Patents by Inventor Ichiro Munakata
Ichiro Munakata 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: 11933857Abstract: Provided is a battery residual value determination system capable of easily and accurately determining the residual value of a battery. The battery residual value determination system includes: a battery information reception unit that receives information on the voltage, the current, the temperature, and the period of time elapsed from the time of manufacture of a battery; a first residual value determination unit that determines a first residual value indicating the SOH of the battery; an attenuation function determination unit that determines an attenuation function which indicates a time-dependent change of the SOH specific to the battery and is used for correcting the first residual value of the battery; and a second residual value output unit that determines and outputs a second residual value obtained by correcting the first residual value by using the attenuation function according to the period of time elapsed from the time of manufacture of the battery.Type: GrantFiled: January 29, 2020Date of Patent: March 19, 2024Assignee: TOYO SYSTEM CO., LTD.Inventors: Ichiro Munakata, Toshiaki Kanari, Masahiro Shoji, Katsunari Matsumoto, Ryo Ishigami, Takanori Anrui, Misaki Shimoyamada, Hideki Shoji
-
Publication number: 20240027535Abstract: A device is capable of evaluating the degree of deterioration of a secondary battery by executing regression analysis processing using, as a target variable, the degree of deterioration of the secondary battery. Multiple regression analysis is executed by using, as explanatory variables, respective values of plural model parameters that define a secondary battery model based on a measurement result of complex impedance of each reference secondary battery, and a degree of deterioration evaluated according to the secondary battery model as a target variable. Then, a degree of deterioration of a target secondary battery is evaluated according to a multiple regression equation obtained as a result of the multiple regression analysis.Type: ApplicationFiled: March 1, 2022Publication date: January 25, 2024Applicant: TOYO SYSTEM CO., LTD.Inventors: Ichiro MUNAKATA, Shuntaro IGARI, Satoshi TANNO, Hideki SHOJI
-
Patent number: 11774511Abstract: Provided is a device or the like that can improve the accuracy of battery performance evaluation of a rechargeable battery. Parameter values of a rechargeable battery model are identified on the basis of a measurement result of a complex impedance Z of a first rechargeable battery 221. The rechargeable battery model expresses an impedance of an internal resistance of the first rechargeable battery 221 with transfer functions representing IIR and FIR systems, respectively. Performance of a second rechargeable battery 222 is evaluated on the basis of a result of contrast between a voltage response characteristic V(t) that is output from a rechargeable battery 220 as the second rechargeable battery 222 when an impulse current I(t) is input to the second rechargeable battery 222, and a model voltage response characteristic Vmodel(t) when the impulse current is input to the rechargeable battery model having the parameter values identified.Type: GrantFiled: December 16, 2020Date of Patent: October 3, 2023Assignee: TOYO SYSTEM CO., LTD.Inventors: Ichiro Munakata, Shuntaro Igari, Hideki Shoji
-
Patent number: 11630160Abstract: The battery residual value display device includes: a battery information receiving module; an attenuation function determining module; a second residual value determining module; a graph output module configured to output a graph of which one axis indicates residual values of a battery and another axis indicates information on an elapsed time from a time of manufacture of the battery; and a display unit. The graph output module is configured to output: in the graph, a display indicating a first residual value; a display indicating boundaries between a plurality of residual value ranks obtained by dividing the residual values in accordance with a level of a second residual value; and a display indicating boundaries between a plurality of groups, indicating types of applications in which the battery can be used, obtained by dividing the plurality of residual value ranks in accordance with the level of the second residual value.Type: GrantFiled: January 29, 2020Date of Patent: April 18, 2023Assignee: TOYO SYSTEM CO., LTD.Inventors: Ichiro Munakata, Toshiaki Kanari, Masahiro Shoji, Katsunari Matsumoto, Ryo Ishigami, Takanori Anrui, Misaki Shimoyamada, Hideki Shoji
-
Publication number: 20230034016Abstract: Provided is a secondary battery inspection device capable of improving inspection accuracy while simplifying the inspection of a secondary battery. Value of a model parameter of a secondary battery model is identitied based on a sampling period T. In the secondary battery model, impedance of internal resistance of a secondary battery 2(0) is expressed by an IIR transfer function and an FIR transfer function. When impulse current I(t) is input to a specified model as the secondary battery model the value of the model parameter of which is identified, a model output voltage as a voltage change form output from the specified model is estimated. The performance of the secondary battery 200 according to the sampling period T is evaluated based on the measurement result of the voltage of the secondary battery 200 when the impulse current I(t) flows into the secondary battery 200, and the specified model output voltage.Type: ApplicationFiled: March 19, 2021Publication date: February 2, 2023Inventors: Ichiro Munakata, Satoshi Tanno, Hideki Shoji
