Patents by Inventor Ichiro Maeda

Ichiro Maeda 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: 20190210805
    Abstract: A method includes acquiring starting position information of moving bodies; acquiring destination position information of movement destinations; acquiring path information indicating paths on which the moving bodies can move; calculating, for each moving body, a minimum movement amount required for the moving body to move on a path from the starting position to each movement destination, based on the starting position information, the destination position information, and the path information; allocating a movement destination not allocated to any moving body to a moving body that has a minimum movement amount being the smallest of the minimum movement amounts and that has no allocation of any movement destination; further allocating, when there is a movement destination not allocated to the moving body on a movement route, the not-allocated movement destination to the allocated moving body; and determining movement routes of the moving bodies based on the allocation.
    Type: Application
    Filed: September 5, 2017
    Publication date: July 11, 2019
    Applicants: Ricoh Company, Ltd., NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshihiro OKAMOTO, Koichi KUDO, Ichiro MAEDA, Takayoshi YOKOTA, Tsubasa TAMURA
  • Patent number: 10309571
    Abstract: The present invention provides a pipe structure including: a pipe through which a gaseous body having a higher temperature than a temperature of a surrounding atmosphere flows; a cover that covers an outer peripheral portion of the pipe, and defines a plurality of vents from which the gaseous body leaking from the pipe flows out; and a guide member that guides the gaseous body flowing out from the vent toward a line-shaped sensor that passes a position corresponding to each of the plurality of vents, and is sensitive to a temperature or a concentration of a gaseous body outside the cover.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: June 4, 2019
    Assignee: MITSUBISHI AIRCRAFT CORPORATION
    Inventors: Hiroyuki Yamamoto, Tadahiko Suzuta, Kei Takao, Ichiro Maeda
  • Patent number: 10174876
    Abstract: The present invention provides a pipe structure including a pipe that is disposed along an approximately horizontal direction, and has a plurality of ducts through which a gaseous body having a higher temperature than a temperature of a surrounding atmosphere continuously flows, and a plurality of couplings each connecting the ducts together; and a cover covering an outer periphery of the pipe. The cover defines a plurality of vents from which the gaseous body leaking from the pipe flows out of the cover at an interval in a length direction of the pipe. As the plurality of vents, the cover includes at least first vents located corresponding to the couplings. Respective positions of the first vents are substantially set within a range from a two o'clock position to a ten o'clock position through a six o'clock position in a cross sectional surface of the cover.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: January 8, 2019
    Assignee: MITSUBISHI AIRCRAFT CORPORATION
    Inventors: Tadahiko Suzuta, Hiroyuki Yamamoto, Kei Takao, Ichiro Maeda
  • Patent number: 9957033
    Abstract: A fence 30A is installed on an inner surface 21a of a door 20A on the side which faces a landing gear bay 15, the fence 30A rising inwardly of the airframe from the inner surface 21a. When the door 20A opens outwardly of an airframe due to a pressure difference between the side of an outer surface 21c of the door 20A and the side of an inner surface 21a facing inner part of the landing gear bay 15 during a flight of an aircraft 10, the fence 30A closes a gap between the door 20A and an opening 15a of the landing gear bay 15, and thereby prevents air from flowing into the landing gear bay 15 through the gap.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: May 1, 2018
    Assignee: MITSUBISHI AIRCRAFT CORPORATION
    Inventors: Ichiro Maeda, Hirofumi Maeda
  • Patent number: 9643730
    Abstract: An aircraft door 18 which closes an opening of a storage space 16 for storing a RAT 13 as an accessory and which is opened in association with deployment of the RAT 13 from the storage space 16, the door including: a door body 20 that opens and closes the opening, and whose front surface faces an outside and whose rear surface faces the storage space 16 in a closed state; and a fence 24 that rises from the rear surface of the door body 20. In a traveling direction of the aircraft, the fence 24 is located anterior to a position where the RAT 13 is stored. The fence 24 prevents an airflow Air from passing through between the RAT 13 and the door body 20 in an initial stage where the door 18 starts to be opened, thereby suppressing the aerodynamic force in the closing direction acting on the door body 20.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: May 9, 2017
    Assignee: MITSUBISHI AIRCRAFT CORPORATION
    Inventor: Ichiro Maeda
  • Publication number: 20160238181
    Abstract: The present invention provides a pipe structure including a pipe that is disposed along an approximately horizontal direction, and has a plurality of ducts through which a gaseous body having a higher temperature than a temperature of a surrounding atmosphere continuously flows, and a plurality of couplings each connecting the ducts together; and a cover covering an outer periphery of the pipe. The cover defines a plurality of vents from which the gaseous body leaking from the pipe flows out of the cover at an interval in a length direction of the pipe. As the plurality of vents, the cover includes at least first vents located corresponding to the couplings. Respective positions of the first vents are substantially set within a range from a two o'clock position to a ten o'clock position through a six o'clock position in a cross sectional surface of the cover.
