Patents by Inventor Masahito Tanaka
Masahito Tanaka 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: 11957020Abstract: A light-emitting device is described that includes a plurality of partially drivable light sources, and a color conversion component configured to convert at least part of incident light from at least part of the light sources and emit outgoing light falling in a different wavelength region from the incident light, where the color conversion component includes a pyrromethene derivative.Type: GrantFiled: January 18, 2019Date of Patent: April 9, 2024Assignee: Toray Industries, Inc.Inventors: Yasunori Ichihashi, Daisaku Tanaka, Masahito Nishiyama, Keizo Udagawa, Yuka Tatematsu
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Patent number: 11911150Abstract: A light irradiation unit configured to irradiate a measurement part with a light beam that has a wavelength absorbed by glucose and a detection unit configured to detect a photoacoustic signal generated from the measurement part irradiated with the light beam emitted from the light irradiation unit are included. The light irradiation unit irradiates the measurement part by scanning the light beam 2-dimensionally. The measurement part is irradiated with the light beam through raster scanning. For example, the light beam has a beam diameter of about 100 ?m and is scanned at a scanning speed of about 100 ?m/10 ms.Type: GrantFiled: April 5, 2019Date of Patent: February 27, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Katsuhiro Ajito, Michiko Seyama, Daichi Matsunaga, Masahito Nakamura, Yujiro Tanaka
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Publication number: 20220393634Abstract: A processing apparatus acquires a first rise transition that is a rise transition of the temperature of a winding and a second rise transition that is a rise transition of the temperature detected by a temperature sensor in a state where voltage application for raising the temperature of the winding to a predetermined temperature is performed, determines a predetermined temperature characteristic model by calculating a predetermined parameter on the basis of the second rise transition, and further determines a winding temperature characteristic model by calculating a winding related parameter on the basis of the first rise transition.Type: ApplicationFiled: October 20, 2020Publication date: December 8, 2022Inventors: Masahito TANAKA, Hitoshi FUKUHARA, Mamoru EGI, Yasushi ONO
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Patent number: 11408839Abstract: The processing device includes: a temperature transition acquisition unit that acquires rising transition of the temperature of the winding in a state in which a first voltage is applied in order to raise a temperature of the winding to a first temperature and further acquires falling transition of the temperature of the winding in a state in which a second voltage is applied in order to lower the temperature of the winding to a second temperature that is lower than the first temperature after the temperature of the winding converges to the first temperature; and a decision unit that calculates stator-related parameters on the basis of the falling transition to decide a stator temperature characteristic mode and further calculates winding-related parameters on the basis of the rising transition and a stator temperature characteristic model to decide a winding temperature characteristic model.Type: GrantFiled: March 15, 2019Date of Patent: August 9, 2022Assignee: OMRON CorporationInventors: Masahito Tanaka, Mamoru Egi, Yasushi Ono
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Patent number: 11287805Abstract: Provided is a technology of enabling notification, to a user, that the state of a machine system has changed prior to occurrence of machine resonance, irrespective of the direction of a resonance frequency change.Type: GrantFiled: October 10, 2018Date of Patent: March 29, 2022Assignee: OMRON CorporationInventors: Masahito Tanaka, Mamoru Egi
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Publication number: 20200338121Abstract: A carbon dioxide slow-release pack for skin according to the present invention is a carbon dioxide slow-release pack which has a bag shape for slowly releasing carbon dioxide enclosed therein, thereby bringing the carbon dioxide into contact with the skin, and is formed into a bag shape by at least a resin sheet (A), and the resin sheet (A) satisfies at least the following requirements (A-1) and (A-2): (A-1) A carbon dioxide permeability measured under the conditions of 23° C. and a relative humidity of 0% according to JIS K7126-1 is 20 L/(m2·day·atm) or more, (A-2) An Oken-type air permeability measured at 23° C. according to JIS P8117: 2009 is less than 5 ?m/(Pa·s).Type: ApplicationFiled: October 17, 2018Publication date: October 29, 2020Applicants: MITSUI CHEMICALS, INC., KAO CORPORATIONInventors: Tomoya MATAYOSHI, Takayuki WATANABE, Michio ERIGUCHI, Masahito TANAKA
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Publication number: 20200278658Abstract: Provided is a technology of enabling notification, to a user, that the state of a machine system has changed prior to occurrence of machine resonance, irrespective of the direction of a resonance frequency change.Type: ApplicationFiled: October 10, 2018Publication date: September 3, 2020Applicant: OMRON CorporationInventors: Masahito TANAKA, Mamoru EGI
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Patent number: 10720868Abstract: Provided is a motor control device having a function of estimating inductance and resistance of a motor for which inductance and resistance thereof are unknown. The motor control device includes a power converter, a current controller which calculates the voltage command input to the power converter using a detection result of a current value of a drive current of the motor, a current command generation unit which specifies a frequency for motor constant calculation on the basis of an electrical time constant of the motor, generates a sine wave of the frequency for motor constant calculation, and inputs the sine wave to the current controller as the current command, and a motor constant calculation unit which obtains a frequency response while the sine wave is input to the current controller as the current command, and calculates resistance and inductance of the motor from the obtained frequency response.Type: GrantFiled: March 15, 2019Date of Patent: July 21, 2020Assignee: OMRON CorporationInventors: Masahito Tanaka, Yasushi Ono
