Patents Assigned to Arkray
  • Electrophoresis chip and electrophoresis unit having the same
    Patent number: 8257570
    Abstract: In order to provide a high-performance electrophoresis chip and an electrophoresis unit having the same that can restrain the diffusion of sample at an intersection between the electrophoresis groove and the sample introduction groove and prevent decrease in contrast and decrease in resolution, an electrophoresis chip is provided with a sample introduction groove, an electrophoresis groove, and a through hole. The sample introduction groove, the electrophoresis groove, and the through hole are formed on different substrates. In the electrophoresis chip, by combining the substrates, the sample introduction groove and the electrophoresis groove are located in different planes.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: September 4, 2012
    Assignee: ARKRAY, Inc.
    Inventors: Takayuki Taguchi, Shigeru Kitamura, Hiroshi Fukuya
  • Lancet and lancet device including the same
    Patent number: 8251919
    Abstract: In order to provide a lancet which has a simple structure and which can secure safety, in particular, after use, and a lancet device including the same, a lancet (20) includes a casing (22), and a puncture body (23) which is accommodated in the casing (22) so as to be movable in a puncturing direction. For removing the lancet (20) from a main body (30), the lancet (20) has a convex portion (22b) formed on an inner surface (22a) of the casing (22) and a recessed portion (groove (23c)) formed on the puncture body (23), which form fitting for holding the puncture body (23) so as to be immovable in the puncturing direction in the casing (22).
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: August 28, 2012
    Assignee: Arkray, Inc.
    Inventor: Masahiro Fukuzawa
  • Method for measuring substrate concentration and device for the same
    Patent number: 8252236
    Abstract: The present invention provides a method for measuring a substrate concentration by accumulating an energy resulting from a reaction between a biocatalyst and a substrate recognized by the biocatalyst to a certain level; and using a dependency of an accumulation rate on the substrate concentration as an index; and a apparatus therefor. In particular, the present invention provides a method in which the measurement of the accumulation rate is carried out by measuring a frequency of an energy release in a certain amount of time when the energy accumulated in the capacitor reaches the certain level and is then released.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: August 28, 2012
    Assignees: Bioengineering Laboratories, LLC, Arkray, Inc., Ultizyme International Ltd.
    Inventors: Wakako Tsugawa, Koji Sode
  • Analysis apparatus for capillary electrophoresis
    Patent number: 8252163
    Abstract: A capillary electrophoresis analysis apparatus is provided for analyzing samples by a capillary electrophoresis method that allows for rapid and highly accurate separation and detection.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: August 28, 2012
    Assignee: Arkray, Inc.
    Inventors: Koji Sugiyama, Yukio Higashiisokawa, Yusuke Nakayama
  • Terahertz Wave Characteristic Measurement Method, Material Detection Method, Measurement Instrument, Terahertz Wave Characteristic Measurement Device and Material Detection Device
    Publication number: 20120211659
    Abstract: A terahertz wave characteristic measurement method comprises irradiating terahertz waves at a region in which a thickness of a solution is in the range from 10 ?m to 100 ?m such that a propagation direction of the terahertz waves is in a thickness direction of the solution, the solution containing at least one type of target material to be measured, and measuring at least one of a spectral characteristic and an intensity at a particular frequency or a particular wavelength of the terahertz waves that are one of transmitted through the region and reflected from the region.
    Type: Application
    Filed: February 6, 2012
    Publication date: August 23, 2012
    Applicant: ARKRAY, Inc.
    Inventors: Shigeru Kitamura, Hirohisa Uchida
  • MEASURING APPARATUS AND MEASUREMENT METHOD
    Publication number: 20120215083
    Abstract: Disclosed is a measuring device for obtaining numerical information concerning a substance present in the interstitial subcutaneous fluid, the device being equipped with a sensor unit that outputs signals in accordance with the numerical information concerning the substance and an arithmetic unit (control unit) that receives the signals outputted from the sensor unit and arithmetically processes the signals. The sensor unit is equipped with a sensor, some of which is punctured into the skin. The arithmetic unit (control unit) has been disposed so as to be separate from the sensor unit.
