Patents by Inventor Takahiro Mitsui
Takahiro Mitsui 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: 20210178933Abstract: A vehicle seat comprises a frame member provided on a floor of a vehicle, a seat part such as a seat cushion detachably attached to the frame member, a mechanical connector device provided on the frame member and the seat part for detachably attaching the seat part to the frame member; and an electric connector device provided on the frame member and the seat part for electrically connecting an electric component provided on the seat part to an electric component provided on the frame member.Type: ApplicationFiled: February 8, 2021Publication date: June 17, 2021Inventors: Hiroyuki Kaku, Hiroyuki Numajiri, Hitomi Kobayashi, Takako Miyoshi, Satoshi Fujita, Katsuhiko Abe, Hajime Yoshida, Takahiro Mitsui, Tomoyuki Kurimoto
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Patent number: 11029615Abstract: Provided is an electrophotographic photosensitive member improved both in wear resistance and in image unevenness. The electrophotographic photosensitive member includes a support, and a photosensitive layer and a surface layer on the support, wherein the surface layer is a cured product of a composition containing a compound represented by the formula (A) and a charge-transporting substance having at least one reactive functional group selected from the group consisting of a hydroxy group, a methoxy group, an amino group, a thiol group, and a carboxyl group.Type: GrantFiled: July 23, 2020Date of Patent: June 8, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Takahiro Mitsui, Koichi Nakata, Haruki Mori, Shubun Kujirai
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Patent number: 10974619Abstract: A vehicle seat comprises a frame member provided on a floor of a vehicle, a seat part such as a seat cushion detachably attached to the frame member, a mechanical connector device provided on the frame member and the seat part for detachably attaching the seat part to the frame member; and an electric connector device provided on the frame member and the seat part for electrically connecting an electric component provided on the seat part to an electric component provided on the frame member.Type: GrantFiled: March 26, 2018Date of Patent: April 13, 2021Assignee: TS TECH CO., LTD.Inventors: Hiroyuki Kaku, Hiroyuki Numajiri, Hitomi Kobayashi, Takako Miyoshi, Satoshi Fujita, Katsuhiko Abe, Hajime Yoshida, Takahiro Mitsui, Tomoyuki Kurimoto
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Patent number: 10940772Abstract: A vehicle seat comprises a frame member provided on a floor of a vehicle, a seat part such as a seat cushion detachably attached to the frame member, a mechanical connector device provided on the frame member and the seat part for detachably attaching the seat part to the frame member; and an electric connector device provided on the frame member and the seat part for electrically connecting an electric component provided on the seat part to an electric component provided on the frame member.Type: GrantFiled: March 26, 2018Date of Patent: March 9, 2021Assignee: TS TECH CO., LTD.Inventors: Hiroyuki Kaku, Hiroyuki Numajiri, Hitomi Kobayashi, Takako Miyoshi, Satoshi Fujita, Katsuhiko Abe, Hajime Yoshida, Takahiro Mitsui, Tomoyuki Kurimoto
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Publication number: 20210033991Abstract: Provided is an electrophotographic photosensitive member improved both in wear resistance and in image unevenness. The electrophotographic photosensitive member includes a support, and a photosensitive layer and a surface layer on the support, wherein the surface layer is a cured product of a composition containing a compound represented by the formula (A) and a charge-transporting substance having at least one reactive functional group selected from the group consisting of a hydroxy group, a methoxy group, an amino group, a thiol group, and a carboxyl group.Type: ApplicationFiled: July 23, 2020Publication date: February 4, 2021Inventors: Takahiro Mitsui, Koichi Nakata, Haruki Mori, Shubun Kujirai
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Publication number: 20190232830Abstract: A vehicle seat having a seat cushion and ottoman pillars attached to the seat cushion, the seat cushion can be formed in a compact manner. The vehicle seat (S) comprises a cushion frame (F1) including a pair of cushion side frames (85), a cushion front member (86) connecting front ends of the cushion side frames with each other and a cushion rear member (87). The cushion front member is provided with a pair of recesses (143) extending in a fore and aft direction, and a pair of pillar support portions (141) extending in the fore and aft direction are received in and bonded to the respective recesses, the ottoman including a pair of ottoman pillars (135) inserted into the respective pillar support portions.Type: ApplicationFiled: April 8, 2019Publication date: August 1, 2019Inventors: Shinya Aita, Hirotaka Takei, Masahiko Yamamoto, Shingo Kimata, Shigekazu Otake, Takahiro Mitsui, Masashi Yamashita