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Publication number: 20200093188Abstract: A water repellency-imparted fiber article (10) of the present invention includes: a fiber article (1) having a skin-facing surface (1a) and a non-skin-facing surface (1b); and a water repellency-imparting agent attached to the fiber article (1). The fiber article (1) contains a water-absorbent fiber and has water absorbency in terms of a water absorption time of 30 seconds or less as measured in accordance with the dropping method of JIS L-1907. The water repellency-imparted fiber article (10) has a non-skin-side water-repellent region (2) on the non-skin-facing surface (1b) of the fiber article (1), the non-skin-side water-repellent region (2) including a portion to which the water repellency-imparting agent is attached.Type: ApplicationFiled: December 22, 2017Publication date: March 26, 2020Applicant: KAO CORPORATIONInventors: Masahito TANAKA, Tetsuji KITO, Kenichi OTANI, Hirofumi NAKANISHI
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Publication number: 20200014319Abstract: Provided is a motor control device having a function of estimating inductance and resistance of a motor for which inductance and resistance thereof are unknown. The motor control device includes a power converter, a current controller which calculates the voltage command input to the power converter using a detection result of a current value of a drive current of the motor, a current command generation unit which specifies a frequency for motor constant calculation on the basis of an electrical time constant of the motor, generates a sine wave of the frequency for motor constant calculation, and inputs the sine wave to the current controller as the current command, and a motor constant calculation unit which obtains a frequency response while the sine wave is input to the current controller as the current command, and calculates resistance and inductance of the motor from the obtained frequency response.Type: ApplicationFiled: March 15, 2019Publication date: January 9, 2020Applicant: OMRON CorporationInventors: Masahito TANAKA, Yasushi ONO
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Publication number: 20200011820Abstract: The processing device includes: a temperature transition acquisition unit that acquires rising transition of the temperature of the winding in a state in which a first voltage is applied in order to raise a temperature of the winding to a first temperature and further acquires falling transition of the temperature of the winding in a state in which a second voltage is applied in order to lower the temperature of the winding to a second temperature that is lower than the first temperature after the temperature of the winding converges to the first temperature; and a decision unit that calculates stator-related parameters on the basis of the falling transition to decide a stator temperature characteristic mode and further calculates winding-related parameters on the basis of the rising transition and a stator temperature characteristic model to decide a winding temperature characteristic model.Type: ApplicationFiled: March 15, 2019Publication date: January 9, 2020Applicant: OMRON CorporationInventors: Masahito TANAKA, Mamoru EGI, Yasushi ONO
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Patent number: 9932651Abstract: A heavy wall and high strength seamless steel pipe having high sour resistance is provided. In particular, a quenching and tempering treatment is conducted to adjust the yield strength to be higher than 450 MPa and adjust the Vickers hardness HV5 that can be measured at an outermost side or an innermost side of the pipe under a 5 kgf load (test load: 49 N) to be 250 HV5 or less.Type: GrantFiled: June 29, 2012Date of Patent: April 3, 2018Assignee: JFE Steel CorporationInventors: Yasuhide Ishiguro, Mitsuo Kimura, Kenichiro Eguchi, Hiroshi Yokogawa, Tadao Katagiri, Masahito Tanaka
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Patent number: 9603755Abstract: An absorbent member containing a hydrophobic material subjected to hydrophilic treatment, a plurality of through holes passing through the absorbent member in a thickness direction formed at a portion of the absorbent member in a target region (P). The absorbent member has a layer-stacked structure of a plurality of layers, stacked in the thickness direction. The Klemm water absorption height of a lower layer most proximal to the backsheet is higher than that of an upper layer most proximal to the topsheet. The backsheet contains a moisture permeable film including a plurality of microvoids, and having water repellent portions formed by water repellent finishing, on a portion in the target region (P) of a skin-facing surface of the moisture permeable film. A ratio of the total area of portions on which the water repellent finishing is performed to the area of the target region (P) is from 30% to 60%.Type: GrantFiled: December 9, 2013Date of Patent: March 28, 2017Assignee: KAO CorporationInventor: Masahito Tanaka
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Publication number: 20160271019Abstract: Provided is a cutting device electrically connectable to a conductive wire of a conductive-wire mounted package provided with the conductive wire that allows for electric current to flow to the package with a drug housed therein to detect a change in current flowing state of the conductive wire which is cut along with discharging of the drug from the conductive-wire mounted package. The detecting device includes a holding part configured to hold therein the conductive-wire mounted package and electrically connectable to the conductive wire. The holding part includes a pair of holding pieces that are movable toward and away from each other, and a positioning structure that is provided in at least one of the pair of holding pieces to position the conductive-wire mounted package relative to the holding part.Type: ApplicationFiled: June 26, 2014Publication date: September 22, 2016Inventor: Masahito TANAKA
