Patents by Inventor Hiroki Kubozono

Hiroki Kubozono 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: 11527075
    Abstract: According to an aspect of the present invention, an information processing apparatus includes an object region detecting unit, a local region detecting unit, an object specifying unit. The object region detecting unit is configured to detect an object region based on one of distance information and luminance information. The local region detecting unit is configured to, when a divided area obtained by dividing the detected object region meets a predetermined condition, detect the divided area as a local region. The object specifying unit is configured to specify, as a specification target object, the object region in which the local region is continuously detected.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: December 13, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Sadao Takahashi, Daisuke Okada, Sukehiro Kimura, Tabito Suzuki, Yohichiroh Ohbayashi, Hiroki Kubozono, Jun Yoshida
  • Patent number: 11030761
    Abstract: An information processing device includes an image analyzing unit. The image analyzing unit includes an object region setting unit configured to set an object region, for image information obtained by capturing an imaging range, the object region corresponding to an object existing in the imaging range; a luminance information acquiring unit configured to acquire luminance information indicating luminance in the imaging range; and a correcting unit configured to correct the object region based on the luminance information in a luminance detection region set in a lower part of the object region.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 8, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuu Yamada, Jun Yoshida, Yohichiroh Ohbayashi, Hiroki Kubozono, Daisuke Okada, Shintaroh Kida, Sukehiro Kimura, Tabito Suzuki
  • Publication number: 20200074212
    Abstract: An information processing device includes: a first generation unit configured to generate first information in which a horizontal direction position and a depth direction position of an object are associated with each other from information in which a vertical direction position, the horizontal direction position, and the depth direction position of the object are associated with each other; a first detection unit configured to detect one region indicating the object based on the first information; a second generation unit configured to generate, from the information in which the vertical direction position, the horizontal direction position, and the depth direction position of the object are associated with each other, second information having separation performance higher than separation performance of the first information in which the horizontal direction position and the depth direction position of the object are associated with each other; a second detection unit configured to detect a plurality of reg
    Type: Application
    Filed: November 24, 2017
    Publication date: March 5, 2020
    Inventors: Seiya AMANO, Soichiro YOKOTA, Sukehiro KIMURA, Jun YOSHIDA, Yohichiroh OHBAYASHI, Shintaroh KIDA, Hiroki KUBOZONO, Daisuke OKADA, Tabito SUZUKI, Sadao TAKAHASHI
  • Publication number: 20190347496
    Abstract: According to an aspect of the present invention, an information processing apparatus includes an object region detecting unit, a local region detecting unit, an object specifying unit. The object region detecting unit is configured to detect an object region based on one of distance information and luminance information. The local region detecting unit is configured to, when a divided area obtained by dividing the detected object region meets a predetermined condition, detect the divided area as a local region. The object specifying unit is configured to specify, as a specification target object, the object region in which the local region is continuously detected.
    Type: Application
    Filed: November 28, 2017
    Publication date: November 14, 2019
    Inventors: Sadao TAKAHASHI, Daisuke OKADA, Sukehiro KIMURA, Tabito SUZUKI, Yohichiroh OHBAYASHI, Hiroki KUBOZONO, Jun YOSHIDA
  • Publication number: 20190295281
    Abstract: An information processing device includes an image analyzing unit. The image analyzing unit includes an object region setting unit configured to set an object region, for image information obtained by capturing an imaging range, the object region corresponding to an object existing in the imaging range; a luminance information acquiring unit configured to acquire luminance information indicating luminance in the imaging range; and a correcting unit configured to correct the object region based on the luminance information in a luminance detection region set in a lower part of the object region.
