Patents by Inventor Hideaki Yamamoto

Hideaki Yamamoto 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: 20170116704
    Abstract: An image capturing apparatus includes a tilt detection unit that detects a tilt in the vertical direction, conversion data used for transforming plane coordinates into spherical coordinates, a correction unit that corrects the conversion data according to the tilt, a plurality of image capturing units, a coordinate transformation unit that transforms plane coordinates of a plurality of pixels included in images captured by the image capturing units into spherical coordinates according to the conversion data corrected by the correction unit, and a combining unit that combines the images including the pixels transformed into spherical coordinates by the coordinate transformation unit.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 27, 2017
    Inventors: HIROKAZU TAKENAKA, Yoshiaki IRINO, Tomonori TANAKA, Nozomi IMAE, Hideaki YAMAMOTO, Kensuke MASUDA, Yoichi ITO, Satoshi SAWAGUCHI, Daisuke BESSHO, Hiroyuki SATOH, Makoto SHOHARA, Noriyuki TERAO, Toru HARADA
  • Patent number: 9607358
    Abstract: An image capturing apparatus includes a tilt detection unit that detects a tilt in the vertical direction, conversion data used for transforming plane coordinates into spherical coordinates, a correction unit that corrects the conversion data according to the tilt, a plurality of image capturing units, a coordinate transformation unit that transforms plane coordinates of a plurality of pixels included in images captured by the image capturing units into spherical coordinates according to the conversion data corrected by the correction unit, and a combining unit that combines the images including the pixels transformed into spherical coordinates by the coordinate transformation unit.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: March 28, 2017
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Hirokazu Takenaka, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Hideaki Yamamoto, Kensuke Masuda, Yoichi Ito, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara, Noriyuki Terao, Toru Harada
  • Patent number: 9596408
    Abstract: An image capturing apparatus includes image capturing devices; page memories for the image capturing devices, respectively, each page memory storing a piece of image data output from the corresponding image capturing device; a page-memory read unit configured to read pieces of image data stored in the page memories line by line in a time division manner; an image processing unit configured to perform predetermined image processing on the pieces of image data read from the page memories for the image capturing devices line by line in the time division manner; and a write monitoring unit configured to monitor write states of the pieces of image data that are output from the image capturing devices and written into the page memories, and control the page-memory read unit to start reading the pieces of image data from the page memories.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: March 14, 2017
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Tomonori Tanaka, Noriyuki Terao, Yoshiaki Irino, Toru Harada, Hideaki Yamamoto, Hirokazu Takenaka, Satoshi Sawaguchi, Nozomi Imae, Daisuke Bessho, Kensuke Masuda, Hiroyuki Satoh, Makoto Shohara, Shusaku Takasu
  • Publication number: 20170062061
    Abstract: A semiconductor memory device according to an embodiment comprises: a memory cell array, the memory cell array including a memory block, the memory block including a memory cell, the memory cell including a semiconductor layer, a conductive layer, and a charge accumulation layer, the charge accumulation layer being disposed between the semiconductor layer and the conductive layer; and a control circuit that executes an access operation on the memory cell, the control circuit, triggered by the access operation, detecting a leak current of the conductive layer, and when the leak current is a certain value or more, executing a faulty memory block processing that registers as an access-prohibited region the memory block including the conductive layer.
    Type: Application
    Filed: January 8, 2016
    Publication date: March 2, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasushi NAKAJIMA, Hideaki YAMAMOTO
  • Patent number: 9584694
    Abstract: A predetermined-area management system is configured to communicate with a communication terminal. The predetermined-area management system includes: a storage unit that stores image identification information for identifying image data and predetermined-area information for identifying a predetermined area in the image data in association with each other; a receiving unit that receives image identification information that is transmitted from the communication terminal; an extraction unit that searches the storage unit by using the image identification information received by the receiving unit so as to extract associated predetermined-area information; and a transmitting unit that transmits, to the communication terminal, the predetermined-area information extracted by the extraction unit.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: February 28, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yoichi Ito, Toshiyuki Terashita, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Kensuke Masuda, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara
  • Publication number: 20160337584
    Abstract: An imaging system includes an imaging body having an optical system and an imaging element, a power supplier configured to supply power to the imaging element, and a housing configured to hold the imaging body and the power supplier, wherein the optical system includes at least one optical element projecting from the housing, and a distance AP between a gravity center A of a portion including the optical system and a gravity center P of the entire imaging system and a distance BP between a gravity center B of the power supplier and the gravity center P of the entire imaging system satisfy the following condition.
