Patents by Inventor Daisuke Ishikawa
Daisuke Ishikawa 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: 20260149399Abstract: A motor control device has an encoder configured to generate a position detection counter value indicating position information for a member that has been connected to a motor, a target position setting unit configured to generate a target position counter value that becomes a movement target for the member that has been connected to the motor; and a control unit configured to calculate an offset value based on the position detection counter value and the target position counter value, generate an offset position counter value by adding the offset value to the position detection counter value, and controlling the motor based on the offset position counter value and the target position counter value.Type: ApplicationFiled: April 14, 2025Publication date: May 28, 2026Inventor: DAISUKE ISHIKAWA
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Patent number: 12633487Abstract: A method for manufacturing an electron source according to the present disclosure includes steps of: (A) preparing a first member provided with a columnar portion made of a first material having an electron emission characteristic, (B) preparing a second member which has a higher work function and a lower strength than the first material, and in which a hole is formed extending in a direction from one end surface toward the other end surface, and (C) pushing the columnar portion into the hole in the second member, wherein the first member has a cross-sectional shape that is dissimilar to the cross-sectional shape of the hole; and in the step (C), by pressing the columnar portion into the hole, a portion of a side surface of the columnar portion scrapes the inner surface of the hole and bites into the second member, thereby fixing the columnar portion to the second member.Type: GrantFiled: April 14, 2021Date of Patent: May 19, 2026Assignee: Denka Company LimitedInventors: Daisuke Ishikawa, Hiromitsu Chatani
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Patent number: 12586747Abstract: An emitter includes: an insulator; a pair of conductive terminals attached to the insulator and spaced apart from each other; a heater disposed between tips of the pair of conductive terminals and generating heat when energized; an electron source heated by the heater and made of a first material emitting electrons; a Wehnelt electrode having an inner surface forming an internal space along with a surface of the insulator, and applying a bias voltage across the Wehnelt electrode and the electron source; and a shielding member covering a part of the surface of the insulator in the internal space.Type: GrantFiled: March 20, 2023Date of Patent: March 24, 2026Assignee: Denka Company LimitedInventor: Daisuke Ishikawa
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Publication number: 20250392822Abstract: An image capturing apparatus that communicates with an information processing apparatus that performs processing of combining an image of a real space and an image of a virtual space, the image capturing apparatus includes an imaging unit configured to capture an image of a subject formed by an imaging optical system, a determination unit configured to determine at least one mode among a plurality of modes related to a viewing angle of the image capturing apparatus, a generation unit configured to generate camera data including a first parameter indicating the mode determined by the determination unit and a second parameter corresponding to a lens position of the imaging optical system, and a transmission unit configured to transmit camera setting information including the camera data to the information processing apparatus, wherein the first parameter and the second parameter are used to identify the viewing angle of the image capturing apparatus.Type: ApplicationFiled: August 26, 2025Publication date: December 25, 2025Inventor: DAISUKE ISHIKAWA
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Publication number: 20250323305Abstract: The fuel cell module includes an auxiliary device assembly including a fuel cell stack and an air compressor, and a frame member supporting the auxiliary device assembly. The frame member includes: a pair of side members extending in a first direction; a pair of cross members extending along a second direction perpendicular to the first direction, arranged in a rectangular shape together with the side members, and shorter than the side members; and four connecting members connecting the side members and the cross members arranged in a rectangular shape to each other. The fuel cell stack is fixed to each of the side members and is fixed to one of the cross members or a connecting member connected thereto. The auxiliary device assembly is fixed to each of the side members and is fixed to the other of the cross members or a connecting member connected thereto.Type: ApplicationFiled: March 5, 2025Publication date: October 16, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Daisuke ISHIKAWA
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Patent number: 12425737Abstract: An image capturing apparatus that communicates with an information processing apparatus that performs processing of combining an image of a real space and an image of a virtual space, the image capturing apparatus includes an imaging unit configured to capture an image of a subject formed by an imaging optical system, a determination unit configured to determine at least one mode among a plurality of modes related to a viewing angle of the image capturing apparatus, a generation unit configured to generate camera data including a first parameter indicating the mode determined by the determination unit and a second parameter corresponding to a lens position of the imaging optical system, and a transmission unit configured to transmit camera setting information including the camera data to the information processing apparatus, wherein the first parameter and the second parameter are used to identify the viewing angle of the image capturing apparatus.Type: GrantFiled: May 24, 2023Date of Patent: September 23, 2025Assignee: Canon Kabushiki KaishaInventor: Daisuke Ishikawa
