Patents by Inventor Toshihiko Suzuki

Toshihiko Suzuki 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).

  • Bidirectional communication optical waveguide and manufacturing method thereof
    Patent number: 7386213
    Abstract: The present invention provides a bidirectional communication optical waveguide which can adopt a configuration in which light sources having the same wavelengths are used and stray light is not inputted to either a light emitting device or a light receiving device, and the bidirectional communication optical waveguide realizes a bidirectional communication module. The bidirectional communication optical waveguide includes a main waveguide core and a sub-waveguide core. A main inclined plane is provided in a midway of an optical path in the main waveguide core.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: June 10, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda, Eiichi Akutsu, Akira Fujii, Toshihiko Suzuki
  • Optical waveguide film, and light transmission and reception module
    Patent number: 7382960
    Abstract: An optical waveguide film that can supply power at extremely low cost, and a light transmission and reception module using this film are provided. A macromolecular optical waveguide film is composed of a square-shaped waveguide core which extends in a film length direction, a conductive wires which extends in the film length direction and is arranged in parallel with the waveguide core, and a cladding which surrounds the waveguide core and the conductive wire. The two conductive wires are provided, and the waveguide core is provided between the two conductive wires.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: June 3, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shigemi Ohtsu, Toshihiko Suzuki, Keishi Shimizu, Kazutoshi Yatsuda, Akira Fujii, Eiichi Akutsu
  • Phase retardation film and liquid crystal display device including the same
    Patent number: 7365815
    Abstract: Disclosed is a phase retardation film including two outer layers facing each other, and an inner layer interposed between the outer layers, each of the outer layers are formed of a non-styrene polymeric material and the inner layer being formed of a polymeric material with a negative intrinsic birefringence, wherein the phase retardation film has a negative intrinsic birefringence and a Haze from 0% to 1%. A liquid crystal display device including the phase retardation film is also disclosed.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: April 29, 2008
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kyoko Hino, Toshihiko Suzuki, Hiroaki Takahata, Ryuma Kuroda
  • Sub-mount for mounting optical component and light transmission and reception module
    Patent number: 7350982
    Abstract: A sub-mount includes a recess for holding a polymer optical waveguide film and recesses for embedding and holding a light emitting element and a light detecting element. The sub-mount further has an adhesive filling groove formed adjacent to respective recesses. When mounting the polymer optical waveguide film, the light emitting element, and the light detecting element onto the sub-mount, an adhesive is accurately applied and is prevented from flowing out as the adhesive filling grooves are provided.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: April 1, 2008
    Assignee: Fuji Xerox Co., Ltd
    Inventors: Shigemi Ohtsu, Toshihiko Suzuki, Keishi Shimizu, Akira Fujii, Kazutoshi Yatsuda, Eiichi Akutsu
  • Image display system
    Patent number: 7336271
    Abstract: An image display system includes a screen comprising a pair of substrates with transparent electrodes provided thereon, and a liquid crystal layer sandwiched between the substrates, the liquid crystal layer containing a cured resin and being capable of exhibiting a light transmissive state and a light scattering state; and an image-projecting unit for projecting an image on the screen; wherein a frame comprising a combination of the light transmissive state and the light scattering state as a minimum repetitive satisfies a certain relationship.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: February 26, 2008
    Assignee: OPTREX Corporation
    Inventors: Masao Ozeki, Masanobu Isshiki, Shinya Tahara, Toshihiko Suzuki
  • Flexible optical waveguide film, optical transceiver module, multi-channel optical transceiver module, and method of manufacturing flexible optical waveguide film
    Publication number: 20080031583
    Abstract: A flexible optical waveguide film comprises: two waveguide cores; and a clad surrounding the two waveguide core, wherein a light entrance/exit part is disposed at one end of each of the two waveguide cores, the waveguide film having an optical path converting part comprising an air void located inside the waveguide film, and a light entrance/exit end face of the light entrance/exit part is a plane surface facing an optical path converting surface of the optical path converting part, the optical path converting surface being an interface defining the air void.
    Type: Application
    Filed: April 5, 2007
    Publication date: February 7, 2008
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shigemi Ohtsu, Toshihiko Suzuki, Akira Fujii, Kazutoshi Yatsuda, Keishi Shimizu, Eiichi Akutsu
  • Optical waveguide and method of manufacturing the same
    Publication number: 20080013903
    Abstract: An optical waveguide comprises: a core for propagating light; a clad covering the core; and a line convex part extending along a line different from the core, the line convex part comprising a cavity used as a positioning mark inside the line convex part.
