Patents by Inventor Akihiro Sawada
Akihiro Sawada 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: 11957642Abstract: An internal substance supplier includes a conveying mechanism including a conveying member configured to capture and convey an internal substance, and a supply mechanism including a scraping member disposed to cross a conveyance route of the substance by the conveying member in the conveying mechanism and configured to collide with the substance conveyed by the conveying member, a gliding member including a recessed groove configured to guide the substance colliding with the scraping member and scraped from the conveying member, to be adjacent to a position vertically above a die bore in a table in a compression-molding machine, and a push transfer member including a projection configured to come into contact with the substance, push the substance to a start edge of the recessed groove in the gliding member, and move along the recessed groove to transfer the substance to an end edge of the recessed groove.Type: GrantFiled: April 22, 2022Date of Patent: April 16, 2024Assignees: KIKUSUI SEISAKUSHO LTD., OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Yuji Tsujiura, Tomohiro Kakitani, Shohei Yamada, Akihiro Sawada, Shinshu Unida
-
Publication number: 20240103408Abstract: An image forming method includes forming an electrostatic latent image on an electrostatic latent image bearer, developing the electrostatic image with a toner to form a visible image, transferring the visible image onto a recording medium, and fixing the transferred visible image on the recording medium. The toner includes toner base particles each including a binder resin, a release agent, and particles of an inorganic antibacterial antiviral agent, and satisfies conditions (1) to (3) below. The image forming method satisfies a relationship of 2.0X (micrometers)?Z?2.5X (micrometers). Conditions (1) the number average particle diameter X of the particles of the inorganic antibacterial antiviral agent is 1.5 (micrometers)?X?2.5 (micrometers), (2) 3X (micrometers)?Y?4X (micrometers), and (3) an amount of the inorganic antibacterial antiviral agent in the toner is 2.8% by mass or greater, but 5.0% by mass or less.Type: ApplicationFiled: December 27, 2021Publication date: March 28, 2024Applicant: Ricoh Company, Ltd.Inventors: Kazumi SUZUKI, Toyoshi Sawada, Katsunori Kurose, Akihiro Kaneko
-
Patent number: 11917917Abstract: A thermoelectric conversion element that has a power generation layer containing an iron-aluminum based magnetic alloy material containing equal to or more than 70 weight percent of iron and aluminum in total. The power generation layer generates an electromotive force, due to an anomalous Nernst effect that develops in the magnetic alloy material in response to a temperature gradient applied thereto, in a direction intersecting both the magnetization direction of the magnetic alloy material and the direction of the applied temperature gradient.Type: GrantFiled: December 13, 2019Date of Patent: February 27, 2024Assignee: NEC CORPORATIONInventors: Akihiro Kirihara, Yasutomo Omori, Ryohto Sawada, Masahiko Ishida, Koichi Terashima, Yuma Iwasaki, Hiroko Someya
-
Patent number: 11831259Abstract: Provided is a motor control apparatus that suppresses a steep rush current to a charging circuit and that can quickly start driving of a motor without depending on a current-limiting resistor. The motor control apparatus according to the present disclosure includes an inverter for driving a motor, a charging circuit for supplying electric power to the inverter, a relay circuit for connecting a charging circuit and a power supply terminal, a control unit for controlling the inverter and the relay circuit, and a pre-charging circuit that is provided in parallel with the relay circuit, that starts charging from the power supply terminal to the charging circuit after a power switch for connecting an external power source with the power supply terminal is turned on, and that completes charging of the charging circuit before the control unit starts operation thereof.Type: GrantFiled: February 28, 2022Date of Patent: November 28, 2023Assignee: Mitsubishi Electric CorporationInventors: Akihiro Sawada, Yuichi Muramoto, Makoto Matsumoto, Hiroki Uchida
-
