Patents Assigned to PENTAX Corporation
  • Publication number: 20100311902
    Abstract: Highly dispersible inorganic compound nanoparticles modified by functional molecules include the functional molecules; a high molecular nitrogen compound having at least two amino groups selected from primary amino groups, secondary amino groups and tertiary amino groups; and inorganic compound nanoparticles bonded to at least one amino group of the at least two amino groups. The high molecular nitrogen compound is modified by the functional molecules, and the inorganic compound nanoparticles are covered with the high molecular nitrogen compound modified by the functional molecules.
    Type: Application
    Filed: September 14, 2006
    Publication date: December 9, 2010
    Applicant: PENTAX CORPORATION
    Inventors: Akira YAMAMOTO, Yusuke IIMORI, Mae KOYAMA
  • Patent number: 7675016
    Abstract: A solid-state image pickup device including a substrate having a first face and a second face which serves as an opposite face of the first face; a solid-state image pickup element having a plurality of electrodes and a light sensing part, an opposite face of the light sensing part being bonded to the first face via a bonding agent; a plurality of wires formed over the face, first ends of the wires serving as external electrode terminals; and a connection part for electrically connecting the electrodes to the wires, wherein an endless-shaped contraction frame formed of resin larger in thermal expansion coefficient than the substrate and image pickup element is bonded to and formed on surface of the substrate located outside the light sensing part so as to surround the light sensing part, and a light sensing face of the light sensing part is warped.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: March 9, 2010
    Assignees: Hitachi, Ltd., Pentax Corporation
    Inventors: Chihiro Mochizuki, Hiroshi Kikuchi, Akira Arimoto, Masaru Eguchi, Shinichi Arai
  • Publication number: 20090309993
    Abstract: An image surface illuminance varying apparatus includes a variable power optical system in which the optical power thereof can be varied by changing a relative position of a plurality of optical elements thereof; and a light-quantity ratio varying optical element whose transmittance varies in a direction perpendicular to an optical axis of the variable power optical system, the light-quantity ratio varying optical element being located in a light path of the variable power optical system to reduce an illuminance difference of an imaging surface. A distance from the light-quantity ratio varying optical element, which is moved along the optical axis, to a diaphragm or a shutter is varied in accordance with the power varying operation.
    Type: Application
    Filed: August 24, 2009
    Publication date: December 17, 2009
    Applicant: PENTAX CORPORATION
    Inventor: Isamu Hirai
  • Publication number: 20090166580
    Abstract: A method for producing a porous body comprising apatite/collagen composite fibers comprising the steps of gelling a dispersion comprising long apatite/collagen composite fibers having an average length of 10-75 mm, short apatite/collagen composite fibers having an average length of 0.05-1 mm, and a liquid; freezing and drying the resultant gel to form a porous body; and cross-linking collagen in the porous body.
    Type: Application
    Filed: October 13, 2005
    Publication date: July 2, 2009
    Applicants: NATIONAL INSTITUTE FOR MATERIALS SCIENCE, PENTAX CORPORATION
    Inventors: Junzo Tanaka, Masanori Kikuchi, Toshiyuki Ikoma, Daisuke Shoji, Katsumi Kawamura, Takehiko Nakajima, Naomi Mochizuki
  • Patent number: D588179
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: March 10, 2009
    Assignee: Pentax Corporation
    Inventor: Toshihiro Hamamura
  • Patent number: D591783
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: May 5, 2009
    Assignee: PENTAX Corporation
    Inventor: Takashi Matsuda
  • Patent number: D592053
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: May 12, 2009
    Assignee: PENTAX Corporation
    Inventor: Takeo Suzuki
  • Patent number: D592232
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: May 12, 2009
    Assignee: PENTAX Corporation
    Inventor: Takashi Matsuda
  • Patent number: D593267
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: May 26, 2009
    Assignee: Pentax Corporation
    Inventor: Yuji Terao
  • Patent number: D594615
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: June 16, 2009
    Assignee: Pentax Corporation
    Inventor: Takeo Suzuki
  • Patent number: D597115
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: July 28, 2009
    Assignee: PENTAX Corporation
    Inventor: Toshiya Inaba
  • Patent number: D599390
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: September 1, 2009
    Assignee: PENTAX Corporation
    Inventor: Suguru Takishima
  • Patent number: D599905
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: September 8, 2009
    Assignee: PENTAX Corporation
    Inventor: Takeshi Matsushita
  • Patent number: D600729
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: September 22, 2009
    Assignee: Pentax Corporation
    Inventor: Suguru Takishima
  • Patent number: D602060
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: October 13, 2009
    Assignee: Pentax Corporation
    Inventor: Suguru Takishima
  • Patent number: D602772
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: October 27, 2009
    Assignee: Pentax Corporation
    Inventors: Takeo Suzuki, Michiko Sakamoto
  • Patent number: D603438
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: November 3, 2009
    Assignee: PENTAX Corporation
    Inventor: Suguru Takishima
  • Patent number: D618794
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: June 29, 2010
    Assignee: PENTAX Corporation
    Inventor: Koki Onuma
  • Patent number: D619248
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: July 6, 2010
    Assignee: PENTAX Corporation
    Inventor: Hidetaka Yokota
  • Patent number: D674486
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: January 15, 2013
    Assignee: Pentax Corporation
    Inventor: Koki Onuma