Patents by Inventor Takayuki Fukushima
Takayuki Fukushima 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: 20250087238Abstract: A magnetic recording medium includes a nonmagnetic substrate, an underlayer disposed above the nonmagnetic substrate, and a magnetic recording layer disposed above the underlayer. The magnetic recording layer includes a first magnetic layer disposed above the underlayer, and a second magnetic layer disposed above the first magnetic layer. Each of the first magnetic layer and the second magnetic layer has a granular structure including magnetic grains having a L10 structure and a grain boundary portion. The grain boundary portion of the first magnetic layer includes aluminum nitride, and the grain boundary portion of the second magnetic layer includes hexagonal boron nitride. An aluminum nitride content in the first magnetic layer is in a range of 15 vol % to 35 vol %, and a peak in a B1s spectrum of the grain boundary portion of the second magnetic layer observed using X-ray photoelectron spectroscopy is 191.6 eV or less.Type: ApplicationFiled: August 7, 2024Publication date: March 13, 2025Inventors: Yuki SATO, Takayuki FUKUSHIMA, Takeshi SAKAMOTO, Hisato SHIBATA, Takehiro YAMAGUCHI, Masaru TAJIMA
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Publication number: 20250071224Abstract: An image reading apparatus includes a transparent member including a document placing surface on which a document is placed, a document pressing portion that presses the document placed on the transparent member against the transparent member, a pivot supporting portion that pivotably supports the document pressing portion so as to be pivotable about a pivot shaft with respect to a casing of the image reading apparatus, an image reading unit, an abutment portion against which an edge portion of the document placed on the document placing surface is abutted in order to position the document at a reference position, and an inclined surface. The abutment portion is provided at one portion of a front end on a side far from the pivot supporting portion. The inclined surface is provided at another portion of the front end and inclined upward toward the side far from the pivot supporting portion.Type: ApplicationFiled: November 7, 2024Publication date: February 27, 2025Inventors: TAKAHIRO ONO, TAKAYUKI FUKUSHIMA, KAZUKI MATSUO, YUYA YASUDA, TAKUMA TACHIBANA, AKIYUKI MITAMURA, AKIRA MATSUMOTO, AKIRA URITA, NORIKAZU HISHINUMA, TAKATSUGU NAKAMURA, YU HASHIMOTO
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Publication number: 20250039316Abstract: A document supporting portion includes a first supporting portion and a second supporting portion. The first supporting portion has a first supporting surface that supports a document. The second supporting portion has a second supporting surface that supports the document together with the first supporting surface and provided so as to be slidable between a first position at which the second supporting portion located above the first supporting portion and a second position at which the second supporting surface supports the document together with the first supporting surface. In a state where the second supporting portion is located at the first position, the second supporting surface constitutes a portion of an upper surface of the document feeding apparatus.Type: ApplicationFiled: October 11, 2024Publication date: January 30, 2025Inventors: TAKAHIRO ONO, TAKAYUKI FUKUSHIMA, KAZUKI MATSUO, YUYA YASUDA, TAKUMA TACHIBANA, AKIYUKI MITAMURA, AKIRA MATSUMOTO, AKIRA URITA, NORIKAZU HISHINUMA, TAKATSUGU NAKAMURA, YU HASHIMOTO
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Publication number: 20250037739Abstract: A magnetic recording medium includes a substrate, an underlayer, a first magnetic layer, and a second magnetic layer in this order. The first magnetic layer includes magnetic grains having a L10 structure, and the second magnetic layer has a granular structure including magnetic grains having a L10 structure, and a grain boundary portion including hexagonal boron nitride. A (111) plane of the magnetic grains included in the first magnetic layer is covered with boron nitride at an interface with the second magnetic layer. The magnetic grains included in the second magnetic layer are epitaxially grown from a (001) plane of the magnetic grains included in the first magnetic layer. The magnetic grains included in the first magnetic layer and the magnetic grains included in the second magnetic layer are columnar crystals penetrating the first magnetic layer and the second magnetic layer, respectively.Type: ApplicationFiled: July 24, 2024Publication date: January 30, 2025Inventors: Takayuki FUKUSHIMA, Takehiro YAMAGUCHI, Yuki SATO
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Publication number: 20250016278Abstract: An operation unit is provided on a front side of the image forming apparatus. A document feeding portion feeds a document supported by a document supporting portion in a document feeding direction from a front side of the image forming apparatus toward the rear side of the image forming apparatus. A document discharge portion discharges the document in a document discharge direction from the rear side toward the front side. The operation unit is disposed on one side with respect to an apparatus center of the image forming apparatus in a left-right direction orthogonal to a direction from the front side to the rear side. A conveyance center of the document feeding portion in the left-right direction is disposed on the other side with respect to the apparatus center in the left-right direction.Type: ApplicationFiled: September 19, 2024Publication date: January 9, 2025Inventors: TAKAHIRO ONO, TAKAYUKI FUKUSHIMA, KAZUKI MATSUO, TAKUMA TACHIBANA, YUYA YASUDA, AKIYUKI MITAMURA, AKIRA MATSUMOTO, AKIRA URITA, NORIKAZU HISHINUMA, TAKATSUGU NAKAMURA, YU HASHIMOTO
