Patents by Inventor Daisuke Nagao

Daisuke Nagao 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: 20250041676
    Abstract: A grommet (20) includes a tubular portion (21). The tubular portion extends along a first direction (DR1), and has a tip end (21a) and a base end (21b) located opposite to the tip end in the first direction. The tubular portion is provided with a through hole (21c) extending in the first direction and opening at the tip end and the base end of the tubular portion. When the tubular portion is viewed from the tip end along the first direction, a first opening edge (21d) has a first portion (21da), the first opening edge being an opening edge of the through hole at the tip end of the tubular portion.
    Type: Application
    Filed: December 1, 2022
    Publication date: February 6, 2025
    Inventors: Yohei YAMASHITA, Hiroshi NAGAO, Daisuke YASUTOMI, Kan SAITO
  • Publication number: 20240286922
    Abstract: A lithium metal composite oxide contains a secondary particle which is an aggregate of primary particles and a single particle which exists independently of the secondary particle, in which the lithium metal composite oxide has a layered rock-salt structure, is represented by Composition Formula (I), and satisfies (1) and (2) below. (1): 1.2?LA/LB<1.60 (LA is a crystallite diameter obtained from a diffraction peak within the range of 2?=18.8±1° and LB is a crystallite diameter obtained from a diffraction peak within the range of 2?=38.3±1° in a diffraction peak obtained from powder X-ray diffraction using CuK? rays.) (2): a Me occupancy at a lithium site in the layered rock-salt structure is 2.5% or less, as determined by analyzing the diffraction peaks by the Rietveld analysis method, and the Me is Ni, Co, Mn, or X1.
    Type: Application
    Filed: June 14, 2022
    Publication date: August 29, 2024
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Marie TAKIGUCHI, Daisuke NAGAO
  • Publication number: 20240285157
    Abstract: Real-time performance in image recognition is improved, and a deterioration in robustness is inhibited. A medical observation system according to an embodiment includes: a first imaging unit (11) that includes a plurality of pixels (110) each of which detects a change in luminance of incident light as an event and that acquires an image of an environment in an abdominal cavity of a living body; a polarizing filter (15) disposed on an optical path of the incident light incident on the first imaging unit; and an adjustment unit (20) that adjusts luminance of the incident light incident on the first imaging unit by adjusting luminance of light transmitted through the polarizing filter based on the image acquired by the first imaging unit.
    Type: Application
    Filed: February 14, 2022
    Publication date: August 29, 2024
    Inventors: DAISUKE NAGAO, KENJI TAKAHASHI, KEI TOMATSU, YOHEI KURODA, MASAYUKI UMEJIMA
  • Patent number: 12030783
    Abstract: An object of the present disclosure is to provide a method for producing a core-shell porous silica particle with an increased thickness of the shell. The object is met by a method for producing a core-shell porous silica particle, the method including the following steps: (a) preparing; (b) forming a shell precursor; (c) forming a shell; (d) preparing; (e) forming a shell precursor; and (f) forming a shell; wherein the steps (d) through (f) are further repeated one to three times, in which case the step of forming a shell described in step (d) refers to step (f).
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: July 9, 2024
    Assignees: TOHOKU UNIVERSITY, DAICEL CORPORATION
    Inventors: Daisuke Fukuda, Daisuke Nagao, Haruyuki Ishii, Shunho Ishikawa
  • Publication number: 20240168685
    Abstract: An image forming system includes an image forming unit configured to form a print image to be printed on a recording medium, based on a raster image and print setting information, a printing unit configured to print an image on the recording medium based on the print image, an image reading unit configured to read the image printed on the recording medium to obtain a read image, and a determination unit configured to determine whether there is an error in the image printed on the recording medium, based on the read image and the raster image. In a case where there is a predetermined difference between the raster image and the read image and the predetermined difference is based on the print setting information, the determination unit does not determine that there is an error in the printed image.
    Type: Application
    Filed: January 31, 2024
    Publication date: May 23, 2024
    Inventors: Daisuke Nagao, Yurino Kojima
  • Patent number: 11964253
    Abstract: Provided is a production method for core-shell porous silica particles, the production method including: a preparation step of preparing an aqueous solution comprising non-porous silica particles, a cationic surfactant, a basic catalyst, an electrolyte, and an alcohol; a shell precursor formation step at adding a silica source to the aqueous solution to form a shell precursor on a surface of the non-porous silica particles; and a shell formation step of removing the cationic surfactant from the shell precursor to form a porous shell.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: April 23, 2024
    Assignees: TOHOKU UNIVERSITY, DAICEL CORPORATION
    Inventors: Daisuke Nagao, Haruyuki Ishii, Shunho Ishikawa
  • Publication number: 20240123427
    Abstract: A method for producing core-shell porous silica particles including: a step of forming a shell precursor by continuously adding a silica source-containing liquid into an aqueous suspension containing non-porous silica particles, a cationic surfactant, a basic catalyst, and an alcohol under conditions that a pH of the reaction system is from 7 to 13 and a pH value change of the reaction system is 1.5/10 min to form a shell precursor on a surface of non-porous silica particles; and a step of forming a porous shell by removing the cationic surfactant from the shell precursor, to form a porous shell; wherein in the step of forming the shell precursor, when a specific surface area of the non-porous silica particles is Xm2/g, a used amount of the non-porous silica particles is Yg, and a used amount of the silica source is Zcm3, Z/(XY) being from 0.01 to 10.
