Patents by Inventor Atsushi Oda
Atsushi Oda 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: 20240146413Abstract: An object of the present invention is to provide a Brillouin gain spectrum distribution measuring method and apparatus capable of measuring a BGS, having a line width narrower than usual, in a distributed manner in the longitudinal direction of an optical fiber under test. This measuring apparatus prepares pump light in which a pulse is added to continuous light and probe light of continuous light in which a frequency is shifted from the pump light, makes the probe light incident on one end of the FUT and the pump light incident on the other end, and obtains a time waveform of a component amplified by the pump light pulse of a probe light intensity amplified by the pump light. This measuring apparatus changes an optical frequency difference between the pump light and the probe light, and obtains a time waveform for each optical frequency difference. This measuring apparatus obtains a BGS distribution of the FUT from these time waveforms.Type: ApplicationFiled: January 26, 2021Publication date: May 2, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Tomokazu ODA, Daisuke IIDA, Atsushi NAKAMURA, Yusuke KOSHIKIYA, Nazuki HONDA
-
Publication number: 20240146045Abstract: Provided is an electrical connection box with a simple configuration that can prevent liquid from running into a housing. An electrical connection box for a vehicle provided with a case member for installing a first fuse includes a removal port formed at a front surface of the case member, the removal port enabling the first fuse to be installed and removed; and a groove formed around the removal port, the groove guiding liquid running down the front surface away from the removal port.Type: ApplicationFiled: February 9, 2022Publication date: May 2, 2024Inventors: Atsushi KURODA, Akihiro ODA, Yuya MATSUO
-
Publication number: 20240128349Abstract: Provided is a semiconductor device including: a drift region of a first conductivity type provided in a semiconductor substrate; a collector region of a second conductivity type provided on a back surface of the semiconductor substrate; a cathode region of the first conductivity type provided on the back surface of the semiconductor substrate and having a higher doping concentration than the drift region; a plurality of trench portions provided on a front surface of the semiconductor substrate; and a lifetime control portion provided in the semiconductor substrate and containing a lifetime killer, in which the lifetime control portion includes: a main region provided in a diode portion; and a decay region provided to extend from the main region in a direction parallel to the front surface of the semiconductor substrate and having a lifetime killer concentration that has decayed more than a lifetime killer concentration of the main region.Type: ApplicationFiled: August 22, 2023Publication date: April 18, 2024Inventors: Atsushi ONOGAWA, Kaname MITSUZUKA, Yuuki ODA, Tohru SHIRAKAWA
-
Publication number: 20240105935Abstract: Provided are a cathode active material having a suitable particle size and high uniformity, and a nickel composite hydroxide as a precursor of the cathode active material. When obtaining nickel composite hydroxide by a crystallization reaction, nucleation is performed by controlling a nucleation aqueous solution that includes a metal compound, which includes nickel, and an ammonium ion donor so that the pH value at a standard solution temperature of 25° C. becomes 12.0 to 14.0, after which, particles are grown by controlling a particle growth aqueous solution that includes the formed nuclei so that the pH value at a standard solution temperature of 25° C. becomes 10.5 to 12.0, and so that the pH value is lower than the pH value during nucleation.Type: ApplicationFiled: November 30, 2023Publication date: March 28, 2024Applicant: SUMITOMO METAL MINING CO., LTD.Inventors: Atsushi FUKUI, Katsuya INOUE, Shuhei ODA, Hiroyuki TOYA
-
Patent number: 11938983Abstract: A train position estimation device which calculates the position of a vehicle traveling on a predetermined path and comprises a surroundings shape measurement unit that is installed in the vehicle and measures the shape of the surroundings of the current location of the vehicle and a map storage unit for storing surroundings shape data at positions measured in advance, the train position estimation device being characterized by comprising a start position estimation unit for storing the probability of presence of the vehicle at each position; a map retrieval section determination device for outputting surroundings shape data for each position in descending order of presence probability; and a matching processing device that compares the surroundings shape data for the current location with the retrieved surroundings shape data and outputs the position for which the difference therebetween is equal to or less than a predetermined threshold value.Type: GrantFiled: January 28, 2019Date of Patent: March 26, 2024Assignee: HITACHI, LTD.Inventors: Yuhi Tsutsumi, Atsushi Oda, Keiichi Katsuta, Kazuo Tokuyama