    Type: Application
    Filed: April 5, 2007
    Publication date: January 17, 2008
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Akira Fujii, Toshihiko Suzuki, Keishi Shimizu, Kazutoshi Yatsuda, Shigemi Ohtsu, Eiichi Akutsu
  • Optical waveguide, method of manufacturing the same and optical communication module
    Publication number: 20070292091
    Abstract: An optical waveguide includes: a lower substrate; a waveguide core that is formed on the lower substrate; a clad that is formed to surround a periphery of the waveguide core; and an upper substrate that is opposed to the lower substrate, wherein the waveguide cores, the lower substrate and the upper substrate surround a cavity extended along the waveguide core.
    Type: Application
    Filed: November 29, 2006
    Publication date: December 20, 2007
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Akira Fujii, Toshihiko Suzuki, Keishi Shimizu, Kazutoshi Yatsuda, Shigemi Ohtsu, Eiichi Akutsu
  • Shock Absorbing Packaging Material
    Publication number: 20070284281
    Abstract: A shock absorbing packaging material has a pair of inner frame members on which shock absorbing films are stretched to cover window holes and an outer frame member holding the pair of inner frame members in an opposed state. The outer frame member has a tube surrounding the outer peripheral edges of the pair of inner frame members, a one side support piece formed by extending one opening edge of the tube, and the other side support piece formed by extending the other opening edge of the cylindrical body. The pair of inner frame members are disposed in the hollow portion of the tube, and the outer peripheral part of the one inner frame member is supported by the one side support piece folded to the inside of the tube.
    Type: Application
    Filed: March 25, 2005
    Publication date: December 13, 2007
    Applicant: Nakagawa Package Co., Ltd.
    Inventors: Naohiro Shimazu, Toshihiko Suzuki
  • Optical waveguide and process for manufacturing the same
    Patent number: 7308180
    Abstract: The present invention provides an optical waveguide, which at least includes: a waveguide core having a cavity therein; and a clad which encloses the periphery of the waveguide core and has a smaller refractive index than the waveguide core, wherein the optical waveguide changes a direction of a part or all of propagated light by using a part or all of an interface between the waveguide core and the cavity as a reflecting surface. The present invention further provides a method for manufacturing the optical waveguide, which at least includes: forming a core having a cavity therein on a substrate; applying an uncured clad material to a side surface and an upper portion of the core while maintaining the cavity which allows an atmospheric gas to be present in the cavity; and curing the clad material by heat or light to seal the gas in the cavity.
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: December 11, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Akira Fujii, Toshihiko Suzuki, Keishi Shimizu, Kazutoshi Yatsuda, Shigemi Ohtsu, Eiichi Akutsu
  • Lens-incorporating optical waveguide, and method for manufacturing the same
    Publication number: 20070237454
    Abstract: A lens-incorporating optical waveguide includes: a core; a clad enclosing the cores; and a lens provided in the core so as to cross a propagating direction of light.
    Type: Application
    Filed: November 1, 2006
    Publication date: October 11, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Akira Fujii, Toshihiko Suzuki, Keishi Shimizu, Kazutoshi Yatsuda, Shigemi Ohtsu, Eiichi Akutsu
  • Flexible optical waveguide
    Patent number: 7248772
    Abstract: A flexible optical waveguide having a core in which light propagates; and a cladding portion with a smaller refractive index than the core, that surrounds the core, wherein the flexible optical waveguide has a flexible portion between both end portions thereof, and at least one end portion of the both end portions is more solid than the flexible portion, is provided, which flexible optical waveguide, while assuring flexibility, can be mounted with high accuracy.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: July 24, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Toshihiko Suzuki, Shigemi Ohtsu, Keishi Shimizu, Kazutoshi Yatsuda, Akira Fujii, Eiichi Akutsu
  • Recording apparatus
    Patent number: 7242846
    Abstract: A recording apparatus, wherein in a photographing mode in which image data and audio data obtained using a camera section and microphone, respectively, built into the apparatus are recorded, a head element is moved at a first speed corresponding to the photographing mode, and in an external input mode in which image data and audio data input by external sources are recorded, a head mechanism is moved at a second speed.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: July 10, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventor: Toshihiko Suzuki
  • Optical waveguide film, and light transmission and reception module
    Publication number: 20070140633
    Abstract: An optical waveguide film that can supply power at extremely low cost, and a light transmission and reception module using this film are provided. A macromolecular optical waveguide film is composed of a square-shaped waveguide core which extends in a film length direction, a conductive wires which extends in the film length direction and is arranged in parallel with the waveguide core, and a cladding which surrounds the waveguide core and the conductive wire. The two conductive wires are provided, and the waveguide core is provided between the two conductive wires.