    Type: Application
    Filed: November 2, 2017
    Publication date: September 26, 2019
    Inventors: Yuu YAMADA, Jun YOSHIDA, Yohichiroh OHBAYASHI, Hiroki KUBOZONO, Daisuke OKADA, Shintaroh KIDA, Sukehiro KIMURA, Tabito SUZUKI
  • Patent number: 7088472
    Abstract: A novel image forming system which includes an image input apparatus, an image processing apparatus, and an image output apparatus. The image input apparatus has an input property profile, reads an image, and converts the image into image data using the input property profile. The image processing apparatus executes an image processing operation relative to the image data. The image output apparatus has an output property profile, outputs an image using the output property profile in accordance with the image data processed through the image processing operation. The above-mentioned image processing apparatus includes a property recognizer, a memory, and a property calculator. The property recognizer reads and recognizes the input property profile and the output property profile. The memory prestores a reference property profile.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: August 8, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiromi Okubo, Hiroyuki Shibaki, Hiroshi Ishii, Hiroki Kubozono, Shougu Oneda
  • Patent number: 7004650
    Abstract: A developing device for developing a latent image formed on an image carrier with a developing liquid includes a liquid storing section for storing the liquid including a developing substance and a carrier liquid. A developer carrier deposits the liquid fed from the liquid storing section thereon. A float type liquid level sensor senses a liquid level in the liquid storing section. The liquid level sensor includes a magnetic force generating member for generating a magnetic force, a magnetic force sensing device for sensing the magnetic force, and floats movable up and down in accordance with the liquid level in the liquid storing section. A distance between the magnetic force generating member and the magnetic force sensing device varies in accordance with the movement of the floats, allowing the liquid level to be determined on the basis of the output of the magnetic force sensing device.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: February 28, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Tsutomu Sasaki, Osamu Satoh, Masahiko Itaya, Tsuneo Kurotori, Hiroki Kubozono
  • Publication number: 20050147408
    Abstract: A developing device for developing a latent image formed on an image carrier with a developing liquid includes a liquid storing section for storing the liquid consisting of a developing substance and a carrier liquid. A developer carrier deposits the liquid fed from the liquid storing section thereon. A float type liquid level sensor senses a liquid level in the liquid storing section. The liquid level sensor includes a magnetic force generating member for generating a magnetic force, a magnetic force sensing device for sensing the magnetic force, and floats movable up and down in accordance with the liquid level in the liquid storing section. A distance between the magnetic force generating member and the magnetic force sensing device varies in accordance with the movement of the floats, allowing the liquid level to be determined on the basis of the output of the magnetic force sensing device. An image forming apparatus including the developing device is also disclosed.
    Type: Application
    Filed: March 3, 2005
    Publication date: July 7, 2005
    Inventors: Tsutomu Sasaki, Osamu Satoh, Masahiko Itaya, Tsuneo Kurotori, Hiroki Kubozono
  • Patent number: 6876822
    Abstract: A method for developing a latent image formed on an image carrier with a developing liquid includes storing a liquid consisting of a developing substance and a carrier liquid developing and sensing the liquid fed from the liquid storing section thereon and sensing a liquid level in the liquid storing section using a liquid level sensor. The liquid level sensor includes a magnetic force generating member for generating a magnetic force, a magnetic force sensing device for sensing the magnetic force, and floats movable up and down in accordance with the liquid level in the liquid storing section. A distance between the magnetic force generating member and the magnetic force sensing device varies in accordance with the movement of the floats, allowing the liquid level to be determined on the basis of the output of the magnetic force sensing device. An image forming method including a developing device is also disclosed.
    Type: Grant
    Filed: October 27, 2003
    Date of Patent: April 5, 2005
    Assignee: Ricoh Company, Ltd.
    Inventors: Tsutomu Sasaki, Osamu Satoh, Masahiko Itaya, Tsuneo Kurotori, Hiroki Kubozono
  • Publication number: 20040086291
    Abstract: A developing device for developing a latent image formed on an image carrier with a developing liquid includes a liquid storing section for storing the liquid consisting of a developing substance and a carrier liquid. A developer carrier deposits the liquid fed from the liquid storing section thereon. A float type liquid level sensor senses a liquid level in the liquid storing section. The liquid level sensor includes a magnetic force generating member for generating a magnetic force, a magnetic force sensing device for sensing the magnetic force, and floats movable up and down in accordance with the liquid level in the liquid storing section. A distance between the magnetic force generating member and the magnetic force sensing device varies in accordance with the movement of the floats, allowing the liquid level to be determined on the basis of the output of the magnetic force sensing device. An image forming apparatus including the developing device is also disclosed.
    Type: Application
    Filed: October 27, 2003
    Publication date: May 6, 2004
    Inventors: Tsutomu Sasaki, Osamu Satoh, Masahiko Itaya, Tsuneo Kurotori, Hiroki Kubozono
  • Patent number: 6694112
    Abstract: A developing device for developing a latent image formed on an image carrier with a developing liquid includes a liquid storing section for storing the liquid including a developing substance and a carrier liquid. A developer carrier deposits the liquid fed from the liquid storing section thereon. A float type liquid level sensor senses a liquid level in the liquid storing section. The liquid level sensor includes a magnetic force generating member, a magnetic force sensing device, and floats movable up and down in accordance with the liquid level in the liquid storing section. A distance between the magnetic force generating member and the magnetic force sensing device varies in accordance with the movement of the floats, allowing the liquid level to be determined based on the output of the magnetic force sensing device. An image forming apparatus may include the developing device.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: February 17, 2004
    Assignee: Ricoh Company, Ltd.