-
Publication number: 20240034371Abstract: A recording unit records an installation position of a ground installation object and an installation identifier of the ground installation object for each of a plurality of the ground installation objects installed beside a track on which a vehicle of a track transport system mounted with an external sensor travels; an installation object recognition unit specifies the installation identifier from external sensor information including information detected by the external sensor and recognizes the ground installation object corresponding to the installation identifier by referring to the recording unit; and a detection distance calculation unit calculates a detection distance of the external sensor. The detection distance calculation unit calculates the detection distance of the external sensor from a self-position of the vehicle at which the ground installation object is recognized and the installation position of the ground installation object recognized by the installation object recognition unit.Type: ApplicationFiled: September 18, 2020Publication date: February 1, 2024Inventors: Atsushi ODA, Keiichi KATSUTA
-
Publication number: 20230391385Abstract: An object of the invention is to reduce a calculation performance required for an obstacle detection device while maintaining an obstacle detection range in a wide range in an obstacle detection system where external sensor data mounted in a track transport system is used. Therefore, in the invention, an obstacle detection system includes: an external sensor configured to monitor surroundings of a train; and at least two or more obstacle detection processing units configured to perform obstacle detection processing for detecting an obstacle by using sensor data acquired by the external sensor, in which the obstacle detection processing is distributed to the two or more obstacle detection processing units according to sensor information of the sensor data.Type: ApplicationFiled: October 8, 2021Publication date: December 7, 2023Applicant: Hitachi, Ltd.Inventors: Atsushi ODA, Jun KOIKE, Keiichi KATSUTA
-
Patent number: 11654450Abstract: An application needle member capable of eliminating contamination while suppressing reduction in working efficiency is an application needle member capable of applying a liquid material to an object. The application needle member comprises an application needle and an application needle insertion material. The application needle includes a tip facing the object and a bottom opposite to the tip. The application needle insertion material is attached to the bottom of the application needle. The application needle insertion material is configured to be detachably attachable to a fixing member.Type: GrantFiled: August 21, 2019Date of Patent: May 23, 2023Assignee: NTN CORPORATIONInventor: Atsushi Oda
-
RUNNING PATTERN CREATION DEVICE AND DRIVING CONTROL METHOD THAT USES RUNNING PATTERN CREATION DEVICE
Publication number: 20230052777Abstract: A running pattern creation device includes: a coordinate system that is formed of a positional coordinate axis and a vehicle velocity axis; a stopping avoidance zone position holding unit 1 configured to hold positional information on a stopping avoidance zone of a vehicle 8; a vehicle condition holding unit 2 configured to hold at least information on respective accelerations at an acceleration time, a deceleration time and a coasting time with respect to specification of the vehicle 8; a braking pattern creation unit 3 configured to create a braking pattern that is a pattern for stopping the vehicle 8 at a position other than the stopping avoidance zone using the positional information and information on acceleration at the deceleration time; a coasting pattern creation unit 4 configured to create a coasting pattern that is a pattern for stopping the vehicle 8 at a position other than the stopping avoidance zone using the positional information and the information on acceleration at the coasting time; an obType: ApplicationFiled: August 31, 2020Publication date: February 16, 2023Applicant: HITACHI, LTD.Inventors: Yuhi TSUTSUMI, Keiji MAEKAWA, Atsushi ODA, Keiichi KATSUTA, Masaki TSUJI -
Publication number: 20220397387Abstract: An operation accuracy measuring method for measuring the operation accuracy of a linear motion mechanism includes the steps of placing on a support table a measuring jig having a flat lower surface, a parallel surface opposite and parallel to the lower surface, and a slanted surface joined to the parallel surface through a straight boundary line, adjusting the position of the measuring jig to allow the white light interferometer to observe the parallel surface and the slanted surface simultaneously, capturing images of the parallel surface and the slanted surface with the white light interferometer and observing changes in interference fringes appearing in image sections of the captured images that represent the parallel surface and the slanted surface while the support table is being linearly moved, and the step of deducing the operation accuracy of the linear motion mechanism on the basis of the observed changes in the interference fringes.Type: ApplicationFiled: June 2, 2022Publication date: December 15, 2022Inventors: Atsushi ODA, Yoshinobu SAITO, Hirohide YANO
