Patents by Inventor Izumi Mikami
Izumi Mikami 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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Publication number: 20180106906Abstract: A technique for more providing precise and simple positioning processing includes configuring a positioning processing device to perform positioning processing using satellite positioning correction data from a satellite.Type: ApplicationFiled: October 4, 2017Publication date: April 19, 2018Inventors: Izumi MIKAMI, Masayuki Saito, Kouki Asari
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Patent number: 8107138Abstract: An image sensing apparatus having a large depth of focus (DOF) and being compact in size is provided.Type: GrantFiled: January 4, 2011Date of Patent: January 31, 2012Assignee: Mitsubishi Electric CorporationInventors: Tadashi Minobe, Hiroyuki Kawano, Izumi Mikami, Takafumi Endo
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Publication number: 20110096376Abstract: An image sensing apparatus having a large depth of focus (DOF) and being compact in size is provided.Type: ApplicationFiled: January 4, 2011Publication date: April 28, 2011Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tadashi MINOBE, Hiroyuki KAWANO, Izumi MIKAMI, Takafumi ENDO
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Patent number: 7884976Abstract: An image sensing apparatus having a large depth of focus (DOF) and being compact in size is provided.Type: GrantFiled: October 30, 2008Date of Patent: February 8, 2011Assignee: Mitsubishi Electric CorporationInventors: Tadashi Minobe, Hiroyuki Kawano, Izumi Mikami, Takafumi Endo
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Patent number: 7768699Abstract: A phase difference detecting device includes a splitter for splitting laser beams into a first group which will travel along a first path and a second group which will travel along a second path, a beam selection/extraction unit for selecting, as reference light, one beam from the first group to allow it to pass therethrough, a path length changing unit for changing the length of the first path, a combining unit for combining the reference light and beams which construct the second group to produce interference light, and a detector for detecting the intensity of the interference light. The device changes the length of the first path using the path length changing unit to detect a path length which maximizes the intensity of the interference light for each of the beams which construct the second group, and determines a phase difference among the beams from the detected path length.Type: GrantFiled: August 20, 2004Date of Patent: August 3, 2010Assignee: Mitsubishi Electric CorporationInventors: Jiro Suzuki, Yoshihito Hirano, Yutaka Ezaki, Yasushi Horiuchi, Masaki Tabata, Kouji Namura, Izumi Mikami
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Publication number: 20090147321Abstract: An image sensing apparatus having a large depth of focus (DOF) and being compact in size is provided.Type: ApplicationFiled: October 30, 2008Publication date: June 11, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tadashi MINOBE, Hiroyuki Kawano, Izumi Mikami, Takafumi Endo
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Publication number: 20080304139Abstract: A phase difference detecting device includes a splitter for splitting laser beams into a first group which will travel along a first path and a second group which will travel along a second path, a beam selection/extraction unit for selecting, as reference light, one beam from the first group to allow it to pass therethrough, a path length changing unit for changing the length of the first path, a combining unit for combining the reference light and beams which construct the second group to produce interference light, and a detector for detecting the intensity of the interference light. The device changes the length of the first path using the path length changing unit to detect a path length which maximizes the intensity of the interference light for each of the beams which construct the second group, and determines a phase difference among the beams from the detected path length.Type: ApplicationFiled: August 20, 2004Publication date: December 11, 2008Inventors: Jiro Suzuki, Yoshihito Hirano, Yutaka Ezaki, Yasushi Horiuchi, Masaki Tabata, Kouji Namura, Izumi Mikami
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Publication number: 20080123105Abstract: A grating alignment device performs alignment of two or more plane gratings so as to eliminate an angular misalignment and a phase misalignment which are caused between respective diffracted light beams generated when incident light is diffracted by the plane gratings. Specifically, alignment is performed by appropriately adjusting an angle A, an angle B, an angle C, a coordinate Z, and a coordinate X of the second plane grating so as to eliminate at least one of the angular misalignment and the phase misalignment which are caused between the respective diffracted light beams generated when incident light is diffracted by the first plane grating and the second plane grating.Type: ApplicationFiled: January 17, 2005Publication date: May 29, 2008Inventors: Kouji Seki, Jiro Suzuki, Yoshihito Hirano, Yutaka Ezaki, Yasushi Horiuchi, Masaki Tabata, Kouji Namura, Izumi Mikami