    Type: Application
    Filed: February 10, 2022
    Publication date: April 18, 2024
    Applicants: TOHOKU UNIVERSITY, DAICEL CORPORATION
    Inventors: Daisuke NAGAO, Keishi SUGA, Chinatsu YOSHIZAWA, Hiroakira DEN
  • Patent number: 11961995
    Abstract: A lithium metal composite oxide powder, which comprises primary particles and secondary particles that are aggregates of the primary particles, and has an ?-NaFeO2 type crystal structure, wherein a half width (A) of a diffraction peak in a range of 2?=18.7±1° in a powder X-ray diffraction measurement for the lithium metal composite oxide powder using CuK? ray is 0.135° or more and 0.165° or less, and a c-axis lattice constant of the ?-NaFeO2 type crystal structure is 14.178 ? or more and 14.235 ? or less.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: April 16, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Jun-ichi Kageura, Daisuke Nagao
  • Publication number: 20240090759
    Abstract: There is provided a medical observation device that includes an imaging unit (200) that can image an environment inside an abdominal cavity of a living body, and the imaging unit includes a plurality of first pixels (302) that are aligned in a matrix, and an event detection unit (308) that detects that a luminance change amount of light incident on each of the plurality of first pixels exceeds a predetermined threshold.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 21, 2024
    Inventors: YOHEI KURODA, SHINJI KATSUKI, KEI TOMATSU, YUGO KATSUKI, DAISUKE NAGAO
  • Patent number: 11922077
    Abstract: An image forming system includes an image forming unit configured to form a print image to be printed on a recording medium, based on a raster image and print setting information, a printing unit configured to print an image on the recording medium based on the print image, an image reading unit configured to read the image printed on the recording medium to obtain a read image, and a determination unit configured to determine whether there is an error in the image printed on the recording medium, based on the read image and the raster image. In a case where there is a predetermined difference between the raster image and the read image and the predetermined difference is based on the print setting information, the determination unit does not determine that there is an error in the printed image.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: March 5, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Daisuke Nagao, Yurino Kojima
  • Publication number: 20240063383
    Abstract: An object of the present invention is to provide a lithium metal composite oxide, when used as a positive electrode active material for a lithium secondary battery, capable of obtaining a lithium secondary battery having a high cycle retention rate, and a positive electrode active material for a lithium secondary battery, a positive electrode for a lithium secondary battery, and a lithium secondary battery in which the lithium metal composite oxide is used.
    Type: Application
    Filed: January 31, 2022
    Publication date: February 22, 2024
    Inventors: Daisuke NAGAO, Kenji TAKAMORI
  • Publication number: 20230355332
    Abstract: Provided is a medical arm control system including a first determination unit (222) that performs supervised learning using first input data and first training data and generates an autonomous movement control model for autonomously moving a medical arm, a second determination unit (224) that performs supervised learning using second input data and second training data and generates a reward model for calculating a reward to be given to a movement of the medical arm, and a reinforcement learning unit (230) that executes the reward model using third input data and reinforces the autonomous movement control model using the reward calculated by the reward model.
    Type: Application
    Filed: August 16, 2021
    Publication date: November 9, 2023
    Inventor: DAISUKE NAGAO
  • Publication number: 20230282345
    Abstract: Provided is a medical support system that supports medical practice by a doctor. The medical support system includes: a control unit; a recognition unit that recognizes an operative field environment; and a machine learning model that estimates an operation performed by the medical support system on the basis of a recognition result of the recognition unit. The control unit outputs determination basis information regarding the operation estimated by the machine learning model to an information presentation unit. The control unit further includes a calculation unit that calculates reliability regarding an estimation result of the machine learning model, and outputs the reliability to the information presentation unit.