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Patent number: 12177403Abstract: An image reading apparatus includes a transparent member including a document placing surface on which a document is placed, a document pressing portion that presses the document placed on the transparent member against the transparent member, a pivot supporting portion that pivotably supports the document pressing portion so as to be pivotable about a pivot shaft with respect to a casing of the image reading apparatus, an image reading unit, an abutment portion against which an edge portion of the document placed on the document placing surface is abutted in order to position the document at a reference position, and an inclined surface. The abutment portion is provided at one portion of a front end on a side far from the pivot supporting portion. The inclined surface is provided at another portion of the front end and inclined upward toward the side far from the pivot supporting portion.Type: GrantFiled: April 20, 2023Date of Patent: December 24, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Takahiro Ono, Takayuki Fukushima, Kazuki Matsuo, Yuya Yasuda, Takuma Tachibana, Akiyuki Mitamura, Akira Matsumoto, Akira Urita, Norikazu Hishinuma, Takatsugu Nakamura, Yu Hashimoto
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Patent number: 12149661Abstract: A document supporting portion includes a first supporting portion and a second supporting portion. The first supporting portion has a first supporting surface that supports a document. The second supporting portion has a second supporting surface that supports the document together with the first supporting surface and provided so as to be slidable between a first position at which the second supporting portion located above the first supporting portion and a second position at which the second supporting surface supports the document together with the first supporting surface. In a state where the second supporting portion is located at the first position, the second supporting surface constitutes a portion of an upper surface of the document feeding apparatus.Type: GrantFiled: November 2, 2023Date of Patent: November 19, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Takahiro Ono, Takayuki Fukushima, Kazuki Matsuo, Yuya Yasuda, Takuma Tachibana, Akiyuki Mitamura, Akira Matsumoto, Akira Urita, Norikazu Hishinuma, Takatsugu Nakamura, Yu Hashimoto
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Patent number: 12126776Abstract: An operation unit is provided on a front side of the image forming apparatus. A document feeding portion feeds a document supported by a document supporting portion in a document feeding direction from a front side of the image forming apparatus toward the rear side of the image forming apparatus. A document discharge portion discharges the document in a document discharge direction from the rear side toward the front side. The operation unit is disposed on one side with respect to an apparatus center of the image forming apparatus in a left-right direction orthogonal to a direction from the front side to the rear side. A conveyance center of the document feeding portion in the left-right direction is disposed on the other side with respect to the apparatus center in the left-right direction.Type: GrantFiled: November 3, 2023Date of Patent: October 22, 2024Assignee: Canon Kabushiki KaishaInventors: Takahiro Ono, Takayuki Fukushima, Kazuki Matsuo, Takuma Tachibana, Yuya Yasuda, Akiyuki Mitamura, Akira Matsumoto, Akira Urita, Norikazu Hishinuma, Takatsugu Nakamura, Yu Hashimoto
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Patent number: 12087341Abstract: A magnetic recording medium includes a substrate, an underlayer formed on the substrate, and a magnetic layer formed on the underlayer. The magnetic layer includes an alloy having a L10 structure. The underlayer includes a first underlayer and a second underlayer. The first underlayer includes Mo and Ru, the content of Ru in the first underlayer is in a range of 5 atom % to 30 atom %, and the second underlayer includes a material having a body-centered cubic (BCC) structure. The second underlayer is formed between the first underlayer and the substrate.Type: GrantFiled: April 30, 2020Date of Patent: September 10, 2024Assignee: RESONAC CORPORATIONInventors: Chen Xu, Lei Zhang, Takayuki Fukushima, Hisato Shibata, Takehiro Yamaguchi, Kazuya Niwa, Tomoo Shige, Hiroaki Nemoto, Yuji Umemoto, Hiroshi Koyanagi
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Patent number: 11964383Abstract: A robot hand includes base body defining gripping position of substrate, first contacting part provided to base body at tip-end side and configured to contact first part of edge part of substrate when substrate is gripped, rotary body provided on base-end side of base body and having second contacting part configured to contact second part of edge part of substrate when substrate is gripped, and mobile body having shaft part to be inserted into shaft hole of rotary body, and configured to move toward tip end of base body to move rotary body toward tip end of the base body. An axial-center line of shaft part extends in thickness directions of base and rotary bodies provided so as to have clearance in axial direction of shaft part with respect to shaft part.Type: GrantFiled: January 9, 2020Date of Patent: April 23, 2024Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Takayuki Fukushima, Shogo Matsuoka
