Patents by Inventor Shigeru Matsunaga
Shigeru Matsunaga 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).
-
Publication number: 20220356460Abstract: A protein according to one embodiment of the present invention has a photoactivated adenylyl cyclase activity, and consists of the amino acid sequence of SEQ ID No. 1 with 1-18 amino acid residues deleted from the C-terminus, or an amino acid sequence having 90% or more sequence identity therewith. According to the present invention, a novel photoactivated adenylyl cyclase having a higher photoactivation efficiency compared to a wild-type OaPAC protein can be provided.Type: ApplicationFiled: April 14, 2020Publication date: November 10, 2022Applicants: HAMAMATSU PHOTONICS K.K., The Graduate School for the Creation of New Photonics IndustriesInventors: Minako HIRANO, Shigeru MATSUNAGA, Masumi TAKEBE
-
Patent number: 10314268Abstract: Provided is a method for cultivating low potassium leafy vegetables at high yield without causing growth failure due to potassium deficiency in hydroponics. Cultivation is performed using a hydroponic solution containing a very small amount of potassium in the late cultivation period of low potassium leafy vegetables, thereby keeping the potassium content low at the time of harvest and also allowing the leafy vegetables to be stably harvested at high yield without causing potassium deficiency.Type: GrantFiled: February 27, 2015Date of Patent: June 11, 2019Assignee: MATSUNAGA PLANT LABORATORY CO., LTD.Inventor: Shigeru Matsunaga
-
Publication number: 20170006816Abstract: Provided is a method for cultivating low potassium leafy vegetables at high yield without causing growth failure due to potassium deficiency in hydroponics. Cultivation is performed using a hydroponic solution containing a very small amount of potassium in the late cultivation period of low potassium leafy vegetables, thereby keeping the potassium content low at the time of harvest and also allowing the leafy vegetables to be stably harvested at high yield without causing potassium deficiency.Type: ApplicationFiled: February 27, 2015Publication date: January 12, 2017Inventor: Shigeru Matsunaga
-
Patent number: 9463545Abstract: Reference phase variation values ?k1 to ?Kn, each of which is a variation among a plurality of phases that occur during non-machining and phase variation values ?1 to ?n, each of which is a variation among a plurality of phases that occur during machining are detected from measured vibration with the use of a chattering detector that is used to calculate phases of a desired number (n) of frequencies. If ?Ki??i is smaller than a determination value TK, it is determined that chattering having a frequency i is occurring.Type: GrantFiled: February 29, 2012Date of Patent: October 11, 2016Assignee: JTEKT CORPORATIONInventors: Toshiyuki Okita, Ryota Tanase, Shigeru Matsunaga
-
Publication number: 20150328698Abstract: A rotary tool holder is provided which enables effective suppression of possible chattering vibration when a workpiece is machined using a rotary tool. A tool holder that is a rotary tool holder includes a main body that rotates while holding a rotary tool, an additional mass supported by the main body with a radial gap, a fluid path provided in the main body, and a viscoelastic damper configured by a fluid fed to the radial gap between the main body and the additional mass via the fluid path.Type: ApplicationFiled: April 28, 2015Publication date: November 19, 2015Applicant: JTEKT CORPORATIONInventors: Hisashi Otani, Hiroyuki Nakano, Shigeru Matsunaga, Ryota Tanase
-
Publication number: 20150223417Abstract: An object of the present invention is to stably yield a leafy vegetable having a low potassium content even when large scale hydroponics is practiced. The cultivation is carried out by strictly controlling the concentrations of the hydroponic solutions based on the EC value throughout the entire cultivation period as well as by changing the N:P ratio between the potassium containing hydroponic solution used in the first part of the cultivation period and the subsequently used potassium-free hydroponic solution. As a result, leafy vegetables having a potassium content of about ¼ of that of the typical hydroponics leafy vegetables can be yielded with a stable quality even in large scale hydroponics.Type: ApplicationFiled: November 1, 2013Publication date: August 13, 2015Inventor: Shigeru Matsunaga
-