    Type: Application
    Filed: July 29, 2016
    Publication date: November 17, 2016
    Applicant: RICOH COMPANY, LTD
    Inventors: Kensuke MASUDA, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara
  • Patent number: 9491357
    Abstract: An image-processing system includes a receiver which receives an input value defining an output range, a generator which generates a three-dimensional model having a target image attached to a three-dimensional conformation, a decision part which decides a position of a viewing point and a viewing angle in accordance with the input value, and a projector which projects the three-dimensional model from the viewing point, wherein the decision part changes a range of a target image inside a viewing field by changing the viewing angle preferentially when the input value is in a first range, and changes the range of the target image inside the viewing field by changing the viewing point preferentially when the input value is in a second range which is a wider-angle side than that of the first range.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: November 8, 2016
    Assignee: RICOH COMPANY LTD.
    Inventors: Makoto Shohara, Nozomi Imae, Toru Harada, Hideaki Yamamoto, Yasuo Ueda, Yoichi Ito, Satoshi Sawaguchi, Hirokazu Takenaka, Kensuke Masuda, Hiroyuki Satoh
  • Patent number: 9490281
    Abstract: An image sensor comprising a plurality of image sensing pixel groups is provided. Each of the image sensing pixel groups has a plurality of first pixels each having photoelectric conversion portions arrayed in first and second directions for first and second numbers of divisions, respectively, and a plurality of second pixels each having photoelectric conversion portions arrayed in the first and second directions for third and fourth numbers of divisions, respectively. The photoelectric conversion portions comprising the first pixel and the second pixel have a function of photoelectrically converting a plurality of images formed by divided light fluxes of a light flux from an imaging optical system and outputting a focus detection signal for phase difference detection. The first and third numbers of division are coprime natural numbers, and the second and fourth numbers of divisions are coprime natural numbers.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: November 8, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Fukuda, Ryo Yamasaki, Makoto Oikawa, Ichiro Onuki, Hideaki Yamamoto, Akihiro Nishio
  • Publication number: 20160313541
    Abstract: An image capture system including two imaging systems of the same structure each having a wide-angle lens, which includes a front group, a reflection surface, and a rear group arranged in order from an object side, has a field angle larger than 180 degrees, and bends an optical axis of the front group toward the rear group by the reflection surface, and an imaging sensor, obtains an image in a solid angle of 4? radian by combining images imaged by the imaging systems. Each of the two wide-angle lenses includes the reflection surface between the front group and the rear group, the reflection surfaces are made to be common to the two imaging systems. This reduces an interval between lenses nearest to the object side in the front groups of the two wide-angle lenses, thereby reducing a distance between maximum field angles of the two wide-angle lenses.