-
Publication number: 20220371043Abstract: An application apparatus includes: an application needle that applies, to a target, an application material having its viscosity changing under shear; a drive unit that moves the application needle up and down; and a controller that controls the drive unit to move the application needle such that shear is applied to the application material at a shear speed depending on a type of the application material and depending on a target application amount or a target application diameter.Type: ApplicationFiled: September 4, 2020Publication date: November 24, 2022Inventors: Mitsuru AKASHI, Takami AKAGI, Atsushi ODA, Shohei CHIKAE, Haruka NAKAMURA
-
Publication number: 20220363298Abstract: External sensor data is efficiently recorded without changing a resolution or a sampling rate. In a data recording device, an acquired data property storing unit stores, as a data property, an external environment in which external sensor data is to be recorded, an external sensor data property recognizing unit recognizes, as a data property, the external environment corresponding to the external sensor data, a data recording necessity determining unit determines, based on the data property recognized by the external sensor data property recognizing unit and the data property stored in the acquired data property storing unit, whether the external sensor data is required to be recorded, and a data recording unit records the external sensor data when it is determined by the data recording necessity determining unit that the external sensor data is required to be recorded.Type: ApplicationFiled: September 4, 2020Publication date: November 17, 2022Inventors: Atsushi ODA, Kenji IMAMOTO, Takumi KUDO
-
Patent number: 11453422Abstract: The present invention is provided with: a sensing unit which is provided in a vehicle and measures the three-dimensional shape of an object; a matching unit for performing matching between multiple sets of structure information, in which are associated a data group indicating the three-dimensional shapes of structures provided beforehand near a path the vehicle will travel along and positional information indicating the posit ions of the structures, and a data group indicating the three-dimensional shape of the object measured by the sensing unit, and for specifying the position of the object; and an estimated position determination unit for determining, with the position specified by the matching unit as a reference position, the estimated position of the vehicle on the basis of the reference position.Type: GrantFiled: October 23, 2018Date of Patent: September 27, 2022Assignee: HITACHI, LTD.Inventors: Takayoshi Nishino, Yuhi Tsutsumi, Atsushi Oda, Kentaroh Maki, Takenori Wajima, Kazuo Tokuyama
-
Publication number: 20210299694Abstract: An application needle member capable of eliminating contamination while suppressing reduction in working efficiency is an application needle member capable of applying a liquid material to an object. The application needle member comprises an application needle and an application needle insertion material. The application needle includes a tip facing the object and a bottom opposite to the tip. The application needle insertion material is attached to the bottom of the application needle. The application needle insertion material is configured to be detachably attachable to a fixing member.Type: ApplicationFiled: August 21, 2019Publication date: September 30, 2021Inventor: Atsushi ODA
-
Publication number: 20210001902Abstract: A train position estimation device which calculates the position of a vehicle traveling on a predetermined path and comprises a surroundings shape measurement unit that is installed in the vehicle and measures the shape of the surroundings of the current location of the vehicle and a map storage unit for storing surroundings shape data at positions measured in advance, the train position estimation device being characterized by comprising a start position estimation unit for storing the probability of presence of the vehicle at each position; a map retrieval section determination device for outputting surroundings shape data for each position in descending order of presence probability; and a matching processing device that compares the surroundings shape data for the current location with the retrieved surroundings shape data and outputs the position for which the difference therebetween is equal to or less than a predetermined threshold value.Type: ApplicationFiled: January 28, 2019Publication date: January 7, 2021Inventors: Yuhi TSUTSUMI, Atsushi ODA, Keiichi KATSUTA, Kazuo TOKUYAMA
-