    Type: Application
    Filed: February 12, 2007
    Publication date: June 21, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shigemi Ohtsu, Toshihiko Suzuki, Keishi Shimizu, Kazutoshi Yatsuda, Akira Fujii, Eiichi Akutsu
  • AUDIO PLAYBACK APPARATUS
    Publication number: 20070116301
    Abstract: An audio playback apparatus realizes both of normal playback and loop playback with respect to compressive coded data forming an audio waveform of one phrase, which is constituted by a string of samples and which includes a loop section. In the normal playback, a decoder sequentially reproduces the samples. In the loop playback, the decoder sequentially reproduces the samples until a sample preceding a loop start point, then, the decoder repeatedly reproduces the samples belonging to the loop section, then, the decoder sequentially reproduces the samples started from the loop start point. Alternatively, two decoders are alternately controlled to perform decoding in the loop playback. Thus, it is possible to reliably output all the samples including the samples of the loop section without causing breaks.
    Type: Application
    Filed: November 1, 2006
    Publication date: May 24, 2007
    Applicant: YAMAHA CORPORATION
    Inventor: Toshihiko SUZUKI
  • Optical waveguide and optical waveguide manufacturing method
    Publication number: 20070114684
    Abstract: The present invention provides an optical waveguide manufacturing method. A polymer resin with different refractive index from the polymer film is applied to a polymer film and is cured, so that a double-layered polymer film, which has a cladding layer and a core layer with higher refractive index than the cladding layer, is manufactured. The core layer is cut by the dicing saw having a blade for enabling cutting of a resin layer, so as to be processed into core portions of the optical waveguide. Cut concave portions of the core layer are filled with polymer resin having the same refractive index with the cladding layer. The core portions are further covered with the polymer resin, and the polymer resin is cured so that a cladding resin layer is formed.
    Type: Application
    Filed: June 22, 2006
    Publication date: May 24, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shigemi Ohtsu, Toshihiko Suzuki, Kazutoshi Yatsuda, Akira Fujii, Keishi Shimizu, Eiichi Akutsu
  • Image sensing apparatus using a non-interlace scanning type image sensing device
    Patent number: 7218343
    Abstract: In an image sensing apparatus using a non-interlace scanning type image sensing element, image data as well as a signal indicating whether the image data is sensed in a mode which is suitable for sensing a moving image (field image sensing mode) or sensed in a mode which is suitable for sensing a still image (frame image sensing mode) are recorded in a recording medium. In reproducing the image data from the recording medium, in a case where the recorded image data is sensed in the frame image sensing mode and a moving image output is required, an interpolation filter controller controls an interpolation filter to generate and output field images interpolated between consecutive frame images on the basis of the reproduced even or odd line field image data of the two consecutive frame images, thereby obtaining a smooth moving image.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: May 15, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ken Terasawa, Toshihiko Suzuki
  • Vehicle bumper beam mounting structure
    Patent number: 7210719
    Abstract: A bumper beam mounting structure for absorbing an impact at a bumper beam and mounting members thereof in a vehicle minor collision is provided. The mounting structure has the mounting members attached to curved portions of right and left curved ends of the bumper beam. The mounting members are attachable to vehicle body members. The mounting members are in a right triangular shape in a plan view. A sloping portion corresponding to the hypotenuse is formed with a depressed portion for absorbing an impact.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: May 1, 2007
    Assignee: Honda Motor Co., Ltd.
    Inventors: Keiichi Honda, Kazuo Omura, Toshihiko Suzuki
  • Optical waveguide film, and light transmission and reception module
    Patent number: 7197221
    Abstract: An optical waveguide film that can supply power at extremely low cost, and a light transmission and reception module using this film are provided. A macromolecular optical waveguide film is composed of a square-shaped waveguide core which extends in a film length direction, a conductive wires which extends in the film length direction and is arranged in parallel with the waveguide core, and a cladding which surrounds the waveguide core and the conductive wire. The two conductive wires are provided, and the waveguide core is provided between the two conductive wires.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: March 27, 2007
    Assignee: Fuji Xeorx Co., Ltd
    Inventors: Shigemi Ohtsu, Toshihiko Suzuki, Keishi Shimizu, Kazutoshi Yatsuda, Akira Fujii, Eiichi Akutsu
  • Bidirectional communication optical waveguide and manufacturing method thereof
    Publication number: 20070025671
    Abstract: The present invention provides a bidirectional communication optical waveguide which can adopt a configuration in which light sources having the same wavelengths are used and stray light is not inputted to either a light emitting device or a light receiving device, and the bidirectional communication optical waveguide realizes a bidirectional communication module. The bidirectional communication optical waveguide includes a main waveguide core and a sub-waveguide core. A main inclined plane is provided in a midway of an optical path in the main waveguide core. The sub-waveguide core is provided with a sub-inclined plane in one end portion, and is close to or in contact with the main waveguide core such that the sub-inclined plane and the main inclined plane face each other.
    Type: Application
    Filed: October 20, 2005
    Publication date: February 1, 2007
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda, Eiichi Akutsu, Akira Fujii, Toshihiko Suzuki