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Patent number: 10365569Abstract: The present invention provides: an electrophotographic photosensitive member which can achieve both of abrasion resistance and electrical characteristics; a production method of the electrophotographic photosensitive member; and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member. A surface layer of the electrophotographic photosensitive member includes a cured product and a specific amount of an alcohol or carboxylic acid having a specific structure, wherein the cured product is a polymerized product of a hole transporting compound having an acryloyloxy group or a methacryloyloxy group.Type: GrantFiled: August 3, 2018Date of Patent: July 30, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Ryoichi Tokimitsu, Masaki Nonaka, Haruki Mori, Takahiro Mitsui
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Patent number: 10293717Abstract: A vehicle seat having a seat cushion and ottoman pillars attached to the seat cushion, the seat cushion can be formed in a compact manner. The vehicle seat (S) comprises a cushion frame (F1) including a pair of cushion side frames (85), a cushion front member (86) connecting front ends of the cushion side frames with each other and a cushion rear member (87). The cushion front member is provided with a pair of recesses (143) extending in a fore and aft direction, and a pair of pillar support portions (141) extending in the fore and aft direction are received in and bonded to the respective recesses, the ottoman including a pair of ottoman pillars (135) inserted into the respective pillar support portions.Type: GrantFiled: November 21, 2017Date of Patent: May 21, 2019Assignee: TS TECH CO., LTD.Inventors: Shinya Aita, Hirotaka Takei, Masahiko Yamamoto, Shingo Kimata, Shigekazu Otake, Takahiro Mitsui, Masashi Yamashita
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Publication number: 20190049867Abstract: The present invention provides: an electrophotographic photosensitive member which can achieve both of abrasion resistance and electrical characteristics; a production method of the electrophotographic photosensitive member; and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member. A surface layer of the electrophotographic photosensitive member includes a cured product and a specific amount of an alcohol or carboxylic acid having a specific structure, wherein the cured product is a polymerized product of a hole transporting compound having an acryloyloxy group or a methacryloyloxy group.Type: ApplicationFiled: August 3, 2018Publication date: February 14, 2019Inventors: RYOICHI TOKIMITSU, Masaki Nonaka, Haruki Mori, Takahiro Mitsui
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Publication number: 20180281621Abstract: A vehicle seat comprises a frame member provided on a floor of a vehicle, a seat part such as a seat cushion detachably attached to the frame member, a mechanical connector device provided on the frame member and the seat part for detachably attaching the seat part to the frame member; and an electric connector device provided on the frame member and the seat part for electrically connecting an electric component provided on the seat part to an electric component provided on the frame member.Type: ApplicationFiled: March 26, 2018Publication date: October 4, 2018Inventors: Hiroyuki Kaku, Hiroyuki Numajiri, Hitomi Kobayashi, Takako Miyoshi, Satoshi Fujita, Katsuhiko Abe, Hajime Yoshida, Takahiro Mitsui, Tomoyuki Kurimoto
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Publication number: 20180093592Abstract: A vehicle seat having a seat cushion and ottoman pillars attached to the seat cushion, the seat cushion can be formed in a compact manner. The vehicle seat (S) comprises a cushion frame (F1) including a pair of cushion side frames (85), a cushion front member (86) connecting front ends of the cushion side frames with each other and a cushion rear member (87). The cushion front member is provided with a pair of recesses (143) extending in a fore and aft direction, and a pair of pillar support portions (141) extending in the fore and aft direction are received in and bonded to the respective recesses, the ottoman including a pair of ottoman pillars (135) inserted into the respective pillar support portions.Type: ApplicationFiled: November 21, 2017Publication date: April 5, 2018Inventors: ShinyA Aita, Hirotaka Takei, Masahiko Yamamoto, Shingo Kimata, Shigekazu Otake, Takahiro Mitsui, Masashi Yamashits