    Type: Application
    Filed: January 22, 2016
    Publication date: August 18, 2016
    Inventors: Tadahiko SUZUTA, Hiroyuki YAMAMOTO, Kei TAKAO, Ichiro MAEDA
  • Publication number: 20160238179
    Abstract: The present invention provides a pipe structure including: a pipe through which a gaseous body having a higher temperature than a temperature of a surrounding atmosphere flows; a cover that covers an outer peripheral portion of the pipe, and defines a plurality of vents from which the gaseous body leaking from the pipe flows out; and a guide member that guides the gaseous body flowing out from the vent toward a line-shaped sensor that passes a position corresponding to each of the plurality of vents, and is sensitive to a temperature or a concentration of a gaseous body outside the cover.
    Type: Application
    Filed: December 28, 2015
    Publication date: August 18, 2016
    Inventors: Hiroyuki YAMAMOTO, Tadahiko SUZUTA, Kei TAKAO, Ichiro MAEDA
  • Publication number: 20160238180
    Abstract: The present invention provides a pipe structure including: a pipe through which a gaseous body having a higher temperature than a temperature of a surrounding atmosphere flows; a cover that covers an outer peripheral portion of the pipe, and defines a plurality of vents from which the gaseous body leaking from the pipe flows out; and a line-shaped sensor that passes a position corresponding to each of the plurality of vents, and is sensitive to a temperature or a concentration of the gaseous body outside the cover, wherein the sensor includes a range in which the sensor rises upward from the position corresponding to the vent.
    Type: Application
    Filed: December 28, 2015
    Publication date: August 18, 2016
    Inventors: Hiroyuki YAMAMOTO, Tadahiko SUZUTA, Kei TAKAO, Ichiro MAEDA
  • Patent number: 9348297
    Abstract: An image forming apparatus includes an image carrier, a charging mechanism to charge a surface of the image carrier, an electrostatic latent image forming mechanism to form an electrostatic latent image on the surface of the image carrier, a developing mechanism to develop the electrostatic latent image formed on the surface of the image carrier into a toner image, a transfer mechanism to transfer the toner image on the surface of the image carrier to a transfer body, and a cleaning mechanism including a cleaning blade to clean a transfer residue toner adhering to the surface of the image carrier by contacting the surface of the image carrier. The cleaning blade includes a strip shaped elastic blade and a surface layer formed on an opposing surface of the strip shaped elastic blade opposite the surface of the image carrier.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: May 24, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masanobu Gondoh, Shinji Nohsho, Shohei Gohda, Kaori Toyama, Masahiro Ohmori, Yohta Sakon, Ichiro Maeda, Takeshi Tada, Takayuki Gotoh
  • Patent number: 9010692
    Abstract: A high-lift device suppresses the occurrence of aerodynamic noise while minimizing an increase in airframe weight. The device includes a slat main body disposed to be able to extend from and retract into a main wing, and a concave part formed on the slat main body at a location facing the main wing and able to accommodate at least a part of a leading edge of the main wing. The device also includes an airflow control part disposed at an area in the concave part facing an upper surface of the main wing, that is accommodated between the main wing and the concave part when the slat main body is retracted into the main wing, and that suppresses turbulence colliding against the area in the concave part facing the upper surface of the main wing when the slat main body is extended from the main wing.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: April 21, 2015
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Makoto Hirai, Ichiro Maeda
  • Publication number: 20140353428
    Abstract: An aircraft door 18 which closes an opening of a storage space 16 for storing a RAT 13 as an accessory and which is opened in association with deployment of the RAT 13 from the storage space 16, the door including: a door body 20 that opens and closes the opening, and whose front surface faces an outside and whose rear surface faces the storage space 16 in a closed state; and a fence 24 that rises from the rear surface of the door body 20. In a traveling direction of the aircraft, the fence 24 is located anterior to a position where the RAT 13 is stored. The fence 24 prevents an airflow Air from passing through between the RAT 13 and the door body 20 in an initial stage where the door 18 starts to be opened, thereby suppressing the aerodynamic force in the closing direction acting on the door body 20.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 4, 2014