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Patent number: 12408512Abstract: An organic electro luminescence display panel includes pixel electrodes, a plurality of elongated column banks, a missing portion at which part of the elongated column banks does not exist, a pair of repair banks formed, above the pixel electrodes, in each of two gaps between a column bank that has the missing portion and column banks adjacent on opposite sides in a row direction of the column bank, a light emitting layer and a common electrode provided above the light emitting layer. The repair banks include a pair of repair row banks formed at positions spaced by a predetermined distance or more in a column direction above the pixel electrodes that exist in the two gaps and whose positions in the column direction are same, at least at part thereof, as that of the missing portion.Type: GrantFiled: February 6, 2020Date of Patent: September 2, 2025Assignee: JOLED INC.Inventors: Yasuharu Shinokawa, Kazuhiro Umezu, Daisuke Ishikawa, Yasuhiro Kawakatsu
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Patent number: 12393101Abstract: An apparatus for an optical system including a first magnification varying lens configured to move with zooming, a second magnification varying lens of which a position is controlled based on a position of the first magnification varying lens, and a focus lens configured to adjust an in-focus position includes a detector configured to detect the position of the second magnification varying lens, and at least one processor and a memory coupled to the processor storing instructions that, when executed by the processor, cause the processor to function as a setting unit configured to set a driving range of the focus lens based on the position of the second magnification varying lens.Type: GrantFiled: June 3, 2022Date of Patent: August 19, 2025Assignee: Canon Kabushiki KaishaInventor: Daisuke Ishikawa
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Publication number: 20250218717Abstract: An emitter includes: an insulator; a pair of conductive terminals attached to the insulator and spaced apart from each other; a heater disposed between tips of the pair of conductive terminals and generating heat when energized; an electron source heated by the heater and made of a first material emitting electrons; a Wehnelt electrode having an inner surface forming an internal space apart with a surface of the insulator, and applying a bias voltage across the Wehnelt electrode and the electron source; and a shielding member covering a part of the surface of the insulator in the internal space.Type: ApplicationFiled: March 20, 2023Publication date: July 3, 2025Inventor: Daisuke ISHIKAWA
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Patent number: 12293893Abstract: A manufacturing method for an electron source according to the present disclosure includes steps of: (A) cutting out a chip from a block of an electron emission material, (B) fixing a first end portion of the chip to a distal end of a support needle, and (C) sharpening a second end portion of the chip. The step (A) includes forming first and second grooves which constitute first and second surfaces of the chip in the block by irradiating a surface of the block with an ion beam. The first end portion of the chip includes the first surface and the second surface with the surfaces forming an angle ? of 10 to 90°. The step (B) includes forming a joint between the distal end of the support needle and the first end portion of the chip.Type: GrantFiled: June 23, 2022Date of Patent: May 6, 2025Assignees: Denka Company Limited, NATIONAL INSTITUTE FOR MATERIALS SCIENCEInventors: Hiromitsu Chatani, Daisuke Ishikawa, Jie Tang, Tadakatsu Ohkubo, Shuai Tang, Jun Uzuhashi, Kazuhiro Hono
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Publication number: 20250085173Abstract: A decolorizing apparatus includes a translucent heater, a casing, and a controller. The translucent heater is configured to generate heat according to an applied voltage. The casing is configured to support the translucent heater. The controller is configured to apply a voltage to the translucent heater. The voltage is associated with a temperature at which a thermochromic colorant.Type: ApplicationFiled: November 25, 2024Publication date: March 13, 2025Applicant: TOSHIBA TEC KABUSHIKI KAISHAInventors: Daisuke ISHIKAWA, Kazuki TAIRA, Takaya KITAWAKI, Daisuke HARAYAMA
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Patent number: 12227563Abstract: Provided is a humanized antibody that, through IGF-I receptor, increases muscle mass but does not lower the blood glucose level. This humanized antibody: is an anti-IGF-I receptor humanized antibody, a fragment thereof, or a derivative thereof; has a specific amino acid sequence such as SEQ ID NOs: 1 to 6 serving as a CDR sequence; and specifically binds to IGF-I receptor extracellular domain.Type: GrantFiled: December 2, 2019Date of Patent: February 18, 2025Assignee: Teijin Pharma LimitedInventors: Akira Tanokura, Hirotsugu Kato, Hiroshi Eguchi, Kenichiro Takagi, Satoshi Yamamura, Naoko Namiki, Daisuke Ishikawa, Hirofumi Higuchi, Tomoyo Takeo, Masayo Ohori
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Patent number: 12188832Abstract: A decolorizing apparatus includes a translucent heater, a casing, and a controller. The translucent heater is configured to generate heat according to an applied voltage. The casing is configured to support the translucent heater. The controller is configured to apply a voltage to the translucent heater. The voltage is associated with a temperature at which a thermochromic colorant.Type: GrantFiled: April 23, 2021Date of Patent: January 7, 2025Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Daisuke Ishikawa, Kazuki Taira, Takaya Kitawaki, Daisuke Harayama
