zone in which a flight of an unmanned aerial vehicle is inhibited based on the moving object position information; and flight control means for controlling the flight of the unmanned aerial vehicle so that the unmanned aerial vehicle avoids the no-fly zone set based on the moving object position information.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: April 25, 2023
    Assignee: RAKUTEN GROUP, INC.
    Inventor: Jun Takizawa
  • Publication number: 20230122259
    Abstract: An advertisement print method includes an advertisement information obtaining step of obtaining, by an advertisement processing apparatus, advertisement information input by an input apparatus, a transaction data selection step of selecting, by the advertisement processing apparatus, N transaction data associated with the advertisement information from a plurality of transaction data stored in an e-commerce database based on the advertisement information and orderer information and receiver information stored in the e-commerce database, N being an integer not less than 1, and a print step of printing, by a print apparatus, an advertisement based on the advertisement information on packing materials of N products specified by the N selected transaction data.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 20, 2023
    Inventors: Tetsuji FUJITA, Hisashi KOIKE, Satoru YANAGI, Tokuro MIYANISHI, Jun TAKIZAWA, Tomoaki NAKAMURA, Akio ITO, Toshiaki MIKOSHIBA
  • Publication number: 20230116047
    Abstract: The sensing system S extracts a target area to be subjected to short-distance sensing by the UGV 2 on the basis of the long-distance sensing data obtained by the UAV 1 in the air performing long-distance sensing on a lower place, perform movement control for moving the UGV 2 toward the target area. And then, the sensing system acquires short-distance sensing data obtained by performing short-distance sensing on the whole or a part of the target area by the UGV 2 that has moved according to the movement control.
    Type: Application
    Filed: November 27, 2020
    Publication date: April 13, 2023
    Applicant: RAKUTEN GROUP, INC.
    Inventors: Mitsuru NAKAZAWA, Jun TAKIZAWA
  • Publication number: 20230037691
    Abstract: A buffer material of the present disclosure is a material including cellulose fibers and a binding material that binds the cellulose fibers, in which the binding material is a natural component and a proportion of the binding material in the buffer material is 10.0% by mass or greater and 30.0% by mass or less. It is preferable that the buffer material of the present disclosure have a thickness of 1.0 mm or greater and 100 mm or less and that the buffer material have a density of 0.02 g/cm3 or greater and 0.20 g/cm3 or less. It is preferable that the binding material contain a shellac resin. It is preferable that a content of lignin in the cellulose fibers be 5.0% by mass or less.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 9, 2023
    Inventors: Jun TAKIZAWA, Tetsuji FUJITA, Akio ITO
  • Patent number: 11567513
    Abstract: Stability of an unmanned aerial vehicle is sought by using a flight controller of an unmanned aerial vehicle control system for controlling flying by an unmanned aerial vehicle based on an instruction from a first operator. A determiner is used to determine whether a second operator visually recognizes the unmanned aerial vehicle based on a predetermined determination method. A switcher is used to switch, based on a result of the determination obtained by the determiner, from a first state, in which the unmanned aerial vehicle flies in accordance with an instruction from the first operator, to a second state, in which the unmanned aerial vehicle flies in accordance with an instruction from the second operator.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: January 31, 2023
    Assignee: RAKUTEN GROUP, INC.
    Inventors: Junji Torii, Jun Takizawa
  • Publication number: 20220308598
    Abstract: The learning system SY1 acquires control information output from a control model M by inputting to the control model M environmental information including weather information in at least one of a surrounding environment of an unmanned aerial vehicle P and an environment of a planned flight area of an unmanned aerial vehicle P, and when the unmanned aerial vehicle P takes an action based on the control information, performs reinforcement learning of the control model M using a reward r representing an evaluation of a result of the action.
    Type: Application
    Filed: September 25, 2020
    Publication date: September 29, 2022
    Applicant: RAKUTEN GROUP, INC.