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Patent number: 9855871Abstract: A vehicle seat having a seat cushion and ottoman pillars attached to the seat cushion, the seat cushion can be formed in a compact manner. The vehicle seat (S) comprises a cushion frame (F1) including a pair of cushion side frames (85), a cushion front member (86) connecting front ends of the cushion side frames with each other and a cushion rear member (87). The cushion front member is provided with a pair of recesses (143) extending in a fore and aft direction, and a pair of pillar support portions (141) extending in the fore and aft direction are received in and bonded to the respective recesses, the ottoman including a pair of ottoman pillars (135) inserted into the respective pillar support portions.Type: GrantFiled: December 16, 2014Date of Patent: January 2, 2018Assignee: TS TECH CO., LTD.Inventors: Shinya Aita, Hirotaka Takei, Masahiko Yamamoto, Shingo Kimata, Shigekazu Otake, Takahiro Mitsui, Masashi Yamashita
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Patent number: 9772596Abstract: In an image forming apparatus in which an electrostatic image is formed on an electrophotographic photosensitive member using at least a process of a pseudo halftone formed by dots as a method of representing gradation, the electrophotographic photosensitive member is provided on a surface thereof with a plurality of recessed portions of 0.5 ?m more and 5 ?m or less in depth and 20 ?m or more and 80 ?m or less in longest diameter of an opening, when a square region of 500 ?m×500 ?m is arbitrarily extracted on the surface of the electrophotographic photosensitive member, in the square region, a total area of the recessed portions is 10000 ?m2 or more and 90000 ?m2 or less and a total area of a flat portion contained in a portion other than the recessed portion is 80000 ?m2 or more and 240000 ?m2 or less, and an arrangement (A) of the plurality of recessed portions is such an arrangement that an image quality lowering index (f) calculated by specific processing is 14% or less.Type: GrantFiled: May 19, 2015Date of Patent: September 26, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Takahiro Mitsui, Tomohisa Itagaki, Koji Takahashi, Hiroki Uematsu, Yasuhiro Kawai, Tsutomu Nishida, Hideki Ogawa
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Publication number: 20160318426Abstract: A vehicle seat having a seat cushion and ottoman pillars attached to the seat cushion, the seat cushion can be formed in a compact manner. The vehicle seat (S) comprises a cushion frame (F1) including a pair of cushion side frames (85), a cushion front member (86) connecting front ends of the cushion side frames with each other and a cushion rear member (87). The cushion front member is provided with a pair of recesses (143) extending in a fore and aft direction, and a pair of pillar support portions (141) extending in the fore and aft direction are received in and bonded to the respective recesses, the ottoman including a pair of ottoman pillars (135) inserted into the respective pillar support portions.Type: ApplicationFiled: December 16, 2014Publication date: November 3, 2016Inventors: Shinya AITA, Hirotaka TAKEI, Masahiko YAMAMOTO, Shingo KIMATA, Shigekazu OTAKE, Takahiro MITSUI, Masashi YAMASHITA
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Patent number: 9389521Abstract: Provided is an electrophotographic photosensitive member in which a surface of the electrophotographic photosensitive member has: a plurality of specific depressed portions; and a plurality of specific line grooves formed at portions other than the specific depressed portions, and in which when a square region 500 ?m on a side is arranged at an arbitrary position of the surface of the electrophotographic photosensitive member, an area of the plurality of depressed portions in the square region 500 ?m on a side is 95,000 ?m2 or more and 180,000 ?m2 or less.Type: GrantFiled: February 13, 2015Date of Patent: July 12, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Koji Takahashi, Takahiro Mitsui, Naoaki Ichihashi, Yasuhiro Kawai, Hideki Ogawa
