Patents by Inventor Hisayoshi Fujimoto

Hisayoshi Fujimoto 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: 8240902
    Abstract: A linear light source device includes a light guiding member formed of a transparent body and an LED element arranged to face an end of the light guiding member. A plurality of recesses or projections are formed in a circumferential direction on the transparent body. Light from the LED element incident on the recesses or projections is reflected by the recesses or projections and travels toward the side of the light guiding member opposite to the recesses or projections to be emitted to the outside.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: August 14, 2012
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Takaya Nagahata
  • Publication number: 20100014315
    Abstract: A linear light source apparatus (100) includes a light guide member (120) made of a transparent resin, and a light emitting element (200) for emitting light to the light guide member (120). The light guide member (120) includes a columnar main body (130), and a first end (121) and a second end (122) at two ends of the main body (130). The main body (130) includes a circumferential surface that is a smooth mirror surface and formed with a plurality of recesses (131) or projections (132) in a predetermined strip-shaped region extending in the longitudinal direction. The light emitted from the light emitting element (200) is emitted from a region of the main body (130), which faces the strip-shaped region, along the length of the main body (130). The recesses (131) or projections (132) extend straight in the width direction of the strip-shaped region.
    Type: Application
    Filed: February 26, 2008
    Publication date: January 21, 2010
    Applicant: ROHM CO., LTD
    Inventor: Hisayoshi Fujimoto
  • Publication number: 20090225405
    Abstract: A wide-angle lens includes an object-side lens group 200, an image-forming side lens group 400, and at least one converging lens 300 arranged between the object-side lens group 200 and the image-forming side lens group 400. The object-side lens group 200 includes at least one concave lens 210 including a convex light incident surface 211 on the object side. The light incident surface 211 of the concave lens 210 is a convex aspheric surface 211a whose curvature increases from a portion adjacent to the central optical axis toward the periphery of the lens. The concave lens further includes a light emitting surface 212 which is a substantially concave spherical surface.
    Type: Application
    Filed: February 1, 2007
    Publication date: September 10, 2009
    Applicant: ROHM CO., LTD
    Inventor: Hisayoshi Fujimoto
  • Publication number: 20090219586
    Abstract: A light guide member (120) includes a columnar main body (130) of a predetermined length, which is made of a transparent material and has a substantially uniform cross section. A first end (121) and a second end are provided at respective ends of the main body (130), and LED elements (200) are arranged to face the first end (121) and the second, respectively. The main body(130) includes a smooth mirror circumferential surface formed with a plurality of recesses (131) or projections spaced from each other in the longitudinal direction and arranged within a predetermined range in the circumferential direction. Due to the recesses or projections, throughout the length of the main body (130) , light emitted from the LED elements (200) and introduced into the main body (130) through each of the first end (121) and the second end is emitted from a region of the circumferential surface of the main body (130) which faces the range formed with the recesses (131) or the projections.
    Type: Application
    Filed: February 22, 2007
    Publication date: September 3, 2009
    Applicant: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Takaya Nagahata
  • Patent number: 7453517
    Abstract: An image sensor module A1 includes a case 300, a photoelectric converter 400 positioned within the case 300, and first and second optical units 100, 200 for forming an image of a subject on the light-receiving surface of the photoelectric converter 400. Imaging of the subject using the first optical unit 100, or imaging of the subject using the second optical unit 200, can be selected. It is possible to conduct a plurality of types of imaging each having a different view angle, while restricting increases in size and cost.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: November 18, 2008
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Norihiro Imamura
  • Patent number: 7440189
    Abstract: A method of making a lens array includes a first step of forming a resin-molded piece, a second step of applying a coating to the resin-molded piece, a third step of melting the applied coating and a fourth step of solidifying the melted coating. The resin-molded piece formed in the first step includes a plurality of lenses each having a convex lens surface, and a holder portion for holding the plurality of lenses. In the second step, the coating is applied to the holder portion so as to surround each lens surface.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: October 21, 2008
    Assignee: Rohm Co., Ltd.
