Patents by Inventor Tomoyuki Suzuki
Tomoyuki Suzuki 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: 10944351Abstract: A motor drive control device capable of reducing the occurrence of vibration in a simple circuit configuration is provided. The motor drive control device (1) includes a motor drive unit (2) that selectively energizes coils with a plurality of phases (Lu, Lv and Lw) of a motor (20) and a control circuit (4) that outputs a drive control signal (Sd) which is a PWM signal to the motor drive unit (2) and thereby controls driving of the motor (20) while switching energization phases of the coils with the plurality of phases (Lu, Lv and Lw) energized by the motor drive unit (2) in predetermined order. The control circuit (4) executes reduction control to temporarily reduce a duty ratio of the drive control signal (Sd) every time a period of 1/m (m is an integer of 2 or more) of a switching cycle of the energization phases elapses after switching the energization phases.Type: GrantFiled: June 12, 2018Date of Patent: March 9, 2021Assignee: MINEBEA MITSUMI INC.Inventors: Hiroyuki Kaidu, Yuji Omura, Tomoyuki Suzuki
-
Publication number: 20200392285Abstract: To provide a polyether polyol having a high degree of freedom in the design of a polyurethane foam, and capable of providing a polyol system solution excellent in storage stability. A polyether polyol having a polyoxyalkylene chain consisting of oxyalkylene units, and having a degree of unsaturation of at most 0.020 meq/g, a hydroxy value of from 1 to 80 mgKOH/g, a content of oxyethylene units of from 0 to 50 mass %, and a content of ultra-high molecular weight components which have molecular weights of from 12 to 46 times the number average molecular weight of at most 1,000 mass ppm. The number average molecular weight is a molecular weight as calculated as polystyrene measured by gel permeation chromatography (GPC) method, and the content of ultra-high molecular weight components is a value measured by high performance liquid chromatography (HPLC) method using a charged aerosol detector (CAD).Type: ApplicationFiled: August 5, 2020Publication date: December 17, 2020Applicant: AGC IncInventors: Shinji OKADA, Norihito MIYAGAWA, Tomoyuki SUZUKI, Takayuki SASAKI, Takashi ITO
-
Patent number: 10843183Abstract: An isolation device for supplying a workspace with clean air resulting from dust filtration by an air cleaning means accurately manages the number of fine particles in a workspace and prevents fine particles from mixing with an experimental material. The isolation device includes a measurement probe; a particle counter for measuring the fine-particle counts for a plurality of particle sizes in the workspace air and outputting the measurements; a storage unit for storing, for each of the plurality of particle sizes and for work times and non-work times, management fine-particle counts at which the number of fine particles per unit volume is determined to be large; a cleanliness determination unit that compares the fine particle counts and the management fine-particle counts; and an output unit for outputting an alarm when the work-time/non-work time fine particle count for a particle size in the workspace exceeds the corresponding management fine-particle count.Type: GrantFiled: May 12, 2017Date of Patent: November 24, 2020Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Keiichi Ono, Tomoyuki Suzuki
-
Patent number: 10811989Abstract: An inverter unit with reduced wiring impedance that includes a switching element unit and a capacitor unit is implemented. A capacitor unit 4 includes first portions 41 with a first length L1 which is a length in a first direction D1 orthogonal to a reference plane R1 of an inverter unit; and second portions 42 with a second length L2 shorter than the first length L1, and the first portions 41 and the second portions 42 are disposed adjacent to each other along the reference plane R1. The switching element unit 3 is disposed so as to overlap the second portions 42 as viewed in the first direction D1, and overlap the first portions 41 as viewed in a second direction D2 which is a direction in which the first portions 41 and the second portions 42 are arranged along the reference plane R1.Type: GrantFiled: March 22, 2018Date of Patent: October 20, 2020Assignee: AISIN AW CO., LTD.Inventors: Tomoyuki Suzuki, Masaru Nitta