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Patent number: 8980167Abstract: There is provided a cost-effective stainless steel pipe having excellent expandability for oil country tubular goods, the stainless steel pipe having excellent CO2 corrosion resistance under a severe corrosive environment containing CO2, Cl?, and the like. The stainless steel pipe having excellent expandability for oil country tubular goods contains 0.05% or less C, 0.50% or less Si, Mn: 0.10% to 1.50%, 0.03% or less P, 0.005% or less S, 10.5% to 17.0% Cr, 0.5% to 7.0% Ni, 3.0% or less Mo, 0.05% or less Al, 0.20% or less V, 0.15% or less N, and 0.008% or less O, optionally at least one selected from Nb, Cu, Ti, Zr, Ca, B, and W, in a specific content, and the balance being Fe and incidental impurities, wherein a microstructure mainly having a tempered martensitic phase has an austenitic phase content exceeding 20%.Type: GrantFiled: February 24, 2006Date of Patent: March 17, 2015Assignee: JFE Steel CorporationInventors: Mitsuo Kimura, Yoshio Yamazaki, Masahito Tanaka
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Patent number: 8840378Abstract: A thrust generating apparatus is configured to generate thrust by ejecting water. The thrust generating apparatus includes: a first water lubricated bearing opposed to one side surface and outer peripheral surface of rotor main body and supports a thrust and radial load; a second water lubricated bearing opposed to the other side surface and outer peripheral surface of rotor main body and supports the thrust and radial load; a first water intake port that opens toward a portion of a channel; a second water intake port that opens toward another portion of the channel; a first water conveyance tube through which the water having flowed through the first water intake port is guided to the second water lubricated bearing; and a second water conveyance tube through which the water having flowed through the second water intake port is guided to the first water lubricated bearing.Type: GrantFiled: June 18, 2010Date of Patent: September 23, 2014Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Masahito Tanaka, Hiromitsu Kiyose, Tetsuro Ikebuchi, Kentaro Nakagawa
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Publication number: 20140163508Abstract: An absorbent member containing a hydrophobic material subjected to hydrophilic treatment, a plurality of through holes passing through the absorbent member in a thickness direction formed at a portion of the absorbent member in a target region (P). The absorbent member has a layer-stacked structure of a plurality of layers, stacked in the thickness direction. The Klemm water absorption height of a lower layer most proximal to the backsheet is higher than that of an upper layer most proximal to the topsheet. The backsheet contains a moisture permeable film including a plurality of microvoids, and having water repellent portions formed by water repellent finishing, on a portion in the target region (P) of a skin-facing surface of the moisture permeable film. A ratio of the total area of portions on which the water repellent finishing is performed to the area of the target region (P) is from 30% to 60%.Type: ApplicationFiled: December 9, 2013Publication date: June 12, 2014Applicant: KAO CORPORATIONInventor: Masahito TANAKA
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Publication number: 20140137992Abstract: A heavy wall and high strength seamless steel pipe having high sour resistance is provided. In particular, a quenching and tempering treatment is conducted to adjust the yield strength to be higher than 450 MPa and adjust the Vickers hardness HV5 that can be measured at an outermost side or an innermost side of the pipe under a 5 kgf load (test load: 49 N) to be 250 HV5 or less.Type: ApplicationFiled: June 29, 2012Publication date: May 22, 2014Applicant: JFE Steel CorporationInventors: Yasuhide Ishiguro, Mitsuo Kimura, Kenichiro Eguchi, Hiroshi Yokogawa, Tadao Katagiri, Masahito Tanaka
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Patent number: 8708668Abstract: A thrust generating apparatus is provided under water and configured to generate thrust by ejecting the water. A rotor main body includes: a first member including a side surface and outer peripheral surface which are opposed to a first water lubricated bearing; a second member including a side surface and outer peripheral surface which are opposed to a second water lubricated bearing; and a third member including a supporting surface contacting an inner peripheral surface of a rotor core. The first to third members are fixed to one another so that each member is detachable.Type: GrantFiled: June 18, 2010Date of Patent: April 29, 2014Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Masahito Tanaka, Hiromitsu Kiyose, Tetsuro Ikebuchi, Kentaro Nakagawa
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Patent number: 8512487Abstract: A seamless expandable oil country tubular article, which has a superior pipe expansion property in a expanding process at an expand ratio of more than about 30% although having a high strength such as a tensile strength (TS) of about 600 MPa or more, and a manufacturing method thereof, the seamless expandable oil country tubular goods being in an as-rolled state or being processed, optionally necessary, by inexpensive nonthermal-refining type heat treatment.Type: GrantFiled: October 18, 2004Date of Patent: August 20, 2013Assignee: JFE Steel CorporationInventors: Yoshio Yamazaki, Yukio Miyata, Mitsuo Kimura, Kei Sakata, Masahito Tanaka