    Inventors: Norihiro Imamura, Hisayoshi Fujimoto, Minori Torama
  • Patent number: 7436556
    Abstract: An image reading apparatus includes a light source for illuminating an image reading region extending in the primary scanning direction, and a plurality of lenses for focusing light reflected on the image reading region and for producing reduced images. Each of the lenses has an optical axis which intersects a predetermined portion of the image reading region. The image reading apparatus further includes a plurality of light receiving elements for output of image signals based on the light focused by the lenses and a light conductor for leading the light emitted by the light source toward the image reading region. The light conductor leads the emitted light so that the predetermined portion of the image reading region is illuminated more brightly than the adjacent portions.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: October 14, 2008
    Assignee: Rohm Co., Ltd.
    Inventors: Hiroaki Onishi, Hisayoshi Fujimoto, Norihiro Imamura
  • Patent number: 7391457
    Abstract: An image sensor module includes a lens member, a resin frame that holds the lens member, a diaphragm formed on the lens member, an image sensor chip that receives light converged by the lens member, and a supporting board upon which the image sensor chip is mounted. The board is fixed to the bottom side of the resin frame. The diaphragm includes an opening for allowing the passage of light, and a light-shielding portion which is entirely held in contact with the lens member. The lens member is glued to the frame so that any additional fixing element such as a lens cap is unnecessary.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: June 24, 2008
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi
  • Patent number: 7352402
    Abstract: An image sensor module includes a holder and a lens unit attached in the holder. The lens unit is held in the holder by at least one engagement projection formed by plastically deforming a part of the holder. Preferably, the lens unit includes a first lens spaced from the engagement projection and a second lens adjoining the engagement projection. Each of the first lens and the second lens includes a central lens portion, and a flat peripheral portion surrounding the lens portion. The flat peripheral portion of the first lens is held in contact with the flat peripheral portion of the second lens. The engagement projection engages the flat peripheral portion of the second lens.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: April 1, 2008
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi
  • Patent number: 7166907
    Abstract: An image sensor module (S) includes a substrate (4) having a projecting portion (41) projecting sideways from a frame (3). The projecting portion (41) has an end (4b) provided with a plurality of terminals (81) electrically connected to an image sensor chip (5). The image sensor module (X) can be easily connected to another apparatus by inserting the end (4b) of the projecting portion (41) into a socket type connector.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: January 23, 2007
    Assignee: Rohm Co., Ltd.
    Inventors: Hiroaki Onishi, Hisayoshi Fujimoto
  • Patent number: 7156569
    Abstract: A wall-mounting image processing apparatus (A) includes a machine housing (90) mounted on a substantially vertical wall surface (H), and an image reading/writing head (X) disposed in the machine housing. The image reading/writing head (X) includes a substrate (4) having one surface (4A) on which a plurality of light receiving elements (4a) are arranged in a row. Part of said one surface (4A) forms an excess surface (49) projecting laterally from a head case (1), and the printing elements (4b) are arranged on the excess surface (49).
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: January 2, 2007
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi, Toshihiko Takakura, Norihiro Imamura
  • Publication number: 20050253951
    Abstract: An image sensor module A1 includes a case 300, a photoelectric converter 400 positioned within the case 300, and first and second optical units 100, 200 for forming an image of a subject on the light-receiving surface of the photoelectric converter 400. Imaging of the subject using the first optical unit 100, or imaging of the subject using the second optical unit 200, can be selected. It is possible to conduct a plurality of types of imaging each having a different view angle, while restricting increases in size and cost.
