Patents by Inventor Ichiro Okada
Ichiro Okada 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: 11953665Abstract: An imaging apparatus includes a first reflection optical system and a second reflection optical system having mutually different optical axes, each of the first and second reflection optical systems includes a plurality of reflecting surfaces, a first imaging portion configured to receive an imaging light reflected by the first reflection optical system, a second imaging portion configured to receive an imaging light reflected by the second reflection optical system, a first member, a second member, and a frame. A part of the plurality of reflecting surfaces of the first reflection optical system are reflecting surfaces provided on the frame. Among the plurality of reflecting surfaces of the first reflection optical system, a final-stage reflecting surface configured to reflect the imaging light toward the first imaging portion is a first reflecting surface formed on a surface of the first member.Type: GrantFiled: September 29, 2020Date of Patent: April 9, 2024Assignee: Canon Kabushiki KaishaInventors: Naoto Fuse, Chiaki Inoue, Ichiro Kanazashi, Atsushi Takata, Kazuhiro Kochi, Kouga Okada
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Publication number: 20200055598Abstract: The purpose of the present invention is to provide a highly efficient method for capturing images inside a confined space without the need for direct visual observation by an inspector. Provided is an unmanned aerial vehicle equipped with at least four rotors, a drive device that drives the rotors, a control signal generation circuit that generates a control signal for causing the drive device to drive the rotors, and an imaging camera, wherein said unmanned aerial vehicle is configured to fly within a confined space by driving the rotors while capturing images inside the confined space by means of the imaging camera.Type: ApplicationFiled: March 28, 2018Publication date: February 20, 2020Inventors: Kenji Kuroiwa, Yusuke Inagaki, Kohei Yamasaki, Akikazu Onishi, Satoshi Katsuoka, Yukinori Masuya, Ichiro Okada
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Patent number: 10020714Abstract: The invention relates to a method of manufacturing a rotor for performing a magnetizing process of magnetizing a plurality of magnet materials that are assembled in a rotor core. A magnetization device is used which has a coil group configured of a plurality of coils that are disposed side by side in a manner that winding directions of adjacent coils are opposite to each other, the coil group is configured of sub coils at both ends and two or more main coils between the sub coils, and all of the coils are connected in series. Further, in the magnetizing process, a partial magnetization of magnetizing the magnet material among the plurality of magnet materials to which magnetic flux interlinking with two adjacent main coils is applied is performed a plurality of times, so as to magnetize all the plurality of magnet materials.Type: GrantFiled: September 14, 2015Date of Patent: July 10, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ichiro Okada, Hiroaki Urano, Katsuhiko Tatebe, Fumiki Tanahashi, Michitaka Hori
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Publication number: 20160079833Abstract: The invention relates to a method of manufacturing a rotor for performing a magnetizing process of magnetizing a plurality of magnet materials that are assembled in a rotor core. A magnetization device is used which has a coil group configured of a plurality of coils that are disposed side by side in a manner that winding directions of adjacent coils are opposite to each other, the coil group is configured of sub coils at both ends and two or more main coils between the sub coils, and all of the coils are connected in series. Further, in the magnetizing process, a partial magnetization of magnetizing the magnet material among the plurality of magnet materials to which magnetic flux interlinking with two adjacent main coils is applied is performed a plurality of times, so as to magnetize all the plurality of magnet materials.Type: ApplicationFiled: September 14, 2015Publication date: March 17, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ichiro OKADA, Hiroaki URANO, Katsuhiko TATEBE, Fumiki TANAHASHI, Michitaka HORI
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Patent number: 9251926Abstract: A collective conductor includes a plurality of conductive wires that is arranged collectively; and a copper foil that is wound around the collectively-arranged conductive wires and fusion-bonded to the conductive wires, and the copper foil has a tin plating on the side in contact with the conductive wires.Type: GrantFiled: September 5, 2013Date of Patent: February 2, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ichiro Okada, Hiroaki Urano