    Inventors: Mitsuru NAKAZAWA, Jun TAKIZAWA
  • Publication number: 20220306364
    Abstract: In a welded film laminate 1, a second protective layer 14 of a first film substrate 2 and a third protective layer 22 of a second film substrate 3 are welded and fixed to each other by an adhesive layer melted out from at least one of a first adhesive layer 11 to a fourth adhesive layer 27 via a first melted penetration portion 6a of the second protective layer 14 and/or a second melted penetration portion 6b of the third protective layer 22. A welding fixed portion 6c is surrounded in a plan view by a first welded portion 33 in which the first adhesive layer 11 and a second adhesive layer 15 of the first film substrate 2 are welded to each other and/or a second welded portion 35 in which a third adhesive layer 23 and the fourth adhesive layer 27 of the second film substrate 3 are welded to each other.
    Type: Application
    Filed: March 24, 2022
    Publication date: September 29, 2022
    Inventors: Yuto MOMOSE, Jun TAKIZAWA
  • Patent number: 11375643
    Abstract: An inverter unit includes a circuit board that has a power device and a capacitor configuring an inverter circuit and provided on a front surface and an exposure region provided on a rear surface, a lower case that is provided with an exposure opening for exposing the exposure region and supports a surrounding area of the exposure region, and an upper case that is provided with a rib structure pressed against the front surface of the circuit board and pressurizing the circuit board toward the lower case and has the lower case attached thereto. The circuit board is sandwiched between the lower case and the upper case.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: June 28, 2022
    Assignee: IHI Corporation
    Inventors: Yuji Sasaki, Hirofumi Horiuchi, Jun Takizawa, Eiji Takamura, Teruyuki Wada
  • Publication number: 20220090330
    Abstract: A fiber structural body includes cellulose fibers and a binding material which binds the cellulose fibers, the cellulose fibers are contained at a content of 50.0 to 70.0 percent by mass with respect to the fiber structural body, and the binding material is a natural component.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 24, 2022
    Inventors: Tetsuji FUJITA, Jun TAKIZAWA, Makoto OMURA, Akio ITO
  • Publication number: 20220068155
    Abstract: Provided is a flight simulation system for an unmanned aerial vehicle capable of performing pilot training of the unmanned aerial vehicle in an environment closer to a real environment. The flight simulation system for an unmanned aerial vehicle includes: an operation data acquisition unit configured to acquire operation data of a virtual unmanned aerial vehicle performed by a trainee; a simulator unit configured to calculate, based on geospatial data of a real space and the operation data, a current position of the virtual unmanned aerial vehicle in the real space; and a display unit configured to generate an image of the virtual unmanned aerial vehicle so that the virtual unmanned aerial vehicle is visually recognizable at the current position in the real space, and to output the generated image to the trainee.
    Type: Application
    Filed: August 30, 2019
    Publication date: March 3, 2022
    Inventors: Mitsuru NAKAZAWA, Jun TAKIZAWA
  • Publication number: 20220024582
    Abstract: The unmanned aerial vehicle system S identifies a landing point candidate that is a candidate for an emergency landing point for causing an UAV 1 flying toward a destination point to make an emergency landing at other than the destination point and calculate a recovery cost regarding a recovery route candidate connecting a reference point and the landing point candidate, the recovery cost being used to determine a recovery route connecting the reference point and the emergency landing point or the emergency landing point.
    Type: Application
    Filed: August 20, 2019
    Publication date: January 27, 2022
    Applicant: Rakuten Group,Inc.
    Inventors: Mitsuru NAKAZAWA, Jun TAKIZAWA
  • Publication number: 20210362839
    Abstract: A first attitude estimation unit 16 estimates an attitude of an UAV 1 by performing a Visual-SLAM on the basis of detection values detected by an imaging unit 14, and a second attitude estimation unit 17 estimates an attitude of the UAV 1 on the basis of detection values detected by a rotation angle detection unit 15. And then a control unit 18 controls the attitude of the UAV 1 by utilizing a first attitude estimation result from the first attitude estimation unit 16 and a second attitude estimation result from the second attitude estimation unit 17 at a ratio based on positional information of the UAV 1.
    Type: Application
    Filed: November 5, 2019
    Publication date: November 25, 2021
    Applicant: Rakuten Group, Inc.
    Inventors: Mitsuru NAKAZAWA, Jun TAKIZAWA