Patents by Inventor Takahiro KURASHIMA

Takahiro KURASHIMA 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).

  • BLADE MEMBER AND STRUCTURAL MEMBER
    Publication number: 20240102389
    Abstract: A blade member on a surface of which a groove structure is formed, wherein the groove structure includes a plurality of first groove structures, a plurality of second groove structures, and a third groove structure, the plurality of first groove structures are formed to extend in a first direction, the plurality of second groove structures are formed to extend in a second direction that is different from the first direction, the third groove structure extends along a third direction that is different from the first and second directions, and is formed between one first groove structure and one second groove structure.
    Type: Application
    Filed: February 5, 2021
    Publication date: March 28, 2024
    Applicant: NIKON CORPORATION
    Inventors: Masayuki SHIRAISHI, Takahiro KURASHIMA, Baku OGASAWARA
  • Light condensing device, photovoltaic power generation device and photo-thermal conversion device
    Patent number: 9046279
    Abstract: A first prism member includes a plurality of light condensing structures that are formed at the front surface and condense the light having entered thereat and a plurality of deflecting structures which deflect light having been condensed via the light condensing structures and output the deflected light; a second prism member includes an entrance surface set so as to face opposite the rear surface of the first prism member; and the light having been deflected and output by the deflecting structures of the first prism member enters the second prism member through the entrance surface of the second prism member, is guided toward the exit surface as the light is reflected at the reflecting structure and at the entrance surface inside the second prism member, and exits through the exit surface.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: June 2, 2015
    Assignee: NIKON CORPORATION
    Inventors: Tatsuo Niwa, Wakana Uchida, Tatsuya Senga, Takahiro Kurashima
  • LIGHT CONDENSING DEVICE, PHOTOVOLTAIC POWER GENERATION DEVICE AND PHOTO-THERMAL CONVERSION DEVICE
    Publication number: 20140224301
    Abstract: A first prism member includes a plurality of light condensing structures that are formed at the front surface and condense the light having entered thereat and a plurality of deflecting structures which deflect light having been condensed via the light condensing structures and output the deflected light; a second prism member includes an entrance surface set so as to face opposite the rear surface of the first prism member; and the light having been deflected and output by the deflecting structures of the first prism member enters the second prism member through the entrance surface of the second prism member, is guided toward the exit surface as the light is reflected at the reflecting structure and at the entrance surface inside the second prism member, and exits through the exit surface.
    Type: Application
    Filed: April 18, 2014
    Publication date: August 14, 2014
    Inventors: Tatsuo NIWA, Wakana UCHIDA, Tatsuya SENGA, Takahiro KURASHIMA