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Publication number: 20140115876Abstract: A manufacturing method of a segment coil includes i) bending a wire assembly in which a plurality of conducting wires are twisted together in a manner such that the conducting wires are able to slide with respect to one another, and ii) compression molding the bent wire assembly.Type: ApplicationFiled: October 28, 2013Publication date: May 1, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ichiro OKADA, Hiroaki URANO
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Publication number: 20140096999Abstract: A collective conductor includes a plurality of conductive wires that is arranged collectively; and a copper foil that is wound around the collectively-arranged conductive wires and fusion-bonded to the conductive wires, and the copper foil has a tin plating on the side in contact with the conductive wires.Type: ApplicationFiled: September 5, 2013Publication date: April 10, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ichiro OKADA, Hiroaki URANO
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Patent number: 8664943Abstract: The present invention provides a single component implementing highly precise pulse detection for rotational or liner position detecting apparatuses for jog dials and mechanical products. Focusing on the fact that the phase difference between the magnetic fields in circumferential and radial directions generated by a magnetized ring is precisely 90 degrees, a position detecting apparatus of the present invention includes two Hall elements placed at a distance; a protective film provided on magnetic sensitive portions of the two Hall elements to cover the magnetic sensitive portions; a thin-film magnetic plate placed on the protective film to cover the magnetic sensitive portions of the two Hall elements; and further a processing circuit calculating the sum and difference of the signals from the two Hall elements to generate signals having an accurate phase difference of 90 degrees. The position detecting apparatus can therefore detect the rotation direction and precise rotation angle.Type: GrantFiled: July 7, 2010Date of Patent: March 4, 2014Assignee: Asahi Kasei Microdevices CorporationInventor: Ichiro Okada
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Publication number: 20120007589Abstract: The present invention provides a single component implementing highly precise pulse detection for rotational or liner position detecting apparatuses for jog dials and mechanical products. Focusing on the fact that the phase difference between the magnetic fields in circumferential and radial directions generated by a magnetized ring is precisely 90 degrees, a position detecting apparatus of the present invention includes two Hall elements placed at a distance; a protective film provided on magnetic sensitive portions of the two Hall elements to cover the magnetic sensitive portions; a thin-film magnetic plate placed on the protective film to cover the magnetic sensitive portions of the two Hall elements; and further a processing circuit calculating the sum and difference of the signals from the two Hall elements to generate signals having an accurate phase difference of 90 degrees. The position detecting apparatus can therefore detect the rotation direction and precise rotation angle.Type: ApplicationFiled: July 7, 2010Publication date: January 12, 2012Applicant: ASAHI KASEI MICRODEVICES CORPORATIONInventor: Ichiro Okada
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Publication number: 20070065850Abstract: A method for diagnosis of heart failure in a human subject, which comprises the step of: measuring an endoplasmic reticulum (ER)-initiated apoptotic signal such as CHOP in a biological sample originated from the subject is disclosed. According to the invention, by employing the new marker in stead of or in addition to a conventional cardiac marker such as BNP, more accurate diagnosis of heart failure can be attained.Type: ApplicationFiled: August 10, 2006Publication date: March 22, 2007Inventors: Tetuo Minamino, Masatsugu Hori, Ken-ichiro Okada, Masafumi Kitakaze
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Patent number: 6590389Abstract: An InxGa1−xAsySb1−y (0<x≦1, 0≦y≦1) thin film of an electron concentration of 2×1016/cm3 or more is formed on a dielectric substrate. Temperature dependence of resistance is controlled by composition setting or donor atom doping of the thin film to reduce the temperature dependence. As a result, a magnetic sensor of small temperature dependence of device resistance and high sensitivity can be provided.Type: GrantFiled: February 6, 2001Date of Patent: July 8, 2003Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Ichiro Shibasaki, Atsushi Okamoto, Takashi Yoshida, Ichiro Okada
