Patents by Inventor Takayuki Arai
Takayuki Arai 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: 20250147606Abstract: An electronic pen is provided that is enhanced in strength such as not to be bent or broken even when made to be thinner (smaller in diametric size). A connection section holds a core body at one end thereof and holds a circuit board at the other end thereof. The circuit board is accommodated in a board protecting pipe, which is fitted to the connection section. The board protecting pipe is provided with a side opening, and an operation on an electronic part on the circuit board accommodated therein and a work on an electronic circuit formed on the circuit board can be performed through the side opening. An electronic pen main body section wherein the core body and the circuit board and the board protecting pipe are united together through the connection section is accommodated in a casing, to constitute the electronic pen.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Inventors: Takenori KANEDA, Kenichi NINOMIYA, Takayuki ARAI, Kohei TANAKA, Ryuto SAKAMOTO
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Publication number: 20250138653Abstract: An electronic pen includes a circuit board disposed such that an axial direction of a casing is aligned with a longitudinal direction of the circuit board, an electronic circuit on the circuit board, and a battery having a columnar shape disposed on a side of the circuit board opposite to a pen tip side of the circuit board inside a hollow portion of the casing such that positive and negative electrode conductors protruding from an end surface of the battery extend toward the circuit board. The battery is disposed such that a separation space is formed between the end surface and an end portion of the circuit board and such that tip portions of the positive and negative electrode conductors are in contact with the circuit board. The circuit board and the tip portions of the positive and negative electrode conductors are electrically connected to each other by soldered portions.Type: ApplicationFiled: December 27, 2024Publication date: May 1, 2025Inventors: Kohei TANAKA, Takayuki ARAI, Kenichi NINOMIYA, Takenori KANEDA
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Publication number: 20250138652Abstract: Provided is an electronic pen including a housing having an opening portion on a pen tip side of the housing on a first end in an axial direction, the opening portion having a pillar-shaped space with a predetermined length in the axial direction as a center line direction of the space, the housing including, inside, a hollow portion communicating with the pillar-shaped space of the opening portion, a pen pressure detector arranged in the hollow portion, and a core body including a tip portion on the first end in the axial direction, part of the tip portion protruding outside of the housing from an opening on a pen tip side of the pillar-shaped space of the opening portion of the housing, the core body being installed such that a second end in the axial direction, in operation, transmits, to the pen pressure detector, pen pressure applied to the tip portion.Type: ApplicationFiled: December 27, 2024Publication date: May 1, 2025Inventors: Kenichi NINOMIYA, Mamoru OGATA, Masayuki MAEDA, Takayuki ARAI
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Publication number: 20250110587Abstract: An electronic pen includes a casing, an opening portion formed on one side of the casing, a core body that projects outside of the casing through the opening portion, a pen module part, and a core body insertion member disposed in the casing and having a hollow space that houses the core body. The hollow space includes a hollow portion between an inner circumferential surface of the core body insertion member and an outer circumferential surface of the core body when the core body insertion member houses the core body, the hollow portion communicating, via the opening portion, with a first space external to the electronic pen. The hollow portion is separated from a second space in which the pen module part is disposed within the casing.Type: ApplicationFiled: December 12, 2024Publication date: April 3, 2025Inventors: Kenichi Ninomiya, Takayuki Arai, Kohei Tanaka, Takenori Kaneda
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Patent number: 12260987Abstract: A method of manufacturing a coil component includes providing an intermediate body, heating the intermediate body at a first temperature ranging from 100 to 350° C., and after the heating at the first temperature, heating the intermediate body at a higher second temperature ranging from 600 to 900° C. The providing of the intermediate body including (i) preparing a base material having a flat plate shape or a wire shape, (ii) bending the base material to form a conductor portion, (iii) preparing a metal magnetic paste containing a resin and a plurality of metal magnetic particles mainly composed of iron, and (iv) applying a molding pressure to the metal magnetic paste covering the base material to form the intermediate body including a substrate body containing the plurality of metal magnetic particles and the conductor portion. The magnetic base body including an oxide coating film containing iron oxide on a surface of each of the metal magnetic particles.Type: GrantFiled: March 19, 2024Date of Patent: March 25, 2025Assignee: Taiyo Yuden Co., Ltd.Inventors: Takayuki Arai, Tomoo Kashiwa