    Type: Application
    Filed: June 30, 2016
    Publication date: October 27, 2016
    Inventors: Hiroyuki SATOH, Noriyuki TERAO, Yoshiaki IRINO, Tomonori TANAKA, Nozomi IMAE, Toru HARADA, Hirokazu TAKENAKA, Hideaki YAMAMOTO, Kensuke MASUDA, Satoshi SAWAGUCHI, Daisuke BESSHO, Makoto SHOHARA, Yoichi ITO, Shusaku TAKASU
  • Patent number: 9462178
    Abstract: A focus detection apparatus includes the following: a viewing field mask disposed more on a photoelectric conversion element side than an expected imaging plane of an imaging lens and configured to determine contours of optical images formed on a detection plane, a sensor including a photoelectric conversion element disposed extending outside the optical images and including a plurality of pairs of focus detection regions in each of which the optical images are detected, a memory configured to store, as adjustment values, pieces of data indicating positions of effective ranges in the pairs of focus detection regions, in a plurality of storage areas in a way that each of the pieces of data is stored in a corresponding one of the storage areas, and a control unit configured to obtain the adjustment value data from the memory and perform focus detection for the imaging lens to control focus adjustment operation.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 4, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hideaki Yamamoto
  • Patent number: 9453991
    Abstract: A wide-angle lens having a field angle larger than 180 degrees includes, in order from an object side to an image side, a front group, a reflection surface, and a back group, wherein the front group includes three lenses having a negative refractive power, the reflection surface is configured to curve an optical axis of the front group at 90 degrees toward the back group, the back group includes four lenses having a positive refractive power, a front principle point is set between a second lens and a third lens from the object side in the front group, and a focal length of an entire system f and a distance between an intersection of the reflection surface and the optical axis of the front group and the front principle point d satisfy the following condition (1). 7.0<d/f<9.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: September 27, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroyuki Satoh, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Kensuke Masuda, Satoshi Sawaguchi, Daisuke Bessho
  • Patent number: 9456113
    Abstract: An imaging system includes an imaging body having an optical system and an imaging element, a power supplier configured to supply power to the imaging element, and a housing configured to hold the imaging body and the power supplier, wherein the optical system includes at least one optical element projecting from the housing, and a distance AP between a gravity center A of a portion including the optical system and a gravity center P of the entire imaging system and a distance BP between a gravity center B of the power supplier and the gravity center P of the entire imaging system satisfy the following condition.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: September 27, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kensuke Masuda, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara
  • Publication number: 20160266825
    Abstract: According to one embodiment, a memory system includes a nonvolatile memory including a first storage area; and a memory controller which receives first data from a host device to access the nonvolatile memory, and causes the first storage area to store therein log data based on the first data.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 15, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryuta WASEDA, Takeshi NAKANO, Yasuaki NAKAZATO, Michio NAGAFUJI, Shigeo KURAKATA, Hideaki YAMAMOTO
  • Publication number: 20160247561
    Abstract: According to one embodiment, a memory system includes a nonvolatile semiconductor memory and a memory controller. The memory controller has a first signal generation section that generates a first signal related with a read voltage used for read operation of the nonvolatile semiconductor memory, a second signal generation section that generates a second signal that specifies the temperature coefficient used for the correction for temperature of the read voltage, and a first interface section that outputs the first signal, the second signal and a read command. The nonvolatile semiconductor memory has a word line, a memory cell array includes memory cells connected to the word line, and a second interface section that receives the first signal, the second signal and the read command.
    Type: Application
    Filed: May 14, 2015
    Publication date: August 25, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masanobu SHIRAKAWA, Tsuyoshi Atsumi, Hidetaka Tsuji, Tomoyuki Kantani, Hideaki Yamamoto, Yasuhiko Kurosawa
  • Patent number: 9413955
    Abstract: An image capture system including two imaging systems of the same structure each having a wide-angle lens, which includes a front group, a reflection surface, and a rear group arranged in order from an object side, has a field angle larger than 180 degrees, and bends an optical axis of the front group toward the rear group by the reflection surface, and an imaging sensor, obtains an image in a solid angle of 4? radian by combining images imaged by the imaging systems. Each of the two wide-angle lenses includes the reflection surface between the front group and the rear group, the reflection surfaces are made to be common to the two imaging systems. This reduces an interval between lenses nearest to the object side in the front groups of the two wide-angle lenses, thereby reducing a distance between maximum field angles of the two wide-angle lenses.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: August 9, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroyuki Satoh, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Kensuke Masuda, Satoshi Sawaguchi, Daisuke Bessho, Makoto Shohara, Yoichi Ito, Shusaku Takasu
  • Publication number: 20160209826
    Abstract: This machine tool is provided with an arithmetic control unit that: controls a motor so as to measure the positions of raw material holes in a boom using an imaging camera held on a main shaft (S111-S113); calculates the positions of the center axes of the raw material holes on the basis of the information about the positions of the raw material holes captured by the imaging cameras (S114, S115); calculates distances between two center axes of interest (S116); and, when at least one of the calculated distances does not meet a prescribed value (S117), calculates the most suitable positions for process holes from minimum holes that comply with formulae (1111-1) to (1114-1) and (1141-1) to (1144-1) on the basis of equations (1101), (1111) to (1114), and (1141) to (1144) (S121); and controls the motor so as to form process holes in the positions calculated as the most suitable and cuts raw material holes using a tool held on the main shaft (S122, S123).
