Patents by Inventor Riku Egawa
Riku Egawa 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).
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Publication number: 20230366834Abstract: An apparatus includes a supporting base arranged to support a panel arranged to detect incident radiation, a power supply including a positive terminal portion and a negative terminal portion, a substrate connected to the positive terminal portion and the negative terminal portion, an insulating sheet arranged between the supporting base, and the power supply and the substrate, wherein the power supply and the substrate are fixed to the insulating sheet, and a sheet fixing member arranged to fix at least one sheet end of a plurality of sheet ends of the insulating sheet to the supporting base.Type: ApplicationFiled: July 19, 2023Publication date: November 16, 2023Inventors: Takashi Fukushima, Masataka Suzuki, Riku Egawa
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Patent number: 11774376Abstract: An apparatus includes a supporting base arranged to support a panel arranged to detect incident radiation, a power supply including a positive terminal portion and a negative terminal portion, a substrate connected to the positive terminal portion and the negative terminal portion, an insulating sheet arranged between the supporting base, and the power supply and the substrate, wherein the power supply and the substrate are fixed to the insulating sheet, and a sheet fixing member arranged to fix at least one sheet end of a plurality of sheet ends of the insulating sheet to the supporting base.Type: GrantFiled: December 22, 2020Date of Patent: October 3, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Takashi Fukushima, Masataka Suzuki, Riku Egawa
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Publication number: 20230011216Abstract: A radiation imaging apparatus comprises a housing which encases an image conversion unit for converting radiation into an electrical signal relating to a radiation image, and has at least one opening formed thereon and a housing conductive portion at least a part of which is a conductive portion, a cover member arranged to cover the opening, which is detachably attached to the housing and comprises a cover conductive portion at least a part of which is a conductive portion; and an elastic member provided between the cover member and the housing, wherein the housing conductive portion and the cover conductive portion are pressed into contact by a reaction force of the elastic member.Type: ApplicationFiled: July 5, 2022Publication date: January 12, 2023Inventors: Yohei Saito, Riku Egawa
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Publication number: 20220299664Abstract: Disclosed apparatus comprises: a radiation detection panel in a housing, for detecting incident radiation as an electrical signal related to a radiation image; a support base in the housing and located on a side opposite to a radiation incident surface, for supporting the radiation detection panel from a back surface side; an internal structure in the housing and disposed on the back side surface of the support base; and fixing members in the housing, for fixing the internal structure to the support base, the difference in the radiation shielding efficiency between at least one of the fixing members and the support base is less than 50%, and when viewed from a radiation incident direction, a sheet like member having a radiation shielding efficiency of 50% or more is not arranged on a region on the back surface side of the radiation detection panel overlapping with the fixing member.Type: ApplicationFiled: March 15, 2022Publication date: September 22, 2022Inventor: Riku Egawa
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Patent number: 11353600Abstract: In a radiation imaging apparatus, a first recessed portion is formed in at least one side surface among a plurality of side surfaces forming a frame body of a casing. Moreover, a second recessed portion is formed in a peripheral region of a back surface of a back-surface housing, which is a region opposite to the first recessed portion with respect to a boundary between the back surface and the at least one side surface of the casing including the first recessed portion.Type: GrantFiled: March 18, 2020Date of Patent: June 7, 2022Assignee: Canon Kabushiki KaishaInventors: Hiroto Kondo, Masataka Suzuki, Atsushi Takeuchi, Riku Egawa, Hidetomo Suwa, Shichihei Sakuragi
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Patent number: 11333777Abstract: A radiation imaging apparatus includes an internal unit having a radiation detector arranged to convert a radiation that is passed through a subject into electric signals. A base plate is arranged to support the radiation detector. A case having a rectangular parallelepiped shape is arranged to accommodate the internal unit. A fitting member is interposed between an inner wall of the case and an end portion of the internal unit, and fitted to the inner wall of the case and the end portion of the internal unit in a planar view as seen from an incident direction of the radiation.Type: GrantFiled: April 9, 2020Date of Patent: May 17, 2022Assignee: Canon Kabushiki KaishaInventors: Hidetomo Suwa, Akiya Nakayama, Hiroto Kondo, Masataka Suzuki, Shichihei Sakuragi, Atsushi Takeuchi, Riku Egawa, Tetsuo Watanabe, Takaaki Gonda