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Publication number: 20240098195Abstract: An image reading apparatus includes a support portion, a reading portion, a first cover, a second cover, and a holding mechanism. The first cover moves between a second closed position where the first cover covers the reading portion in a first closed position and a second open position where the first cover opens the reading portion. The second cover moves between a third closed position where the second cover forms a second area of a conveyance path together with the first cover in the second closed position and a third open position where the second cover opens the second area. The holding mechanism prevents the first cover from moving from the second open position to the second closed position and holds the first cover in the second open position when the second cover is in the third open position and the first cover is in the second open position.Type: ApplicationFiled: September 11, 2023Publication date: March 21, 2024Inventors: AKIRA MATSUMOTO, TAKAYUKI FUKUSHIMA
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Publication number: 20240064247Abstract: A document supporting portion includes a first supporting portion and a second supporting portion. The first supporting portion has a first supporting surface that supports a document. The second supporting portion has a second supporting surface that supports the document together with the first supporting surface and provided so as to be slidable between a first position at which the second supporting portion located above the first supporting portion and a second position at which the second supporting surface supports the document together with the first supporting surface. In a state where the second supporting portion is located at the first position, the second supporting surface constitutes a portion of an upper surface of the document feeding apparatus.Type: ApplicationFiled: November 2, 2023Publication date: February 22, 2024Inventors: TAKAHIRO ONO, TAKAYUKI FUKUSHIMA, KAZUKI MATSUO, YUYA YASUDA, TAKUMA TACHIBANA, AKIYUKI MITAMURA, AKIRA MATSUMOTO, AKIRA URITA, NORIKAZU HISHINUMA, TAKATSUGU NAKAMURA, YU HASHIMOTO
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Publication number: 20240064248Abstract: An operation unit is provided on a front side of the image forming apparatus. A document feeding portion feeds a document supported by a document supporting portion in a document feeding direction from a front side of the image forming apparatus toward the rear side of the image forming apparatus. A document discharge portion discharges the document in a document discharge direction from the rear side toward the front side. The operation unit is disposed on one side with respect to an apparatus center of the image forming apparatus in a left-right direction orthogonal to a direction from the front side to the rear side. A conveyance center of the document feeding portion in the left-right direction is disposed on the other side with respect to the apparatus center in the left-right direction.Type: ApplicationFiled: November 3, 2023Publication date: February 22, 2024Inventors: TAKAHIRO ONO, TAKAYUKI FUKUSHIMA, KAZUKI MATSUO, TAKUMA TACHIBANA, YUYA YASUDA, AKIYUKI MITAMURA, AKIRA MATSUMOTO, AKIRA URITA, NORIKAZU HISHINUMA, TAKATSUGU NAKAMURA, YU HASHIMOTO
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Publication number: 20240017945Abstract: An image reading apparatus includes a base unit, a conveyance roller to convey a sheet, a reading unit, an openable cover having a first contact portion, a guide member having a second contact portion, and an urging member. The guide member is rotatable between a first position where the reading unit is covered and a second position where the reading unit is exposed. The urging member urges the guide member in a direction from the first position toward the second position. During closing of the openable cover, the first contact portion presses the second contact portion and the guide member moves against an urging force of the urging member. A position of the guide member in a rotation direction in a state in which the openable cover is closed is determined by the first contact portion and the second contact portion coming into contact with each other.Type: ApplicationFiled: July 5, 2023Publication date: January 18, 2024Inventor: TAKAYUKI FUKUSHIMA
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Publication number: 20240017944Abstract: A sheet conveyance apparatus includes a base unit, a sheet stacking portion, a feeding portion, an open/close member, a conveyance guide member, a protruding portion, and a fitted portion. The feeding portion feeds a sheet stacking portion stacked sheet. The open/close member includes an upper guide facing an upper surface of the fed sheet. The conveyance guide member includes a lower guide facing a lower surface of the fed sheet and forms a sheet conveyance path with the upper guide. The protruding portion is provided on one of the open/close member and the conveyance guide member. The fitted portion is on the other of the open/close member and the conveyance guide member and is fitted with the protruding portion. In a state where the open/close member is closed, a position of the conveyance guide member in a width direction is determined by the protruding portion fitting into the fitted portion.Type: ApplicationFiled: July 10, 2023Publication date: January 18, 2024Inventor: TAKAYUKI FUKUSHIMA