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Patent number: 7098433Abstract: An optical system deviation estimating apparatus includes an erected/inverted attitude setting means 9 for changing dispositional attitude of an optical system under test, a non-interferometric type wavefront measuring means 10 for measuring wavefronts at the attitudes as set up without resorting to interference phenomenon of light, a polynomial approximation means 15 for expanding measured wavefront values determined by the non-interferometric type wavefront measuring means 10 to a polynomial, an averaging arithmetic means 11 for averaging the measured values derived from output of the non-interferometric type wavefront measuring means 10 or alternatively arithmetic values derived from output of the polynomial approximation means 15, and a polynomial specific coefficient extraction arithmetic means 16 for extracting specific coefficient values of the polynomial.Type: GrantFiled: January 17, 2002Date of Patent: August 29, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Jiro Suzuki, Toshiyuki Ando, Hiroshi Suzuki, Shusou Wadaka, Yoshihito Hirano, Izumi Mikami, Tadashi Matsushita
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Publication number: 20040245473Abstract: Application of power transmitting technique by a microwave is disclosed. A multiplicity of electric power receiving patch devices (3000) is stuck on an electric power receiving vest (2200). The electric power receiving patch device (3000) converts the microwave transmitted from a base station (100) directly into an electric current, and supplies the electric current converted to a portable information terminal (1100). Since the portable information terminal (1100) operates using electric power transmitted by radio, the portable information terminal (1100) does not require a battery and a charger.Type: ApplicationFiled: March 5, 2004Publication date: December 9, 2004Inventors: Hisanobu Takayama, Izumi Mikami
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Patent number: 6727425Abstract: High-output transmitters are applied to a power generation satellite and a transmission antenna apparatus and a transmission antenna having an array antenna with a small number of element antennas and a reflecting mirror antenna is applied, thereby providing a power generation satellite and a transmission antenna apparatus in a space photovoltaic generation system comprising transmission antennas each having performance equivalent to that of a phased array antenna with a smaller number of transmitters and a smaller number of element antennas than those of a transmission antenna implemented as a phased array antenna.Type: GrantFiled: July 1, 2002Date of Patent: April 27, 2004Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Kazuyuki Takada, Hiroyuki Satou, Izuru Naito, Izumi Mikami
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Patent number: 6723912Abstract: A power generation satellite has a photoelectric conversion unit for converting sunlight into electric energy, a transmission frequency conversion unit for performing frequency conversion of the electric energy to a microwave, a microwave control unit for controlling the amplitude, the phase, or the amplitude and the phase of the microwave, and a transmitting antenna for radiating the microwave. A plurality of the power generation satellites are placed in space to form a power generation satellite group and an array antenna having the transmitting antennas of the power generation satellites in the power generation satellite group as element antennas is formed.Type: GrantFiled: June 4, 2002Date of Patent: April 20, 2004Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tomohiro Mizuno, Hiroyuki Sato, Izuru Naito, Izumi Mikami
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Publication number: 20040027566Abstract: An optical system deviation estimating apparatus includes an erected/inverted attitude setting means 9 for changing dispositional attitude of an optical system under test, a non-interferometric type wavefront measuring means 10 for measuring wavefronts at the attitudes as set up without resorting to interference phenomenon of light, a polynomial approximation means 15 for expanding measured wavefront values determined by the non-interferometric type wavefront measuring means 10 to a polynomial, an averaging arithmetic means 11 for averaging the measured values derived from output of the non-interferometric type wavefront measuring means 10 or alternatively arithmetic values derived from output of the polynomial approximation means 15, and a polynomial specific coefficient extraction arithmetic means 16 for extracting specific coefficient values of the polynomial.Type: ApplicationFiled: May 5, 2003Publication date: February 12, 2004Inventors: Jiro Suzuki, Toshiyuki Ando, Hiroshi Suzuki, Shusou Wadaka, Yoshihito Hirano, Izumi Mikami, Tadashi Matsushita
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Publication number: 20030192586Abstract: A power generation satellite converts electric energy generated from sunlight into a microwave and spreads and applies the microwave through a power transmission antenna of the power generation satellite to any desired area widely on earth. The beam width of the microwave is determined by the aperture area of the power transmission antenna placed in the power generation satellite. To spread and apply the microwave to a wide area, the power transmission antenna provided in the power generation satellite need not be a very large antenna having a diameter of several km or more like a power generation satellite power transmission antenna in a space photovoltaic power generation system in a related art.Type: ApplicationFiled: October 17, 2002Publication date: October 16, 2003Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Kazuyuki Takada, Hiroyuki Satou, Izumi Mikami
