Patents by Inventor Yoshinobu Tokuno
Yoshinobu Tokuno 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).
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Patent number: 10605757Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltage to the respective electrodes, and a driving power terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction, and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: GrantFiled: December 5, 2017Date of Patent: March 31, 2020Assignee: PHC HOLDINGS CORPORATIONInventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno
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Publication number: 20180095047Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltage to the respective electrodes, and a driving power terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction, and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: ApplicationFiled: December 5, 2017Publication date: April 5, 2018Applicant: Panasonic Healthcare Holdings Co., Ltd.Inventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno
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Publication number: 20180074007Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating beard and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltage to the respective electrodes via the connecting terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction, and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: ApplicationFiled: September 15, 2017Publication date: March 15, 2018Applicant: Panasonic Healthcare Holdings Co., Ltd.Inventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno
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Patent number: 9797858Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltages to the respective electrodes via the connecting terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: GrantFiled: January 29, 2014Date of Patent: October 24, 2017Assignee: Panasonic Healthcare Holdings Co., Ltd.Inventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno
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Patent number: 8741124Abstract: A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition.Type: GrantFiled: February 27, 2013Date of Patent: June 3, 2014Assignee: Panasonic CorporationInventors: Shoji Miyazaki, Hiroyuki Tokunaga, Masaki Fujiwara, Eriko Yamanishi, Yoshinobu Tokuno
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Publication number: 20140144791Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltages to the respective electrodes via the connecting terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: ApplicationFiled: January 29, 2014Publication date: May 29, 2014Applicant: Panasonic CorporationInventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno
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Patent number: 8668820Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltage to the respective electrodes via the connecting terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction, and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: GrantFiled: June 10, 2010Date of Patent: March 11, 2014Assignee: Panasonic CorporationInventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno
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Publication number: 20130306494Abstract: A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition.Type: ApplicationFiled: February 27, 2013Publication date: November 21, 2013Inventors: Shoji Miyazaki, Hiroyuki Tokunaga, Masaki Fujiwara, Eriko Yamanishi, Yoshinobu Tokuno
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Patent number: 8551017Abstract: A sensor and a lancet are integrated with each other. A thin strip-shaped sensor and a lancet are integrated so that the lancet moves in parallel, along a longitudinal direction of the sensor. A measuring device to which an integrated lancet and sensor is attached is provided with a function of driving the attached lancet.Type: GrantFiled: November 7, 2008Date of Patent: October 8, 2013Assignee: Panasonic CorporationInventors: Shinichi Kojima, Yoshinobu Tokuno
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Patent number: 8480867Abstract: Apparatus are disclosed for measuring substrate content present in a specimen that is applied to a biosensor, where the apparatus include an input for receiving an electrical signal from the biosensor; and a circuit coupled to the input to detect the electrical signal to determine whether an amount of the specimen needed for specimen detection has been supplied to the biosensor; where the apparatus measures the substrate content included in the specimen when the circuit determines that an amount of the specimen needed for specimen detection has been supplied to the biosensor, and the apparatus is prevented from measuring the substrate content included in the specimen when the circuit determines that the specimen has not been sufficiently supplied to the biosensor.Type: GrantFiled: July 15, 2011Date of Patent: July 9, 2013Assignee: Panasonic CorporationInventors: Shoji Miyazaki, Masaki Fujiwara, Yoshinobu Tokuno
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Patent number: 8475646Abstract: Methods are disclosed for measuring substrate content in a specimen using a biosensor that includes two pairs of electrodes in a specimen supply path, where the methods include the steps of: (a) a first detecting step for detecting an electrical change in the first pair of electrodes; (b) a second detecting step for detecting an electrical change in the second pair of electrodes after the first detecting step; (c) a judging step for judging a shortage of specimen amount that is needed for measurement, when an electrical change is not detected in the second detecting step within a prescribed period of time after the first detecting step; (d) an indicating step for indicating a shortage of the specimen amount; and (e) a stopping step for stopping measurement of substrate content in the specimen once the shortage of specimen amount is indicated in the indicating step.Type: GrantFiled: July 15, 2011Date of Patent: July 2, 2013Assignee: Panasonic CorporationInventors: Shoji Miyazaki, Masaki Fujiwara, Yoshinobu Tokuno
