Patents by Inventor Takashi Iwasaki

Takashi Iwasaki 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: 11139409
    Abstract: When upper-lower positional relationship on an optical path is defined such that the primary concentrating portion is at an upper position than the secondary concentrating portion, the secondary concentrating portion includes: a secondary lens provided above the power generating element; a lens supporting portion configured to support the secondary lens; and a shielding plate being a flat-plate-shaped member preventing sunlight to pass therethrough whereas allowing an upper portion of the secondary lens to be exposed from a hole formed in the flat-plate-shaped member, the shielding plate being fixed in a state of being mounted to the lens supporting portion, the shielding plate being configured to block light converging at a position outside the secondary lens.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: October 5, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Youichi Nagai, Takashi Iwasaki, Kenji Saito, Kazumasa Toya
  • Patent number: 11101395
    Abstract: This wiring module includes: a wiring substrate; a base portion at which the wiring substrate is placed; and an adhesive layer configured to adhere the wiring substrate to the base portion, wherein the wiring substrate includes: a land portion configured to have a power generating element mounted thereto; and a wire portion configured to be electrically connected to the power generating element, the adhesive layer has: a land adhesion region configured to adhere the land portion to the base portion; and a wire adhesion region configured to adhere the wire portion to the base portion, and a width of the wire adhesion region is smaller than a width of the land adhesion region.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: August 24, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazumasa Toya, Takashi Iwasaki, Youichi Nagai, Koji Mori, Kenji Saito, Rui Mikami, Takeshi Yamana
  • Publication number: 20210167725
    Abstract: This method for detecting a poor module-mounting-state in a concentrator photovoltaic apparatus includes: photographing a surface of an array by an imaging device; obtaining an image in which a virtual image, magnified through a condenser lens, of a light receiving portion including a cell and a vicinity thereof is formed, and a collection of pixels of the virtual image forms a composite virtual image of an entirety of the light receiving portion, the composite virtual image being projected over a plurality of modules; and detecting a poor module-mounting-state based on a form of the composite virtual image.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 3, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takashi IWASAKI, Koji MORI, Kenji SAITO, Kazushi IYATANI, Yoshikazu KOGETSU
  • Publication number: 20210126579
    Abstract: This photovoltaic module includes: a power generating element configured to receive sunlight to generate power; and a housing which is closed, the housing having: a concentrating portion provided with a lens configured to concentrate sunlight; a bottom portion in which the power generating element is disposed; and a side wall serving as an outer frame for the bottom portion and supporting the concentrating portion. The side wall is a resin molded body including a resin and glass fibers dispersed in the resin, the resin is one of PET (Polyethylene terephthalate), PBT (Polybutylene Terephthalate), and PP (Polypropylene), and the glass fibers are orientated, in the resin, along a crossing direction that crosses a direction of an optical axis of the lens.
    Type: Application
    Filed: January 5, 2021
    Publication date: April 29, 2021
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Makoto INAGAKI, Youichi Nagai, Kenji Saito, Takashi Iwasaki, Rui Mikami, Tomohiro Nemoto
  • Patent number: 10985286
    Abstract: This power generation module includes: a power generating portion (30) including a power generating element (19); and a wiring substrate. The wiring substrate includes: a reinforcement plate; and a flexible printed circuit (79) provided above the reinforcement plate. The flexible printed circuit (79) has: an FPC land portion (70) configured to have the power generating portion (30) mounted thereto; and a FPC wire portion (73) connected to the FPC land portion (70). The width of the FPC wire portion (73) is smaller than the width of the FPC land portion (70).