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Patent number: 12256746Abstract: Provided is a sausage sticking system capable of changing a position and an interval at which a chain of sausages is hung on a stably held stick according to a length of a casing. The sausage sticking system includes a hook conveying unit, a stick holding unit, and a pivoting imparting unit. A loop of a chain of sausages hooked on each of the pivoting hooks of the hook conveying unit is configured to be dropped onto a stick passing through the loop by which pivoting hooks are pivoted. The stick holding unit holds both ends of the stick, and includes a fixed arm and a pair of actuating arms, wherein the pair of actuating arras alternately holds the stick and avoids the loop of the chain of sausages. The pivoting imparting unit sequentially pivots the plurality of pivoting hooks at a predetermined pivoting imparting position.Type: GrantFiled: March 13, 2023Date of Patent: March 25, 2025Assignee: HITEC CO., LTD.Inventors: Tatsuo Nakamura, Takayuki Fujimaki, Hideaki Oikawa, Hirokatsu Harasawa, Takashi Arai
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Patent number: 12229350Abstract: An electronic pen is provided that is enhanced in strength such as not to be bent or broken even when made to be thinner (smaller in diametric size). A connection section holds a core body at one end thereof and holds a circuit board at the other end thereof. The circuit board is accommodated in a board protecting pipe, which is fitted to the connection section. The board protecting pipe is provided with a side opening, and an operation on an electronic part on the circuit board accommodated therein and a work on an electronic circuit formed on the circuit board can be performed through the side opening. An electronic pen main body section wherein the core body and the circuit board and the board protecting pipe are united together through the connection section is accommodated in a casing, to constitute the electronic pen.Type: GrantFiled: November 23, 2021Date of Patent: February 18, 2025Assignee: Wacom Co., Ltd.Inventors: Takenori Kaneda, Kenichi Ninomiya, Takayuki Arai, Kohei Tanaka, Ryuto Sakamoto
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Patent number: 12216843Abstract: An electronic pen includes a circuit board disposed such that an axial direction of a casing is aligned with a longitudinal direction of the circuit board, an electronic circuit on the circuit board, and a battery having a columnar shape disposed on a side of the circuit board opposite to a pen tip side of the circuit board inside a hollow portion of the casing such that positive and negative electrode conductors protruding from an end surface of the battery extend toward the circuit board. The battery is disposed such that a separation space is formed between the end surface and an end portion of the circuit board and such that tip portions of the positive and negative electrode conductors are in contact with the circuit board. The circuit board and the tip portions of the positive and negative electrode conductors are electrically connected to each other by soldered portions.Type: GrantFiled: November 14, 2023Date of Patent: February 4, 2025Assignee: Wacom Co., Ltd.Inventors: Kohei Tanaka, Takayuki Arai, Kenichi Ninomiya, Takenori Kaneda
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Patent number: 12205759Abstract: A coil component according to one embodiment of the present invention includes: a first insulator body containing first magnetic metal particles; a second insulator body containing second magnetic metal particles; a first coil conductor provided in the first insulator body and wound around a coil axis for N1 turns such that intervals between adjacent turns are g1; and a second coil conductor provided in the second insulator body and wound around the coil axis for N2 turns such that intervals between adjacent turns are g2. In the embodiment, a first coil surface of the first coil conductor faces a second coil surface of the second coil conductor, and a distance T between the first coil surface and the second coil surface satisfies a relationship T?g1×N1+g2×N2.Type: GrantFiled: December 29, 2021Date of Patent: January 21, 2025Assignee: TAIYO YUDEN CO., LTD.Inventors: Akihisa Matsuda, Daisuke Yamaguchi, Takayuki Arai
