Patents by Inventor Tsutomu Sakaguchi

Tsutomu Sakaguchi 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: 11305849
    Abstract: Present invention provides a float capable of suppressing deformation of the synthetic resin body even if internal gas expands and contracts due to environmental temperature change. A float comprises a float body made of a synthetic resin molded in a hollow shape, a projecting portion projecting from the upper surface of the float body and having a vent hole, and a microporous membrane adhered to the outside of the vent hole.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: April 19, 2022
    Assignee: KYORAKU CO., LTD.
    Inventors: Takaya Niimi, Yoshinori Motohashi, Tsutomu Sakaguchi
  • Publication number: 20220024542
    Abstract: An object of the present invention is to provide a float assembly that can prevent the floats from flipping. The present invention provides a float assembly including a plurality of floats connected together comprising: a filled float having a hollow portion, wherein the hollow portion has a part filled with a filler, and the filled float is arranged at a position facing an assembly periphery surrounding the float assembly.
    Type: Application
    Filed: November 22, 2019
    Publication date: January 27, 2022
    Applicant: KYORAKU CO., LTD.
    Inventors: Tsutomu SAKAGUCHI, Hirofumi NAGAI, Yasunobu UEDA, Takaya NIIMI, Ayumu YUKAWA
  • Patent number: 11050382
    Abstract: The present invention is aimed at providing a float aggregate which can be manufactured at low cost and has countermeasures against wind pressure suitable for use on water. According to the present invention, provided is a float aggregate formed by connecting a plurality of floats configured for mounting a solar panel thereon, wherein the solar panel is provided on at least one of the plurality of floats so as to be inclined with respect to a surface of the float and to face a rear side of the float aggregate, the plurality of floats includes a base end float located along an end portion of on a front side of the float aggregate, and the base end float is provided with a windbreak member inclined with respect to a surface of the base end float and to face the front side of the float aggregate.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: June 29, 2021
    Assignee: KYORAKU CO., LTD.
    Inventors: Yoshinori Motohashi, Seiji Ono, Tsutomu Sakaguchi, Yasunobu Ueda
  • Publication number: 20200369350
    Abstract: The present invention has been made in view of the foregoing, and an object thereof is to provide a float assembly that is configured to be rotatable and that defines a rotation axis without constructing the expensive pillar. The present invention provides a float assembly configured to float on water, comprising: a shaft wire extending from substantially a center of the float assembly toward underwater and configured to maintain tension, wherein the float assembly is moored by the shaft wire and configured to be rotatable.
    Type: Application
    Filed: January 23, 2019
    Publication date: November 26, 2020
    Applicant: KYORAKU CO., LTD.
    Inventors: Hirofumi NAGAI, Yasunobu UEDA, Tsutomu SAKAGUCHI
  • Publication number: 20200331570
    Abstract: Present invention provides a float capable of suppressing deformation of the synthetic resin body even if internal gas expands and contracts due to environmental temperature change. A float 10 comprises a float body 20 made of a synthetic resin molded in a hollow shape, a projecting portion 202 projecting from the upper surface of the float body 20 and having a vent hole 201, and a microporous membrane 203 adhered to the outside of the vent hole 201.
    Type: Application
    Filed: June 30, 2020
    Publication date: October 22, 2020
    Applicant: KYORAKU CO., LTD.
    Inventors: Takaya NIIMI, Yoshinori MOTOHASHI, Tsutomu SAKAGUCHI
  • Patent number: 10752325
    Abstract: The present invention provides a float capable of suppressing deformation of the synthetic resin body even if internal gas expands and contracts due to environmental temperature change. A float 10 comprises a float body 20 made of a synthetic resin molded in a hollow shape, a projecting portion 202 projecting from the upper surface of the float body 20 and having a vent hole 201, and a microporous membrane 203 adhered to the outside of the vent hole 201.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: August 25, 2020
    Assignee: KYORAKU CO., LTD.
    Inventors: Takaya Niimi, Yoshinori Motohashi, Tsutomu Sakaguchi
  • Publication number: 20200153379
    Abstract: The present invention is aimed at providing a float aggregate which can be manufactured at low cost and has countermeasures against wind pressure suitable for use on water. According to the present invention, provided is a float aggregate formed by connecting a plurality of floats configured for mounting a solar panel thereon, wherein the solar panel is provided on at least one of the plurality of floats so as to be inclined with respect to a surface of the float and to face a rear side of the float aggregate, the plurality of floats includes a base end float located along an end portion of on a front side of the float aggregate, and the base end float is provided with a windbreak member inclined with respect to a surface of the base end float and to face the front side of the float aggregate.
    Type: Application
    Filed: May 29, 2018
    Publication date: May 14, 2020
    Applicant: KYORAKU CO., LTD.
    Inventors: Yoshinori MOTOHASHI, Seiji ONO, Tsutomu SAKAGUCHI, Yasunobu UEDA
  • Patent number: 10427867
    Abstract: A packing member for packing a cartridge that is detachably mountable to an image forming apparatus includes a first portion having an opening as an entrance for the cartridge, a recessed portion for accommodating the cartridge, and first and second limiting portions for limiting positions of the cartridge in directions perpendicular to a longitudinal direction of the cartridge. The packing member also includes a second portion for openably covering the opening. The first and second limiting portions contact portions of the cartridge excluding a region where the electrostatic latent image is to be formed on a photosensitive drum or a developing roller.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: October 1, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isao Koishi, Toshiki Fujino, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe, Kengo Sakai
  • Publication number: 20190168848
    Abstract: Present invention provides a float capable of suppressing deformation of the synthetic resin body even if internal gas expands and contracts due to environmental temperature change. A float 10 comprises a float body 20 made of a synthetic resin molded in a hollow shape, a projecting portion 202 projecting from the upper surface of the float body 20 and having a vent hole 201, and a microporous membrane 203 adhered to the outside of the vent hole 201.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 6, 2019
    Applicant: KYORAKU CO., LTD.
