Patents by Inventor Shinichiro Minami
Shinichiro Minami 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).
-
Publication number: 20250037645Abstract: Provided is a display apparatus that can suppress degradation of image quality caused by possible color drift. A display apparatus includes a board including a driving circuit based on a current amplitude modulation scheme, multiple first light emitting elements and multiple second light emitting elements two-dimensionally arranged on the board, and a wavelength correcting layer that is able to correct wavelengths of light emitted from the multiple first light emitting elements. The driving circuit is able to independently gamma-correct a first signal fed to the first light emitting element and a second signal fed to the second light emitting element.Type: ApplicationFiled: November 15, 2022Publication date: January 30, 2025Inventors: TOSHIHIKO WATANABE, KOICHI NAGASAWA, SHINICHIRO TAJIRI, TETSUO MINAMI, KEI KIMURA
-
Publication number: 20240155962Abstract: A tractor includes a hydraulic lifting and lowering driver to lift and lower a three-point linkage, a load detector to swing according to a traction load of an implement, and a mechanical linkage to transmit a swing amount of the load detector to the lifting and lowering driver. The mechanical linkage includes a first linkage on one side in a right-left direction of a vehicle body frame and interlockingly linked with the load detector, a second linkage on the other side in the right-left direction of the vehicle body frame and interlockingly linked with the lifting and lowering driver, and an operation cable interlockingly linking the first linkage and the second linkage.Type: ApplicationFiled: January 23, 2024Publication date: May 16, 2024Inventors: Takashi SAWAI, Norita TOTTORI, Katsumi YANAGIHARA, Kazuya KIYAMA, Hiroyuki KAWAMURA, Shinichiro MINAMI, Ryo KUMAI, Mami FUJII
-
Patent number: 11932111Abstract: A rectifier and a vehicle AC generator that can suppress the cost, the rectification loss, and the leakage current from increasing are provided. A rectifier is configured in such a way that in each of n sets, one of a positive electrode side semiconductor device and a negative electrode side semiconductor device is a MOSFET, in such a way that in at least one of the n sets, the other one of the positive electrode side semiconductor device and the negative electrode side semiconductor device is a specific diode, and in such a way that the specific diode is a Schottky barrier diode or a MOS diode, which is a MOSFET whose drain terminal and gate terminal are short-circuited.Type: GrantFiled: August 3, 2018Date of Patent: March 19, 2024Assignee: Mitsubishi Electric CorporationInventors: Shinichiro Minami, Katsuya Tsujimoto, Keiichi Komurasaki, Shingo Inoue
-
Publication number: 20230228277Abstract: A centrifugal fan includes: a main plate having a rotation center; and a plurality of blades extending from the main plate in a direction of a rotation axis passing the rotation center. A length direction of each blade extends from an inner circumferential side to an outer circumferential side of the main plate. Where a distance between a forward edge of the blade and the rotation center is defined as RA and a distance between the rotation center and a point C between the forward edge and a backward edge of the blade is defined as RC, at least one of the plurality of blades has the point C that satisfies RC<RA.Type: ApplicationFiled: June 10, 2020Publication date: July 20, 2023Applicant: Mitsubishi Electric CorporationInventors: Shinichiro MINAMI, Keisuke TAKEISHI
-
Publication number: 20220220971Abstract: A centrifugal fan includes: a main plate; and a plurality of blades extending from the main plate in the rotation-axis direction. The plurality of blades include, at least partially, an arrangement in which intervals between the adjacent blades are unequal intervals. A length direction of each blade extends from an inner circumferential side to an outer circumferential side of the main plate. In a pair of the blades adjacent to each other with a smallest interval in a rotation direction among the plurality of blades, the blades positioned on a backward side and a forward side in the rotation direction are different in outer-circumferential-side shapes, and an action of discharging a fluid toward the outer circumferential side by the blade positioned on the backward side in the rotation direction is made smaller as compared to the blade positioned on the forward side in the rotation direction.Type: ApplicationFiled: June 20, 2019Publication date: July 14, 2022Applicant: Mitsubishi Electric CorporationInventors: Keisuke TAKEISHI, Shinichiro MINAMI, Shingo INOUE
-
Patent number: 11384995Abstract: A finless heat exchanger includes two headers and a plurality of heat transfer tubes spaced apart from each other and arranged side by side. The two headers each have a plurality of insertion holes, to which both ends of the heat transfer tubes are fitted and connected. The heat transfer tubes each include straight portions extending in a direction orthogonal to an arrangement direction, in which the heat transfer tubes are arranged, and turning portions. The straight portions and the turning portions are alternately and continuously arranged.Type: GrantFiled: December 11, 2017Date of Patent: July 12, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Shinichiro Minami, Takashi Matsumoto, Shigeyoshi Matsui
-