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Patent number: 11843741Abstract: A document supporting portion includes a first supporting portion and a second supporting portion. The first supporting portion has a first supporting surface that supports a document. The second supporting portion has a second supporting surface that supports the document together with the first supporting surface and provided so as to be slidable between a first position at which the second supporting portion located above the first supporting portion and a second position at which the second supporting surface supports the document together with the first supporting surface. In a state where the second supporting portion is located at the first position, the second supporting surface constitutes a portion of an upper surface of the document feeding apparatus.Type: GrantFiled: April 20, 2023Date of Patent: December 12, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Takahiro Ono, Takayuki Fukushima, Kazuki Matsuo, Yuya Yasuda, Takuma Tachibana, Akiyuki Mitamura, Akira Matsumoto, Akira Urita, Norikazu Hishinuma, Takatsugu Nakamura, Yu Hashimoto
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Patent number: 11839968Abstract: A substrate transfer device includes a manipulator, a substrate gripping hand, an actuator configured to rotate the substrate gripping hand about a roll axis, and a controller adapted to operate the manipulator to hold a substrate by a first engaging member and a second engaging member of the substrate gripping hand, then operate the actuator so that a first principal surface of the substrate is located above a base member, and a normal line of the first principal surface is oriented downward from a horizontal plane, and move a movable guiding member toward the tip-end part of the base member so that the second engaging member, a third engaging member, and the movable guiding member grip the substrate.Type: GrantFiled: June 27, 2019Date of Patent: December 12, 2023Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Takayuki Fukushima, Shinya Kinoshita, Shogo Matsuoka, Hiroyuki Okada
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Patent number: 11843742Abstract: An operation unit is provided on a front side of the image forming apparatus. A document feeding portion feeds a document supported by a document supporting portion in a document feeding direction from a front side of the image forming apparatus toward the rear side of the image forming apparatus. A document discharge portion discharges the document in a document discharge direction from the rear side toward the front side. The operation unit is disposed on one side with respect to an apparatus center of the image forming apparatus in a left-right direction orthogonal to a direction from the front side to the rear side. A conveyance center of the document feeding portion in the left-right direction is disposed on the other side with respect to the apparatus center in the left-right direction.Type: GrantFiled: April 21, 2023Date of Patent: December 12, 2023Assignee: Canon Kabushiki KaishaInventors: Takahiro Ono, Takayuki Fukushima, Kazuki Matsuo, Takuma Tachibana, Yuya Yasuda, Akiyuki Mitamura, Akira Matsumoto, Akira Urita, Norikazu Hishinuma, Takatsugu Nakamura, Yu Hashimoto
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Publication number: 20230391570Abstract: A sheet feeding apparatus includes a supporting unit, a sheet feeding unit, a separation unit, a moving member, a first sensor, and a control unit. The moving member is configured to move by being pushed by the sheet supported by the supporting unit. The first sensor is configured to detect the sheet based on a position of the moving member. The second sensor is configured to detect the sheet at a position downstream of the separation unit in the feeding direction. The control unit is configured to determine an existence of the sheet supported by the supporting unit based on a detection result of the first sensor, and to control feeding timing at which the sheet feeding unit starts to feed the sheet based on detection results of the first sensor and the second sensor.Type: ApplicationFiled: May 25, 2023Publication date: December 7, 2023Inventors: KANAME YAMADA, TAKAYUKI FUKUSHIMA
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Patent number: 11837485Abstract: Substrate holding hand including a base plate spreading from base toward tip end sides, part of base plate located at base end side, fixed to hand tip portion, holding position at base plate, engaging claw at part of base plate located at tip end side, engaging claw configured to engage part of edge of substrate in vertical or inclined postures, part of edge located lower than center of substrate, moving portion at base end side of holding position and configured to move toward tip end side, and plurality of rotating bodies at the moving portion, being pressed by movement against edge of substrate located lower than holding position and engaged with claw, and plurality of rotating bodies pushing substrate upward holding position while rotating along edge of substrate.Type: GrantFiled: January 29, 2018Date of Patent: December 5, 2023Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Tetsuya Yoshida, Ryosuke Kanamaru, Shinya Kinoshita, Takayuki Fukushima