Patents by Inventor Masahiro Kawaguchi
Masahiro Kawaguchi 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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Publication number: 20230357232Abstract: The present invention provides an imidazo[1,2-a]pyridine compound that is excellent in pest control activity, particularly, insecticidal activity and/or acaracidal activity, is excellent in safety, and may be industrially advantageously synthesized. The imidazo[1,2-a]pyridine compound of the present invention is a compound of any of formulae (I) to (III) or a salt thereof.Type: ApplicationFiled: September 17, 2021Publication date: November 9, 2023Applicant: Nippon Soda Co., Ltd.Inventors: Norifumi SAKIYAMA, Tetsuro KATO, Fumiya NISHIO, Daisuke USHIJIMA, Hikaru AOYAMA, Tomomi KOBAYASHI, Masahiro KAWAGUCHI, Keita SAKANISHI
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Publication number: 20230127522Abstract: A clamp-type AC voltage probe includes: a clamp portion that clamps a cable to be measured; an electrode disposed to be opposed to the cable clamped by the clamp portion; a parallel circuit in which a capacitor and a resistance are connected in parallel, and one end of which is connected to the electrode; a resistance one end of which is connected to the other end of the parallel circuit and the other end of which is connected to a circuit ground; a capacitor one end of which is connected to the other end of the parallel circuit and the other end of which is connected to the circuit ground; and an amplifier an input terminal of which is connected to the one end or the other end of the parallel circuit, and that amplifies and outputs a signal input into the input terminal.Type: ApplicationFiled: February 22, 2021Publication date: April 27, 2023Inventor: Masahiro KAWAGUCHI
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Publication number: 20220109393Abstract: A motor control device includes a control unit configured to control power supplied to a motor, and a speed detection unit configured to detect a rotational speed of the motor. When the rotational speed of the motor detected by the speed detection unit does not reach a first threshold value, the control unit controls the power supplied to the motor to be a predetermined first power, and when the rotational speed of the motor reaches the first threshold value, the control unit controls the power to cause the power supplied to the motor to be lower than the first power.Type: ApplicationFiled: September 28, 2021Publication date: April 7, 2022Inventors: Masahiro KAWAGUCHI, Tomohiro INOUE
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Patent number: 8993592Abstract: Provided is a cyclic amine compound, represented by the following formula (I) that has superior acaricidal activity, has superior properties and safety, and which can be synthesized industrially advantageously, a salt thereof and an acaricide: (wherein, Cy1 and Cy2 respectively and independently represent, for example, an aryl group, R1a, R1b, R2a, R2b, R3a, R3b, R4a, R4b and R5a respectively and independently represent, for example, a hydrogen atom, R1a and R2a or R3a and R4a may together form, for example, an ethylene group, R10, R11, R20 and R21 respectively and independently represent, for example, an alkyl group, R10 or R11 may respectively or mutually, or together with an atom that bonds on Cy1, form a ring, R20 or R21 on Cy2 may respectively or mutually, or with an atom that bonds on Cy2, form a ring, m represents an integer of 0 to 5, n represents an integer of 0 to 5, p represents an integer of 0 to 5, and r represents an integer of 0 to 5).Type: GrantFiled: December 17, 2010Date of Patent: March 31, 2015Assignee: Nippon Soda Co., Ltd.Inventors: Isami Hamamoto, Keiji Koizumi, Makio Yano, Masahiro Kawaguchi, Hazumi Nomura, Tetsuya Haruyama
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Patent number: 8980912Abstract: The present invention provides a cyclic amine compound represented by formula (I) (in formula (I), Cy1 and Cy2 independently represent a C6-10 aryl group or a heterocyclyl group; R1a to R5a independently represent a hydrogen atom or an unsubstituted or substituted C1-6 alkyl group; R10, R11, R20 and R21 independently represent an unsubstituted or substituted C1-6 alkyl group, an unsubstituted or substituted C1-6 alkoxy group, a halogen atom or the like; m, n, p, and r each represent an integer of 0 to 5; and Y represents an oxygen atom or the like) or salt thereof, and an acaricide including the same.Type: GrantFiled: February 24, 2011Date of Patent: March 17, 2015Assignee: Nippon Soda Co., Ltd.Inventors: Isami Hamamoto, Keiji Koizumi, Masahiro Kawaguchi, Hisashi Tanigawa, Takehiko Nakamura, Tomomi Kobayashi