-
Patent number: 10781312Abstract: Provided is a thermally conductive member having excellent thermal resistance and insulating properties.The thermally conductive member includes a silicone resin, a thermally conductive filler having a larger particle diameter from 30 um to 100 ?m, a thermally conductive filler having a smaller particle diameter of not greater than 10 um, and mica having a particle diameter of not greater than 10 um and an aspect ratio of not greater than 50. The mica is added at a ratio of from 0.9 to 11 parts by mass relative to 100 parts by mass of the silicone resin.Type: GrantFiled: January 27, 2017Date of Patent: September 22, 2020Assignee: KITAGAWA INDUSTRIES CO., LTD.Inventors: Tomoyuki Suzuki, Yasuo Kondo, Takashi Mizuno, Yasuhiro Kawaguchi, Satoshi Deguchi
-
Publication number: 20200295642Abstract: A motor unit includes: a first rotating electric machine which includes a cylindrical first stator, a first rotor disposed coaxially with the first stator, a first shaft disposed coaxially with the first rotor, and a cylindrical first casing accommodating the first stator and the first rotor; a second rotating electric machine which includes a cylindrical second stator, a second rotor disposed coaxially with the second stator, a second shaft disposed coaxially with the second rotor, and a cylindrical second casing accommodating the second stator and the second rotor; a single drive device which is integrally fixed across a peripheral surface in a diameter direction of the first rotor in the first casing and a peripheral surface in a diameter direction of the second rotor in the second casing; and a surface-matching fixing portion which is fixed by a fixing member while an axial end surface of the first casing comes into contact with an axial end surface of the second casing.Type: ApplicationFiled: March 10, 2020Publication date: September 17, 2020Inventors: Manabu Yazaki, Tomoyuki Suzuki, Sachio Kawada, Yasuyuki Saito, Hiroshi Hamano, Tsuyoshi Harada
-
Publication number: 20200295629Abstract: Disclosed is a motor unit that includes: a rotary electrical machine that has a cylindrical stator, a rotor disposed coaxially with the stator, a shaft disposed coaxially with the rotor, and a cylindrical case that houses the stator and the rotor; and a drive unit that has a swell swelling toward the case and is fixed to a circumferential surface that is located in a radial direction of the rotor and is the case. The case has a recess that corresponds to the swell.Type: ApplicationFiled: March 10, 2020Publication date: September 17, 2020Inventors: Manabu Yazaki, Keiichiro Kashiwabara, Tomoyuki Suzuki, Heisuke Kobayashi, Takeshi Hoshinoya, Sachio Kawada, Akira Fujiwara, Yasuyuki Saito, Hiroshi Hamano, Tsuyoshi Harada
-
Publication number: 20200244207Abstract: A motor drive control device capable of reducing the occurrence of vibration in a simple circuit configuration is provided. The motor drive control device (1) includes a motor drive unit (2) that selectively energizes coils with a plurality of phases (Lu, Lv and Lw) of a motor (20) and a control circuit (4) that outputs a drive control signal (Sd) which is a PWM signal to the motor drive unit (2) and thereby controls driving of the motor (20) while switching energization phases of the coils with the plurality of phases (Lu, Lv and Lw) energized by the motor drive unit (2) in predetermined order. The control circuit (4) executes reduction control to temporarily reduce a duty ratio of the drive control signal (Sd) every time a period of 1/m (m is an integer of 2 or more) of a switching cycle of the energization phases elapses after switching the energization phases.Type: ApplicationFiled: June 12, 2018Publication date: July 30, 2020Inventors: Hiroyuki KAIDU, Yuji OMURA, Tomoyuki SUZUKI
-
Patent number: 10712000Abstract: An ash discharge system has a conveyor device which transports clinker ash out of a region that is below a furnace bottom of a boiler furnace; and a separation device provided at a passage of the clinker ash from the furnace bottom to the conveyor device, the separation device including a separator which permits the clinker ash with a predetermined size or less to pass through the separator, and inhibits a large-mass clinker from passing through the separator, the large-mass clinker being the clinker ash with a size larger than the predetermined size.Type: GrantFiled: December 2, 2016Date of Patent: July 14, 2020Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Yasutaka Ozeki, Yoshihiko Takemura, Tomoyuki Suzuki, Kei Takakura, Hiroshi Ito, Keiichi Mashio, Hiroshi Aoyagi, Takeshi Kawana, Akira Yamashita, Ryutaro Okada, Keita Tsunemori