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Patent number: 12204702Abstract: An electronic pen includes a casing, an opening portion formed on one side of the casing, a core body that projects outside of the casing through the opening portion, a pen module part, and a core body insertion member disposed in the casing and having a hollow space that houses the core body. The hollow space includes a hollow portion between an inner circumferential surface of the core body insertion member and an outer circumferential surface of the core body when the core body insertion member houses the core body, the hollow portion communicating, via the opening portion, with a first space external to the electronic pen. The hollow portion is separated from a second space in which the pen module part is disposed within the casing.Type: GrantFiled: October 13, 2023Date of Patent: January 21, 2025Assignee: Wacom Co., Ltd.Inventors: Kenichi Ninomiya, Takayuki Arai, Kohei Tanaka, Takenori Kaneda
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Publication number: 20250006421Abstract: A coil component includes a magnetic base body containing a magnetic metal material and having a first surface; a conductor disposed inside the magnetic base body; external electrodes electrically connected to the conductor and extending along the first surface of the magnetic base body, each of the external electrodes having a first electrode portion embedded in the magnetic base body and a second electrode portion exposed from the magnetic base body; and an insulation layer covering an area of the first surface that excludes areas on which the external electrodes are disposed.Type: ApplicationFiled: June 27, 2024Publication date: January 2, 2025Inventors: Takayuki Arai, Nami Hamada, Tomoo Kashiwa
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Publication number: 20240427435Abstract: A highly reliable waterproof electronic pen includes a board holder in a board housing including a recessed portion having an opening over a lower surface of the recessed portion. A circuit board is housed in the recessed portion of the board housing. Circuit components easily affected by heat are installed on a first surface of the circuit board, and circuit components not easily affected by heat are installed on a second surface of the circuit board. A thermosetting resin formed over the second surface of the circuit board when the circuit board is housed in the recessed portion seals the opening over the lower surface of the recessed portion of the board housing.Type: ApplicationFiled: September 6, 2024Publication date: December 26, 2024Inventors: Takayuki Arai, Kenichi Ninomiya, Takenori Kaneda
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Patent number: 12164122Abstract: An electromagnetic flux controlling member includes an incidence surface for allowing incidence of an electromagnetic wave, and an emission surface for emitting the electromagnetic wave incident on the incidence surface to an outside. At least one of the incidence surface and the emission surface includes a base curved surface and a plurality of protrusions arranged on the base curved surface. Each of the plurality of protrusions includes a conical tip portion disposed such that at least a part of an edge of a bottom surface of the conical tip portion makes contact with the base curved surface, and a partially columnar leg portion disposed between the conical tip portion and the base curved surface. A central axis of the conical tip portion and a central axis of the partially columnar leg portion are parallel to a main axis of the electromagnetic flux controlling member.Type: GrantFiled: February 14, 2022Date of Patent: December 10, 2024Assignee: Enplas CorporationInventors: Takayoshi Suganuma, Takayuki Arai
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Publication number: 20240352284Abstract: A pressure sensitive adhesive sheet includes at least a pressure sensitive adhesive layer, wherein the gel fraction of a pressure sensitive adhesive that constitutes the pressure sensitive adhesive layer is less than 10%, and the 500% modulus when performing a tensile test at 23° C. for the pressure sensitive adhesive layer is 0.02 N/mm2 or more and 5 N/mm2 or less. In the pressure sensitive adhesive sheet, the pressure sensitive adhesive that constitutes the pressure sensitive adhesive layer may contain a polymer having a main chain obtained by copolymerizing an acrylic-based monomer and a cyclodextrin derivative having a polymerizable group. Such a pressure sensitive adhesive sheet enables the pressure sensitive adhesive layer to be recycled.Type: ApplicationFiled: August 4, 2021Publication date: October 24, 2024Applicant: LINTEC CORPORATIONInventors: Sho KOSABA, Takayuki ARAI, Mikihiro KASHIO, Yoshinori TAKASHIMA, Akira HARADA