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Patent number: 8697867Abstract: Cyclic amine compounds represented by formula (1) or salts thereof or N-oxides thereof, wherein Cy1 represents an unsubstituted or substituted aromatic ring; X represents oxygen, sulfur, unsubstituted or substituted nitrogen, sulfinyl, or sulfonyl; R1a and R2a, R1a and R4a, R2a and R3a, or R3a and R4a form saturated rings together; R1a, R1b, R2a, R2b, R3a, R3b, R4a, R4b, and R5 which do not form the saturated rings are each independently hydrogen, hydroxyl, halogen, unsubstituted or substituted amino, nitro, or an organic group; Cy2 represents an unsubstituted or substituted aromatic ring with a proviso that Cy2 is an unsubstituted or substituted heteroaromatic ring when R1a and R2a form a saturated ring together and Cy1 is an unsubstituted or substituted phenyl, and Cy2 is a substituted pyridin-2-yl having one or more cyano as a substituent when Cy1 is an unsubstituted or substituted phenyl and Cy2 is a pyridin-2-yl.Type: GrantFiled: August 15, 2013Date of Patent: April 15, 2014Assignee: Nippon Soda Co., Ltd.Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Masahiro Kawaguchi, Daisuke Hanai, Takao Iwasa
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Publication number: 20130331569Abstract: Cyclic amine compounds represented by formula (1) or salts thereof or N-oxides thereof, wherein Cy1 represents an unsubstituted or substituted aromatic ring; X represents oxygen, sulfur, unsubstituted or substituted nitrogen, sulfinyl, or sulfonyl; R1a and R2a, R1a and R4a, R2a and R3a, or R3a and R4a form saturated rings together; R1a, R1b, R2a, R2b, R3a, R3b, R4a, R4b, and R5 which do not form the saturated rings are each independently hydrogen, hydroxyl, halogen, unsubstituted or substituted amino, nitro, or an organic group; Cy2 represents an unsubstituted or substituted aromatic ring with a proviso that Cy2 is an unsubstituted or substituted heteroaromatic ring when R1a and R2a form a saturated ring together and Cy1 is an unsubstituted or substituted phenyl, and Cy2 is a substituted pyridin-2-yl having one or more cyano as a substituent when Cy1 is an unsubstituted or substituted phenyl and Cy2 is a pyridin-2-yl.Type: ApplicationFiled: August 15, 2013Publication date: December 12, 2013Applicant: NIPPON SODA CO., LTD.Inventors: Isami HAMAMOTO, Jun TAKAHASHI, Makio YANO, Masahiro KAWAGUCHI, Daisuke HANAI, Takao IWASA
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Patent number: 8598367Abstract: The present invention offers compounds or their salts expressed by formula (I) (in the formula, X indicates an alkyl group, or the like; Y indicates an alkyl group; Z indicates a respectively independent nitro group, or the like; n indicates any integer from 0 to 3; A indicates carbon atom, or the like, and hydrogen atom is bonded thereto in the case where the carbon atom is not substituted with Z; D indicates oxygen atom, or the like; W indicates hydrogen atom, or the like; R1 and R2 indicate respectively independent hydrogen atoms, or the like; R1 and R2 may be bonded, and may form a heterocycle together with the nitrogen atom between R1 and R2).Type: GrantFiled: January 25, 2013Date of Patent: December 3, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Jyun Iwata, Masahiro Kawaguchi
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Patent number: 8574116Abstract: A compressor includes a housing, a compression mechanism, an input shaft rotatable on an axis thereof, an output shaft for driving the compression mechanism, a transmission for transmitting torque from the input shaft to the output shaft and also changing the rotating speed of the input shaft and a control device for controlling the operation of the transmission. The transmission includes a plurality of planetary rollers, a carrier rotatably supporting the respective planetary rollers and being integrally rotatable with the input shaft, a sun roller engaged with the respective planetary rollers and integrally rotatable with the output shaft and a ring roller engaged with the respective planetary rollers. The ring roller can be fixed to the housing or rotatable relative to the housing.Type: GrantFiled: March 25, 2011Date of Patent: November 5, 2013Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Yoshio Kimoto, Masaki Ota, Masahiro Kawaguchi, Nobuaki Hoshino, Toru Onishi
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Patent number: 8536340Abstract: Cyclic amine compounds represented by formula (1) or salts thereof or N-oxides thereof, wherein Cy1 represents an unsubstituted or substituted aromatic ring; X represents oxygen, sulfur, unsubstituted or substituted nitrogen, sulfinyl, or sulfonyl; R1a and R2a, R1a and R4a, R2a and R3a, or R3a and R4a form saturated rings together; R1a, R1b, R2a, R2b, R3a, R3b, R4a, R4b, and R5 which do not form the saturated rings are each independently hydrogen, hydroxyl, halogen, unsubstituted or substituted amino, nitro, or an organic group; Cy2 represents an unsubstituted or substituted aromatic ring with a proviso that Cy2 is an unsubstituted or substituted heteroaromatic ring when R1a and R2a form a saturated ring together and Cy1 is an unsubstituted or substituted phenyl, and Cy2 is a substituted pyridin-2-yl having one or more cyano as a substituent when Cy1 is an unsubstituted or substituted phenyl and Cy2 is a pyridin-2-yl.Type: GrantFiled: June 21, 2011Date of Patent: September 17, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Masahiro Kawaguchi, Daisuke Hanai, Takao Iwasa
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Patent number: 8517880Abstract: A compressor includes a housing, a compression mechanism, an input shaft rotatable on an axis thereof, an output shaft for driving the compression mechanism, a transmission for transmitting torque from the input shaft to the output shaft and changing the speed of the input shaft and a control device. The transmission is a planetary roller train and includes a plurality of planetary rollers, a carrier, a sun roller and a ring roller. The ring roller includes a first ring engaging the respective planetary rollers and a second ring supporting a one-way clutch. The ring roller can be movable relative to the housing in the direction parallel to the axis. The first ring and the second ring are connected so that the first ring can be displaced in a radial direction, integrally rotatable with the second ring and movable with the second ring in the direction parallel to the axis.Type: GrantFiled: March 16, 2011Date of Patent: August 27, 2013Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Nobuaki Hoshino, Masaki Ota, Masahiro Kawaguchi, Yoshio Kimoto, Toru Onishi
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Patent number: 8360742Abstract: A swash plate compressor capable of realizing an excellent sliding characteristic when a drive shaft is rotated at high speed, and a high refrigerating capacity when the drive shaft is rotated at low speed, has a release passage for communication between a crank chamber and a suction chamber. The release passage includes a first passage communicated to an oil rich region, in the crank chamber, and a second passage communicated to an oil poor region, in which lubricating oil is small in quantity, in the crank chamber. A valve mechanism that increases an opening ratio of the first passage with respect to the release passage, as a rotational speed of a drive shaft increases, and increases an opening ratio of the second passage with respect to the release passage, as the rotational speed of the drive shaft decreases.Type: GrantFiled: January 29, 2009Date of Patent: January 29, 2013Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Yoshio Kimoto, Masaki Ota, Nobuaki Hoshino, Masahiro Kawaguchi
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Patent number: 8362257Abstract: The present invention offers compounds or their salts expressed by formula (I) (in the formula, X indicates an alkyl group, or the like; Y indicates an alkyl group; Z indicates a respectively independent nitro group, or the like; n indicates any integer from 0 to 3; A indicates carbon atom, or the like, and hydrogen atom is bonded thereto in the case where the carbon atom is not substituted with Z; D indicates oxygen atom, or the like; W indicates hydrogen atom, or the like; R1 and R2 indicate respectively independent hydrogen atoms, or the like; R1 and R2 may be bonded, and may form a heterocycle together with the nitrogen atom between R1 and R2).Type: GrantFiled: September 15, 2009Date of Patent: January 29, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Jyun Iwata, Masahiro Kawaguchi
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Patent number: 8338607Abstract: Agents for pest control comprising cyclic amine compounds represented by the formula (1) or salts thereof or N-oxides thereof as an active ingredient, wherein Cy1 represents an unsubstituted or substituted 5-membered heterocycle or unsubstituted or substituted group represented by the formula (a) below, wherein Y1 and Y2 each independently represents nitrogen or carbon and symbol * represents the bonding positions.Type: GrantFiled: October 6, 2006Date of Patent: December 25, 2012Assignee: Nippon Soda Co., Ltd.Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Masahiro Kawaguchi, Daisuke Hanai, Takao Iwasa
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Publication number: 20120309964Abstract: The present invention provides a cyclic amine compound represented by formula (I) (in formula (I), Cy1 and Cy2 independently represent a C6-10 aryl group or a heterocyclyl group; R1a to R5a independently represent a hydrogen atom or an unsubstituted or substituted C1-6 alkyl group; R10, R11, R20 and R21 independently represent an unsubstituted or substituted C1-6 alkyl group, an unsubstituted or substituted C1-6 alkoxy group, a halogen atom or the like; m, n, p, and r each represent an integer of 0 to 5; and Y represents an oxygen atom or the like) or salt thereof, and an acaricide including the same.Type: ApplicationFiled: February 24, 2011Publication date: December 6, 2012Inventors: Isami Hamamoto, Keiji Koizumi, Masahiro Kawaguchi, Hisashi Tanigawa, Takehiko Nakamura, Tomomi Kobayashi
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Publication number: 20120301341Abstract: A compressor includes a valve plate, a suction reed valve, and a seat surface. The valve plate has a suction port that communicates with a compression chamber and a suction chamber. The suction reed valve can open and close the suction port. The seat surface is formed on the valve plate, and is abutted with the suction reed valve when the suction reed valve closes the suction port. The seat surface includes a flat seal surface surrounding the suction port, and a groove surrounding the seal surface. The valve portion of the suction reed valve includes a flat sealing surface which is brought into close contact with the seal surface to close the suction port. The seat surface has a plurality of protrusions which space the seal surface from the sealing surface when the pressures of the compression chamber and the suction chamber are identical.Type: ApplicationFiled: January 26, 2011Publication date: November 29, 2012Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Masaki Ota, Masakazu Murase, Hiroshi Kubo, Noriaki Satake, Masahiro Kawaguchi