Patent number: 9020629Abstract: Loads that act on all the bearings that support a main spindle are derived from a variation in the state of the main spindle and, in addition, raceway surface contact pressures of the respective bearings are analyzed, so it is possible to accurately keep track of the state of each bearing. Then, when the raceway surface contact pressure exceeds a corresponding threshold, a machining condition is changed to execute control such that the raceway surface contact pressure does not exceed the corresponding threshold, and, furthermore, when the raceway surface contact pressure exceeds the corresponding threshold even when the machining condition is changed, the main spindle is controlled to stop, so it is possible to prevent a seizure of each bearing. Thus, it is possible to improve machining accuracy by controlling the main spindle with high accuracy.Type: GrantFiled: September 22, 2010Date of Patent: April 28, 2015Assignee: JTEKT CorporationInventor: Shigeru Matsunaga
-
Patent number: 9011007Abstract: A spindle unit includes: a main spindle that holds a rotary tool, and that is rotated; bearings by which the main spindle is rotatably supported; and a damper bearing by which the main spindle is rotatably supported, and that has a damping coefficient larger than damping coefficients of the bearings. The damping coefficient of the damper bearing is set to a value within a range from 10,000 to 1,000,000 N·s/m.Type: GrantFiled: June 11, 2013Date of Patent: April 21, 2015Assignee: JTEKT CorporationInventors: Shigeru Matsunaga, Toshiyuki Okita, Ryota Tanase
-
Publication number: 20140360745Abstract: A main spindle unit includes: a damper bearing that restricts vibrations of a main spindle by being supplied with a fluid; a fluid supply device that supplies the fluid to the damper bearing, and that is able to adjust a flow rate of the fluid; a vibration detection sensor that detects a vibration of the main spindle; and a controller that adjusts the flow rate of the fluid supplied from the fluid supply device, based on the magnitude of the vibration detected by the vibration detection sensor.Type: ApplicationFiled: June 4, 2014Publication date: December 11, 2014Applicant: JTEKT CORPORATIONInventors: Shigeru MATSUNAGA, Ryota Tanase
-
Patent number: 8759007Abstract: The present invention provides a method for detecting modified LDL, abnormal cells or bacteria using an intermolecular interaction analysis method, in which a region involved in ligand recognition by a receptor is expressed, without modification or as a biotinylated protein, in cells or in a test tube, and thereafter, the expressed region or the expressed biotinylated protein is immobilized via avidin or streptavidin to a solid phase while the orientation thereof is maintained, and the immobilized protein is utilized; and a kit for detecting the modified LDL or the like.Type: GrantFiled: December 11, 2009Date of Patent: June 24, 2014Assignee: National Food Research InstituteInventors: Sachiko Machida, Kiyoshi Hayashi, Ken Tokuyasu, Yoshikiyo Sakakibara, Shigeru Matsunaga
-
Publication number: 20130336603Abstract: A spindle unit includes: a main spindle that holds a rotary tool, and that is rotated; bearings by which the main spindle is rotatably supported; and a damper bearing by which the main spindle is rotatably supported, and that has a damping coefficient larger than damping coefficients of the bearings. The damping coefficient of the damper bearing is set to a value within a range from 10,000 to 1,000,000 N·s/m.Type: ApplicationFiled: June 11, 2013Publication date: December 19, 2013Inventors: Shigeru Matsunaga, Toshiyuki Okita, Ryota Tanase
-
Publication number: 20120232812Abstract: Reference phase variation values ?k1 to ?Kn, each of which is a variation among a plurality of phases that occur during non-machining and phase variation values ?1 to ?n, each of which is a variation among a plurality of phases that occur during machining are detected from measured vibration with the use of a chattering detector that is used to calculate phases of a desired number (n) of frequencies. If ?Ki??i is smaller than a determination value TK, it is determined that chattering having a frequency i is occurring.Type: ApplicationFiled: February 29, 2012Publication date: September 13, 2012Applicant: JTEKT CORPORATIONInventors: Toshiyuki OKITA, Ryota Tanase, Shigeru Matsunaga
-
Patent number: 8253575Abstract: A spindle device is provided with a temperature sensor for detecting the temperature of an antifriction bearing or the temperature of a part of either one of a housing and a spindle which part is influenced by a temperature change of the antifriction bearing, and an abnormality detection section for detecting the abnormality of the antifriction bearing based on the change speed of the temperature of the antifriction bearing detected by the temperature sensor, so that the abnormality of the antifriction bearing can be detected more precisely.Type: GrantFiled: December 18, 2009Date of Patent: August 28, 2012Assignee: JTEKT CorporationInventor: Shigeru Matsunaga
-