Publication number: 20230338238Abstract: An internal substance supplier includes a conveying mechanism including a conveying member configured to capture and convey an internal substance, and a supply mechanism including a scraping member disposed to cross a conveyance route of the substance by the conveying member in the conveying mechanism and configured to collide with the substance conveyed by the conveying member, a gliding member including a recessed groove configured to guide the substance colliding with the scraping member and scraped from the conveying member, to be adjacent to a position vertically above a die bore in a table in a compression-molding machine, and a push transfer member including a projection configured to come into contact with the substance, push the substance to a start edge of the recessed groove in the gliding member, and move along the recessed groove to transfer the substance to an end edge of the recessed groove.Type: ApplicationFiled: April 22, 2022Publication date: October 26, 2023Inventors: Yuji TSUJIURA, Tomohiro KAKITANI, Shohei YAMADA, Akihiro SAWADA, Shinshu UNIDA
-
Publication number: 20230305494Abstract: A balance includes a balance staff rotatably supported by a main plate, a collet fixed to the balance staff, and a hairspring fixed to the collet, the hairspring including a Grossmann curve disposed at a side of the collet and an Archimedes curve coupled to the Grossmann curve, and an impact-resistant member configured to suppress displacement of a shape of the Grossmann curve at least at the side of the collet.Type: ApplicationFiled: March 22, 2023Publication date: September 28, 2023Inventor: Akihiro SAWADA
-
Patent number: 11761364Abstract: Provided is an exhaust gas purification apparatus having a control device that monitors the transition of a detection value of each of an upstream NOx sensor and a downstream NOx sensor, and when the NOx purification rate of the SCR catalyst falls to a value of a first threshold or lower, generates an abnormality detection signal indicating that an over storage state has occurred in an SCR catalyst if the amount of change in the detection value of the upstream NOx sensor per unit time is at least a second threshold and the amount of change in the detection value of the downstream NOx sensor per unit time is at most a third threshold.Type: GrantFiled: January 20, 2020Date of Patent: September 19, 2023Assignee: Isuzo Motors LimitedInventors: Akihiro Sawada, Masanobu Minezawa
-
Publication number: 20230291344Abstract: An electric motor control device includes a current detection unit, an interface unit, a switching unit, and an arithmetic processing unit. A detection signal of a current detected by the current detection unit is input to the interface unit. The interface unit includes a plurality of filters having time constants different from one another, and performs filtering processing on the detection signal. The switching unit controls power supplied to an electric motor. The arithmetic processing unit uses, as a selected filter, a filter selected from among the plurality of filters based on the length of a control pulse. The arithmetic processing unit uses, as a detected current value, a value obtained by A/D conversion of a processed signal that is the detection signal on which the filtering processing has been performed with the selected filter.Type: ApplicationFiled: January 25, 2023Publication date: September 14, 2023Applicant: Mitsubishi Electric CorporationInventors: Akihiro SAWADA, Makoto Matsumoto
-
Patent number: 11537083Abstract: An electronic timepiece suppresses loss of power generating performance of a solar panel, and suppresses drop loss of antenna performance. The electronic timepiece has a pivot; a dial that transmits a light through which the pivot passes; an antenna having a radiating electrode through which the pivot passes; and a solar panel through which the pivot passes and which is disposed between the dial and the radiating electrode. The solar panel has a power generating part that converts light to electrical energy, and is disposed, in a plan view through the thickness direction of the dial, superimposed with the radiating electrode. Part or all of the outside circumference of the radiating electrode is disposed outside the power generating part in plan view.Type: GrantFiled: April 17, 2019Date of Patent: December 27, 2022Inventor: Akihiro Sawada
-
Publication number: 20220321035Abstract: The objective is to provide a motor control apparatus that suppresses a steep rush current to a charging circuit and that can quickly start driving of a motor without depending on a current-limiting resistor. A motor control apparatus according to the present disclosure includes an inverter for driving a motor, a charging circuit for supplying electric power to the inverter, a relay circuit for connecting a charging circuit and a DC power source, a control unit for controlling the inverter and the relay circuit, and a pre-charging circuit that is provided in parallel with the relay circuit, that starts charging from the DC power source to the charging circuit after a power switch for connecting an external power source with the DC power source is turned on, and that completes charging of the charging circuit before the control unit starts operation thereof.Type: ApplicationFiled: February 28, 2022Publication date: October 6, 2022Applicant: Mitsubishi Electric CorporationInventors: Akihiro SAWADA, Yuichi MURAMOTO, Makoto MATSUMOTO, Hiroki UCHIDA
