Patents by Inventor Takefumi Hasegawa

Takefumi Hasegawa 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: 20160007011
    Abstract: A stereoscopic image display device includes sub-pixels corresponding to N-viewpoints (N is a natural number of 3 or higher), wherein: an “X?1”th viewpoint sub-pixel is connected to an image signal source via a corresponding signal line; an “X+1”th viewpoint sub-pixel is connected to the image signal source via a signal line that is different from the signal line corresponding to the “X?1”th viewpoint sub-pixel; voltages corresponding to a prescribed image signal are written and held to the “X?1”th viewpoint sub-pixel and the “X+1”th viewpoint sub-pixel; and a voltage generated by a pixel voltage generating module by using the voltages written to the “X?1”th viewpoint sub-pixel and to the “X+1”th viewpoint sub-pixel is written to the Xth-viewpoint sub-pixel.
    Type: Application
    Filed: July 1, 2015
    Publication date: January 7, 2016
    Inventors: Yoshihiro NONAKA, Takefumi HASEGAWA, Koji SHIGEMURA
  • Patent number: 9229541
    Abstract: A coordinate detection system includes a coordinate detecting apparatus that is mounted on a display apparatus, detects approach of an indicating object toward the display apparatus, detects a position coordinate of the indicating object on the display apparatus, and outputs a notice indicating the approach of the indicating object and the position coordinate; a contact detecting apparatus that detects whether the contact detecting apparatus is in contact with the coordinate detecting apparatus and outputs a notice indicating contact or non-contact of the contact detecting apparatus; and an information processing apparatus that includes a control unit that, upon reception of the notice indicating the approach of the indicating object, determines whether the notice indicating the contact of the contact detecting apparatus is received within a predetermined time, and issues an event indicating the contact of the contact detecting apparatus when receiving the notice of the contact of the contact detecting appara
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: January 5, 2016
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Katsuyuki Omura, Takanori Nagahara, Takefumi Hasegawa
  • Publication number: 20150312546
    Abstract: The stereoscopic image display device displaying a stereoscopic image by being placed on a movable object includes: a stereoscopic display panel module which projects images of different parallaxes for each of neighboring spatial regions; a movable object state detecting module which detects state information regarding a position state of the movable object; an observing distance calculation module which calculates a relative distance between the stereoscopic display panel module and a specific observer located on a display surface side thereof based on the state information; a device characteristic data saving module which saves device characteristic data regarding the stereoscopic display panel module; and a display setting adjusting module which adjusts display setting of the stereoscopic image by referring to the relative distance and the device characteristic data.
    Type: Application
    Filed: April 23, 2015
    Publication date: October 29, 2015
    Applicant: NLT TECHNOLOGIES, LTD.
    Inventors: Takefumi HASEGAWA, Koji SHIGEMURA
  • Publication number: 20140036046
    Abstract: Provided is a stereoscopic image display device and the like with which the issues of a CT-image and pseudoscopic view by the 3D crosstalk can be overcome so that a sense of discomfort is not felt by the observer even when the observing position of the observer is shifted without giving a sense of discomfort by a drastic change in the parallax value, in which an image processing unit includes: a relative position calculating unit which calculates a relative position of a stereoscopic display panel with respect to the measured observing position of the observer; a parallax adjustment amount calculating unit which calculates a parallax adjustment amount suited for stereoscopic image display according to the relative position; and a parallax adjustment processing unit which performs parallax adjustment processing on image data according to the parallax adjustment amount.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: NLT Technologies, Ltd.
    Inventors: Takefumi HASEGAWA, Koji SHIGEMURA
  • Publication number: 20140035972
    Abstract: The stereoscopic image display device includes: an observer position measuring unit which measures the observing position of the observer; an image processing unit which calculates the relative position of the observing position of the observer and the stereoscopic display panel, calculates the luminance adjustment amount suited for stereoscopic image display for the relative position, and performs luminance adjustment processing on the image data according to the luminance adjustment amount; and a stereoscopic display panel unit which projects the image data on which the luminance adjustment processing is performed to the right eye and the left eye of the observer via the stereoscopic display panel.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: NLT Technologies, Ltd.
    Inventors: Takefumi HASEGAWA, Koji SHIGEMURA
  • Publication number: 20140035907
    Abstract: A stereoscopic image display device, with which the influence of a CT-image by the 3D crosstalk is lightened so that a sense of discomfort is not felt by the observer even when the observing position of the observer is shifted, includes an image processing unit including: a relative position calculating unit which calculates a relative position of a stereoscopic display panel with respect to the observing position of the observer; an image filter value calculating unit which calculates an image filter value for adjusting an image blurring amount according to the relative position; and an image filtering processing unit which performs image filtering processing on image data according to the image filter value.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: NLT Technologies, Ltd.