    Type: Application
    Filed: June 10, 2021
    Publication date: September 7, 2023
    Inventors: KENJI SUZUKI, YOHEI KURODA, DAISUKE NAGAO, KANA MATSUURA
  • Patent number: 11696814
    Abstract: Proposed is a mechanism capable of securing both convenience and safety in regard to surgery performed by inserting an endoscope into a human body. A medical arm system including a multi-joint arm which has a plurality of links connected by joints and a distal end to which an endoscope is connectable and a control unit which sets a virtual plane in a body cavity of a patient and controls the multi-joint arm so as to constrain a predetermined point of the endoscope in the body cavity on the virtual plane.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: July 11, 2023
    Assignee: SONY CORPORATION
    Inventors: Daisuke Nagao, Toshimitsu Tsuboi, Yasuhiro Matsuda, Tetsuharu Fukushima
  • Publication number: 20230176794
    Abstract: An image forming system includes an image forming unit configured to form a print image to be printed on a recording medium, based on a raster image and print setting information, a printing unit configured to print an image on the recording medium based on the print image, an image reading unit configured to read the image printed on the recording medium to obtain a read image, and a determination unit configured to determine whether there is an error in the image printed on the recording medium, based on the read image and the raster image. In a case where there is a predetermined difference between the raster image and the read image and the predetermined difference is based on the print setting information, the determination unit does not determine that there is an error in the printed image.
    Type: Application
    Filed: December 2, 2022
    Publication date: June 8, 2023
    Inventors: Daisuke Nagao, Yurino Kojima
  • Publication number: 20230159349
    Abstract: A positive electrode active material precursor for a lithium secondary battery containing at least Ni, in which S/D50 that is a ratio of a BET specific surface area S to a 50% cumulative volume particle size D50 is 2×10 to 20×106 m/g, and, in powder X-ray diffraction measurement using a CuK? ray, A/B that is a ratio of an integrated intensity A of a diffraction peak within a range of 2?=37.5±1° to an integrated intensity B of a diffraction peak within a range of 2?=62.8±1° is more than 0.80 and 1.33 or less.
    Type: Application
    Filed: April 27, 2021
    Publication date: May 25, 2023
    Inventor: Daisuke NAGAO
  • Publication number: 20230142404
    Abstract: Systems and methods can comprise or involve predicting future movement information for a medical articulating arm using a learned model generated based on learned previous movement information from a prior non-autonomous trajectory of the medical articulating arm performed in response to operator input and using current movement information for the medical articulating arm, generating control signaling to autonomously control movement of the medical articulating arm in accordance with the predicted future movement information for the medical articulating arm, and autonomously controlling the movement of the medical articulating arm in accordance with the predicted future movement information for the medical articulating arm based on the generated control signaling.
    Type: Application
    Filed: September 8, 2021
    Publication date: May 11, 2023
    Applicant: Sony Group Corporation
    Inventors: Yuka ARIKI, Masaru USUI, Daisuke NAGAO, Kazuto YOKOYAMA, Yohei KURODA
  • Publication number: 20230069426
    Abstract: The present invention relates to a lithium metal composite oxide represented by the composition formula (I), the lithium metal composite oxide satisfies requirements (1) to (3): (1) a ratio (I1/I2) of an integral intensity I1 of a diffraction peak in a range of 2?= 36.7 ± 1° with respect to an integral intensity I2 of a diffraction peak in a range of 2?= 64.9 ± 1° in a powder X-ray diffraction measurement for the lithium metal composite oxide using Cu—K? ray is 2.0 or more; (2) a BET specific surface area is 0.7 m2/g or less; and (3) a 10% cumulative volume particle size D10 is 5 µm or more.
    Type: Application
    Filed: December 22, 2020
    Publication date: March 2, 2023
    Inventors: Marie TAKEMOTO, Daisuke NAGAO
  • Patent number: 11557762
    Abstract: The present invention relates to a lithium composite metal oxide which satisfies the requirements (1) and (2) described below. Requirement (1): The ratio of the half width A of the diffraction peak within the range of 2?=64.5±1° to the half width B of the diffraction peak within the range of 2?=44.4±1°, namely A/B is from 1.39 to 1.75 (inclusive) in powder X-ray diffractometry using a Cu—K? ray. Requirement (2): The ratio of the volume-based 90% cumulative particle size (D90) to the volume-based 10% cumulative particle size (D10), namely D90/D10 is 3 or more.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: January 17, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Daisuke Nagao
  • Patent number: 11553838
    Abstract: There is provided an endoscope including a main body including a coupler to which a cable is attached, a tubular section having a tubular form, a reflector having a reflection surface that reflects light introduced from the coupler to inside of the main body and introduces the light to inside of the tubular section, a first optical system that transmits the light introduced by the reflector to the inside of the tubular section to a front-end portion of the tubular section and irradiates a subject with the light from the front-end portion, and a second optical system that transmits reflected light of the subject from the front-end portion of the tubular section to the main body side. The coupler is provided to be rotatable in the main body around a central axis of the tubular section with respect to another portion. The cable is coupled to a light source.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: January 17, 2023
    Assignee: SONY CORPORATION
    Inventors: Jun Arai, Yohei Kuroda, Masaru Usui, Tetsuharu Fukushima, Daisuke Nagao