-
Publication number: 20220155727Abstract: A balance with hairspring of the present disclosure includes a balance shaft rotatably supported by a support member, a collet fixed to the balance shaft, and a metal hairspring fixed to the collet, and the hairspring includes an inner end portion fixed to the collet, a first winding portion continuously formed from the inner end portion and formed along a Grossmann curve, and a second winding portion continuously formed from the first winding portion and formed along an Archimedes' spiral, and the collet includes a fixing portion to which the inner end portion of the hairspring is fixed, and an outer peripheral shape portion arranged at a position facing an inner surface of the first winding portion and configured to form the first winding portion into a shape of the Grossmann curve.Type: ApplicationFiled: November 12, 2021Publication date: May 19, 2022Inventors: Akihiro SAWADA, Yosuke Sasaki
-
Publication number: 20220136419Abstract: Provided is an exhaust gas purification apparatus having a control device that monitors the transition of a detection value of each of an upstream NOx sensor and a downstream NOx sensor, and when the NOx purification rate of the SCR catalyst falls to a value of a first threshold or lower, generates an abnormality detection signal indicating that an over storage state has occurred in an SCR catalyst if the amount of change in the detection value of the upstream NOx sensor per unit time is at least a second threshold and the amount of change in the detection value of the downstream NOx sensor per unit time is at most a third threshold.Type: ApplicationFiled: January 20, 2020Publication date: May 5, 2022Applicant: ISUZU MOTORS LIMITEDInventors: Akihiro SAWADA, Masanobu MINEZAWA
-
Patent number: 11102911Abstract: Dew condensation in a housing of an inverter device can be prevented. The inverter device includes: a housing accommodating a power electronic element and an electrolytic capacitor; an opening formed in the housing; a thermal insulator disposed along a periphery of the opening; and a water jacket having a body portion, and a flow-in pipe and a discharge pipe for cooling water, the water jacket being disposed such that a first surface of the body portion closes the opening from an outside of the housing, with the thermal insulator interposed therebetween. The power electronic element is mounted on the first surface of the body portion, and the electrolytic capacitor is mounted in the housing so as to be in contact with an inner surface of the housing.Type: GrantFiled: February 26, 2020Date of Patent: August 24, 2021Assignee: Mitsubishi Electric CorporationInventors: Hisakazu Yamane, Takaaki Tanaka, Fumino Suzuki, Akihiro Sawada
-
Publication number: 20210059072Abstract: Dew condensation in a housing of an inverter device can be prevented. The inverter device includes: a housing accommodating a power electronic element and an electrolytic capacitor; an opening formed in the housing; a thermal insulator disposed along a periphery of the opening; and a water jacket having a body portion, and a flow-in pipe and a discharge pipe for cooling water, the water jacket being disposed such that a first surface of the body portion closes the opening from an outside of the housing, with the thermal insulator interposed therebetween. The power electronic element is mounted on the first surface of the body portion, and the electrolytic capacitor is mounted in the housing so as to be in contact with an inner surface of the housing.Type: ApplicationFiled: February 26, 2020Publication date: February 25, 2021Applicant: Mitsubishi Electric CorporationInventors: Hisakazu YAMANE, Takaaki TANAKA, Fumino SUZUKI, Akihiro SAWADA
-
Patent number: 10802448Abstract: Provided is technology that suppresses increasing the thickness of the electronic timepiece when a member is provided to obscure the area where the solar battery is not located above the antenna. An electronic timepiece has: an optically transmissive dial; a solar battery having a photovoltaic solar cell; an antenna disposed relative to the dial in the direction in which the external light is emitted, and configured to receive radio signals; and a cover member having a first part disposed between the dial and the antenna. In plan view, the antenna has a part that does not overlap the solar cell; the first part has a part that does overlaps the part of the antenna that does not overlap the solar cell; and in section view perpendicular, has an overlap between the first part and the solar battery.Type: GrantFiled: March 16, 2018Date of Patent: October 13, 2020Assignee: Seiko Epson CorporationInventor: Akihiro Sawada
-