    Inventors: Tsutomu Sasaki, Osamu Satoh, Masahiko Itaya, Tsuneo Kurotori, Hiroki Kubozono
  • Publication number: 20020021429
    Abstract: A developing device for developing a latent image formed on an image carrier with a developing liquid includes a liquid storing section for storing the liquid consisting of a developing substance and a carrier liquid. A developer carrier deposits the liquid fed from the liquid storing section thereon. A float type liquid level sensor senses a liquid level in the liquid storing section. The liquid level sensor includes a magnetic force generating member for generating a magnetic force, a magnetic force sensing device for sensing the magnetic force, and floats movable up and down in accordance with the liquid level in the liquid storing section. A distance between the magnetic force generating member and the magnetic force sensing device varies in accordance with the movement of the floats, allowing the liquid level to be determined on the basis of the output of the magnetic force sensing device. An image forming apparatus including the developing device is also disclosed.
    Type: Application
    Filed: June 28, 2001
    Publication date: February 21, 2002
    Applicant: Ricoh Company, Ltd.
    Inventors: Tsutomu Sasaki, Osamu Satoh, Masahiko Itaya, Tsuneo Kurotori, Hiroki Kubozono
  • Patent number: 6005970
    Abstract: There is provided by the present invention an image processing apparatus for outputting a multiple gradation color image with a printer which can express colors fewer than those specified in input image data comprising an output color predicting section for predicting colors, which will be reproduced by a printer, from color control signals given to the printer, an error computing/error adding section for computing an error between colors specified in input image data and those predicted by the output color predicting section, diffusing the error to peripheral pixels and adding the diffused error to a value of each of the pixels, and an output color selecting section for selecting colors to be reproduced by the printer, which are closest to colors specified in the input image data, according to an output from the error computing/error adding section.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: December 21, 1999
    Assignee: Ricoh Company, Ltd.
    Inventors: Shougo Ohneda, Hiroaki Suzuki, Hiroki Kubozono, Manabu Komatsu, Etsuo Morimoto
  • Patent number: 5831751
    Abstract: There is provided by the present invention an image processing apparatus for outputting a multiple gradation color image with a printer which can express colors fewer than those specified in input image data comprising an output color predicting section for predicting colors, which will be reproduced by a printer, from color control signals given to the printer, an error computing/error adding section for computing an error between colors specified in input image data and those predicted by the output color predicting section, diffusing the error to peripheral pixels and adding the diffused error to a value of each of the pixels, and an output color selecting section for selecting colors to be reproduced by the printer, which are closest to colors specified in the input image data, according to an output from the error computing/error adding section.
    Type: Grant
    Filed: February 16, 1996
    Date of Patent: November 3, 1998
    Assignee: Ricoh Company, Ltd.
    Inventors: Shougo Ohneda, Hiroaki Suzuki, Hiroki Kubozono, Manabu Komatsu, Etsuo Morimoto
  • Patent number: 5357583
    Abstract: A graphics processing apparatus includes a first detection part for detecting, with respect to each pixel of an image, whether or not an edge of the image starts on a scanline, and for setting a control data depending on whether or not the edge starts on the scanline, a second detection part for detecting a duration of beam power modulation corresponding to one or plural edge pixels being intersected by a line defined in the image, and for setting a duration data, a third detection part for detecting an outermost edge pixel in the edge pixels, a part for generating a beam power data indicating an intensity level of light beam power corresponding to the outermost edge pixel, an output part for outputting the image by means of a printer having a light source for emitting a light beam, and a control means for continuously modulating light beam power of the light source from the intensity level to a predetermined level with respect to the edge pixels, so that an image with smooth edges is generated by modulating
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: October 18, 1994
    Assignee: Ricoh Company, Ltd.
    Inventors: Takashi Sato, Hiroki Kubozono, Hitomi Kumazaki, Masaki Sano, Kan Tomita, Yoshiaki Hanyu