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Patent number: 8470162Abstract: Quantifying devices and methods are disclosed for quantifying substrate content using a biosensor where the methods include a first detecting step for detecting an electrical change generated between a measuring electrode and a counter electrode of a biosensor by applying a sample liquid to the biosensor; a second detecting step for detecting an electrical change generated between a detecting electrode of the biosensor and the counter electrode or the measuring electrode by applying the sample liquid to the biosensor; and a notification step for informing a user when the second detecting step does not occur within a predetermined period after the first detecting step.Type: GrantFiled: January 20, 2011Date of Patent: June 25, 2013Assignee: Panasonic CorporationInventors: Shoji Miyazaki, Masaki Fujiwara, Yoshinobu Tokuno
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Publication number: 20130020208Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltage to the respective electrodes via the connecting terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction, and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: ApplicationFiled: September 11, 2012Publication date: January 24, 2013Inventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno, Kazuhiro Matsumoto, Yasuhiko Sawada
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Patent number: 8349157Abstract: A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition.Type: GrantFiled: June 7, 2012Date of Patent: January 8, 2013Assignee: Panasonic CorporationInventors: Shoji Miyazaki, Hiroyuki Tokunaga, Masaki Fujiwara, Eriko Yamanishi, Yoshinobu Tokuno
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Patent number: 8298400Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltage to the respective electrodes via the connecting terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction, and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: GrantFiled: June 22, 2010Date of Patent: October 30, 2012Assignee: Panasonic CorporationInventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno
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Publication number: 20120251708Abstract: A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition.Type: ApplicationFiled: June 7, 2012Publication date: October 4, 2012Inventors: Shoji Miyazaki, Hiroyuki Tokunaga, Masaki Fujiwara, Eriko Yamanishi, Yoshinobu Tokuno
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Patent number: 8235914Abstract: A sensor and a lancet are integrated with each other. A thin strip-shaped sensor and a lancet are integrated so that the lancet moves in parallel, along a longitudinal direction of the sensor. A measuring device to which an integrated lancet and sensor is attached is provided with a function of driving the attached lancet.Type: GrantFiled: November 7, 2008Date of Patent: August 7, 2012Assignee: Panasonic CorporationInventors: Shinichi Kojima, Yoshinobu Tokuno
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Patent number: 8142629Abstract: A biosensor according to the present invention comprises a support 1, a conductive layer 2 composed of an electrical conductive material such as noble metal, for example gold, palladium or the like, and carbon, slits 3a and 3b parallel to the side of the support 1, slits 4a and 4b vertical to the side of the support 1, a working electrode 5, a counter electrode 6, a detecting electrode 7, a spacer 8 which covers the working electrode 5, the counter electrode 6 and the detecting electrode 7 on the support 1, a rectangular cutout part 9 forming a specimen supply path, an inlet 9a of the specimen supply path, a reagent layer 12 formed by applying a reagent including an enzyme or the like to the working electrode 5, the counter electrode 6 and the detecting electrode 7, which is exposed from the cutout part 9 of the spacer 8, and a cover 13 which covers the spacer 8, as shown in FIG. 1.Type: GrantFiled: June 9, 2010Date of Patent: March 27, 2012Assignee: Panasonic CorporationInventors: Shoji Miyazaki, Hiroyuki Tokunaga, Masaki Fujiwara, Eriko Yamanishi, Yoshinobu Tokuno
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Publication number: 20120043227Abstract: A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltage to the respective electrodes via the connecting terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction, and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply.Type: ApplicationFiled: October 25, 2011Publication date: February 23, 2012Inventors: Shoji Miyazaki, Hiroyuki Tokunaga, Yoshinobu Tokuno, Kazuhiro Matsumoto, Yasuhiko Sawada
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Patent number: 8118756Abstract: A sensor and a lancet are integrated with each other. A thin strip-shaped sensor and a lancet are integrated so that the lancet moves in parallel, along a longitudinal direction of the sensor. A measuring device to which an integrated lancet and sensor is attached is provided with a function of driving the attached lancet.Type: GrantFiled: October 25, 2010Date of Patent: February 21, 2012Assignee: Panasonic CorporationInventors: Shinichi Kojima, Yoshinobu Tokuno