    Type: Application
    Filed: September 9, 2003
    Publication date: November 17, 2005
    Applicant: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Norihiro Imamura
  • Patent number: 6953263
    Abstract: A linear light source (A) including an insulating substrate (1), a plurality of light emitting elements (3) arranged in columns on the substrate (1), a wiring pattern (2) connected with the light emitting elements (3) and co formed on the substrate (1) so as to divide the light emitting elements (3) into a plurality of groups (B1 to Bn), and first and second terminal units (23a, 23b) in continuity with the wiring pattern (2). The plurality of light emitting elements (3) define a plurality of clearances (P1 to P2?1) between adjacent light emitting elements, the clearances (P P1 to P2?1) being adjusted so as to have different lengths.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: October 11, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi, Norihiro Imamura
  • Patent number: 6952273
    Abstract: The image processing apparatus (B) includes an integrated image-reading/writing head (A), platen rollers (P1, P2) for a document and a recording paper, and data processor (7) performing data processing necessary for copying an image on the document. The integrated image-reading/writing head (A), a plurality of light receiving elements (20) and a plurality of printing elements (8) are mounted on the same surface of a substrate (4). If the document (D) and the recording paper (K) are fed in the same direction, when the image on the document is copied, the pixel data outputted for the printing are arranged in the order of first to n-th. If the document (D) and the recording paper (K) are fed in opposite directions to each other, the pixel data outputted for the printing are arranged in the order of n-th to first.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: October 4, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi, Toshihiko Takakura, Norihiro Imamura
  • Patent number: 6952289
    Abstract: The integrated image reading/writing head (X) includes a substrate (4) having a surface (40) provided with a reading circuit including a plurality of light receiving elements (20), a plurality of printing elements (60) and a writing circuit for controlling the printing elements (60). The substrate (4) is fitted with a connector (8) for electrical wiring. The connector (8) is electrically connected with each of the reading circuit, the printing elements and the writing circuit.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: October 4, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi, Toshihiko Takakura, Norihiro Imamura
  • Patent number: 6948871
    Abstract: The image processing device (A) comprises an original-document platen roller (P1) that has a first driven gear (G1) and is for transporting an original document (D), a recording-paper platen roller (P2) that has a second driven gear (G2) and is for transporting recording paper (K), and a drive mechanism (2) that has a first movable gear (a1), a second movable gear (a2), and a drive source (M) and is for transmitting a drive force generated by this drive source (M) to the first driven gear (G1) and second driven gear (G2). First movable gear (a1) is provided so as to be capable of engaging directly with first driven gear (G1), and second movable gear (a2) is provided so as to be capable of engaging directly with second driven gear (G2).
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: September 27, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hiroaki Onishi, Hisayoshi Fujimoto
  • Patent number: 6947168
    Abstract: An image processing apparatus includes an image read/write head providing an image read line and including an image sensor for reading a document at the image read line, the image read/write head further including a substrate carrying a row of heating elements, a document transfer mechanism for transferring the document across the image read line, a recording paper transfer mechanism for transferring a recording paper across the row of heating elements, and an ink ribbon transfer mechanism for transferring an ink ribbon from a first winding core to a second winding core across the row of heating elements. The ink ribbon is sandwiched between the heating elements and the recording paper in passing across the row of heating elements. The first winding core is arranged on one side of the image read/write head thicknesswise of the substrate, the second winding core being arranged on an opposite side of the image read/write head thicknesswise of the substrate.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: September 20, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi, Norihiro Imamura
  • Patent number: 6947184
    Abstract: An image read/write head (A) includes a support (7) for supporting at least one of paired platen rollers (P1, P2) and a detector (2) for detecting at least one of a document (D) and a recording paper (K). Therefore, an image processing apparatus incorporating the image read/write head (A) can be easily manufactured. The image read/write head (A) further includes a reflection preventing member (6) for collectively surrounding the plurality of light receiving elements (3) and the plurality of drive IC chips (80). Therefore, it is possible to prevent the plurality of light receiving elements from receiving scattering light or disturbing external light.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: September 20, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hiroaki Onishi, Hisayoshi Fujimoto
  • Patent number: 6917453
    Abstract: An image reader (A) includes a plurality of light sources (6) arranged in line, the light from which travels through a channel (14) and irradiates a linear read area (S). The channel (14) is divided into a plurality of sections (14a) by a plurality of partitions (15). Thus, uniform brightness is obtained in the whole part of the linear read area (S), including both ends and the central part.
    Type: Grant
    Filed: September 6, 1999
    Date of Patent: July 12, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hiroaki Onishi, Tokihiko Kishimoto, Hisayoshi Fujimoto
  • Patent number: 6864999
    Abstract: An integrated image-reading/writing head A comprises an oblong rectangular substrate (4) having a first longitudinal edge portion (4c), a second longitudinal edge portion (4d) and a surface (4a) mounted with an array of light receiving elements (2) and an array of drive IC's (80). The surface (4a) of the substrate (4) is fitted with an oblong case (1) enclosing therein the light receiving elements (2) and the drive IC's (80). The first longitudinal edge portion (4c) of the substrate (4) is extended out of the case by a predetermined width. The surface (4a) of the substrate (4) is further mounted with a light source (3) enclosed within the case (1). A plurality of heating elements (8) are mounted on a region of the surface (4a) of the substrate (4) extended out of the case (1).
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: March 8, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi, Toshihiko Takakura, Norihiro Imamura