    Inventors: Takefumi HASEGAWA, Koji SHIGEMURA
  • Publication number: 20120206387
    Abstract: A coordinate detection system includes a coordinate detecting apparatus that is mounted on a display apparatus, detects approach of an indicating object toward the display apparatus, detects a position coordinate of the indicating object on the display apparatus, and outputs a notice indicating the approach of the indicating object and the position coordinate; a contact detecting apparatus that detects whether the contact detecting apparatus is in contact with the coordinate detecting apparatus and outputs a notice indicating contact or non-contact of the contact detecting apparatus; and an information processing apparatus that includes a control unit that, upon reception of the notice indicating the approach of the indicating object, determines whether the notice indicating the contact of the contact detecting apparatus is received within a predetermined time, and issues an event indicating the contact of the contact detecting apparatus when receiving the notice of the contact of the contact detecting appara
    Type: Application
    Filed: February 9, 2012
    Publication date: August 16, 2012
    Inventors: Katsuyuki Omura, Takanori Nagahara, Takefumi Hasegawa
  • Patent number: 7631022
    Abstract: An information processing apparatus is disclosed that updates a desired block data item contained in an archive file in an archive file format. According to an update instruction from an update instructing part, a predetermined data item contained in the archive file is protected before the archive file is updated. The content of the protected predetermined data item is updated based on updated content of the block data item contained in the archive file. The updated predetermined data item is written into the archive file into which the updated block data item is written.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: December 8, 2009
    Assignee: Ricoh Company, Ltd.
    Inventors: Takefumi Hasegawa, Akira Suzuki, Masami Mori
  • Patent number: 7536649
    Abstract: A word information in a document printed on paper etc. may be specified easily. Especially, it enables to specify easily and correctly from the word information input partially. In one example, an information specification system specifying an arbitrary word information in a document, includes an information specification apparatus to select a specified candidate word information. The apparatus has document specification mechanism to input a specification information for specifying the document, and a character input mechanism to input the word information. The word information is searched in the specified document by using the word information which is partially input by the character input mechanism to select the specified candidate word information.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: May 19, 2009
    Assignee: Ricoh Company, Ltd.
    Inventors: Takefumi Hasegawa, Akira Suzuki, Masami Mori
  • Publication number: 20070106694
    Abstract: A structuralized document is provided that includes a contents part and a program part. The programs part stores a computer-readable program which, when executed by a computer, causes the computer to perform a process including the steps of accessing a contents delivery server apparatus, inputting contents provided at the contents delivery server apparatus as an external resource, restructuring the input external resource into a document file, and storing the restructured document file in the contents part.
    Type: Application
    Filed: October 17, 2006
    Publication date: May 10, 2007
    Inventors: Masami MORI, Akira Suzuki, Takefumi Hasegawa
  • Publication number: 20070088849
    Abstract: A structured document used in a terminal apparatus is disclosed. The terminal apparatus includes a network function including a socket waiting unit for waiting for socket connection at a predetermined port number and a socket connecting unit for connecting to a socket at the predetermined port number. The structured document includes a program part and a contents part, and the program part includes: program code for causing the terminal apparatus to function as an information distribution unit having a transfer unit for sending information received from a connected socket to another connected socket; and program code for causing the terminal apparatus to function as an information send and receive unit for connecting to the socket waiting unit for the information distribution unit so as to send and receive information.
    Type: Application
    Filed: October 13, 2006
    Publication date: April 19, 2007
    Inventors: Akira Suzuki, Masami Mori, Takefumi Hasegawa
  • Publication number: 20070027950
    Abstract: An encapsulated document structure includes at least one digital information file to form a representation entity, a display information file to specify a display format of the digital information file, and a program file, interpreted and executed by a computer, and including a function operation program that executes a predetermined function. The program file has Web server functions for sending the digital information file to a Web browser in response to a request from the Web browser, and the program file and the digital information file are encapsulated within a single document.
