Patents by Inventor Ryu Miura
Ryu Miura 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: 11926853Abstract: Provided is a botulinum toxin producing method which is simple achieves a high toxin yield, and obtains a toxin having high specific activity. This botulinum toxin producing method includes: (A) a step in which a botulinum toxin is produced from botulinum toxin-producing bacteria in a medium, and a mixture a is obtained which contains a botulinum toxin, a bacterial component, and a nucleic acid component derived from the botulinum toxin; (B) a step in which the mixture a is subjected to the removal of the bacterial component, and a mixture b is obtained which contains a nucleic acid component and a botulinum toxin; (C) a step in which an endonuclease is added to the mixture b and a mixture c is obtained which contains a nucleic acid degradation product and a botulinum toxin; and (D) a step in which the mixture c is subjected to removal of the nucleic acid degradation product, and an isolated botulinum toxin liquid d is obtained.Type: GrantFiled: December 17, 2019Date of Patent: March 12, 2024Assignee: The Research Foundation For Microbial Diseases of Osaka UniversityInventors: Daisuke Yokouchi, Akiko Miura, Ryu Okada, Yuzo Yamashita, Yuya Sasaki, Shogo Nishihata
-
Patent number: 10892644Abstract: To provide a power supply system to a two-dimensional communication sheet that can prevent generation of leakage power without lowering a power efficiency, there are included a two-dimensional communication sheet 1 that has an dielectric layer 11, a first conductor layer 12 covering a rear surface of the dielectric layer 11, and a second conductor layer 13 covering a front surface of the dielectric layer 11 and composed of a mesh-shaped wiring pattern; and a power supply port 16 for supplying power to the two-dimensional communication sheet 1, the power supply port 16 having a first power supply plate 163 provided separately at a rear side of the first conductor layer 12, a second power supply plate 164 provided at a position opposite to the first power supply plate 163 separately at a front side of the second conductor layer 13, a first power supply body 161 electrically connected with the first power supply plate 163, and a second power supply body 162 electrically connected with the second power supply plaType: GrantFiled: August 6, 2017Date of Patent: January 12, 2021Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGYInventors: Bing Zhang, Takashi Matsuda, Toshinori Kagawa, Ryu Miura
-
Patent number: 10277263Abstract: A radio receiver, configured to use an impulse UWB, includes: a reception antenna which receives the impulse UWB, a reception unit which amplifies the received impulse UWB and detects an envelope of the impulse UWB, maximum-peak and minimum-peak detection units which detect a maximum value and minimum value of the envelope, respectively, a comparator which acquires signal data from the envelope with an initial threshold value, a baseband unit which measures an error rate of the signal data, an MPU which calculates a correction value based on the error rate, and an arithmetic unit which calculates a corrected threshold value based on the maximum, minimum and correction values. The arithmetic unit transmits the corrected threshold value to the comparator. The comparator acquires the signal data from the envelope based on the corrected threshold value transmitted from the arithmetic unit.Type: GrantFiled: December 12, 2016Date of Patent: April 30, 2019Assignees: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY, GIT JAPAN INCORPORATEDInventors: Huan-Bang Li, Ryu Miura, Hisashi Nishikawa, Atsushi Osada
-
Publication number: 20190044379Abstract: To provide a power supply system to a two-dimensional communication sheet that can prevent generation of leakage power without lowering a power efficiency, there are included a two-dimensional communication sheet 1 that has an dielectric layer 11, a first conductor layer 12 covering a rear surface of the dielectric layer 11, and a second conductor layer 13 covering a front surface of the dielectric layer 11 and composed of a mesh-shaped wiring pattern; and a power supply port 16 for supplying power to the two-dimensional communication sheet 1, the power supply port 16 having a first power supply plate 163 provided separately at a rear side of the first conductor layer 12, a second power supply plate 164 provided at a position opposite to the first power supply plate 163 separately at a front side of the second conductor layer 13, a first power supply body 161 electrically connected with the first power supply plate 163, and a second power supply body 162 electrically connected with the second power supply plaType: ApplicationFiled: February 6, 2017Publication date: February 7, 2019Applicant: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGYInventors: Bing ZHANG, Takashi MATSUDA, Toshinori KAGAWA, Ryu MIURA