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Patent number: 12125663Abstract: An emitter includes an insulator, a pair of terminals attached to the insulator separately from each other, at least one filament attached between the pair of terminals in an arch shape, and an electron source fixed to the filament. The filament has bent portions between a contact with respect to the electron source and contacts with respect to the terminals. A device is provided with the emitter.Type: GrantFiled: March 9, 2022Date of Patent: October 22, 2024Assignee: Denka Company LimitedInventor: Daisuke Ishikawa
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Publication number: 20240347306Abstract: A manufacturing method for an electron source according to the present disclosure includes steps of: (A) cutting out a chip from a block of an electron emission material, (B) fixing a first end portion of the chip to a distal end of a support needle, and (C) sharpening a second end portion of the chip. The step (A) includes forming first and second grooves which constitute first and second surfaces of the chip in the block by irradiating a surface of the block with an ion beam. The first end portion of the chip includes the first surface and the second surface with the surfaces forming an angle ? of 10 to 90°. The step (B) includes forming a joint between the distal end of the support needle and the first end portion of the chip.Type: ApplicationFiled: June 23, 2022Publication date: October 17, 2024Applicants: Denka Company Limited, NATIONAL INSTITUTE FOR MATERIALS SCIENCEInventors: Hiromitsu CHATANI, Daisuke ISHIKAWA, Jie TANG, Tadakatsu OHKUBO, Shuai TANG, Jun UZUHASHI, Kazuhiro HONO
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Publication number: 20240153730Abstract: An emitter includes an insulator, a pair of terminals attached to the insulator separately from each other, at least one filament attached between the pair of terminals in an arch shape, and an electron source fixed to the filament. The filament has bent portions between a contact with respect to the electron source and contacts with respect to the terminals. A device is provided with the emitter.Type: ApplicationFiled: March 9, 2022Publication date: May 9, 2024Applicant: Denka Company LimitedInventor: Daisuke ISHIKAWA
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Patent number: 11915921Abstract: An electron source according to the present disclosure includes a columnar portion made of a first material having an electron emission characteristic; and a tubular portion that is disposed to surround the columnar portion and made of a second material having a higher work function than the first material, wherein a hole that extends in a direction from one end face toward the other end face and has a substantially circular cross-sectional shape is formed in the tubular portion, and the columnar portion has a substantially triangular or substantially quadrangular cross-sectional shape and is fixed to the tubular portion in an abutting engagement with an inner surface of the hole.Type: GrantFiled: April 14, 2021Date of Patent: February 27, 2024Assignee: Denka Company LimitedInventors: Dai Tsukada, Hiromitsu Chatani, Daisuke Ishikawa
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Patent number: 11904622Abstract: According to one embodiment, a position determination unit of a printing system determines a printing position of printing information printed on an object to be printed conveyed by a conveyance machine. An erasing unit erases the printing information printed using thermochromic ink by emitting heat from a heat source, a height position of which is adjusted according to the printing position, from a direction perpendicular to a conveyance direction according to a timing at which the printing position, determined based on the printing position, passes. A printing unit includes a printer using the thermochromic ink, disposed behind the heat source along the conveyance direction, and prints information on the object to be printed from the direction perpendicular to the conveyance direction by the printer, a height position of which is adjusted according to the printing position, according to the timing at which the printing position passes.Type: GrantFiled: August 10, 2022Date of Patent: February 20, 2024Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Daisuke Ishikawa, Taishi Fukazawa
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Patent number: 11850871Abstract: According to one embodiment, a mobile printer includes a first housing, a second housing, a hinge, and a print head. The first housing has a first surface on which a printing medium can be disposed. The second housing faces the first surface. The hinge connects the first housing and the second housing and permits the first and second housings to rotate relative to each other. The print head is provided in the second housing and is configured to print an image by discharging on to the print medium when the print medium is on the first surface between the first and second housings.Type: GrantFiled: November 17, 2021Date of Patent: December 26, 2023Assignee: Toshiba Tec Kabushiki KaishaInventors: Daisuke Ishikawa, Taishi Fukazawa, Hiroshi Kiyomoto, Maiko Miyoshi, Yui Hiyoshi, Takaya Kitawaki, Seiya Shimizu
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Publication number: 20230388637Abstract: An image capturing apparatus that communicates with an information processing apparatus that performs processing of combining an image of a real space and an image of a virtual space, the image capturing apparatus includes an imaging unit configured to capture an image of a subject formed by an imaging optical system, a determination unit configured to determine at least one mode among a plurality of modes related to a viewing angle of the image capturing apparatus, a generation unit configured to generate camera data including a first parameter indicating the mode determined by the determination unit and a second parameter corresponding to a lens position of the imaging optical system, and a transmission unit configured to transmit camera setting information including the camera data to the information processing apparatus, wherein the first parameter and the second parameter are used to identify the viewing angle of the image capturing apparatus.Type: ApplicationFiled: May 24, 2023Publication date: November 30, 2023Inventor: DAISUKE ISHIKAWA