Patents by Inventor Takuma OSAKI
Takuma OSAKI 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: 20240126070Abstract: An optical device includes a support portion, a first movable portion having an optical surface, a second movable portion having a frame shape and surrounding the first movable portion, a first coupling portion coupling the first movable portion and the second movable portion to each other, a second coupling portion coupling the second movable portion and the support portion to each other, and a softening member which has a softening characteristic and to which stress is applied when the first movable portion swings around a first axis. When viewed in a direction perpendicular to the optical surface, the softening member is provided to a portion of the second movable portion, the portion extending between a drive element and the first coupling portion, and is not electrically connected to an outside.Type: ApplicationFiled: December 28, 2023Publication date: April 18, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI
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Patent number: 11939211Abstract: An actuator device includes a support part, a first movable part, and a second movable part. The second movable part includes a pair of first connection portions positioned on both sides of the first movable part on a first axis and connected to a pair of first connecting parts, a pair of second connection portions positioned on both sides of the first movable part on a second axis and connected to a pair of second connecting parts, and a pair of first portions. One of the first portions is connected to one of the first connection portions and one of the second connection portions and extends in a inclined direction, and the other of the first portions is connected to the other of the first connection portions and the one of the second connection portions and extends in a inclined direction.Type: GrantFiled: April 28, 2023Date of Patent: March 26, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Daiki Suzuki, Takuma Osaki, Naoto Sakurai
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Patent number: 11899199Abstract: An optical device includes a support portion, a first movable portion having an optical surface, a second movable portion having a frame shape and surrounding the first movable portion, a first coupling portion coupling the first movable portion and the second movable portion to each other, a second coupling portion coupling the second movable portion and the support portion to each other, and a softening member which has a softening characteristic and to which stress is applied when the first movable portion swings around a first axis. When viewed in a direction perpendicular to the optical surface, the softening member is provided to a portion of the second movable portion, the portion extending between a drive element and the first coupling portion, and is not electrically connected to an outside.Type: GrantFiled: May 10, 2019Date of Patent: February 13, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Daiki Suzuki, Takuma Osaki
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Publication number: 20230378861Abstract: An actuator device includes a support part, a movable part, a connecting part, a spiral coil provided to the movable part, a magnetic field generator, an external terminal provided to the support part; and a wiring connected to an inner end portion of the coil and the external terminal. The wiring includes a lead wiring connected to the external terminal, and a straddle wiring formed in a shape of a layer, provided to the movable part so as to straddle the coil, and connected to the inner end portion of the coil and the lead wiring. A thickness of the straddle wiring is smaller than a thickness of the coil. The straddle wiring is electrically insulated from the mirror surface.Type: ApplicationFiled: August 3, 2023Publication date: November 23, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI, Yasuyuki SAKAKIBARA
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Publication number: 20230324673Abstract: A mirror device includes a support portion, a movable portion, and a pair of torsion bars disposed on both sides of the movable portion on a first axis. The movable portion includes a frame-shaped frame connected to the pair of torsion bars and a mirror unit disposed inside the frame. The mirror unit is connected to the frame in each of a pair of connection regions located on both sides of the mirror unit in a direction parallel to a second axis. A region other than the pair of connection regions in a region between the mirror unit and the frame is a space. An outer edge of the mirror unit and an inner edge of the frame are connected to each other so that a curvature in each of the pair of connection regions is continuous when viewed from a direction perpendicular to the first and the second axes.Type: ApplicationFiled: June 15, 2023Publication date: October 12, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma Osaki
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Patent number: 11757341Abstract: An actuator device includes a support part, a first movable part, a second movable part, a first connecting part, a second connecting part, a spiral coil provided to the second movable part, a magnetic field generator, a first external terminal provided to the support part; and a first wiring connected to an inner end portion of the coil and the first external terminal. The first wiring includes a lead wiring connected to the first external terminal, and a straddle wiring formed in a shape of a layer, provided to the second movable part so as to straddle the coil, and connected to the inner end portion of the coil and the lead wiring. A thickness of the straddle wiring is smaller than a thickness of the coil. The straddle wiring is electrically insulated from the mirror surface.Type: GrantFiled: December 28, 2022Date of Patent: September 12, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Daiki Suzuki, Takuma Osaki, Yasuyuki Sakakibara
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Publication number: 20230264947Abstract: An actuator device includes a support part, a first movable part, and a second movable part. The second movable part includes a pair of first connection portions positioned on both sides of the first movable part on a first axis and connected to a pair of first connecting parts, a pair of second connection portions positioned on both sides of the first movable part on a second axis and connected to a pair of second connecting parts, and a pair of first portions. One of the first portions is connected to one of the first connection portions and one of the second connection portions and extends in a inclined direction, and the other of the first portions is connected to the other of the first connection portions and the one of the second connection portions and extends in a inclined direction.Type: ApplicationFiled: April 28, 2023Publication date: August 24, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma Osaki, Naoto Sakurai
