Patents by Inventor Jun Ozawa

Jun Ozawa 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: 9541496
    Abstract: A freshness estimation method includes obtaining an absorbance spectrum that is obtained by irradiating an eye of a fish with light having all or part of a wavelength band from 315 nm to 450 nm; and estimating freshness of the fish by using a shape of the obtained absorbance spectrum.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: January 10, 2017
    Assignee: Panasonic Corporation
    Inventors: Yumi Wakita, Jun Ozawa, Naoshi Kondo, Yuuichi Ogawa, Tetsuhito Suzuki
  • Publication number: 20160381369
    Abstract: An image capturing system includes a photoelectric conversion unit, a charge holding unit, a multiple sampling information setting unit, a multiple sampling unit, a conversion unit, and an image reconstruction unit. The photoelectric conversion unit converts optical signals received by a plurality of pixels to electric signals. The charge holding unit stores the electric signals and holds the electric signals as charge signals. The multiple sampling information setting unit sets multiple sampling information used for a multiple sampling process. The multiple sampling information includes first multiple sampling information and second multiple sampling information. The multiple sampling unit performs the multiple sampling process using the multiple sampling information and the charge signals so as to output signals. The conversion unit converts the output signals to digital signals.
    Type: Application
    Filed: September 7, 2016
    Publication date: December 29, 2016
    Inventors: Satoshi SATO, Takeo AZUMA, Jun OZAWA
  • Publication number: 20160344934
    Abstract: An image display device includes: an eyeball angular velocity calculation unit that calculates an eyeball angular velocity of a viewer viewing an object by an equation: eyeball angular velocity=(2 arctan(s/2d))/t, using a movement distance moved by the object included in a moving image between two sequential frames on a screen, a time interval between the two sequential frames, and a viewing distance, a distance between the viewer and the screen; a determination unit that determines whether the calculated eyeball angular velocity is not less than a lower limit of an eyeball angular velocity in a saccadic eye movement; an image processor that (a) stops the moving image or replaces the moving image with a single color image when it is determined that the calculated eyeball angular velocity is not less than the lower limit, (b) does not stop the moving image and does not replace the moving image with the single color image when it is determined that the eyeball angular velocity is less than the lower limit.
    Type: Application
    Filed: November 25, 2015
    Publication date: November 24, 2016
    Inventors: YUMIKO KATO, JUN OZAWA
  • Patent number: 9492920
    Abstract: A master motion information obtaining unit obtains at least one or more pieces of master motion information including a position, a posture, a speed, and an angular velocity of a master arm mechanism. A physical information obtaining unit obtains physical information of an operator including an arm weight of the operator. A master motion information correcting unit generates corrected master motion information where an amount of correction of the master motion information is corrected such that heavier the arm weight of the operator included in the physical information, larger a movement of a slave arm. A slave controller controls a slave arm mechanism, according to the corrected master motion information.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: November 15, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yudai Fudaba, Yuko Tsusaka, Jun Ozawa
  • Patent number: 9488631
    Abstract: A method of determining preservation environment information includes irradiating left and right eyes of a fish with ultraviolet rays, taking ultraviolet images of the fish eyes by one or more ultraviolet cameras, analyzing the ultraviolet images by a computer, determining preservation environment of the fish based on luminance of each of iris portions in the left and right fish eyes, and outputting information representing a determination result to a display.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: November 8, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yumi Wakita, Jun Ozawa
  • Patent number: 9486156
    Abstract: An eye fatigue determination apparatus includes: an electrooculogram obtainment unit that obtains an electrooculogram indicating a potential measured using an electrode placed near an eye of a viewer who is viewing video content, the electrooculogram being measured in a plurality of predetermined time sections during display of the video content; an impedance obtainment unit that obtains an impedance between the electrode and the viewer's skin at a position where the electrode is placed, the impedance being measured in the plurality of predetermined time sections; an electrooculogram correction unit that corrects the electrooculogram measured in the plurality of predetermined time sections and obtained by the electrooculogram obtainment unit, based on the impedance measured in the plurality of predetermined time sections and obtained by the impedance obtainment unit; and a fatigue determination unit that determines fatigue of the viewer's eye, based on the electrooculogram corrected by the electrooculogram co
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: November 8, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yumiko Kato, Jun Ozawa, Tsuyoshi Inoue
  • Patent number: 9479880
    Abstract: In a speech discrimination ability determination system, an MMN determination section acquires, with respect to each of the first and second speech sounds, difference information between the event-related potential acquired during its output with the first occurrence frequency and the event-related potential acquired during its output with the second occurrence frequency, and determines whether a negative component exists in the difference information in predetermined time ranges after the first and second speech sounds are output. When the determination result indicates that the negative component exists, a discrimination ability determination section determines that the user discriminates the first and second speech sounds.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: October 25, 2016
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinobu Adachi, Yumiko Kato, Jun Ozawa
  • Patent number: 9479787
    Abstract: An image capturing system includes a photoelectric conversion unit, a charge holding unit, a multiple sampling information setting unit, a multiple sampling unit, a conversion unit, and an image reconstruction unit. The photoelectric conversion unit converts optical signals received by a plurality of pixels to electric signals. The charge holding unit stores the electric signals and holds the electric signals as charge signals. The multiple sampling information setting unit sets multiple sampling information used for a multiple sampling process. The multiple sampling information includes first multiple sampling information and second multiple sampling information. The multiple sampling unit performs the multiple sampling process using the multiple sampling information and the charge signals so as to output signals. The conversion unit converts the output signals to digital signals.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: October 25, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Sato, Takeo Azuma, Jun Ozawa