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Patent number: 12119160Abstract: A coil component includes an insulating base body and a coil conductor arranged in the base body and having a winding portion extending around a coil axis. The insulating base body includes a magnetic body portion made of a magnetic material and a magnetic gap portion made of a low-permeability material having a lower relative permeability than the magnetic material. The magnetic gap portion is shaped like a ring when seen in a direction along the coil axis and arranged within the winding portion. The magnetic body portion includes a first region positioned within the winding portion, a second region positioned opposite the first region with respect to the magnetic gap portion in the direction along the coil axis, and a third region arranged within a through hole defined by an inner peripheral surface of the magnetic gap portion, where the third region connects together the first and second regions.Type: GrantFiled: March 30, 2021Date of Patent: October 15, 2024Assignee: TAIYO YUDEN CO., LTD.Inventors: Natsuko Sato, Takayuki Arai, Atsuko Kasahara, Tomoo Kashiwa
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Patent number: 12111986Abstract: A highly reliable waterproof electronic pen includes a board holder in a board housing including a recessed portion having an opening over a lower surface of the recessed portion. A circuit board is housed in the recessed portion of the board housing. Circuit components easily affected by heat are installed on a first surface of the circuit board, and circuit components not easily affected by heat are installed on a second surface of the circuit board. A thermosetting resin formed over the second surface of the circuit board when the circuit board is housed in the recessed portion seals the opening over the lower surface of the recessed portion of the board housing.Type: GrantFiled: November 14, 2023Date of Patent: October 8, 2024Assignee: Wacom Co., Ltd.Inventors: Takayuki Arai, Kenichi Ninomiya, Takenori Kaneda
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Publication number: 20240334599Abstract: Provided is an electronic component including a base body, a first internal element, a first external electrode, and a second external electrode. The first external electrode has a first outer metal layer and a first inner metal layer that is provided between the first outer metal layer and the first internal element, the second external electrode has a second outer metal layer and a second inner metal layer that is provided between the second outer metal layer and the first internal element, and the first inner metal layer has a lower laser absorption rate than any of the first outer metal layer and the second outer metal layer, and the second inner metal layer has a lower laser absorption rate than any of the first outer metal layer and the second outer metal layer.Type: ApplicationFiled: March 28, 2024Publication date: October 3, 2024Inventors: Takayuki Arai, Tomoo Kashiwa
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Publication number: 20240319804Abstract: An object of the present disclosure is to provide an electronic pen that is excellent in portability by being reduced in size, that has a side switch functioning stably, and that is easy to maintain. A pusher part of an electronic pen body part is inserted into an insertion part of an operator, and the operator is thus attached to the pusher part of the electronic pen body part in a state of being fitted into an operator opening part of an outer casing. The operator opening part of the outer casing is formed in a side surface thereof at a position corresponding to a button switch of the electronic pen body part being loaded into the outer casing and placed at a fixed position. Therefore, the button switch can reliably be depressed through the operator, and the side switch of the electronic pen is realized.Type: ApplicationFiled: June 5, 2024Publication date: September 26, 2024Inventors: Mamoru OGATA, Takenori KANEDA, Kenichi NINOMIYA, Takayuki ARAI, Kohei TANAKA
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Patent number: 12087487Abstract: A coil component includes: a laminated body containing a plurality of metal magnetic particles; and a coil conductor provided in the laminated body so as to contact with the laminated body and wound around a coil axis, wherein the laminated body has an insulating portion including a non-metal magnetic particle region defined by at least three of the plurality of metal magnetic particles in a sectional surface of the laminated body, and wherein in the insulating portion, an atomic percent of Si is highest among those of materials constituting the non-metal magnetic particle region other than oxygen.Type: GrantFiled: March 30, 2021Date of Patent: September 10, 2024Assignee: TAIYO YUDEN CO., LTD.Inventors: Hirotaro Seino, Takayuki Arai
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Patent number: D1053192Type: GrantFiled: January 31, 2023Date of Patent: December 3, 2024Assignee: Wacom Co., Ltd.Inventors: Takayuki Arai, Kenichi Ninomiya