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Publication number: 20030098058Abstract: High-output transmitters are applied to a power generation satellite and a transmission antenna apparatus and a transmission antenna having an array antenna with a small number of element antennas and a reflecting mirror antenna is applied, thereby providing a power generation satellite and a transmission antenna apparatus in a space photovoltaic generation system comprising transmission antennas each having performance equivalent to that of a phased array antenna with a smaller number of transmitters and a smaller number of element antennas than those of a transmission antenna implemented as a phased array antenna.Type: ApplicationFiled: July 1, 2002Publication date: May 29, 2003Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Kazuyuki Takada, Hiroyuki Satou, Izuru Naito, Izumi Mikami
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Publication number: 20030098057Abstract: A power generation satellite has a photoelectric conversion unit for converting sunlight into electric energy, a transmission frequency conversion unit for performing frequency conversion of the electric energy to a microwave, a microwave control unit for controlling the amplitude, the phase, or the amplitude and the phase of the microwave, and a transmitting antenna for radiating the microwave. A plurality of the power generation satellites are placed in space to form a power generation satellite group and an array antenna having the transmitting antennas of the power generation satellites in the power generation satellite group as element antennas is formed.Type: ApplicationFiled: June 4, 2002Publication date: May 29, 2003Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Tomohiro Mizuno, Hiroyuki Sato, Izuru Naito, Izumi Mikami
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Patent number: 6571069Abstract: The rays of light from an object under observation are condensed by objective lens. The incident light from the objective lens is reflected by plane reflector mirror to form a focused image on a detector. The plane reflector mirror floats in at least three reflector mirror floating vessels and even if the telescope tilts, a surface of the fluid in the vessel remains leveled and the plane reflector mirror does not vibrate. Further, the plane reflector mirror includes at least three pads, each of the pads floating in a corresponding reflector mirror floating vessel.Type: GrantFiled: September 10, 2001Date of Patent: May 27, 2003Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tsuyoshi Ishikawa, Yutaka Ezaki, Izumi Mikami
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Patent number: 6528719Abstract: A space photovoltaic power generation system including a plurality of power satellites arranged in space, each of which converts electrical energy, into which sunlight has been photoelectric-converted, into a microwave, and transmits the microwave to an electric power base. The space photovoltaic power generation system divides the plurality of power satellites into a number of power satellite groups and adjusts the amount of phase adjustment to be made to a microwave which each of the plurality of power satellites included in each power satellite group will transmit so that a plurality of microwaves from the plurality of power satellites included in each power satellite group are in phase with one another. The beamwidth of the plurality of microwaves can be reduced without increasing the area of the aperture of a transmission antenna of each of the plurality of power satellites.Type: GrantFiled: June 4, 2001Date of Patent: March 4, 2003Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Izumi Mikami, Yoshihiko Konishi, Kazuyuki Takada
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Patent number: 6495751Abstract: A space photovoltaic generation system including a plurality of power satellites arranged in space, each of which converts electrical energy, into which sunlight has been photoelectric-converted, into a microwave, and transmits the microwave to an electric power base. The system can thus transmit a microwave of high power to the electric power base. Each of the plurality of power satellites modulates the generated microwave so as to generate an incoherent microwave before transmitting it to the electric power base, thus reducing the power density of the electric power transmitted to the electric power base on the earth and hence a loss in the total amount of energy transmitted to the electrical power base on the earth.Type: GrantFiled: June 4, 2001Date of Patent: December 17, 2002Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Izumi Mikami, Yoshihiko Konishi, Kazuyuki Takada
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Patent number: 6492940Abstract: A method of and a system for receiving microwave beams from a plurality of power satellites (1) in space by way of a receiving antenna (3). By controlling the directions of a plurality of microwave beams to be transmitted from the plurality of power satellites, the plurality of power satellites (1) direct the plurality of microwave beams into an aperture surface of the receiving antenna (3), respectively, so that the plurality of microwave beams can be dispersively received at a number of different positions on the aperture surface of the receiving antenna (3), so as to level the energy distribution of the microwaves received on the aperture surface of the receiving antenna (3).Type: GrantFiled: June 4, 2001Date of Patent: December 10, 2002Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Izumi Mikami, Yoshihiko Konishi, Kazuyuki Takada