    Type: Application
    Filed: July 31, 2006
    Publication date: February 1, 2007
    Inventors: Masami Mori, Akira Suzuki, Takefumi Hasegawa
  • Publication number: 20070022114
    Abstract: A word information in a document printed on paper etc. may be specified easily. Especially, it enables to specify easily and correctly from the word information input partially. In one example, an information specification system specifying an arbitrary word information in a document, includes an information specification apparatus to select a specified candidate word information. The apparatus has document specification mechanism to input a specification information for specifying the document, and a character input mechanism to input the word information. The word information is searched in the specified document by using the word information which is partially input by the character input mechanism to select the specified candidate word information.
    Type: Application
    Filed: July 12, 2006
    Publication date: January 25, 2007
    Inventors: Takefumi Hasegawa, Akira Suzuki, Masami Mori
  • Patent number: 7001024
    Abstract: The present invention provides an image input apparatus into which a three-dimensional image as well as a two-dimensional image can be easily input. This image input apparatus includes an image pick-up unit, a projector unit, and a mover unit. The projector unit projects a predetermined projection light pattern onto an image object, and the image pick-up unit picks up the projection image containing distortions of the projection light pattern. The relative position between the projector unit and the image pick-up unit is fixed. The mover unit moves the image pick-up unit relatively with the projector unit, so that the image pick-up unit can pick up a plurality of projection images at different image pick-up locations.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: February 21, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Takashi Kitaguchi, Yasuhiro Sato, Tomofumi Kitazawa, Shin Aoki, Takefumi Hasegawa
  • Publication number: 20060020645
    Abstract: An information processing apparatus is disclosed that updates a desired block data item contained in an archive file in an archive file format. According to an update instruction from an update instructing part, a predetermined data item contained in the archive file is protected before the archive file is updated. The content of the protected predetermined data item is updated based on updated content of the block data item contained in the archive file. The updated predetermined data item is written into the archive file into which the updated block data item is written.
    Type: Application
    Filed: July 19, 2005
    Publication date: January 26, 2006
    Inventors: Takefumi Hasegawa, Akira Suzuki, Masami Mori
  • Publication number: 20060015629
    Abstract: An information processing device including an interface configured to communicate with a network; an input device configured to generate operating information; an output device; an operating information collecting apparatus configured to collect the operating information of the input device; an operating information sending apparatus configured to transmit the operating information to the network via the interface; an operating information receiving apparatus configured to receive data regarding the operating information returned by the network; and an operating information reflecting apparatus configured to control the output device based on the data received from the network to create an image reflecting the operating information.
    Type: Application
    Filed: June 29, 2005
    Publication date: January 19, 2006
    Inventors: Masami Mori, Akira Suzuki, Takefumi Hasegawa
  • Publication number: 20050210392
    Abstract: A technique is disclosed for enabling collaborative creation of a document by plural persons. The collaborative document creation involves setting an editing method for a document created by a first terminal apparatus, setting an editing function for realizing the editing method to the document created by the first terminal apparatus, and disclosing to a second terminal apparatus the document created by the first terminal apparatus with the editing function set thereto.
    Type: Application
    Filed: March 17, 2005
    Publication date: September 22, 2005
    Inventors: Masami Koide, Akira Suzuki, Takefumi Hasegawa
  • Publication number: 20040194027
    Abstract: An electronic document producing, distributing and accessing system prevents a malicious program from being mixed into an electronic document without being influenced by an operating environment of a computer by providing a document producing application and a document accessing application by the same application provider. In the electronic document having an encapsulated document structure, a document information file stores document information that is a substance of expression of a document. An operating program file stores an operating program that materializes the document information, a limitation being given to the operating program by a security function when the operating program is interpreted and executed by a computer. The document information file and the operating program file are encapsulated as a single document.
    Type: Application
    Filed: December 23, 2003
    Publication date: September 30, 2004
    Inventors: Akira Suzuki, Masami Koide, Takefumi Hasegawa
  • Publication number: 20020113946
    Abstract: The present invention provides an image input apparatus into which a three-dimensional image as well as a two-dimensional image can be easily input. This image input apparatus includes an image pick-up unit, a projector unit, and a mover unit. The projector unit projects a predetermined projection light pattern onto an image object, and the image pick-up unit picks up the projection image containing distortions of the projection light pattern. The relative position between the projector unit and the image pick-up unit is fixed. The mover unit moves the image pick-up unit relatively with the projector unit, so that the image pick-up unit can pick up a plurality of projection images at different image pick-up locations.
    Type: Application
    Filed: February 14, 2002
    Publication date: August 22, 2002
    Inventors: Takashi Kitaguchi, Yasuhiro Sato, Tomofumi Kitazawa, Shin Aoki, Takefumi Hasegawa