Patent number: 11326815Abstract: A heat exchanger includes heat exchanger cores connected to a distributor. The inside of the distributor is divided into refrigerant flow paths, allowing the refrigerant to flow from one of the refrigerant flow paths to another one of the refrigerant flow paths. The heat transfer tubes of one of the heat exchanger cores disposed on a windward side of a flow of the air fed to the heat exchanger are connected to at least one of the refrigerant flow paths disposed in the distributor on an upstream side of a flow of the refrigerant. The heat transfer tubes of one of the heat exchanger cores disposed on a leeward side of the flow of the air fed to the heat exchanger are connected to at least one of the refrigerant flow paths disposed in the distributor on a downstream side of the flow of the refrigerant.Type: GrantFiled: June 30, 2017Date of Patent: May 10, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Shinichiro Minami, Yoji Onaka
-
Publication number: 20210257888Abstract: A rectifier and a vehicle AC generator that can suppress the cost, the rectification loss, and the leakage current from increasing are provided. A rectifier is configured in such a way that in each of n sets, one of a positive electrode side semiconductor device and a negative electrode side semiconductor device is a MOSFET, in such a way that in at least one of the n sets, the other one of the positive electrode side semiconductor device and the negative electrode side semiconductor device is a specific diode, and in such a way that the specific diode is a Schottky barrier diode or a MOS diode, which is a MOSFET whose drain terminal and gate terminal are short-circuited.Type: ApplicationFiled: August 3, 2018Publication date: August 19, 2021Applicant: Mitsubishi Electric CorporationInventors: Shinichiro MINAMI, Katsuya TSUJIMOTO, Keiichi KOMURASAKI, Shingo INOUE
-
Publication number: 20200256625Abstract: A finless heat exchanger includes two headers and a plurality of heat transfer tubes spaced apart from each other and arranged side by side. The two headers each have a plurality of insertion holes, to which both ends of the heat transfer tubes are fitted and connected. The heat transfer tubes each include straight portions extending in a direction orthogonal to an arrangement direction, in which the heat transfer tubes are arranged, and turning portions. The straight portions and the turning portions are alternately and continuously arranged.Type: ApplicationFiled: December 11, 2017Publication date: August 13, 2020Applicant: Mitsubishi Electric CorporationInventors: Shinichiro MINAMI, Takashi MATSUMOTO, Shigeyoshi MATSUI
-
Publication number: 20200200449Abstract: A heat exchanger includes multiple heat exchanger cores and a distributor that distributes refrigerant. The heat exchanger core includes multiple fins and multiple heat transfer tubes arranged vertically. The multiple heat transfer tubes are connected to the distributor. The inside of the distributor is divided into multiple refrigerant flow paths. The distributor allows the refrigerant flowing into one of the multiple refrigerant flow paths to flow from the one of the refrigerant flow paths to another one of the refrigerant flow paths. The multiple heat transfer tubes of one of the multiple heat exchanger cores disposed on a windward side of a flow of the air fed to the heat exchanger are connected to at least one of the refrigerant flow paths disposed in the distributor on an upstream side of a flow of the refrigerant.Type: ApplicationFiled: June 30, 2017Publication date: June 25, 2020Applicant: Mitsubishi Electric CorporationInventors: Shinichiro MINAMI, Yoji ONAKA
-
Patent number: 10644560Abstract: Provided is a rotary electric machine, including a pair of frames each including a cylindrical part, the cylindrical part having a fitting groove formed in an axial end portion, the pair of frames holding a stator core in an axial direction under a state in which both axial end portions of the stator core are each fitted in the fitting groove, the fitting groove having an axial surface having an annular shape opposed to an axial end surface of the stator core and a radial surface having a cylindrical shape opposed to an outer peripheral surface of the stator core, the radial surface having a recessed part recessed toward a radially outer side in a portion on the axial surface side, the cylindrical part having an inner peripheral surface opposed to a coil end, the inner peripheral surface having a large diameter part recessed toward the radially outer side.Type: GrantFiled: November 20, 2015Date of Patent: May 5, 2020Assignee: Mitsubishi Electric CorporationInventors: Shinichiro Minami, Kazunori Tanaka, Kyoko Higashino, Yoshihiro Shinosaka
-
Patent number: 10256704Abstract: A slip ring device includes an insulating molded body in which a pair of slip rings and a pair of connecting conductors are provided. The insulating molded body includes a molded body main body portion disposed in a position further from a rotor main body than a bearing provided on a shaft, the slip rings being provided in the molded body main body portion, an opposing portion disposed between the bearing and the rotor main body, and a pair of beam portions that connect the molded body main body portion to the opposing portion, the connecting conductors being provided respectively in the beam portions. A pair of shaft grooves respectively accommodating the pair of beam portions are provided in the shaft. A spreading suppression portion for preventing resin with which a field coil is impregnated from spreading into the shaft grooves is provided in the opposing portion.Type: GrantFiled: June 26, 2014Date of Patent: April 9, 2019Assignee: Mitsubishi Electric CorporationInventors: Shinichiro Minami, Kazunori Tanaka