-
Publication number: 20220404425Abstract: Provided is a secondary battery state output system capable of outputting the deterioration state of a secondary battery including a content satisfactory to a user in a timely manner. A state output system of the present invention is a system for outputting the deterioration suite of the secondary battery mounted on a user device used by the user, and includes an output unit which, when the most recent deterioration state of the secondary battery is determined to be deviating from a tendency, determines a detailed deterioration state indicative of a detailed deterioration state of the secondary battery based on information indicative of how the secondary battery had been used by the most recent time point, and outputs the most recent deterioration state and the detailed deterioration state.Type: ApplicationFiled: December 3, 2020Publication date: December 22, 2022Inventors: Ichiro Munakata, Hideki Shoji
-
Publication number: 20220404427Abstract: There is provided a device or the like capable of improving the convenience of reproduction under various conditions of the characteristics of a secondary battery by using a simulated battery. Based on the communication between the electronics and/or the charger coupled to the electronics, and the simulated battery control device, the operation of the simulated battery mounted on the electronics is controlled, and the voltage corresponding to the current command value is applied to the specified load. Then, the operating characteristic information corresponding to the operating characteristic of the specified load corresponding to the applied voltage is output to the output interface of the electronics. The operating characteristics of the specified load can be grasped when voltage corresponding to the current command value is applied to the specified load of the electronics, and therefore the convenience of the user of the electronics can be improved.Type: ApplicationFiled: January 5, 2021Publication date: December 22, 2022Inventors: Ichiro Munakata, Hideki Shoji
-
Publication number: 20220358551Abstract: Provided is a battery recycling support system capable of determining an application of a battery and efficiently supporting reuse of the battery. The battery recycle support system includes: a recognition unit configured to recognize a degradation state of a battery; a storage unit configured to store application information indicating an application of the battery according to the degradation state of the battery, a determination unit configured to determine the application of the battery, based on the degradation state of the battery and the application information; and an output unit configured to output a determination result of the determination unit.Type: ApplicationFiled: January 31, 2020Publication date: November 10, 2022Inventors: Ichiro Munakata, Satoshi Tanno, Noboru Ebisawa, Hideki Shoji
-
Publication number: 20220352566Abstract: The battery residual value display device includes: a battery information receiving module; an attenuation function determining module; a second residual value determining module; a graph output module configured to output a graph of which one axis indicates residual values of a battery and another axis indicates information on an elapsed time from a time of manufacture of the battery; and a display unit. The graph output module is configured to output: in the graph, a display indicating a first residual value; a display indicating boundaries between a plurality of residual value ranks obtained by dividing the residual values in accordance with a level of a second residual value; and a display indicating boundaries between a plurality of groups, indicating types of applications in which the battery can be used, obtained by dividing the plurality of residual value ranks in accordance with the level of the second residual value.Type: ApplicationFiled: January 29, 2020Publication date: November 3, 2022Inventors: Ichiro Munakata, Toshiaki Kanari, Masahiro Shoji, Katsunari Matsumoto, Ryo Ishigami, Takanori Anrui, Misaki Shimoyamada, Hideki Shoji
-
Publication number: 20220349944Abstract: Provided is a device and the like capable of increasing the convenience in performance evaluation of a secondary battery. A battery performance evaluation device 100 evaluates the performance of a secondary battery 240 installed in an electronic apparatus 200 based on mutual communication between the electronic apparatus 200 and/or a charger 400, to which the electronic apparatus 200 is connected, and the battery performance evaluation device 100. Then, battery performance information Info(D) corresponding to the evaluation result is output to an output interface 204 of the electronic apparatus 200. Thus, a user can ascertain the performance evaluation result of the secondary battery 240 without the need to take the electronic apparatus 200 or the secondary battery 240 in a specialized institution or the like, thereby increasing the convenience for the user of the electronic apparatus 200.Type: ApplicationFiled: January 5, 2021Publication date: November 3, 2022Inventors: Ichiro Munakata, Shuntaro Igari, Hideki Shoji
-