    Inventors: Takaya NIIMI, Yoshinori MOTOHASHI, Tsutomu SAKAGUCHI
  • Publication number: 20170267445
    Abstract: A packing member for packing a cartridge detachably mountable to an image forming apparatus is molded with a thin resin material plate and includes: (i) a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a first limiting portion for limiting a position of the cartridge with respect to a direction perpendicular to a longitudinal direction of the cartridge; and (ii) a cap portion for openably covering the opening. The cap portion includes a second limiting portion for limiting movement of the cartridge, positionally-limited by the first limiting portion, in a direction in which the cartridge is spaced from the first limiting portion.
    Type: Application
    Filed: June 8, 2017
    Publication date: September 21, 2017
    Inventors: Isao Koishi, Toshiki Fujino, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe, Kengo Sakai
  • Patent number: 9708116
    Abstract: A packing member for packing a cartridge detachably mountable to an image forming apparatus is molded with a thin resin material plate and includes: (i) a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a first limiting portion for limiting a position of the cartridge with respect to a direction perpendicular to a longitudinal direction of the cartridge; and (ii) a cap portion for openably covering the opening. The cap portion includes a second limiting portion for limiting movement of the cartridge, positionally-limited by the first limiting portion, in a direction in which the cartridge is spaced from the first limiting portion.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: July 18, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isao Koishi, Toshiki Fujino, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe, Kengo Sakai
  • Patent number: 9423767
    Abstract: A packing member for packing a cartridge which is detachably mountable to an image forming apparatus includes: a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a limiting portion, provided in the first recessed portion, for limiting a position of the cartridge with respect to the direction crossing a limiting portion of the cartridge; and a cap portion, provided rotatably connected to the frame portion by a hinge portion, for openably covering the opening. The limiting portion limits the position of the cartridge so that the cartridge is located in a position where a grip portion of the cartridge is remoter from the hinge portion than the center line of the cartridge with respect to the crossing direction and a direction crossing an entering direction in which the cartridge enters the frame portion.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: August 23, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshiki Fujino, Isao Koishi, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe
  • Publication number: 20160221747
    Abstract: A packing member for packing a cartridge detachably mountable to an image forming apparatus is molded with a thin resin material plate and includes: (i) a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a first limiting portion for limiting a position of the cartridge with respect to a direction perpendicular to a longitudinal direction of the cartridge; and (ii) a cap portion for openably covering the opening. The cap portion includes a second limiting portion for limiting movement of the cartridge, positionally-limited by the first limiting portion, in a direction in which the cartridge is spaced from the first limiting portion.
    Type: Application
    Filed: April 11, 2016
    Publication date: August 4, 2016
    Inventors: Isao Koishi, Toshiki Fujino, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe, Kengo Sakai
  • Publication number: 20160091822
    Abstract: A packing member for packing a cartridge detachably mountable to an image forming apparatus is molded with a thin resin material plate and includes: (i) a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a first limiting portion for limiting a position of the cartridge with respect to a direction perpendicular to a longitudinal direction of the cartridge; and (ii) a cap portion for openably covering the opening. The cap portion includes a second limiting portion for limiting movement of the cartridge, positionally-limited by the first limiting portion, in a direction in which the cartridge is spaced from the first limiting portion.
    Type: Application
    Filed: December 8, 2015
    Publication date: March 31, 2016
    Inventors: Isao Koishi, Toshiki Fujino, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe, Kengo Sakai
  • Publication number: 20150153708
    Abstract: A packing member for packing a cartridge detachably mountable to an image forming apparatus is molded with a thin resin material plate and includes: (i) a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a first limiting portion for limiting a position of the cartridge with respect to a direction perpendicular to a longitudinal direction of the cartridge; and (ii) a cap portion for openably covering the opening. The cap portion includes a second limiting portion for limiting movement of the cartridge, positionally-limited by the first limiting portion, in a direction in which the cartridge is spaced from the first limiting portion.
    Type: Application
    Filed: June 7, 2013
    Publication date: June 4, 2015
    Inventors: Isao Koishi, Toshiki Fujino, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe, Kengo Sakai
  • Publication number: 20150114870
    Abstract: A packing member for packing a cartridge which is detachably mountable to an image forming apparatus includes: a frame portion including an opening as an entrance for the cartridge, a first recessed portion for accommodating the cartridge, and a limiting portion, provided in the first recessed portion, for limiting a position of the cartridge with respect to the direction crossing a limiting portion of the cartridge; and a cap portion, provided rotatably connected to the frame portion by a hinge portion, for openably covering the opening. The limiting portion limits the position of the cartridge so that the cartridge is located in a position where a grip portion of the cartridge is remoter from the hinge portion than the center line of the cartridge with respect to the crossing direction and a direction crossing an entering direction in which the cartridge enters the frame portion.
    Type: Application
    Filed: June 7, 2013
    Publication date: April 30, 2015
    Inventors: Toshiki Fujino, Isao Koishi, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe