Patents by Inventor Keita Abe
Keita Abe 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: 12143099Abstract: A switching element driving method executed in a switching element driving device including a plurality of switching elements and a driving circuit configured to drive the plurality of switching elements, the switching element driving method including: detecting temperatures of the plurality of switching elements; calculating a switching determination temperature that serves as a reference for changing switching speeds of the switching elements from the plurality of detected temperatures; and changing the switching speeds of all the switching elements based on the switching determination temperature.Type: GrantFiled: August 28, 2020Date of Patent: November 12, 2024Assignee: Nissan Motor Co., Ltd.Inventors: Yuka Okuyama, Kazushige Namiki, Keita Abe
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Publication number: 20230327658Abstract: A switching element driving method executed in a switching element driving device including a plurality of switching elements and a driving circuit configured to drive the plurality of switching elements, the switching element driving method including: detecting temperatures of the plurality of switching elements; calculating a switching determination temperature that serves as a reference for changing switching speeds of the switching elements from the plurality of detected temperatures; and changing the switching speeds of all the switching elements based on the switching determination temperature.Type: ApplicationFiled: August 28, 2020Publication date: October 12, 2023Applicant: Nissan Motor Co., Ltd.Inventors: Yuka Okuyama, Kazushige Namiki, Keita Abe
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Patent number: 11633335Abstract: The present invention relates to a skin cleansing composition which can sufficiently exhibit an excellent keratotic plug-removing effect without a burden such as pain and irritation on the skin. The skin cleansing composition comprises 0.08 mass % or more and 35 mass % or less of (X) 2-amino-2-methyl-1-propanol and has a pH of 9.3 or more and 12.5 or less at 25° C.Type: GrantFiled: April 6, 2018Date of Patent: April 25, 2023Assignee: KAO CORPORATIONInventors: Keita Abe, Toshiaki Ozawa, Yuri Okutani, Daisuke Sawa
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Patent number: 11424689Abstract: A power conversion device includes a case, a power module, a smoothing capacitor and a high-voltage connection portion. The power module is housed in the case. The smoothing capacitor is fixed to the case by capacitor fixing bolt, and suppresses voltage fluctuations. In the high-voltage connection portion, the power module and the smoothing capacitor are electrically connected. The locations at which the smoothing capacitor is fixed to the case by the capacitor fixing bolts correspond to the capacitor fixing points. The capacitor fixing points are arranged at positions that avoid corner portions of the smoothing capacitor. The power module and the smoothing capacitor are disposed adjacent to each other at the high-voltage connection portion.Type: GrantFiled: June 15, 2017Date of Patent: August 23, 2022Assignee: Nissan Motor Co., Ltd.Inventor: Keita Abe
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Patent number: 11406849Abstract: The present invention relates to a skin cleansing composition which can sufficiently exhibit an excellent keratotic plug-removing effect without a burden, such as pain and irritation, on the skin. The skin cleansing composition comprises the following components (X) and (Y): (X): one or more selected from the group consisting of 2-amino-2-hydroxymethyl-1,3-propanediol, 2-amino-2-methyl-1-propanol, and 2-amino-2-methyl-1,3-propanediol; and (Y): a basic material other than component (X), and has a pH of 8.3 or more and 12.5 or less at 25° C.Type: GrantFiled: April 6, 2018Date of Patent: August 9, 2022Assignee: KAO CORPORATIONInventors: Keita Abe, Daisuke Sawa, Yuri Okutani, Toshiaki Ozawa
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Patent number: 11224561Abstract: The present invention relates to a skin cleansing composition which can sufficiently exhibit an excellent keratotic plug-removing effect without a burden such as pain and irritation on the skin. A skin cleansing composition comprises 0.08 mass % or more and 35 mass % or less of (X) 2-amino-2-methyl-1,3-propanediol and has a pH of 8.5 or more and 12.5 or less at 25° C.Type: GrantFiled: April 6, 2018Date of Patent: January 18, 2022Assignee: KAO CORPORATIONInventors: Keita Abe, Toshiaki Ozawa, Yuri Okutani, Daisuke Sawa
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Publication number: 20210101029Abstract: The present invention relates to a skin cleansing composition which can sufficiently exhibit an excellent keratotic plug-removing effect without a burden, such as pain and irritation, on the skin. The skin cleansing composition comprises the following components (X) and (Y): (X): one or more selected from the group consisting of 2-amino-2-hydroxymethyl-1,3-propanediol, 2-amino-2-methyl-1-propanol, and 2-amino-2-methyl-1,3-propanediol; and (Y): a basic material other than component (X), and has a pH of 8.3 or more and 12.5 or less at 25° C.Type: ApplicationFiled: April 6, 2018Publication date: April 8, 2021Applicant: KAO CORPORATIONInventors: Keita ABE, Daisuke SAWA, Yuri OKUTANI, Toshiaki OZAWA
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Publication number: 20210044247Abstract: A device protection apparatus comprises, a refrigerant temperature sensor for detecting a temperature of a refrigerant used for cooling a device including a heat-generation part, a plurality of device temperature sensors for detecting a temperature of the device, a controller that applies drive limitation to the device based on a detected refrigerant temperature detected by the refrigerant temperature sensor and a detected temperature detected by the device temperature sensors.Type: ApplicationFiled: April 11, 2018Publication date: February 11, 2021Applicant: NISSAN MOTOR CO., LTD.Inventors: Kazushige NAMIKI, Keita ABE, Masahiko EDUMI, Shinji KAWAGUCHI
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Publication number: 20200382014Abstract: A power conversion device includes a case, a power module, a smoothing capacitor and a high-voltage connection portion. The power module is housed in the case. The smoothing capacitor is fixed to the case by capacitor fixing bolt, and suppresses voltage fluctuations. In the high-voltage connection portion, the power module and the smoothing capacitor are electrically connected. The locations at which the smoothing capacitor is fixed to the case by the capacitor fixing bolts correspond to the capacitor fixing points. The capacitor fixing points are arranged at positions that avoid corner portions of the smoothing capacitor. The power module and the smoothing capacitor are disposed adjacent to each other at the high-voltage connection portion.Type: ApplicationFiled: June 15, 2017Publication date: December 3, 2020Inventor: Keita ABE
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Publication number: 20200155433Abstract: The present invention relates to a skin cleansing composition which can sufficiently exhibit an excellent keratotic plug-removing effect without a burden such as pain and irritation on the skin. A skin cleansing composition comprises 0.08 mass % or more and 35 mass % or less of (X) 2-amino-2-methyl-1,3-propanediol and has a pH of 8.5 or more and 12.5 or less at 25° C.Type: ApplicationFiled: April 6, 2018Publication date: May 21, 2020Applicant: KAO CORPORATIONInventors: Keita ABE, Toshiaki OZAWA, Yuri OKUTANI, Daisuke SAWA
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Publication number: 20200155434Abstract: The present invention relates to a skin cleansing composition which can sufficiently exhibit an excellent keratotic plug-removing effect without a burden, such as pain and irritation, on the skin. The skin cleansing composition comprises 0.08 mass % or more and 35 mass % or less of (X) 2-amino-2-hydroxymethyl-1,3-propanediol and has a pH of 8.6 or more and 12.5 or less at 25° C.Type: ApplicationFiled: April 6, 2018Publication date: May 21, 2020Applicant: KAO CORPORATIONInventors: Keita ABE, Toshiaki OZAWA, Yuri OKUTANI, Daisuke SAWA
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Publication number: 20200121577Abstract: The present invention relates to a skin cleansing composition which can sufficiently exhibit an excellent keratotic plug-removing effect without a burden such as pain and irritation on the skin. The skin cleansing composition comprises 0.08 mass % or more and 35 mass % or less of (X) 2-amino-2-methyl-1-propanol and has a pH of 9.3 or more and 12.5 or less at 25° C.Type: ApplicationFiled: April 6, 2018Publication date: April 23, 2020Applicant: KAO CORPORATIONInventors: Keita ABE, Toshiaki OZAWA, Yuri OKUTANI, Daisuke SAWA
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Publication number: 20190021499Abstract: Providing an overturn preventing device which can prevent an article from overturn while maintaining the mounted state against an earthquake or the like with multidirectional shaking. The overturn preventing device includes a damper and a pair of a first base and a second base. The damper is mounted between a top surface of a piece of furniture installed on a floor and a ceiling. Two ends of the damper are respectively coupled to the first and second bases so as to be swingable in multiple directions. The first base abuts against the top surface of the furniture and the second base abuts against the ceiling.Type: ApplicationFiled: February 20, 2017Publication date: January 24, 2019Applicant: KYB CORPORATIONInventors: Masakazu NAKAZATO, Keita ABE, Atsushi TOYOUCHI
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Patent number: 9877585Abstract: Providing an overturn preventing device which can easily be mounted between a top surface of a piece of furniture and a ceiling while an axis line of a damper relative to a vertical direction is inclined at an angle ranging from 15° to 25°. The overturn preventing device includes a damper, a first base portion and a second base portion. The first base portion has a first abutting surface and a first connection. The first base portion is mounted on the top surface of the furniture. The second base portion has a second abutting surface and a second connection. The second base portion is mounted on the ceiling. A relation, X+L sin 15°?Y?X+L sin 25°, is obtained where reference symbol X designates a distance from the first abutting surface to the first connection, reference symbol L designates a length of the damper and reference symbol Y designates a distance from the second abutting surface the second connection.Type: GrantFiled: August 6, 2015Date of Patent: January 30, 2018Assignee: KYB CORPORATIONInventors: Shinichi Sekine, Eiro Fujita, Yasushi Saito, Masanori Ogura, Teruhiko Inoue, Kenji Isshin, Keita Abe
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Patent number: 9872564Abstract: Providing an overturn preventing device which can successfully prevent overturn of an article. The overturn preventing device includes a damper mounted between a piece of furniture and a ceiling and a setting member connected to both ends of the damper. The setting member has a first setting part body and a second setting part body. The first and second setting part bodies and of the setting member are spread when the overturn preventing device is mounted between the furniture and the ceiling. The setting member assumes such a shape as to extend in one direction when the first and second setting part bodies and are unspread.Type: GrantFiled: August 6, 2015Date of Patent: January 23, 2018Assignee: KYB CORPORATIONInventors: Yasuo Tsuyuki, Masakazu Nakazato, Shinichi Sekine, Masanori Ogura, Teruhiko Inoue, Kenji Isshin, Keita Abe
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Publication number: 20170354251Abstract: Providing a vibration damping shelf which can suppress fall of articles placed on a shelf member while suppressing shake of other articles or the like. The vibration damping shelf includes a damper and shelf plates. The damper has two ends mounted, on a top surface of a piece of furniture and a ceiling spaced from each other in an up-down direction. The shelf plates are held on the damper.Type: ApplicationFiled: December 14, 2015Publication date: December 14, 2017Applicant: KYB CORPORATIONInventors: Shinichi SEKINE, Yasushi SAITO, Masanori OGURA, Teruhiko INOUE, Kenji ISSHIN, Keita ABE
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Publication number: 20170340115Abstract: Providing an overturn preventing device which can easily be mounted and can prevent articles from overturn. The overturn preventing device includes an abutting part and a connecting part. The abutting part abuts against a ceiling. The abutting part is disposed so as to extend in one direction while gradually departing from the ceiling. The connecting part has two ends one of which is connected to an end of the abutting part away from the ceiling and the other of which is disposed on a top surface of a piece of furniture. The abutting part is elastically deformed with tilt of the furniture, so that an area of a part of the abutting part abutting against the ceiling is increased.Type: ApplicationFiled: December 3, 2015Publication date: November 30, 2017Applicant: KYB CORPORATIONInventors: Shinichi SEKINE, Masanori OGURA, Teruhiko INOUE, Kenji ISSHIN, Keita ABE
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Publication number: 20170284087Abstract: Providing an overturn preventing device which is easy in handling such as carrying. The overturn preventing device includes a damper, a first base portion, a second base portion and a connecting tool. The damper is mounted between a top surface of furniture and a ceiling. An expansion force of compressed gas filling a cylinder is applied to the damper in a direction such that a length of the damper is increased. The first base portion is rotatably connected to one of two ends of the damper and has a first abutting surface which abuts against the top surface of the furniture. The second base portion is rotatably connected to the other end of the damper and has a second abutting surface which abuts against the ceiling. The connecting tool maintains a folded state in which the damper is contracted so that the first base portion and the second base portion come close to each other.Type: ApplicationFiled: August 6, 2015Publication date: October 5, 2017Applicant: KYB CORPORATIONInventors: Eiro FUJITA, Yasushi SAITO, Masanori OGURA, Teruhiko INOUE, Kenji ISSHIN, Keita ABE
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Publication number: 20170251811Abstract: Providing an overturn preventing device which can be mounted to an article such as furniture irrespective of an installation location of the article and which can prevent the article from being overturned by quakes of an earthquake or the like. The overturn preventing device includes a plurality of dampers mounted between a top surface of the furniture installed on a floor surface and a ceiling. The dampers are compression damper that has a smaller damping force generated during an extending operation than a damping force generated during a compressing operation. The dampers have respective axis lines extending from a ceiling side to the top surface side of the furniture, and the axis lines are downwardly inclined and extend in a plurality of directions in a planar view as viewed from above when the dampers are mounted between the top surface of the furniture and the ceiling.Type: ApplicationFiled: July 31, 2015Publication date: September 7, 2017Applicant: KYB CORPORATIONInventors: Shinichi SEKINE, Eiro FUJITA, Yasushi SAITO, Masanori OGURA, Teruhiko INOUE, Kenji ISSHIN, Keita ABE
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Publication number: 20170231389Abstract: Providing an overturn preventing device which can easily be mounted between a top surface of a piece of furniture and a ceiling while an axis line of a damper relative to a vertical direction is inclined at an angle ranging from 15° to 25°. The overturn preventing device includes a damper, a first base portion and a second base portion. The first base portion has a first abutting surface and a first connection. The first base portion is mounted on the top surface of the furniture. The second base portion has a second abutting surface and a second connection. The second base portion is mounted on the ceiling. A relation, X+L sin 15°?Y?X+L sin 25°, is obtained where reference symbol X designates a distance from the first abutting surface to the first connection, reference symbol L designates a length of the damper and reference symbol Y designates a distance from the second abutting surface the second connection.Type: ApplicationFiled: August 6, 2015Publication date: August 17, 2017Applicant: KYB CORPORATIONInventors: Shinichi SEKINE, Eiro FUJITA, Yasushi SAITO, Masanori OGURA, Teruhiko INOUE, Kenji ISSHIN, Keita ABE