  • Patent number: 9459221
    Abstract: An exemplary electronic device is in a housing to be gripped by both hands, and measures the potentials of first and second fingers of respectively different hands. The device includes: a first electrode group provided in a position to come in contact with the first finger, including a first main electrode and at least one first auxiliary electrode provided in a position away from the first main electrode; a second electrode group provided in a position to come in contact with the second finger, including a second main electrode and at least one second auxiliary electrode provided in a position away from the second main electrode; a biological signal processor for, from potential values measured at the first and second electrode groups, determining respective contact states concerning the first and second fingers; and a transmission circuit for presenting information concerning a finger contact state based on a result of determination.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: October 4, 2016
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Akinori Matsumoto, Koji Morikawa, Jeffry Bonar Fernando, Katsuyoshi Yamagami, Jun Ozawa
  • Patent number: 9439013
    Abstract: An exemplary uncomfortable sound pressure evaluation system consecutively presents sound stimulation groups to a user. Each sound stimulation group includes a sound stimulation, and the sound stimulation groups differ in frequency from one another. The system includes: an extraction section configured to extract, for each sound stimulation group, information concerning event-related potential relating to the sound stimulation; an estimation section configured to estimate an uncomfortable sound pressure (UCL) of the user from the information concerning event-related potential; and a correction section configured to determine whether the estimated UCL is higher than a predefined maximum UCL or not, and if a proportion of those determination results which indicate the UCL to be higher than the maximum UCL is smaller than predetermined, correcting each UCL determined as higher than the maximum UCL to a sound pressure equal to or less than the maximum UCL.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: September 6, 2016
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinobu Adachi, Jun Ozawa
  • Patent number: 9439003
    Abstract: An exemplary uncomfortable sound pressure estimation system includes an HTL section for receiving information of hearing threshold levels respectively for a plurality of frequencies; a UCL measurement determination section for determining at least two measurement points at which to measure uncomfortable sound pressures, the at least two measurement points defining a first and a second frequency concerning a first and a second hearing threshold level; a UCL measurement section for measuring uncomfortable sound pressures with respect to the at least two measurement points; a calculation section for calculating a criterion concerning auditory characteristics by using the respective hearing threshold levels and uncomfortable sound pressures for the at least two points; and a UCL estimation section for estimating an uncomfortable sound pressure at a frequency corresponding to a given acquired hearing threshold level, according to the predetermined criterion.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: September 6, 2016
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinobu Adachi, Jun Ozawa
  • Patent number: 9434074
    Abstract: In a running control method of a running apparatus, person moving direction and speed are estimated based on a person position history for predetermined time. It is decided whether contact with a person is likely to be made based on the estimation and running information about the running apparatus. When it is decided that the contact is likely to be made, a first route where the running apparatus avoids the person is generated for controlling running of the running apparatus therealong. It is decided whether the person has the intention to contact with the running apparatus based on the decision in the contact possibility deciding unit after the running along the first route. When it is decided that the person has the contact intention, a second route where the running apparatus approaches the person is generated for controlling the running of the running apparatus therealong.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: September 6, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toru Tanigawa, Jun Ozawa, Yumi Wakita, Katsuyoshi Yamagami, Eiichi Naito
  • Patent number: 9395709
    Abstract: Provided is a utilization-time changing support device including: a household-electrical-appliance power record storage unit storing records of power consumption for each household electrical appliance used in a living space; a power record writing unit receiving information indicating the power consumption of the household electrical appliance from a measuring device that measures the power consumption, and writing, into the household-electrical-appliance power record storage unit, a record of the information as one of the records of the power consumption; a regular use determining unit determining whether or not the household electrical appliance used during a predetermined period is regularly used, based on the records of the power consumption; and a period change possibility determining unit outputting (i) whether or not a utilization period of the household electrical appliance can be changed and (ii) another utilization period as a result of the determination, based on the records of the power consumpti
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: July 19, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Jun Ozawa, Tsuyoshi Inoue
  • Publication number: 20160198971
    Abstract: A determination system includes a head electrode that is located on a left head portion of a user when an intention of the user to move a portion on a right side of a body of the user is detected and that is located on a right head portion of the user when an intention of the user to move a portion on a left side of the body of the user is detected; an ear hole electrode that is located in an ear hole of the user; an electroencephalogram signal measurer that obtains a voltage between the head electrode and the ear hole electrode; and a determiner that determines whether or not a change in the voltage includes the intention to move the portion on the right side of the body or the intention to move the portion on the left side of the body.