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Patent number: 11141120Abstract: In a radiographing apparatus, a buffer material is arranged between a support base and a side wall portion to which an incidence surface (first surface) of a casing that is positioned on an incident side of radiation R, and a back surface (second surface) of the casing that is opposite to the incidence surface are bonded, the support base is provided with a first protruding portion protruding toward the back surface, the casing is provided with a second protruding portion protruding from the back surface toward the support base, and the following relationship is satisfied: distance X<distance Y, where a distance between the buffer material and the support base is a distance X, and a distance between the first protruding portion of the support base and the second protruding portion of the casing is a distance Y.Type: GrantFiled: December 9, 2019Date of Patent: October 12, 2021Assignee: Canon Kabushiki KaishaInventors: Shichihei Sakuragi, Hidetomo Suwa, Hiroto Kondo, Masataka Suzuki, Atsushi Takeuchi, Riku Egawa
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Publication number: 20210199602Abstract: An apparatus includes a supporting base arranged to support a panel arranged to detect incident radiation, a power supply including a positive terminal portion and a negative terminal portion, a substrate connected to the positive terminal portion and the negative terminal portion, an insulating sheet arranged between the supporting base, and the power supply and the substrate, wherein the power supply and the substrate are fixed to the insulating sheet, and a sheet fixing member arranged to fix at least one sheet end of a plurality of sheet ends of the insulating sheet to the supporting base.Type: ApplicationFiled: December 22, 2020Publication date: July 1, 2021Inventors: Takashi Fukushima, Masataka Suzuki, Riku Egawa
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Publication number: 20200333483Abstract: A radiation imaging apparatus includes an internal unit having a radiation detector arranged to convert a radiation that is passed through a subject into electric signals. A base plate is arranged to support the radiation detector. A case having a rectangular parallelepiped shape is arranged to accommodate the internal unit. A fitting member is interposed between an inner wall of the case and an end portion of the internal unit, and fitted to the inner wall of the case and the end portion of the internal unit in a planar view as seen from an incident direction of the radiation.Type: ApplicationFiled: April 9, 2020Publication date: October 22, 2020Inventors: Hidetomo Suwa, Akiya Nakayama, Hiroto Kondo, Masataka Suzuki, Shichihei Sakuragi, Atsushi Takeuchi, Riku Egawa, Tetsuo Watanabe, Takaaki Gonda
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Publication number: 20200309967Abstract: In a radiation imaging apparatus, a first recessed portion is formed in at least one side surface among a plurality of side surfaces forming a frame body of a casing. Moreover, a second recessed portion is formed in a peripheral region of a back surface of a back-surface housing, which is a region opposite to the first recessed portion with respect to a boundary between the back surface and the at least one side surface of the casing including the first recessed portion.Type: ApplicationFiled: March 18, 2020Publication date: October 1, 2020Inventors: Hiroto Kondo, Masataka Suzuki, Atsushi Takeuchi, Riku Egawa, Hidetomo Suwa, Shichihei Sakuragi
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Publication number: 20200187884Abstract: In a radiographing apparatus, a buffer material is arranged between a support base and a side wall portion to which an incidence surface (first surface) of a casing that is positioned on an incident side of radiation R, and a back surface (second surface) of the casing that is opposite to the incidence surface are bonded, the support base is provided with a first protruding portion protruding toward the back surface, the casing is provided with a second protruding portion protruding from the back surface toward the support base, and the following relationship is satisfied: distance X<distance Y, where a distance between the buffer material and the support base is a distance X, and a distance between the first protruding portion of the support base and the second protruding portion of the casing is a distance Y.Type: ApplicationFiled: December 9, 2019Publication date: June 18, 2020Inventors: Shichihei Sakuragi, Hidetomo Suwa, Hiroto Kondo, Masataka Suzuki, Atsushi Takeuchi, Riku Egawa