    Type: Application
    Filed: September 13, 2010
    Publication date: August 23, 2012
    Applicant: ARKRAY, INC.
    Inventors: Tomohiro Shoshihara, Yasunori Shiraki, Koji Katsuki
  • Probe for Detecting Polymorphism in EGFR Gene and Use of the Probe
    Publication number: 20120214166
    Abstract: The present invention provides a polymorphism detection probe that can identify a polymorphism in an EGFR gene easily and with high reliability and a polymorphism detection method using the probe. The probe of the present invention is a probe for detecting a polymorphism in an EGFR gene, including at least one of an oligonucleotide (P1) and an oligonucleotide (P2), wherein: (P1) is a 22- to 50-mer oligonucleotide composed of a base sequence complementary to a base sequence including 334th to 355th bases in SEQ ID NO: 1 and having a base complementary to the 334th base in its 3? end region; and (P2) is an oligonucleotide composed of a base sequence complementary to the oligonucleotide (P1).
    Type: Application
    Filed: October 29, 2010
    Publication date: August 23, 2012
    Applicant: ARKRAY, INC.
    Inventor: Moeko Ijuin
  • TEST INSTRUMENT AND OPTICAL MEASUREMENT APPARATUS
    Publication number: 20120207653
    Abstract: It is an object to provide a test instrument and an optical measurement apparatus which enable easy matching of test results when tests by optical measurement are performed with respect to a large number of patients. To the above end, a test instrument B is provided, which includes reagent retaining portions 8A, 8B, 8C retaining a reagent which reacts with a sample to produce a color reaction. The test instrument B includes a patient information entry section 64 as an example of patient identifying information region in which patient identifying information is to be written.
    Type: Application
    Filed: April 25, 2012
    Publication date: August 16, 2012
    Applicant: ARKRAY, INC.
    Inventors: Takashi Nakagawa, Shinya Nakajima, Tokuo Kasai
  • Analyzing Device, Sensor Testing Device, Testing Method and Computer-Readable Storage Medium
    Publication number: 20120199496
    Abstract: There is provided a sensor testing method including: applying at least one of a first voltage that obtains a response caused by a substance and a second voltage that either obtains no response or substantially no response caused by the substance across a first electrode and a second electrode of a sensor; measuring current flowing between the first electrode and the second electrode; and determining whether or not there is a defect present in the sensor based on a quantity related to an amount of change per specific period of time of a current measured when the first voltage and/or the second voltage have been applied.
    Type: Application
    Filed: February 2, 2012
    Publication date: August 9, 2012
    Applicant: ARKRAY, Inc.
    Inventor: Shinjiro Sekimoto
  • Liquid Reagent of Thyroid Hormone-Immobilized Carrier and Use Thereof
    Publication number: 20120202230
    Abstract: A liquid reagent of a stabilized thyroid hormone-immobilized carrier, by which a thyroid hormone can be measured easily in a short time and at low cost, is provided. The liquid reagent of a thyroid hormone-immobilized carrier according to the present invention includes: a thyroid hormone-immobilized carrier; and a solvent, and a pH of the solvent containing the thyroid hormone-immobilized carrier is in a range from 8.7 to 11.5. The detection of a thyroid hormone using the liquid reagent of the present invention can be carried out by competitively binding a thyroid hormone in a sample and the thyroid hormone-immobilized carrier in the liquid reagent with an anti-thyroid hormone antibody and detecting a composite of the thyroid hormone-immobilized carrier and the anti-thyroid hormone antibody.
    Type: Application
    Filed: February 2, 2012
    Publication date: August 9, 2012
    Applicant: ARKRAY, Inc.