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Publication number: 20150286182Abstract: In an image forming apparatus in which an electrostatic image is formed on an electrophotographic photosensitive member using at least a process of a pseudo halftone formed by dots as a method of representing gradation, the electrophotographic photosensitive member is provided on a surface thereof with a plurality of recessed portions of 0.5 ?m more and 5 ?m or less in depth and 20 ?m or more and 80 ?m or less in longest diameter of an opening, when a square region of 500 ?m×500 ?m is arbitrarily extracted on the surface of the electrophotographic photosensitive member, in the square region, a total area of the recessed portions is 10000 ?m2 or more and 90000 ?m2 or less and a total area of a flat portion contained in a portion other than the recessed portion is 80000 ?m2 or more and 240000 ?m2 or less, and an arrangement (A) of the plurality of recessed portions is such an arrangement that an image quality lowering index (f) calculated by specific processing is 14% or less.Type: ApplicationFiled: May 19, 2015Publication date: October 8, 2015Inventors: Takahiro Mitsui, Tomohisa Itagaki, Koji Takahashi, Hiroki Uematsu, Yasuhiro Kawai, Tsutomu Nishida, Hideki Ogawa
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Publication number: 20150241799Abstract: Provided is an electrophotographic photosensitive member in which a surface of the electrophotographic photosensitive member has: a plurality of specific depressed portions; and a plurality of specific line grooves formed at portions other than the specific depressed portions, and in which when a square region 500 ?m on a side is arranged at an arbitrary position of the surface of the electrophotographic photosensitive member, an area of the plurality of depressed portions in the square region 500 ?m on a side is 95,000 ?m2 or more and 180,000 ?m2 or less.Type: ApplicationFiled: February 13, 2015Publication date: August 27, 2015Inventors: Koji Takahashi, Takahiro Mitsui, Naoaki Ichihashi, Yasuhiro Kawai, Hideki Ogawa
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Patent number: 8960757Abstract: Provided are a seat frame and a stowable vehicle seat which enables high assembling work efficiency and easy stowing operation. There are provided a reclining mechanism, a seat slide mechanism which slides a seat bottom frame, a slide lock mechanism which prohibits or allows the operation of the seat slide mechanism in cooperation with the reclining mechanism, a striker lock mechanism, and an assist mechanism which assists an operation of stowing and returning a stowable vehicle seat. The seat slide mechanism includes a lower rail, an upper rail, and a slide biasing member which automatically slides the upper rail in cooperation with a tilting movement of a seat back frame to a predetermined angle upon stowage of the stowable vehicle seat. The seat slide mechanism and the slide lock mechanism are mounted to the seat bottom frame.Type: GrantFiled: December 26, 2011Date of Patent: February 24, 2015Assignee: TS Tech Co., Ltd.Inventors: Shigekazu Otake, Shingo Kimata, Yoshinobu Kimpara, Takahiro Mitsui
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Patent number: 8886092Abstract: An electrophotographic apparatus and a process cartridge include an electrophotographic photosensitive member; a developing unit; and a cleaning unit, wherein depressed portions separated from each other and satisfying conditions below are formed in the surface of the electrophotographic photosensitive member at a density of 10 or more per unit area of 1 cm2: a depth of the depressed portions is defined as Rdv[?m], a minor-axis diameter of the depressed portions is defined as Lpc[?m], a major-axis diameter of the depressed portions is defined as Rpc[?m], and an angle formed between a direction of a major-axis of each of the depressed portions and a direction of movement of the surface of the electrophotographic photosensitive member is defined as ?[°]. 5[°]??[°]?85[°] 0.3×P[?m]?Rdv[?m]?0.5×P[?m] 1.1×P[?m]?Lpc[?m]?1.Type: GrantFiled: December 3, 2009Date of Patent: November 11, 2014Assignee: Canon Kabushiki KaishaInventors: Yoshihisa Saito, Shoji Amamiya, Hideki Ogawa, Tatsuya Ikezue, Kan Tanabe, Mayumi Oshiro, Kumiko Takizawa, Takahiro Mitsui
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Publication number: 20140093281Abstract: An electrophotographic photosensitive member in which image deletion is hardly produced, and a process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member are provided. For this, a surface of the electrophotographic photosensitive member includes a plurality of depressed portions and a portion other than the depressed portions, each of the depressed portions having a depth of 0.5 to 5 ?m and an opening longest diameter of 20 to 80 ?m; when a 500 ?m×500 ?m square region is disposed in an arbitrary position of the surface of the electrophotographic photosensitive member, the area of the depressed portions in the 500 ?m×500 ?m square region is from 10000 to 90000 ?m2, and the area of a flat part contained in the portion other than the depressed portions is from 80000 to 240000 ?m2.Type: ApplicationFiled: May 28, 2012Publication date: April 3, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Koji Takahashi, Hiroki Uematsu, Takahiro Mitsui, Yasuhiro Kawai, Tsutomu Nishida, Hideki Ogawa