    Applicant: MITSUBISHI AIRCRAFT CORPORATION
    Inventor: Ichiro MAEDA
  • Publication number: 20140356042
    Abstract: An image forming apparatus includes an image carrier, a charging mechanism to charge a surface of the image carrier, an electrostatic latent image forming mechanism to form an electrostatic latent image on the surface of the image carrier, a developing mechanism to develop the electrostatic latent image formed on the surface of the image carrier into a toner image, a transfer mechanism to transfer the toner image on the surface of the image carrier to a transfer body, and a cleaning mechanism including a cleaning blade to clean a transfer residue toner adhering to the surface of the image carrier by contacting the surface of the image carrier. The cleaning blade includes a strip shaped elastic blade and a surface layer formed on an opposing surface of the strip shaped elastic blade opposite the surface of the image carrier.
    Type: Application
    Filed: May 22, 2014
    Publication date: December 4, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Masanobu GONDOH, Shinji NOHSHO, Shohei GOHDA, Kaori TOYAMA, Masahiro OHMORI, Yohta SAKON, Ichiro MAEDA, Takeshi TADA, Takayuki GOTOH
  • Patent number: 8469316
    Abstract: A high-lift device suppresses the occurrence of aerodynamic noise while minimizing an increase in airframe weight. The device includes a slat main body disposed to be able to extend from and retract into a main wing, and a concave part formed on the slat main body at a location facing the main wing and able to accommodate at least a part of a leading edge of the main wing. The device also includes an airflow control part disposed at an area in the concave part facing an upper surface of the main wing, that is accommodated between the main wing and the concave part when the slat main body is refracted into the main wing, and that suppresses turbulence colliding against the area in the concave part facing the upper surface of the main wing when the slat main body is extended from the main wing.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: June 25, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Makoto Hirai, Ichiro Maeda
  • Publication number: 20120286101
    Abstract: A high-lift device suppresses the occurrence of aerodynamic noise while minimizing an increase in airframe weight. The device includes a slat main body disposed to be able to extend from and retract into a main wing, and a concave part formed on the slat main body at a location facing the main wing and able to accommodate at least a part of a leading edge of the main wing. The device also includes an airflow control part disposed at an area in the concave part facing an upper surface of the main wing, that is accommodated between the main wing and the concave part when the slat main body is retracted into the main wing, and that suppresses turbulence colliding against the area in the concave part facing the upper surface of the main wing when the slat main body is extended from the main wing.
    Type: Application
    Filed: July 25, 2012
    Publication date: November 15, 2012
    Inventors: Makoto HIRAI, Ichiro MAEDA
  • Patent number: 8275275
    Abstract: An image forming apparatus including a latent image carrier, a charger to evenly charge a surface of the latent image carrier, a writing device to irradiate a charged surface of the latent image carrier to form an electrostatic latent image, a writing device control unit to control the writing device, a developing device to develop the electrostatic latent image to form a toner image, a transfer device to transfer the toner image onto a transferred member, and a pre-transfer irradiating device to irradiate the charged surface of the latent image carrier during a period after development and before transfer. The writing device control unit controls the writing device based on a target image signal A and an image signal B output a single rotation of the latent image carrier after output of the target image signal A in a sub-scanning direction.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: September 25, 2012
    Assignee: Ricoh Company, Ltd.