    Inventor: Naotsugu Onuma
  • METHOD FOR ADJUSTING AMPLIFICATION EFFICIENCY OF TARGET POLYNUCLEOTIDE
    Publication number: 20120202199
    Abstract: Disclosed is a method for adjusting the amplification efficiency of a target polynucleotide in the amplification of the target polynucleotide by PCR using primers (i) to (iii) below, the method comprising adjusting the amplification efficiency of the target polynucleotide by changing the quantity ratio of the primers (i) to (iii) below: (i) a first primer which is able to be base-paired with the target polynucleotide; (ii) a second primer which is able to be base-paired with the target polynucleotide in competition with the first primer and from which extension reaction by PCR less occurs as compared to the first primer; and (iii) a third primer designed to allow for the amplification of the target polynucleotide in pairs with the first primer.
    Type: Application
    Filed: April 30, 2011
    Publication date: August 9, 2012
    Applicant: ARKRAY, Inc.
    Inventor: Mariko KOMORI
  • ANALYSIS DEVICE
    Publication number: 20120196354
    Abstract: The analysis device includes a main body, an insertion slot into which a sensor piece is inserted in a manner such that the sensor piece sticks out from the main body in a measurement operation, and a pair of projections spaced apart from each other in a y-direction, with the insertion slot present between the projections. Each of the projections protrudes outwardly in an x-direction and has a height overlapping the insertion slot in a z-direction.
    Type: Application
    Filed: February 2, 2012
    Publication date: August 2, 2012
    Applicant: ARKRAY, INC.
    Inventor: Takashi Nakagawa
  • Carboxymethylarginine Production Inhibitor and Collagen Denaturation Inhibitor
    Publication number: 20120195989
    Abstract: The present invention provides a carboxymethylarginine production inhibitor for inhibiting the production of carboxymethylarginine and a collagen denaturation inhibitor for inhibiting the denaturation of collagen.
    Type: Application
    Filed: June 29, 2010
    Publication date: August 2, 2012
    Applicant: ARKRAY, Inc.
    Inventors: Masayuki Yagi, Katsumasa Iijima
  • Optical Crystal and Terahertz Wave Generation Device and Method
    Publication number: 20120193554
    Abstract: An optical crystal includes a first non-linear optical crystal that generates terahertz waves corresponding to a difference frequency component in incident light with two different wavelengths by a difference frequency generation, and a second non-linear optical crystal that generates terahertz waves corresponding to a difference frequency component in incident light with two different wavelengths by a difference frequency generation, the second non-linear optical crystal being different in material from the first non-linear optical crystal, and the first non-linear optical crystal and the second non-linear optical crystal being disposed in contact or close together.
    Type: Application
    Filed: January 20, 2012
    Publication date: August 2, 2012
    Applicant: ARKRAY, INC.
    Inventor: Hirohisa Uchida
  • Primer set for gene amplification, reagent for gene amplification including the same, and uses thereof
    Patent number: 8232051
    Abstract: Primer sets for amplifying two genes (the CYP2C9 gene and the VKORC1 gene) by a gene amplification method are provided, wherein the primer sets can amplify respective target regions of the two genes specifically and efficiently in the same reaction system simultaneously. Two pairs of primer sets are used including forward primers consisting of the base sequences of SEQ ID NOs: 5 and 29 as well as reverse primers consisting of the base sequences of SEQ ID NOs: 18 and 38, respectively. The use of these primer sets makes it possible to specifically amplify target regions including sites where polymorphisms to be detected are generated in the CYP2C9 gene and the VKORC1 gene, in the same reaction solution simultaneously.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: July 31, 2012
    Assignee: ARKRAY, Inc.
    Inventors: Mitsuharu Hirai, Satoshi Majima
  • ANALYSIS DEVICE, ANALYSIS PROGRAM, AND ANALYSIS METHOD
    Publication number: 20120185195
    Abstract: An analysis device comprises an identification data acquisition unit for acquiring an identifier of a mounted measurement device, a calibration unit for recording calibration data of the measurement device associated with the identifier of the measurement device to a recording device, and a computing unit that calculates a value indicating the information related to the measurement target component by using measurement data obtained by detection of the measurement target component by a detector and calibration data that has been recorded to the recording device associated with the identifier of the measurement device acquired by the identification data acquisition unit.