-
Publication number: 20180367176Abstract: A radio receiver, configured to use an impulse UWB, includes: a reception antenna which receives the impulse UWB, a reception unit which amplifies the received impulse UWB and detects an envelope of the impulse UWB, maximum-peak and minimum-peak detection units which detect a maximum value and minimum value of the envelope, respectively, a comparator which acquires signal data from the envelope with an initial threshold value, a baseband unit which measures an error rate of the signal data, an MPU which calculates a correction value based on the error rate, and an arithmetic unit which calculates a corrected threshold value based on the maximum, minimum and correction values. The arithmetic unit transmits the corrected threshold value to the comparator. The comparator acquires the signal data from the envelope based on the corrected threshold value transmitted from the arithmetic unit.Type: ApplicationFiled: December 12, 2016Publication date: December 20, 2018Applicants: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIO NS TECHNOLOGY, GIT JAPAN INCORPORATEDInventors: Huan-Bang LI, Ryu MIURA, Hisashi NISHIKAWA, Atsushi OSADA
-
Patent number: 6228998Abstract: A glycosaminoglycan derivative is disclosed wherein a first amino group of a spacer compound (NH2—Y—NH2) is bonded to an aldehyde formed by reducing and partially oxidizing a reducing end sugar of a glycosaminoglycan, via an aminoalkyl bond, or a lactone formed by oxidizing and cyclodehydrating the reducing end sugar of a glycosaminoglycan, via an acid amide bond, and further a hydrocarbon compound having a allyl group at one end and a functional group at another end which is bonded to the second amino group of the spacer compound. This derivative is useful as a substrate in a process for identifying a glycosaminoglycan-degrading enzyme that gives good reproducibility and sensitivity.Type: GrantFiled: July 20, 1995Date of Patent: May 8, 2001Assignee: Seikagaku Kogyo Kabushiki KaishaInventors: Ryu Miura, Sadako Yamagata, Tatsuya Yamagata
-
Patent number: 5585803Abstract: In an apparatus and method for controlling an array antenna comprising a plurality of antenna elements arranged so as to be adjacent to each other in a predetermined arrangement configuration, a plurality of received signals received by the antenna elements is transformed into respective pairs of quadrature baseband signals, using a common local oscillation signal, wherein each pair of quadrature baseband signals is orthogonal to each other. Then predetermined first and second data are calculated based on each pair of transformed quadrature baseband signals, and are filtered using a noise suppressing filter. Respective elements of a transformation matrix for in-phase combining are calculated based on the filtered first and second data, and the received signals obtained from the each two antenna elements are put in phase based on the calculated transformation matrix. Thereafter, a plurality of received signals which are put in phase are combined in phase, and an in-phase combined received signal is outputted.Type: GrantFiled: August 29, 1995Date of Patent: December 17, 1996Assignee: ATR Optical and Radio Communications Research LabsInventors: Ryu Miura, Toyohisa Tanaka, Yoshio Karasawa, Isamu Chiba
-
Patent number: 5473333Abstract: In an apparatus for adaptively controlling an array antenna of M antenna elements, a multi-beam forming circuit calculates N beam field strengths in a known manner, and a beam selecting circuit selectively outputs beam field strengths not smaller than a predetermined threshold value by comparing the N beam field strengths with the threshold value. At least two adaptive control processors calculate N weight coefficients corresponding to N beams according to a constant modulus algorithm, respectively multiplies the calculated beam field strengths by the calculated N weight coefficients, and combines in phase respective signals of multiplication results, outputting the combined signal as a reception signal. In an initial state of one adaptive control processor, a weight coefficient thereof corresponding to the maximum beam field strength is set to a predetermined initial value not zero, and weight coefficients corresponding to the other beam field strengths are set to zero.Type: GrantFiled: January 4, 1995Date of Patent: December 5, 1995Assignee: ATR Optical & Radio Communications Research LaboratoriesInventors: Isamu Chiba, Ryu Miura, Yoshio Karasawa