Publication number: 20220317193Abstract: Parameters P(n0,n1,n2) of a rechargeable battery model at each of different temperatures T(n1) at each of different degradation degrees D(n2) are determined. The values of the parameters P(n0,n1,n2) of the rechargeable battery model are identified based on a measurement result of a complex impedance Z of a rechargeable battery 220. The rechargeable battery model expresses an impedance of an internal resistance of the rechargeable battery 220 with transfer functions representing the IIR and FIR systems, respectively. Further, a voltage command value Vcmd(t) in the case where a current command value Icmd(t) is input to a rechargeable battery model corresponding to the identifier id(m0), temperature T(m1), and degradation degree D(m2) of the virtual rechargeable battery to be simulated by a simulation battery 20 is calculated, and a voltage V(t) according thereto is applied to the designated apparatus 200 or its load by the simulation battery 20.Type: ApplicationFiled: December 16, 2020Publication date: October 6, 2022Inventors: Ichiro Munakata, Hideki Shoji
-
Publication number: 20220317191Abstract: Provided is a device or the like that can improve the accuracy of battery performance evaluation of a rechargeable battery. Parameter values of a rechargeable battery model are identified on the basis of a measurement result of a complex impedance Z of a first rechargeable battery 221. The rechargeable battery model expresses an impedance of an internal resistance of the first rechargeable battery 221 with transfer functions representing IIR and FIR systems, respectively. Performance of a second rechargeable battery 222 is evaluated on the basis of a result of contrast between a voltage response characteristic V(t) that is output from a rechargeable battery 220 as the second rechargeable battery 222 when an impulse current I(t) is input to the second rechargeable battery 222, and a model voltage response characteristic Vmodel(t) when the impulse current is input to the rechargeable battery model having the parameter values identified.Type: ApplicationFiled: December 16, 2020Publication date: October 6, 2022Inventors: Ichiro Munakata, Shuntaro Igari, Hideki Shoji
-
Publication number: 20220163597Abstract: Provided is a battery residual value determination system capable of easily and accurately determining the residual value of a battery. The battery residual value determination system includes: a battery information reception unit that receives information on the voltage, the current, the temperature, and the period of time elapsed from the time of manufacture of a battery; a first residual value determination unit that determines a first residual value indicating the SOH of the battery; an attenuation function determination unit that determines an attenuation function which indicates a time-dependent change of the SOH specific to the battery and is used for correcting the first residual value of the battery; and a second residual value output unit that determines and outputs a second residual value obtained by correcting the first residual value by using the attenuation function according to the period of time elapsed from the time of manufacture of the battery.Type: ApplicationFiled: January 29, 2020Publication date: May 26, 2022Inventors: Ichiro Munakata, Toshiaki Kanari, Masahiro Shoji, Katsunari Matsumoto, Ryo Ishigami, Takanori Anrui, Misaki Shimoyamada, Hideki Shoji
-
Patent number: 11085971Abstract: A present measurement value p (k) of each of plural characteristic parameters p, representing the characteristics of a secondary battery 220, is input to initial characteristic model to calculate an initial characteristic estimated value p1 (0?k) of a first characteristic parameter as output of the initial characteristic model. A first index value F1 (i) representing the present state of the target is calculated based on a present time series P1 (i) of the measurement value p1 (k) of the first characteristic parameter. A second index value F2 (i) representing a past state of the target is calculated on the basis of a present time series P1 (0?k, i) of the initial characteristic estimated value p1 (0?k) of the first characteristic parameter. A degradation state of the target is determined based on the first index value F1 (i) and the second index value F2 (i).Type: GrantFiled: October 12, 2018Date of Patent: August 10, 2021Assignee: TOYO SYSTEM CO., LTD.Inventors: Ichiro Munakata, Hideki Shoji
-
Publication number: 20210028510Abstract: A present measurement value p (k) of each of plural characteristic parameters p, representing the characteristics of a secondary battery 220, is input to initial characteristic model to calculate an initial characteristic estimated value p1 (0?k) of a first characteristic parameter as output of the initial characteristic model. A first index value F1 (i) representing the present state of the target is calculated based on a present time series P1 (i) of the measurement value p1 (k) of the first characteristic parameter. A second index value F2 (i) representing a past state of the target is calculated on the basis of a present time series P1 (0?k, i) of the initial characteristic estimated value p1 (0?k) of the first characteristic parameter. A degradation state of the target is determined based on the first index value F1 (i) and the second index value F2 (i).Type: ApplicationFiled: October 12, 2018Publication date: January 28, 2021Inventors: Ichiro Munakata, Hideki Shoji
-