    Type: Application
    Filed: May 26, 2014
    Publication date: July 21, 2016
    Applicant: MITSUBISHI HEAVY INDUSTRIES MACHINE TOOL CO., LTD.
    Inventors: Yusuke TANIZAWA, Hideaki YAMAMOTO
  • Patent number: 9392167
    Abstract: An image-processing system includes a receiver which receives an input value defining an output range, a generator which generates a three-dimensional model having a target image attached to a three-dimensional conformation, a decision part which decides a position of a viewing point and a viewing angle in accordance with the input value, and a projector which projects the three-dimensional model from the viewing point, wherein the decision part changes a range of a target image inside a viewing field by changing the viewing angle preferentially when the input value is in a first range, and changes the range of the target image inside the viewing field by changing the viewing point preferentially when the input value is in a second range which is a wider-angle side than that of the first range.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: July 12, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Makoto Shohara, Nozomi Imae, Toru Harada, Hideaki Yamamoto, Yasuo Ueda, Yoichi Ito, Satoshi Sawaguchi, Hirokazu Takenaka, Kensuke Masuda, Hiroyuki Satoh
  • Publication number: 20160182825
    Abstract: An image capturing apparatus includes image capturing devices; page memories for the image capturing devices, respectively, each page memory storing a piece of image data output from the corresponding image capturing device; a page-memory read unit configured to read pieces of image data stored in the page memories line by line in a time division manner; an image processing unit configured to perform predetermined image processing on the pieces of image data read from the page memories for the image capturing devices line by line in the time division manner; and a write monitoring unit configured to monitor write states of the pieces of image data that are output from the image capturing devices and written into the page memories, and control the page-memory read unit to start reading the pieces of image data from the page memories.
    Type: Application
    Filed: February 29, 2016
    Publication date: June 23, 2016
    Applicant: Ricoh Company, Limited
    Inventors: Tomonori TANAKA, Noriyuki TERAO, Yoshiaki IRINO, Toru HARADA, Hideaki YAMAMOTO, Hirokazu TAKENAKA, Satoshi SAWAGUCHI, Nozomi IMAE, Daisuke BESSHO, Kensuke MASUDA, Hiroyuki SATOH, Makoto SHOHARA, Shusaku TAKASU
  • Patent number: 9361249
    Abstract: A communication apparatus for carrying out communications to and from an external apparatus that includes a first interconnecting unit and a first non-transparent port and effects an interconnection for communications via the first non-transparent port is provided. The communication apparatus includes a second interconnecting unit that includes a second non-transparent port communicably connected to the first non-transparent port. The second interconnecting unit effects an interconnection for communications via the second non-transparent port. The second interconnecting unit performs, when the communication apparatus carries out communications to and from the external apparatus, address translation between an address for use by the communication apparatus and an address for use by the second non-transparent port.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: June 7, 2016
    Assignee: Ricoh Company, Ltd.
    Inventors: Tetsuya Satoh, Noriyuki Terao, Koji Takeo, Hideaki Yamamoto, Junichi Ikeda, Satoru Numakura, Mitsuru Suzuki, Hiroyuki Takahashi, Kohki Sasaki
  • Publication number: 20160147045
    Abstract: An optical system includes a central portion having a magnification per unit angle of view which increases from a center to an outside at an increase rate and a circumferential portion being outside the central portion and having a magnification per unit of view which increases from the central portion to an outside at an increase rate smaller than the increase rate of the central portion.
    Type: Application
    Filed: January 4, 2016
    Publication date: May 26, 2016
    Inventors: Kensuke MASUDA, Noriyuki TERAO, Yoshiaki IRINO, Tomonori TANAKA, Nozomi IMAE, Toru HARADA, Hirokazu TAKENAKA, Hideaki YAMAMOTO, Satoshi SAWAGUCHI, Hiroyuki SATOH