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: April 20, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazumasa Toya, Takashi Iwasaki, Youichi Nagai, Koji Mori, Kenji Saito, Rui Mikami, Takeshi Yamana
  • Patent number: 10965242
    Abstract: A photovoltaic apparatus includes: a power generation part; an angle changeable mechanism configured to support the power generation part so as to be able to change an elevation of the power generation part; a post configured to support the power generation part and the angle changeable mechanism; and a hinge mechanism configured to support the post so as to be able to change an angle of the post relative to an installation surface for the photovoltaic apparatus.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: March 30, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Koji Mori, Takashi Iwasaki, Masao Moriguchi
  • Patent number: 10937918
    Abstract: Provided is a flexible printed circuit including: a film-shaped insulating base material having flexibility and having a withstand voltage value of at least 2000 V; and an electric conductor layer formed on the insulating base material and forming a circuit pattern, wherein with respect to the insulating base material, a principal component thereof is a polyimide and a filler content thereof is 0%. Thus, a flexible printed circuit can be obtained that has an insulating base material which suppresses decrease in withstand voltage performance even in a high humidity environment.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: March 2, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kenji Saito, Youichi Nagai, Kenichi Hirotsu, Takashi Iwasaki, Shougo Asai, Hiroyuki Matsuyama
  • Publication number: 20210050817
    Abstract: This inspection system for a concentrator photovoltaic apparatus includes: a module; a tracking mount configured to track the sun, the tracking mount having mounted thereto an array formed by assembling a plurality of the modules; an inverter apparatus to extract a direct-current power generated by the array, convert the direct-current power into an alternating-current power, and output the alternating-current power; and an imaging apparatus being positioned between the sun and the array tracking the sun, the imaging apparatus taking an image of the array from a direction orthogonal to a surface of the array. While the array is tracking the sun and is causing sunlight to be concentrated on the cell, the inverter apparatus produces a state where extraction of a power from the array is restricted, to cause the cell to spontaneously emit light, and the imaging apparatus takes an image of the emitted light of the cell.
    Type: Application
    Filed: February 19, 2019
    Publication date: February 18, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kenji SAITO, Takashi IWASAKI
  • Patent number: 10879837
    Abstract: This photovoltaic module includes: a power generating element configured to receive light to generate power; and a housing which is closed, the housing having: a concentrating portion provided with a lens configured to concentrate sunlight; a bottom portion in which the power generating element is disposed; and a side wall serving as an outer frame for the bottom portion and supporting the concentrating portion. The side wall is formed from a resin and has at least one vent hole.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: December 29, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Makoto Inagaki, Youichi Nagai, Kenji Saito, Takashi Iwasaki, Rui Mikami, Tomohiro Nemoto
  • Patent number: 10818810
    Abstract: A concentrator photovoltaic module according to one embodiment of the present disclosure includes: a case; a substrate disposed on a bottom surface of the case and having a plurality of stacked wiring layers; and concentrator photovoltaic elements disposed on the substrate and connected to the wiring layers. The concentrator photovoltaic elements connected to different wiring layers are connected to each other in parallel. According to the concentrator photovoltaic module according to the one embodiment of the present disclosure, output voltage can be decreased.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: October 27, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazumasa Toya, Makoto Inagaki, Youichi Nagai, Takashi Iwasaki, Kenji Saito, Rui Mikami
  • Publication number: 20200265535
    Abstract: According to one embodiment, a skill platform system includes a data acquisition unit, a model creation unit and a skill provision unit. The data acquisition unit is configured to acquire data on work of a skilled worker at a first site. The model creation unit is configured to perform modeling a skill of the skilled worker using the data acquired by the data acquisition unit. The skill provision unit is configured to provide the skill of the skilled worker to a second site by using the model created by the model creation unit.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 20, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA DIGITAL SOLUTIONS CORPORATION
    Inventors: Koji OKADA, Kazuhiko NISHIKAWA, Yoshikatsu MAEKAWA, Noboru FUJIMAKI, Takashi IWASAKI, Tadayuki NAKAMURA
  • Publication number: 20200192195
    Abstract: A lens driving device is describes that includes a stator and a mover, with a lens support for supporting the lens and for moving in an optical axis direction of the lens with respect to the stator. Any one of the stator and the mover has protruding portions and any other one of the stator and the mover has recessed portions into which the protruding portions are inserted. The protruding portions and the recessed portions each have opposing surfaces where the protruding portions and the recessed portions are opposed to each other, and a resin with viscoelasticity is provided to contact the opposing surfaces of the protruding portions and the opposing surfaces of the recessed portions.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 18, 2020
    Inventors: Tomoyoshi Yano, Kazuhiko Naito, Takashi Iwasaki
  • Patent number: 10680127