    Type: Application
    Filed: December 10, 2015
    Publication date: July 14, 2016
    Inventors: SHINOBU ADACHI, JUN OZAWA
  • Publication number: 20160199203
    Abstract: A determination system includes a mastoid electrode that is located on a left mastoid of a user when an intention of the user to move a portion on a right side of a body of the user is detected and that is located on a right mastoid of the user when an intention of the user to move a portion on a left side of the body of the user is detected; an ear hole electrode that is located in an ear hole of the user; an electroencephalogram signal measurer that obtains a voltage between the mastoid electrode and the ear hole electrode; and a determiner that determines whether or not a change in the voltage includes the intention to move the portion on the right side of the body or the intention to move the portion on the left side of the body.
    Type: Application
    Filed: December 11, 2015
    Publication date: July 14, 2016
    Inventors: SHINOBU ADACHI, JUN OZAWA
  • Patent number: 9386292
    Abstract: A stereoscopic video processing apparatus includes: a switch operation detection unit which detects a switch operation, made by a user, that is an operation to select a channel of a three-dimensional (3D) video or an operation for a fast-forward playback, a rewind playback, skipping, or locating a cue point of a 3D video; a frequency determination unit which determines a detection frequency indicating the number of switch operations per unit of time detected by the switch operation detection unit; and a video processing unit which performs processing to reduce a difference in depth between 3D videos before and after switching of the 3D videos when the detection frequency per unit of time determined by the frequency determination unit is higher than or equal to a predetermined frequency.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: July 5, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yumiko Kato, Tsuyoshi Inoue, Jun Ozawa
  • Patent number: 9381064
    Abstract: Upon insertion of an insertion member into a living body vessel by an operator, a force individually applied to the living body vessel by the insertion member is measured by a force measuring unit, and based upon the force measured by the force measuring unit, information to be presented to an experiencing person is determined by a determination unit so that based upon the determined information, the corresponding force is presented to the experiencing person by a force presentation unit.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: July 5, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuko Tsusaka, Mikiya Nakata, Yudai Fudaba, Jun Ozawa
  • Patent number: 9374574
    Abstract: A three-dimensional (3D) video display apparatus includes: a viewing action detecting unit which detects whether or not a viewing state of a user who views a plurality of 3D video display screens with a viewing target being changed between the 3D video display screens has changed a predetermined number of times or more in a predetermined time period; and a control unit which restricts user's viewing action of viewing a 3D video image displayed by an image display unit when the viewing action detecting unit detects that the viewing state of the user has changed the predetermined number of times or more in the predetermined time period.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: June 21, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yumiko Kato, Jun Ozawa, Tsuyoshi Inoue
  • Patent number: 9332357
    Abstract: An exemplary uncomfortable sound pressure estimation system includes: a sound stimulation scheduling section configured to determine points in time of outputting a group of sound stimulations so that times of measurement for event-related potentials in response to the second sound and third sound arrive after a predetermined noise-lingering time has elapsed since a next point of occurrence of periodic noise; an event-related potential characteristic amount extraction section configured to receive the points in time of outputting the sound stimulation group, and extract a characteristic amount of an event-related potential of the electroencephalogram signal based on each point of outputting the group of sound stimulations as a starting point; and an uncomfortable sound pressure determination section configured to determine an uncomfortable sound pressure for the frequency of the sound stimulation group.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: May 3, 2016
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinobu Adachi, Jun Ozawa
  • Patent number: 9316595
    Abstract: In a method for outputting freshness information used by a freshness information output apparatus, ultraviolet light is radiated onto an eye of a fish, an ultraviolet image of the eye of the fish is captured using an ultraviolet camera, a computer analyzes the ultraviolet image to determine freshness of a fish on the basis of luminance of an iris portion of the eye of the fish, and freshness information indicating the freshness of the fish is output to a display.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: April 19, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yumi Wakita, Jun Ozawa, Naoshi Kondo, Yuuichi Ogawa, Tetsuhito Suzuki