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Patent number: 6202805Abstract: Shock absorber including a cylinder body and a piston cooperating to two chambers one and the other of which respectively function as high-pressure and low-pressure chambers, a piston rod fixed to the piston, and a damping force control device including (i) a hard valve which permits a flow of a working fluid from the high-pressure chamber toward the low-pressure chamber when a difference between fluid pressures in the high-pressure and low-pressure chambers is larger than a predetermined threshold, (ii) a soft valve which permits the fluid flow from the high-pressure chamber toward the low-pressure chamber when the pressure difference is not larger than the threshold, and (iii) a flow restricting fluid passage disposed in parallel with at least one of the hard and soft valves, and wherein at least one of the hard and soft valves and the soft valve permits a flow of the fluid therethrough during both elongation and contraction of the shock absorber.Type: GrantFiled: December 7, 1998Date of Patent: March 20, 2001Assignee: Toyota Jidosha Kabushiki KaishaInventors: Ichiro Okada, Ichisei Kamimura
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Patent number: 6103368Abstract: The present invention provides an antistatic polyester film having an antistatic layer formed of an antistatic agent (A) composed mainly of a polymer having a recurring unit of a structure expressed by the following formula (I) on at least one surface of a polyester film ##STR1## wherein R.sup.1 and R.sup.2 are each H or CH.sub.3, R.sup.3 is an alkylene group having a carbon number of 2 to 10, R.sup.4 and R.sup.5 are each a saturated hydrocarbon group having a carbon number of 1 to 5, R.sup.6 is an alkylene group having a carbon number of 2 to 5, n is a number of 0 to 40, m is a number of 1 to 40, and Y.sup.- is a halogen ion, a mono- or polyhalogenated alkyl ion, nitrate ion, sulfate ion, an alkylsulfate ion, sulfonate ion or an alkylsulfonate ion.Type: GrantFiled: February 27, 1998Date of Patent: August 15, 2000Assignee: Teijin Ltd.Inventors: Masayuki Fukuda, Satoshi Kitazawa, Shin-ichiro Okada, Hiroshi Tomita
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Patent number: 6100260Abstract: An isoxazole derivative represented by the formula: ##STR1## or a pharmaceutically acceptable salt thereof useful as a therapeutic drug for auto-immune diseases and inflammatory diseases.Type: GrantFiled: April 20, 1998Date of Patent: August 8, 2000Assignee: Sumitomo Pharmaceutical Company, LimitedInventors: Masashi Nakatsuka, Yoshihide Ueno, Shin-ichiro Okada, Fumio Nishikaku
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Patent number: 4170669Abstract: A method is provided for color marking wherein a color marking composition is ejected through a hollow needle into each of piled fabric pieces, said composition containing a water dispersion of an acid- and/or base-soluble inorganic pigment, a penetrant, a volatization retardant and an anti-settling agent. The mark obtained by this process is erasable with an appropriate acid or base.Type: GrantFiled: August 5, 1977Date of Patent: October 9, 1979Inventor: Ichiro Okada
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Patent number: 3977316Abstract: A needle-driving device of a fabric-marking apparatus, wherein the upper end of a tubular needle for piercing a plurality of superposed fabric pieces is concentrically fitted with an ink tank; the ink tank is rotated about the axis together with the tubular needle and also vertically reciprocated by screw means while being vertically guided by a plurality of horizontally arranged needle guide plates; and a pair of vertically set guide rods supporting said guide plates are also rotated about the axis with the rotation of the tubular needle.Type: GrantFiled: October 3, 1975Date of Patent: August 31, 1976Inventor: Ichiro Okada
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Patent number: 3960038Abstract: A fabric-marking apparatus, wherein the upper end portion of a syringe-like or tubular needle for piercing superposed fabric pieces contains an ink pump to which a vertically disposed ink tank is connected; an elastic valve member is fitted in a liquid-tight state between the lower end portion of the cylindrical ink pump and the bottom section of the ink tank; when a plunger concentrically received in said cylindrical ink pump is drawn out therefrom by the descent of the tubular needle, then the elastic valve member allows marking ink to flow from the tank into the cylindrical ink pump; and when the plunger advances into the cylindrical ink pump by the rise of the tubular needle, then a fine aperture formed in the elastic valve member is opened to discharge marking ink from the cylindrical ink pump into the tubular needle.Type: GrantFiled: October 3, 1975Date of Patent: June 1, 1976Inventor: Ichiro Okada