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Publication number: 20120289700Abstract: Provided is a cyclic amine compound, represented by the following formula (I) that has superior acaricidal activity, has superior properties and safety, and which can be synthesized industrially advantageously, a salt thereof and an acaricide: (wherein, Cy1 and Cy2 respectively and independently represent, for example, an aryl group, R1a, R1b, R2a, R2b, R3a, R3b, R4a, R4b and R5a respectively and independently represent, for example, a hydrogen atom, R1a and R2a or R3a and R4a may together form, for example, an ethylene group, R10, R11, R20 and R21 respectively and independently represent, for example, an alkyl group, R10 or R11 may respectively or mutually, or together with an atom that bonds on Cy1, form a ring, R20 or R21 on Cy2 may respectively or mutually, or with an atom that bonds on Cy2, form a ring, m represents an integer of 0 to 5, n represents an integer of 0 to 5, p represents an integer of 0 to 5, and r represents an integer of 0 to 5).Type: ApplicationFiled: December 17, 2010Publication date: November 15, 2012Inventors: Isami Hamamoto, Keiji Koizumi, Makio Yano, Masahiro Kawaguchi, Hazumi Nomura, Tetsuya Haruyama
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Patent number: 8303270Abstract: A motor-driven compressor includes a housing having an inlet port, a compression mechanism for compression of refrigerant introduced from an external refrigerant circuit via the inlet port into the housing, an inverter having a heat-generating component, an electric motor driven by the inverter, and a rotary shaft rotated by the electric motor thereby to drive the compression mechanism. The electric motor, the compression mechanism and the inverter are aligned in the housing in axial direction of the rotary shaft. An inlet pipe is connected to the inlet port. The housing has an outer peripheral surface in contact with the inlet pipe. The heat-generating component of the inverter is disposed adjacent to or in contact with the inlet pipe so as to be thermally coupled to the inlet pipe.Type: GrantFiled: December 12, 2008Date of Patent: November 6, 2012Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Masao Iguchi, Masahiro Kawaguchi, Ken Suitou, Tatsushi Mori, Hiroshi Fukasaku
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Patent number: 8292596Abstract: A variable displacement type compressor in which a discharge-pressure region, a suction-pressure region and a pressure control chamber are defined, has a tiltable swash plate and a piston reciprocated by the swash plate in the pressure control chamber. The inclination angle of the swash plate and the piston stroke are changed by adjustment of pressure in the pressure control chamber thereby to control the displacement of the compressor. The compressor further comprises a supply passage for supplying refrigerant gas from the discharge-pressure region to the pressure control chamber, a release passage for releasing the refrigerant gas from the pressure control chamber to the suction-pressure region, a first control valve for adjusting a cross-sectional area of the supply passage from the discharge-pressure region to the pressure control chamber and a second control valve for adjusting cross-sectional area of the release passage.Type: GrantFiled: April 24, 2009Date of Patent: October 23, 2012Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Masaki Ota, Masahiro Kawaguchi, Hideharu Yamashita, Hiroshi Kubo, Ryo Matsubara
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Patent number: 8288393Abstract: The present invention relates to a nitrogen-containing heterocyclic compound or salt thereof, represented by the following formula (I), and a pest control agent containing the compound or salt thereof, as an active ingredient of the pest control agent: (wherein, R0 represents a halogen atom, or the like; Z represents an unsubstituted or substituted aryl group, or the like; Y represents a nitro group, or the like; n represents an integer of 0 to 3; D represents a 5-membered to 8-membered hydrocarbon ring group or heterocyclic group; X represents a functional group represented by the following formula (II)-1 or formula (II)-2: (wherein, in the formula (II)-1, the dotted line represents a single bond or double bond, and R1 and R2 respectively and independently represent a hydrogen atom, nitro group, hydroxyl group, mercapto group, unsubstituted or substituted amino group, or organic group; and, in the formula (II-2), W represents an oxygen atom or sulfur atom; and, R11 represents a hydrogen atom, hydroxType: GrantFiled: August 11, 2008Date of Patent: October 16, 2012Assignee: Nippon Soda Co., Ltd.Inventors: Jyun Iwata, Masahiro Kawaguchi