Publication number: 20200339171Abstract: The present invention is provided with: a sensing unit which is provided in a vehicle and measures the three-dimensional shape of an object; a matching unit for performing matching between multiple sets of structure information, in which are associated a data group indicating the three-dimensional shapes of structures provided beforehand near a path the vehicle will travel along and positional information indicating the posit ions of the structures, and a data group indicating the three-dimensional shape of the object measured by the sensing unit, and for specifying the position of the object; and an estimated position determination unit for determining, with the position specified by the matching unit as a reference position, the estimated position of the vehicle on the basis of the reference position.Type: ApplicationFiled: October 23, 2018Publication date: October 29, 2020Inventors: Takayoshi NISHINO, Yuhi TSUTSUMI, Atsushi ODA, Kentaroh MAKI, Takenori WAJIMA, Kazuo TOKUYAMA
-
Patent number: 9578220Abstract: An observation device (1) is provided with: a general observation unit (10) for observing sample cells by observing an entire container (C) containing the cells and a culture solution; and a magnification observation unit (20) for magnifying a region within the container (C) and observing the cells, the general observation unit (10) and the magnification observation unit (20) each individually having lighting for illuminating the cells with light, and an optical system for observing the cells. The general observation unit (10) and the magnification observation unit (20) are thereby each provided with an individual optical system and lighting, making it possible to configure an appropriate observation unit for use both when the cells are observed by observing the entire container (C) and when a part within the container (C) is magnified and the cells are observed.Type: GrantFiled: May 15, 2015Date of Patent: February 21, 2017Assignee: PANASONIC HEALTHCARE HOLDINGS CO., LTD.Inventors: Mikio Houjou, Atsushi Oda
-
Patent number: 9189677Abstract: A recording medium having an observation program recorded therein, the program may cause a computer to execute: an entire-image-pickup process of picking up an image of a sample by picking up an image of an entire container containing the sample and a solution; a sample-mass-identification process of identifying a sample mass having the samples gathering therein, from the image picked up in the entire image-pickup process; a sample-mass-determination process of extracting shape information of the identified sample mass, and determining a state of the sample mass based on the shape information; a coordinate-detection process of selecting a magnifying-observation-target sample mass from the identified sample masses, and detecting coordinates of the center of the magnifying-observation-target sample mass.Type: GrantFiled: December 28, 2012Date of Patent: November 17, 2015Assignee: PANASONIC HEALTHCARE HOLDINGS CO., LTD.Inventors: Atsushi Oda, Mikio Houjou
-
Publication number: 20150264235Abstract: An observation device (1) is provided with: a general observation unit (10) for observing sample cells by observing an entire container (C) containing the cells and a culture solution; and a magnification observation unit (20) for magnifying a region within the container (C) and observing the cells, the general observation unit (10) and the magnification observation unit (20) each individually having lighting for illuminating the cells with light, and an optical system for observing the cells. The general observation unit (10) and the magnification observation unit (20) are thereby each provided with an individual optical system and lighting, making it possible to configure an appropriate observation unit for use both when the cells are observed by observing the entire container (C) and when a part within the container (C) is magnified and the cells are observed.Type: ApplicationFiled: May 15, 2015Publication date: September 17, 2015Inventors: Mikio HOUJOU, Atsushi ODA
-
Patent number: 9060684Abstract: An observation device (1) is provided with: a general observation unit (10) for observing sample cells by observing an entire container (C) containing the cells and a culture solution; and a magnification observation unit (20) for magnifying a region within the container (C) and observing the cells, the general observation unit (10) and the magnification observation unit (20) each individually having lighting for illuminating the cells with light, and an optical system for observing the cells. The general observation unit (10) and the magnification observation unit (20) are thereby each provided with an individual optical system and lighting, making it possible to configure an appropriate observation unit for use both when the cells are observed by observing the entire container (C) and when a part within the container (C) is magnified and the cells are observed.Type: GrantFiled: August 30, 2011Date of Patent: June 23, 2015Assignee: PANASONIC HEALTHCARE HOLDINGS CO., LTD.Inventors: Mikio Houjou, Atsushi Oda