-
Publication number: 20200204083Abstract: In an inverter module (10) including a plurality of switching elements (11), a positive-polarity bus bar (14), a negative-polarity bus bar (15), and a plurality of output bus bars (16, 17, and 18), the plurality of output bus bars (16, 17, and 18) are disposed in a first direction (D1) in which upper-stage-side switching elements (11U) and lower-stage-side switching elements (11L) are placed side by side, and the positive-polarity bus bar (14) and the negative-polarity bus bar (15) are disposed in a second direction (D2) intersecting the first direction (D1).Type: ApplicationFiled: September 10, 2018Publication date: June 25, 2020Applicants: AISIN AW CO., LTD., AISIN SEIKI KABUSHIKI KAISHAInventors: Yutaka HOTTA, Tomoyuki SUZUKI, Kaoru SHIMANO, Yasuhiro KUME, Takeshi IKEYAMA, Toshiyuki FUKUHARA
-
Publication number: 20200165453Abstract: Provided is a thermally conductive member having excellent thermal resistance and insulating properties. The thermally conductive member includes a silicone resin, a thermally conductive filler having a larger particle diameter from 30 ?m to 100 ?m, a thermally conductive filler having a smaller particle diameter of not greater than 10 ?m, and mica having a particle diameter of not greater than 10 ?m and an aspect ratio of not greater than 50. The mica is added at a ratio of from 0.9 to 11 parts by mass relative to 100 parts by mass of the silicone resin.Type: ApplicationFiled: January 27, 2017Publication date: May 28, 2020Applicant: Kitagawa Industries Co., Ltd.Inventors: Tomoyuki SUZUKI, Yasuo KONDO, Takashi MIZUNO, Yasuhiro KAWAGUCHI, Satoshi DEGUCHI
-
Publication number: 20200149762Abstract: To provide a biosafety cabinet that issues a warning if exhaust duct connection is performed in an improper method.Type: ApplicationFiled: May 22, 2018Publication date: May 14, 2020Inventors: Keiichi ONO, Tomoyuki SUZUKI
-
Publication number: 20200144451Abstract: Fabricating a high-quality nitride semiconductor crystal at a lower temperature. A nitride semiconductor crystal is fabricated by supplying onto a substrate (105) a group III element and/or a compound thereof, a nitrogen element and/or a compound thereof and an Sb element and/or a compound thereof, all of which serve as materials, and thereby vapor-growing at least one layer of nitride semiconductor film (104). A supply ratio of the Sb element to the nitrogen element in a growth process of the at least one layer of the nitride semiconductor film (104) is set to not less than 0.004.Type: ApplicationFiled: January 9, 2020Publication date: May 7, 2020Applicant: MEIJO UNIVERSITYInventors: Tetsuya TAKEUCHI, Tomoyuki SUZUKI, Hiroki SASAJIMA, Motoaki IWAYA, Isamu AKASAKI
-
Patent number: 10622874Abstract: A fan apparatus comprises a stator unit, a rotor unit comprising an impeller, and a casing that houses the stator unit and the rotor unit. The casing comprise a side wall portion that surrounds a periphery of the impeller, a base portion that holds the stator unit and the rotor unit, and a plurality of connection portions that connect the side wall portion and the base portion. The casing is formed by at least two members including a first member and a second member coupled to the first member. The first member includes at least one of the connection portions and at least part of the base portion, and the second member includes at least one of the connection portions.Type: GrantFiled: January 6, 2017Date of Patent: April 14, 2020Assignee: MINEBEA MITSUMI INC.Inventor: Tomoyuki Suzuki
-
Patent number: 10608385Abstract: A connector structure installed in the electric vehicle includes a plurality of connectors, an inter-connector conductive member configured to electrically connect the plurality of connectors, and a connector casing configured to house the inter-connector conductive member. A cover is attached to the unused connector of the plurality of connectors.Type: GrantFiled: June 6, 2019Date of Patent: March 31, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Miharu Kiyuna, Yusuke Ozaki, Tomoyuki Suzuki, Ayumu Uno, Yasuhisa Kume, Makoto Kawahara