Publication number: 20190324407Abstract: An electronic timepiece suppresses loss of power generating performance of a solar panel, and suppresses drop loss of antenna performance. The electronic timepiece has a pivot; a dial that transmits a light through which the pivot passes; an antenna having a radiating electrode through which the pivot passes; and a solar panel through which the pivot passes and which is disposed between the dial and the radiating electrode. The solar panel has a power generating part that converts light to electrical energy, and is disposed, in a plan view through the thickness direction of the dial, superimposed with the radiating electrode. Part or all of the outside circumference of the radiating electrode is disposed outside the power generating part in plan view.Type: ApplicationFiled: April 17, 2019Publication date: October 24, 2019Inventor: Akihiro SAWADA
-
Publication number: 20180275619Abstract: Provided is technology that suppresses increasing the thickness of the electronic timepiece when a member is provided to obscure the area where the solar battery is not located above the antenna. An electronic timepiece has: an optically transmissive dial; a solar battery having a photovoltaic solar cell; an antenna disposed relative to the dial in the direction in which the external light is emitted, and configured to receive radio signals; and a cover member having a first part disposed between the dial and the antenna. In plan view, the antenna has a part that does not overlap the solar cell; the first part has a part that does overlaps the part of the antenna that does not overlap the solar cell; and in section view perpendicular, has an overlap between the first part and the solar battery.Type: ApplicationFiled: March 16, 2018Publication date: September 27, 2018Inventor: Akihiro SAWADA
-
Patent number: 10077699Abstract: An exhaust purification system can prevent a NH3 slip caused by an excessive injection of urea water, and includes: an SCR that purifies NOx contained in an exhaust gas using ammonia, as a reducing agent, produced from urea water; a urea water injection device that injects the urea water into an exhaust passage upstream from the SCR; an estimated-adsorption-amount calculation unit that calculates an estimated adsorption amount of the ammonia adsorbed in the SCR; an injection control unit that executes an injection control of the urea water injection device based on the estimated adsorption amount; and an estimated-adsorption-amount change unit that changes the estimated adsorption amount used for the injection control into a value increased or decreased by a predetermined amount when a predetermined condition is established that can cause a difference between an actual adsorption amount of the ammonia adsorbed in the SCR and the estimated adsorption amount.Type: GrantFiled: April 16, 2015Date of Patent: September 18, 2018Assignee: ISUZU MOTORS LIMITEDInventors: Masanobu Minezawa, Tomoyuki Kamijyou, Akihiro Sawada
-
Patent number: 10042327Abstract: A timepiece has a solar panel including a plurality of solar cells; a dial disposed on the face side of the solar panel and configured to transmit a light; a molding member disposed to the face side of the dial overlapping the outside edge of the dial when seen from the face side of the timepiece; and an opaque light shield disposed on the face side of the dial on the inside side of the molding member; the solar panel having connectors that connect adjacent solar cells in series, and at least part of each connector is covered by the light shield when seen from the face.Type: GrantFiled: July 13, 2016Date of Patent: August 7, 2018Assignee: Seiko Epson CorporationInventors: Akihiro Sawada, Shuichi Tamura
-
Patent number: 9844126Abstract: Provided is a plasma treatment apparatus capable of uniform substrate treatment by correction of unevenness in a plasma density distribution. The apparatus has a configuration such that a substrate is treated with plasma, and an evacuated container is provided with an annular antenna arranged around an outer periphery of the container, and is formed of a power supply container, and a process container where the substrate is placed, which communicates with an internal space of the power supply container. The plasma is generated in the power supply container by radio-frequency power supplied to the antenna. The plasma is diffused into the process container by a magnetic field of solenoid coils arranged around an outer periphery of the antenna. The inclination of the magnetic field is adjusted by an inclination adjustment means for adjusting the inclination of the solenoid coils with respect to the process substrate.Type: GrantFiled: June 15, 2012Date of Patent: December 12, 2017Assignee: Canon Aneiva CorporationInventors: Masayoshi Ikeda, Kiyotaka Sakamoto, Akihiro Sawada, Yasumi Sago, Masami Hasegawa, Motozo Kurita