    Inventors: Emiko Ishikawa, Hiromi Ogiyama, Yasunobu Shimizu, Akio Kosuge, Ken Yoshida, Jun Yura, Naoyuki Ozaki, Masako Yoshii, Ichiro Maeda, Shinji Aoki
  • Publication number: 20100098446
    Abstract: An image forming apparatus including a latent image carrier, a charger to evenly charge a surface of the latent image carrier, a writing device to irradiate a charged surface of the latent image carrier to form an electrostatic latent image, a writing device control unit to control the writing device, a developing device to develop the electrostatic latent image to form a toner image, a transfer device to transfer the toner image onto a transferred member, and a pre-transfer irradiating device to irradiate the charged surface of the latent image carrier during a period after development and before transfer. The writing device control unit controls the writing device based on a target image signal A and an image signal B output a single rotation of the latent image carrier after output of the target image signal A in a sub-scanning direction.
    Type: Application
    Filed: October 21, 2009
    Publication date: April 22, 2010
    Applicant: RICOH COMPANY, LTD.
    Inventors: Emiko Ishikawa, Hiromi Ogiyama, Yasunobu Shimizu, Akio Kosuge, Ken Yoshida, Jun Yura, Naoyuki Ozaki, Masako Yoshii, Ichiro Maeda, Shinji Aoki
  • Publication number: 20100084508
    Abstract: The present invention provides high-lift devices, wings, and noise reduction structures for the high-lift devices capable of suppressing the occurrence of aerodynamic noise while restricting an increase in airframe weight. A high-lift device includes: a slat main body (4) that is disposed so as to be able to extend from and retract into a main wing; a concave part (5) that is formed on the slat main body (4) at a location that faces the main wing, so as to be able to accommodate at least a part of a leading edge of the main wing; and an airflow control part (6) that is disposed at an area in the concave part (5) facing an upper surface of the main wing, that is accommodated between the main wing and the concave part when the slat main body (4) is retracted into the main wing, and that suppresses turbulence colliding against the area in the concave part (5) facing the upper surface of the main wing when the slat main body (4) is extended from the main wing.
    Type: Application
    Filed: May 20, 2008
    Publication date: April 8, 2010
    Applicant: MITSUBISHI HEAVY INDUSTRIES,LTD.
    Inventors: Makoto Hirai, Ichiro Maeda
  • Patent number: 5835845
    Abstract: A method and system for supervising communications a multi-channel access communication system having a plurality of terminals connected to a plurality of communication channels. The terminals are classified into a plurality of groups each including at least one terminal. When a group calls another group, it is checked by referring to a management table if there is any terminal in communications in the called group. If there is a terminal in communications, the call is invalidated.
    Type: Grant
    Filed: January 29, 1996
    Date of Patent: November 10, 1998
    Assignee: Hitachi Denshi Kabushiki Kaisha
    Inventors: Atsuyoshi Niki, Ichiro Maeda, Takao Fukushima
  • Patent number: 5553079
    Abstract: A radio communication apparatus for transmitting a voice signal and a data signal in a multiplex form. The transmitting side of the radio communication apparatus includes: a sampling unit for sampling the voice signal and the data signal and generating a digital voice signal and a digital data signal; a time division unit for dividing the digital voice signal and the digital data signal on the basis of a predetermined period; a modulation unit for modulating the divided digital data signal by a predetermined digital modulation scheme; a unit for compressing the divided digital voice signal at a predetermined compression factor and generating a compressed voice signal; a unit for combining the divided and compressed voice signal and the divided and digitally modulated digital data signal and generating a multiplex signal; and a unit for modulating a carrier signal by the multiplex signal and transmitting the modulated carrier signal as a transmission signal.
    Type: Grant
    Filed: March 30, 1995
    Date of Patent: September 3, 1996
    Assignees: Hitachi Denshi Kabushiki Kaisha, Tohoku Electric Power Co., Inc.
    Inventors: Atsuyoshi Niki, Tsyneyuki Minowa, Ichiro Maeda, Sakari Ohira
  • Patent number: 5400135
    Abstract: An automatic defect inspection apparatus for a color filter includes a light source for radiating light onto a color filter having a spatially periodical repetitive structure of red, green, and blue, a detector for detecting light from the color filter, and a processor for executing arithmetic processing of the output signal from the detector. In the apparatus, the detector is arranged to detect the light radiated form the light source and transmitted through the color filter, and a diaphragm for limiting the area of the transmitted light incident on the detector in association with an integer multiple of the spatially periodical repetitive structure of red, green, and blue is arranged.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: March 21, 1995
    Assignee: Nikon Corporation
    Inventor: Ichiro Maeda