    Abstract: This power generation circuit unit includes a wiring substrate and a plurality of power generating elements mounted to the wiring substrate. The wiring substrate includes: a first substrate (32E) and a second substrate (32F) to each of which the power generating element is mounted; and a coupling portion (33L) configured to couple the first substrate (32E) and the second substrate (32F) together. The first substrate (32E) can be disposed at least two positions of: a first position separated from the second substrate (32F) by a first distance; and a second position separated from the second substrate (32F) by a second distance being greater than the first distance. The coupling portion (33L) has an FPC (flexible printed circuits). In a state where the first substrate is disposed at the second position, at least a part of the coupling portion (33L) is twisted.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: June 9, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazumasa Toya, Takashi Iwasaki, Youichi Nagai, Koji Mori, Kenji Saito, Rui Mikami, Takeshi Yamana
  • Patent number: 10608580
    Abstract: In a concentrator photovoltaic unit configured to guide sunlight concentrated by a primary concentrating portion to a power generating element by means of a secondary concentrating portion, the secondary concentrating portion includes: a secondary lens having a three-dimensional shape; and a cover portion being translucent and having a refractive index higher than that of air and lower than that of the secondary lens, the cover portion covering at least a surface on which the sunlight is incident in a surface of the secondary lens, in a thin film shape extending along the surface on which the sunlight is incident. By arranging a large number of the units, a concentrator photovoltaic module can be configured. By arranging a large number of the concentrator photovoltaic modules, a concentrator photovoltaic panel can be configured. By further providing a driving device for tracking the sun, a concentrator photovoltaic apparatus can be configured.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: March 31, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazumasa Toya, Takashi Iwasaki, Youichi Nagai, Yoshiya Abiko, Kenji Saito, Makoto Inagaki
  • Patent number: 10560051
    Abstract: Provided is a photovoltaic apparatus including: a power generation part including a plurality of power generating elements each generating power in accordance with an amount of received light, the power generation part having a light receiving surface and a back surface positioned on an opposite side to the light receiving surface; a function part provided separately from the power generation part and configured to provide functions regarding the photovoltaic apparatus; and a position changeable part provided between the power generation part and the function part and capable of changing positions of the power generation part and the function part, wherein the back surface of the power generation part faces the function part face, and the position changeable part is capable of changing the positions of the power generation part and the function part while maintaining a state where the back surface of the power generation part faces the function part.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: February 11, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Takashi Iwasaki, Yoshiya Abiko, Youichi Nagai, Makoto Inagaki
  • Patent number: 10447198
    Abstract: A photovoltaic panel includes: a plurality of power generation portions each having a light receiving surface, each power generation portion including a plurality of power generating elements each configured to generate power in accordance with an amount of received light; and a coupling portion configured to couple each power generation portion, wherein each power generation portion is coupled so as to be rotatable about the coupling portion used as a rotation axis, and the power generation portions are capable of, by being rotated, taking a light receiving position at which the power generation portions are located such that the light receiving surfaces of the power generation portions are oriented to an identical direction, and a fold position at which the power generation portions are located such that a set of the light receiving surfaces of the power generation portions face each other.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: October 15, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Koji Mori, Takashi Iwasaki
  • Patent number: 10389295
    Abstract: An enclosure for a concentrator photovoltaic device according to the present disclosure includes a side wall having an upper end, a lower end, an inner surface, and an outer surface, the side wall being composed of a resin, the side wall being provided with an air hole extending through the inner and outer surfaces of the side wall, the air hole being inclined from the inner surface of the side wall to the outer surface of the side wall in a direction from the upper end of the side wall toward the lower end of the side wall. According to the present disclosure, power generation efficiency of a photovoltaic module can be further increased, and the photovoltaic module can be suppressed from being decreased in performance due to entrance of undesired matters to inside of the case, such as dusts, water droplets, and foreign matters.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: August 20, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kenji Saito, Takashi Iwasaki, Youichi Nagai, Yoshiya Abiko, Akihiko Kojima, Makoto Inagaki
  • Patent number: D864853
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: October 29, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kenji Saito, Youichi Nagai, Akihiko Kojima, Takashi Iwasaki, Yoshiya Abiko, Makoto Inagaki
  • Patent number: D877099
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: March 3, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazumasa Toya, Kenji Saito, Youichi Nagai, Takashi Iwasaki
  • Patent number: D877100
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: March 3, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazumasa Toya, Kenji Saito, Youichi Nagai, Takashi Iwasaki, Makoto Inagaki, Kazushi Iyatani