Publication number: 20120173012Abstract: Loads that act on all the bearings that support a main spindle are derived from a variation in the state of the main spindle and, in addition, raceway surface contact pressures of the respective bearings are analyzed, so it is possible to accurately keep track of the state of each bearing. Then, when the raceway surface contact pressure exceeds a corresponding threshold, a machining condition is changed to execute control such that the raceway surface contact pressure does not exceed the corresponding threshold, and, furthermore, when the raceway surface contact pressure exceeds the corresponding threshold even when the machining condition is changed, the main spindle is controlled to stop, so it is possible to prevent a seizure of each bearing. Thus, it is possible to improve machining accuracy by controlling the main spindle with high accuracy.Type: ApplicationFiled: September 22, 2010Publication date: July 5, 2012Applicant: JTEKT CorporationInventor: Shigeru Matsunaga
-
Publication number: 20100178001Abstract: A spindle device is provided with a temperature sensor for detecting the temperature of an antifriction bearing or the temperature of a part of either one of a housing and a spindle which part is influenced by a temperature change of the antifriction bearing, and an abnormality detection section for detecting the abnormality of the antifriction bearing based on the change speed of the temperature of the antifriction bearing detected by the temperature sensor, so that the abnormality of the antifriction bearing can be detected more precisely.Type: ApplicationFiled: December 18, 2009Publication date: July 15, 2010Applicant: JTEKT CORPORATIONInventor: Shigeru MATSUNAGA
-
Publication number: 20100167340Abstract: The present invention provides a method for detecting modified LDL, abnormal cells or bacteria using an intermolecular interaction analysis method, in which a region involved in ligand recognition by a receptor is expressed, without modification or as a biotinylated protein, in cells or in a test tube, and thereafter, the expressed region or the expressed biotinylated protein is immobilized via avidin or streptavidin to a solid phase while the orientation thereof is maintained, and the immobilized protein is utilized; and a kit for detecting the modified LDL or the like.Type: ApplicationFiled: December 11, 2009Publication date: July 1, 2010Applicant: NATIONAL FOOD RESEARCH INSTITUTEInventors: Sachiko Machida, Kiyoshi Hayashi, Ken Tokuyasu, Yoshikiyo Sakakibara, Shigeru Matsunaga
-
Publication number: 20040209294Abstract: The present invention provides a method for detecting modified LDL, abnormal cells or bacteria using an intermolecular interaction analysis method, in which a region involved in ligand recognition by a receptor is expressed, without modification or as a biotinylated protein, in cells or in a test tube, and thereafter, the expressed region or the expressed biotinylated protein is immobilized via avidin or streptavidin to a solid phase while the orientation thereof is maintained, and the immobilized protein is utilized; and a kit for detecting the modified LDL or the like.Type: ApplicationFiled: January 26, 2004Publication date: October 21, 2004Applicant: National Food Research InstituteInventors: Sachiko Machida, Kiyoshi Hayashi, Ken Tokuyasu, Yoshikiyo Sakakibara, Shigeru Matsunaga
-
Publication number: 20040072992Abstract: A peptide is provided, consisting of amino acid sequence comprising an amino acid sequence Z1X1X2X3Z2X4X5Z3X6X7X8Z4X9. where X1-X9 are any amino acids and at least two amino acids of Z1-Z4 are basic amino acids. An analog thereof is also provided.Type: ApplicationFiled: August 29, 2003Publication date: April 15, 2004Inventors: Sachiko Machida, Ken Tokuyasu, Shigeru Matsunaga, Yoshikiyo Sakakibara, Masuko Kobori, Zhesheng Wen
-
Patent number: 5067555Abstract: In a twin roll continuous casting apparatus comprising a pair of internally cooled rolls rotating in the opposite direction of each other and disposed parallel to each other with their axes held horizontal, a pair of side dams for forming a pool of molten metal having a predetermined height on the circumferential surfaces of the rolls disposed in the direction perpendicular to the roll axes with a space therebetween approximately corresponding to the width of a metal strip to be cast and a pair of longitudinal dams having respective inside walls along the roll axes to form the pool of molten metal together with the side dams and the circumferential surfaces of the rolls, the improvement wherein one of the longitudinal dams is constructed so that it constitutes an intermediate tundish for pouring a substantially horizontal film flow of molten metal near the level of the surface of molten metal in the pool.Type: GrantFiled: July 10, 1990Date of Patent: November 26, 1991Assignees: Nisshin Steel Co., Ltd., Hitachi, Ltd.Inventors: Takeshi Ban, Shigeru Matsunaga, Hidemi Hirano, Tuguo Isobe, Yoshio Takakura