Patent number: 8224619Abstract: A gesture recognition apparatus includes: first and second one-dimensional sensor means for detecting movement corresponding to a motion of an object in a one-dimensional direction along one detection axis and outputting a signal corresponding to the detected movement; a normalization processing means for executing processing of normalization of first and second signals outputted from the first and second one-dimensional sensor means; a phase plane mapping processing means for forming a signal track corresponding to the first and second signals in time series by plotting coordinates on a phase plane using x- and y-coordinate values based on the normalized first and second signals; a correlation coefficient calculation means for calculating a correlation coefficient with respect to the first and second signals using coordinate values forming the signal track; and a motion determination means for determining whether the detected movement is a motion in the first or second direction based on the value of the corType: GrantFiled: February 1, 2010Date of Patent: July 17, 2012Assignee: Sony CorporationInventors: Yusuke Onishi, Ichiro Munakata
-
Patent number: 7853802Abstract: Disclosed herein is an information processing system including: a first information processing apparatus for transmitting a content including video and audio signals; and a second information processing apparatus for receiving the content. The first apparatus includes: a first key generator configured to generate a first key; a video encryptor configured to encrypt the video signal with the first key; an audio encryptor configured to encrypt the audio signal with the first key; and a transmitter configured to transmit the content including the encrypted video and audio signals. The second apparatus includes: a receiver configured to receive the content; a second key generator configured to generate a second key corresponding to the first key; a video decryptor configured to decrypt the encrypted video signal with the second key; and an audio decryptor configured to decrypt the encrypted audio signal with the second key.Type: GrantFiled: April 30, 2007Date of Patent: December 14, 2010Assignee: Sony CorporationInventors: Atsumu Soda, Takayuki Takeda, Ichiro Munakata
-
Publication number: 20100204953Abstract: A gesture recognition apparatus includes: first and second one-dimensional sensor means for detecting movement corresponding to a motion of an object in a one-dimensional direction along one detection axis and outputting a signal corresponding to the detected movement; a normalization processing means for executing processing of normalization of first and second signals outputted from the first and second one-dimensional sensor means; a phase plane mapping processing means for forming a signal track corresponding to the first and second signals in time series by plotting coordinates on a phase plane using x- and y-coordinate values based on the normalized first and second signals; a correlation coefficient calculation means for calculating a correlation coefficient with respect to the first and second signals using coordinate values forming the signal track; and a motion determination means for determining whether the detected movement is a motion in the first or second direction based on the value of the corType: ApplicationFiled: February 1, 2010Publication date: August 12, 2010Applicant: Sony CorporationInventors: Yusuke Onishi, Ichiro Munakata
-
Publication number: 20070286423Abstract: Disclosed herein is an information processing system including: a first information processing apparatus for transmitting a content including video and audio signals; and a second information processing apparatus for receiving the content. The first apparatus includes: a first key generator configured to generate a first key; a video encryptor configured to encrypt the video signal with the first key; an audio encryptor configured to encrypt the audio signal with the first key; and a transmitter configured to transmit the content including the encrypted video and audio signals. The second apparatus includes: a receiver configured to receive the content; a second key generator configured to generate a second key corresponding to the first key; a video decryptor configured to decrypt the encrypted video signal with the second key; and an audio decryptor configured to decrypt the encrypted audio signal with the second key.Type: ApplicationFiled: April 30, 2007Publication date: December 13, 2007Applicant: Sony CorporationInventors: Atsumu Soda, Takayuki Takeda, Ichiro Munakata
-
Publication number: 20070263867Abstract: Disclosed herein is an information processing system including: a first information processing apparatus for transmitting an audio signal in accordance with SMPTE 299M using HD-SDI standardized in SMPTE 292M; and a second information processing apparatus for receiving the signal. The first apparatus includes: a first key generator; an audio encryptor configured to perform an encryption process; an encryption On/Off decider configured to decide which part of the signal is to be encrypted and which part is not, and accordingly control the encryption process; and a transmitter configured to transmit the encrypted signal. The second apparatus includes: a receiver configured to receive the encrypted signal; a second key generator; an audio decryptor configured to perform a decryption process; and an encryption On/Off determiner configured to determine which part of the encrypted signal has been encrypted and which part has not, and accordingly control the decryption process.Type: ApplicationFiled: April 23, 2007Publication date: November 15, 2007Applicant: Sony CorporationInventors: Atsumu Soda, Takayuki Takeda, Ichiro Munakata