-
Publication number: 20200092594Abstract: [Object] To make it possible to effectively guide a user to related content pertaining to a distribution program. [Solution] Provided is an information processing device including: an extraction unit configured to, on the basis of log information pertaining to a distribution program and acquired from a distribution destination device, extract a target distribution destination device from a plurality of the distribution destination devices; an identifier specifying unit configured to acquire an identifier of a guidance target associated with an identifier of the target distribution destination device; and a guidance control unit configured to cause the guidance target to display guidance information that directs to related content pertaining to the distribution program on the basis of the identifier of the guidance target.Type: ApplicationFiled: October 30, 2017Publication date: March 19, 2020Applicant: SONY NETWORK COMMUNICATIONS INC.Inventors: Wataru KASAI, Tomoyuki SUZUKI, Tetsuro KIDA, Yohei HASHIMOTO, Yutaka KIMURA, Taku SEIMIYA, Makoto SUNAYAMA, So KATAGIRI, Asuka MOMOSE
-
Patent number: 10562072Abstract: A grizzly apparatus includes a plurality of grizzly bars arranged at predetermined intervals in a second direction perpendicular to a first direction which is an extension direction of center axes of the grizzly bars. Each of the plurality of grizzly bars is rotatable in a direction opposite to a direction of rotation of its adjacent grizzly bar so that a slit through which a screening target object passes and a gap through which the screening target object does not pass alternately emerge, between adjacent grizzly bars. The guide includes an outer member forming its outer shape, and has at least one guide surface inclined with respect to the second direction in such a way that the guide surface descends as the guide surface advances in the second direction toward the slit to guide the screening target object having fallen onto the guide to the slit.Type: GrantFiled: December 2, 2016Date of Patent: February 18, 2020Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Yasutaka Ozeki, Yoshihiko Takemura, Tomoyuki Suzuki, Kei Takakura, Hiroshi Ito, Keiichi Mashio, Hiroshi Aoyagi, Takeshi Kawana, Akira Yamashita, Ryutaro Okada, Keita Tsunemori
-
Publication number: 20200041663Abstract: According to one embodiment, a photon counting-type radiation detector includes a first cell and a second cell. The first cell transmits radiation. The second cell is stacked with the first cell. The second cell absorbs the radiation passing through the first cell.Type: ApplicationFiled: October 11, 2019Publication date: February 6, 2020Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTDInventors: Kuniyuki KAKUSHIMA, Tomoyuki SUZUKI, Kazuo TSUTSUI, Akito SASAKI, Atsuya SASAKI, Hideaki HIRABAYASHI, Yoshinori KATAOKA
-
Publication number: 20190393800Abstract: An inverter unit with reduced wiring impedance that includes a switching element unit and a capacitor unit is implemented. A capacitor unit 4 includes first portions 41 with a first length L1 which is a length in a first direction D1 orthogonal to a reference plane R1 of an inverter unit; and second portions 42 with a second length L2 shorter than the first length L1, and the first portions 41 and the second portions 42 are disposed adjacent to each other along the reference plane R1. The switching element unit 3 is disposed so as to overlap the second portions 42 as viewed in the first direction D1, and overlap the first portions 41 as viewed in a second direction D2 which is a direction in which the first portions 41 and the second portions 42 are arranged along the reference plane R1.Type: ApplicationFiled: March 22, 2018Publication date: December 26, 2019Applicant: AISIN AW CO., LTD.Inventors: Tomoyuki SUZUKI, Masaru NITTA
-
Publication number: 20190310177Abstract: The present invention accurately manages the number of fine particles in a workspace and prevents fine particles from mixing with an experimental material.Type: ApplicationFiled: May 12, 2017Publication date: October 10, 2019Inventors: Keiichi ONO, Tomoyuki SUZUKI