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Patent number: 11733511Abstract: A mirror device includes a support portion, a movable portion, and a pair of torsion bars disposed on both sides of the movable portion on a first axis. The movable portion includes a frame-shaped frame connected to the pair of torsion bars and a mirror unit disposed inside the frame. The mirror unit is connected to the frame in each of a pair of connection regions located on both sides of the mirror unit in a direction parallel to a second axis. A region other than the pair of connection regions in a region between the mirror unit and the frame is a space. An outer edge of the mirror unit and an inner edge of the frame are connected to each other so that a curvature in each of the pair of connection regions is continuous when viewed from a direction perpendicular to the first and the second axes.Type: GrantFiled: August 17, 2022Date of Patent: August 22, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Daiki Suzuki, Takuma Osaki
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Patent number: 11673794Abstract: An actuator device includes a support part, a first movable part, and a second movable part. The second movable part includes a pair of first connection portions positioned on both sides of the first movable part on a first axis and connected to a pair of first connecting parts, and a pair of second connection portions positioned on both sides of the first movable part on a second axis and connected to a pair of second connecting parts. An outer edge of each of the pair of the first connection portions includes a first linear portion that extends along a second axis direction. An outer edge of each of the pair of the second connection portions includes a second linear portion that extends along a first axis direction.Type: GrantFiled: September 22, 2022Date of Patent: June 13, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Daiki Suzuki, Takuma Osaki, Naoto Sakurai
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Publication number: 20230145171Abstract: An actuator device includes a support part, a first movable part, a second movable part, a first connecting part, a second connecting part, a spiral coil provided to the second movable part, a magnetic field generator, a first external terminal provided to the support part; and a first wiring connected to an inner end portion of the coil and the first external terminal. The first wiring includes a lead wiring connected to the first external terminal, and a straddle wiring formed in a shape of a layer, provided to the second movable part so as to straddle the coil, and connected to the inner end portion of the coil and the lead wiring. A thickness of the straddle wiring is smaller than a thickness of the coil. The straddle wiring is electrically insulated from the mirror surface.Type: ApplicationFiled: December 28, 2022Publication date: May 11, 2023Applicant: Hamamatsu Photonics K.K.Inventors: Daiki Suzuki, Takuma Osaki, Yasuyuki Sakakibara
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Patent number: 11581792Abstract: An actuator device includes a support part, a first movable part, a second movable part, a first connecting part connecting the first movable part to the second movable part, a second connecting part connecting the second movable part to the support part, a spiral coil provided to the second movable part, a first external terminal provided to the support part, and a first wiring connected to an inner end portion of the coil and the first external terminal. The first wiring includes a lead wiring connected to the first external terminal, and a straddle wiring provided to the second movable part so as to straddle the coil and connected to the inner end of the coil and the lead wiring. The width of the straddle wiring is larger than the width of the coil, and the thickness of the straddle wiring is smaller than the thickness of the coil.Type: GrantFiled: June 17, 2022Date of Patent: February 14, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Daiki Suzuki, Takuma Osaki, Yasuyuki Sakakibara
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Publication number: 20230038491Abstract: A base, which has a main surface and a back surface on an opposite side from the main surface and is made of metal, an optical surface provided on the main surface, and a vibrating element provided on the main surface or the back surface are included, in which the base has a support portion, a first extending portion and a second extending portion extending from the support portion, a movable portion disposed between the first extending portion and the second extending portion, and a first connecting portion connecting the first extending portion and the movable portion to each other, and a second connecting portion connecting the second extending portion and the movable portion to each other.Type: ApplicationFiled: October 1, 2020Publication date: February 9, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Katsumi SHIBAYAMA, Takafumi YOKINO, Yuki MORINAGA, Takuma OSAKI, Naoto SAKURAI
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Publication number: 20230013912Abstract: An actuator device includes a support part, a first movable part, and a second movable part. The second movable part includes a pair of first connection portions positioned on both sides of the first movable part on a first axis and connected to a pair of first connecting parts, and a pair of second connection portions positioned on both sides of the first movable part on a second axis and connected to a pair of second connecting parts. An outer edge of each of the pair of the first connection portions includes a first linear portion that extends along a second axis direction. An outer edge of each of the pair of the second connection portions includes a second linear portion that extends along a first axis direction.Type: ApplicationFiled: September 22, 2022Publication date: January 19, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI, Naoto SAKURAI
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Publication number: 20220390737Abstract: A mirror device includes a support portion, a movable portion, and a pair of torsion bars disposed on both sides of the movable portion on a first axis. The movable portion includes a frame-shaped frame connected to the pair of torsion bars and a mirror unit disposed inside the frame. The mirror unit is connected to the frame in each of a pair of connection regions located on both sides of the mirror unit in a direction parallel to a second axis. A region other than the pair of connection regions in a region between the mirror unit and the frame is a space. An outer edge of the mirror unit and an inner edge of the frame are connected to each other so that a curvature in each of the pair of connection regions is continuous when viewed from a direction perpendicular to the first and the second axes.Type: ApplicationFiled: August 17, 2022Publication date: December 8, 2022Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI
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Publication number: 20220365337Abstract: A piezoelectric drive element disposed on a placement surface of a metal substrate includes a piezoelectric drive body having a first main surface opposite the placement surface, a second main surface on a placement surface side, and a side surface, and a first electrode disposed on the first main surface. The piezoelectric drive element is disposed on the placement surface such that a part of the placement surface is located outside the side surface. A second bonding member having conductivity includes a first portion disposed between the placement surface and the piezoelectric drive element, and a second portion being continuous from the first portion and disposed in a corner formed by the part of the placement surface and the side surface. The second portion does not reach the first electrode.Type: ApplicationFiled: May 4, 2022Publication date: November 17, 2022Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI, Makoto NOZAKI, Kota SUGIZAKI
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Publication number: 20220367783Abstract: A metal substrate supported by a wiring substrate includes a movable portion, a first extending portion, a first coupling portion that couples the first extending portion and the movable portion, and a first connection portion connected to the first extending portion. The first connection portion includes a first fixing region fixed to the wiring substrate, and a first connection region connected to the first extending portion and to the first fixing region. The first connection region includes a first bent portion. The first bent portion has a first outer edge on a movable portion side, and a second outer edge opposite the movable portion, and each of the first outer edge and the second outer edge is bent toward the movable portion side when viewed in a Z-axis direction.Type: ApplicationFiled: May 4, 2022Publication date: November 17, 2022Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI, Makoto NOZAKI, Kota SUGIZAKI
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Publication number: 20220367782Abstract: A metal substrate supported by a wiring substrate includes a first extending portion and a first connection portion connected to the first extending portion. The first connection portion includes a first region facing a portion of a wiring substrate in a Z-axis direction, a second region being continuous from the first region, and a third region being continuous from the second region. When viewed in the Z-axis direction, in a direction perpendicular to a connection direction in which the third region is connected to the second region, a width of the second region is larger than a width of the third region. A first bonding member bonding the wiring substrate and the metal substrate includes a first portion disposed between the portion and the first region, and a second portion being continuous from the first portion. The second portion reaches the second region but does not reach the third region.Type: ApplicationFiled: May 4, 2022Publication date: November 17, 2022Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI, Makoto NOZAKI, Kota SUGIZAKI
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Publication number: 20220367786Abstract: An actuator device includes a wiring substrate; a metal substrate; a first electrode unit provided to the metal substrate; a piezoelectric drive body disposed on the first electrode unit; a second electrode unit disposed on a first main surface of the piezoelectric drive body; a piezoelectric detection body disposed on the second electrode unit; a third electrode unit disposed on a third main surface of the piezoelectric detection body; a connection unit; an input unit; and an output unit. The connection unit is configured to be electrically connected to a reference potential on an outside such that a potential of the second electrode unit becomes the reference potential. The input unit is configured to input a drive signal to the first electrode unit from the outside. The output unit is configured to output an output signal generated in the piezoelectric detection body, to the outside from the third electrode unit.Type: ApplicationFiled: May 4, 2022Publication date: November 17, 2022Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Takuma OSAKI, Makoto NOZAKI, Kota SUGIZAKI
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Patent number: 11485629Abstract: An actuator device includes a support part, a first movable part, and a second movable part. The second movable part includes a pair of first connection portions positioned on both sides of the first movable part on a first axis and connected to a pair of first connecting parts, and a pair of second connection portions positioned on both sides of the first movable part on a second axis and connected to a pair of second connecting parts. Each of the second connection portions includes a portion having a width larger than a width of a portion of the second movable part other than the first and second connection portions. An inner edge of each of the second connection portions, includes a depression recessed in a second axis direction, and an outer edge of each of the pair of second connection portions, includes a protrusion protruding in the second axis direction.Type: GrantFiled: November 26, 2018Date of Patent: November 1, 2022Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Daiki Suzuki, Takuma Osaki, Naoto Sakurai
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Patent number: 11474345Abstract: A mirror device includes a support portion, a movable portion, and a pair of torsion bars disposed on both sides of the movable portion on a first axis. The movable portion includes a frame-shaped frame connected to the pair of torsion bars and a mirror unit disposed inside the frame. The mirror unit is connected to the frame in each of a pair of connection regions located on both sides of the mirror unit in a direction parallel to a second axis. A region other than the pair of connection regions in a region between the mirror unit and the frame is a space. An outer edge of the mirror unit and an inner edge of the frame are connected to each other so that a curvature in each of the pair of connection regions is continuous when viewed from a direction perpendicular to the first and the second axes.Type: GrantFiled: August 3, 2018Date of Patent: October 18, 2022Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Daiki Suzuki, Takuma Osaki