    Type: Application
    Filed: January 17, 2012
    Publication date: July 19, 2012
    Applicant: ARKRAY, INC.
    Inventors: Koji SUGIYAMA, Yasunori SHIRAKI
  • Electrophoresis chip and electrophoresis unit having the same
    Patent number: 8221606
    Abstract: In order to provide a high-performance electrophoresis chip and an electrophoresis unit having the same that can restrain the diffusion of sample at an intersection between the electrophoresis groove and the sample introduction groove and prevent decrease in contrast and decrease in resolution, an electrophoresis chip is provided with a sample introduction groove, an electrophoresis groove, and a through hole. The sample introduction groove, the electrophoresis groove, and the through hole are formed on different substrates. In the electrophoresis chip, by combining the substrates, the sample introduction groove and the electrophoresis groove are located in different planes.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: July 17, 2012
    Assignee: ARKRAY, Inc.
    Inventors: Takayuki Taguchi, Shigeru Kitamura, Hiroshi Fukuya
  • Blood sugar level control system
    Patent number: 8221346
    Abstract: The present invention relates to a blood sugar level control system equipped with an insulin dispensing device 2 and a blood sugar measuring device 3. An attachment mechanism 4 is provided which serves to couple the insulin dispensing device 2 and said blood sugar measuring device 3 in a relatively movable manner. Preferably, the attachment mechanism 4 is constructed so that the blood sugar measuring device 3 is movable or slidable with respect to the insulin dispensing device 2. A blood sugar level control system can be provided which includes a blood sugar measuring device and an insulin dispensing device without using an adapter. Accordingly, it is possible to avoid a cost rise due to an increase in the number of parts as required. In addition, it is possible to prevent the blood sugar level control system from being unable to be used due to the loss of an adapter in the form of a different part.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: July 17, 2012
    Assignee: Arkray, Inc.
    Inventors: Tetsuya Sakata, Yoshiharu Uehata, Hitoshi Hata
  • Sensor storage container
    Patent number: 8210349
    Abstract: A sensor storage container is provided that allows sensors to be checked visually from the outside. A container is used for storing sensors including an oxidation-reduction enzyme that oxidizes or reduces an object to be analyzed, a mediator that mediates the transfer of electrons caused by oxidation or reduction, and a detection means that detects the oxidation or reduction reaction. The container is transparent or semi-transparent in whole or in part and thereby the sensors can be checked visually from the outside of the container. This container may be composed of a container body and a lid. The container body may be provided with a scale. Preferably, the sensors are those produced using a ruthenium metal complex as the mediator.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: July 3, 2012
    Assignee: ARKRAY, Inc.
    Inventor: Hideaki Yamaoka
  • STABILIZED BETA CRYPTOXANTHIN-CONTAINING WATER AND THE USE THEREOF
    Publication number: 20120156333
    Abstract: A stabilized ? cryptoxanthin-containing water being capable of being utilized in food and drink is provided with low cost. The stabilized ? cryptoxanthin-containing water of the present embodiments is a stabilized ? cryptoxanthin-containing water containing: water; ? cryptoxanthin; and vitamin C, wherein the ? cryptoxanthin is stabilized by adding the vitamin C to the water containing the ? cryptoxanthin. The vitamin C has superior safety and is inexpensive, and the ? cryptoxanthin can be stabilized by the vitamin C alone without using in combination with the other stabilizing agent. Therefore, according to the present embodiments, the ? cryptoxanthin in the water can be stabilized with safety and low cost.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 21, 2012
    Applicant: ARKRAY, INC.
    Inventors: Takao Sasaki, Kiyofumi Takayama