-
Patent number: 10110099Abstract: In a rotor of the present invention, an interference is set to have a relationship so that an inner diameter of a press-fit projecting portion before press-fitting is smaller than a diameter of a shaft, and in the inner wall surface, a non-projecting portion is formed without projecting portions on a portion in which a weld line is generated by the molding.Type: GrantFiled: March 8, 2012Date of Patent: October 23, 2018Assignee: Mitsubishi Electric CorporationInventors: Yoshiro Imazawa, Shinichiro Minami, Hitoshi Shibagaki, Kazunori Tanaka
-
Publication number: 20180294689Abstract: Provided is a rotary electric machine, including a pair of frames each including a cylindrical part, the cylindrical part having a fitting groove formed in an axial end portion, the pair of frames holding a stator core in an axial direction under a state in which both axial end portions of the stator core are each fitted in the fitting groove, the fitting groove having an axial surface having an annular shape opposed to an axial end surface of the stator core and a radial surface having a cylindrical shape opposed to an outer peripheral surface of the stator core, the radial surface having a recessed part recessed toward a radially outer side in a portion on the axial surface side, the cylindrical part having an inner peripheral surface opposed to a coil end, the inner peripheral surface having a large diameter part recessed toward the radially outer side.Type: ApplicationFiled: November 20, 2015Publication date: October 11, 2018Applicant: Mitsubishi Electric CorporationInventors: Shinichiro MINAMI, Kazunori TANAKA, Kyoko HIGASHINO, Yoshihiro SHINOSAKA
-
Publication number: 20180183297Abstract: In the vehicular AC power generator of the present invention, a part where the blade pitch is narrow and a part where the blade pitch is wide are provided in the circumferential direction on a fan fixed in an annular shape to a pole core. In the narrow-pitch part, two or more blade portions are provided in contact with each of the end surfaces of the two or more adjacent claw magnetic poles. This configuration can suppress deformation of the blade portions caused by rotation and can suppress increase in noise occurring from the fan.Type: ApplicationFiled: September 15, 2015Publication date: June 28, 2018Applicant: Mitsubishi Electric CorporationInventors: Masao AKIYOSHI, Shinichiro MINAMI, Kentaro HONSHO
-
Patent number: 9871333Abstract: An AC generator slip ring device including a shaft supported by a front and rear bracket, and a rotor on the inner circumferential side of a stator; a sleeve fixed to an end portion on the rear bracket side of the shaft; and a conductive ring retained on the outer circumferential side of the sleeve. The device also includes a partition ring on the outer circumferential side of the sleeve having one end portion fixed to the rear bracket and the other end portion has a first flange projected in the outer diameter direction; a second flange provided on the side opposite to the rear bracket of the sleeve, having an annular wall with a concave portion, the end surface of the annular wall opposing the first flange of the partition ring; and a flat portion formed on an outer circumferential portion of the annular wall of the second flange.Type: GrantFiled: June 18, 2014Date of Patent: January 16, 2018Assignee: Mitsbushi Electric CorporationInventors: Shinichiro Minami, Kazunori Tanaka, Mitsuyasu Okamoto
-
Publication number: 20170141657Abstract: A slip ring device includes an insulating molded body in which a pair of slip rings and a pair of connecting conductors are provided. The insulating molded body includes a molded body main body portion disposed in a position further from a rotor main body than a bearing provided on a shaft, the slip rings being provided in the molded body main body portion, an opposing portion disposed between the bearing and the rotor main body, and a pair of beam portions that connect the molded body main body portion to the opposing portion, the connecting conductors being provided respectively in the beam portions. A pair of shaft grooves respectively accommodating the pair of beam portions are provided in the shaft. A spreading suppression portion for preventing resin with which a field coil is impregnated from spreading into the shaft grooves is provided in the opposing portion.Type: ApplicationFiled: June 26, 2014Publication date: May 18, 2017Applicant: Mitsubishi Electric CorporationInventors: Shinichiro MINAMI, Kazunori TANAKA
-
Patent number: D795807Type: GrantFiled: March 8, 2016Date of Patent: August 29, 2017Assignee: Mitsubishi Electric CorporationInventors: Yoshihiro Shinosaka, Masao Akiyoshi, Shinichiro Minami, Yuzuru Kobayashi
-
Patent number: D820785Type: GrantFiled: March 8, 2016Date of Patent: June 19, 2018Assignee: Mitsubishi Electric CorporationInventors: Yoshihiro Shinosaka, Masao Akiyoshi, Shinichiro Minami, Yuzuru Kobayashi, Kentaro Honsho
-
Patent number: D823252Type: GrantFiled: March 7, 2016Date of Patent: July 17, 2018Assignee: Mitsubishi Electric CorporationInventors: Yoshihiro Shinosaka, Masao Akiyoshi, Shinichiro Minami, Yuzuru Kobayashi, Kentaro Honsho