Patents by Inventor Yoshifumi Watanabe
Yoshifumi Watanabe 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: 20240136239Abstract: Provided is a curable composition for inkjet and air cavity formation, the curable composition capable of forming a cured product layer having a high aspect ratio and capable of enhancing adhesiveness and sealability. A curable composition for inkjet and air cavity formation according to the present invention contains a photocurable compound having a (meth)acryloyl group or a vinyl group and having no cyclic ether group, and a thermosetting compound having no (meth)acryloyl group and having a cyclic ether group, in which a content of the thermosetting compound in 100 wt % of the curable composition for inkjet and air cavity formation is 5 wt % or more, and when a B-staged product is obtained by irradiating the curable composition for inkjet and air cavity formation with light having a wavelength of 365 nm at an illuminance of 2000 mW/cm2, a viscosity at 40° C. of the B-staged product is 2.5×102 Pa·s or more and 3.0×10? Pa·s or less.Type: ApplicationFiled: April 13, 2022Publication date: April 25, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yusuke FUJITA, Takashi WATANABE, Mitsuru TANIKAWA, Yoshifumi SUGISAWA, Tomoya TANAKA, Takanori INOUE, Taichi HAMADA
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Publication number: 20240124729Abstract: Provided is an ink-jet adhesive that can suppress adhesion of an adhesive component to an unintended region of a transparent member when the transparent member is used as a member to be bonded. The ink-jet adhesive according to the present invention contains a photocurable compound having a (meth) acryloyl group or a vinyl group and having no cyclic ether group, and a photopolymerization initiator, contains or does not contain a thermosetting compound having no (meth) acryloyl group and having a cyclic ether group, and a content of the thermosetting compound is 5 wt % or less when the ink-jet adhesive contains the thermosetting compound.Type: ApplicationFiled: March 25, 2022Publication date: April 18, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yoshifumi SUGISAWA, Takashi WATANABE, Mitsuru TANIKAWA, Yusuke FUJITA, Taichi HAMADA, Tomoya TANAKA
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Publication number: 20240042783Abstract: A method for producing a transfer sheet is provided that yields excellent fastness properties in the transferred product for the image transferred from the transfer sheet. The method for producing a transfer sheet includes: forming an image by jetting an aqueous ink by an inkjet method onto a releasable support, and jetting an aqueous adhesive liquid by an inkjet method so as to at least partially overlap the image, wherein the aqueous adhesive liquid contains a resin A, and a resin B having a glass transition temperature that is at least 80° C. higher than that of the resin A.Type: ApplicationFiled: July 26, 2023Publication date: February 8, 2024Inventor: Yoshifumi WATANABE
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Publication number: 20240034025Abstract: A method for producing a transfer sheet is provided that yields excellent fastness properties for the image transferred from the transfer sheet to the transferred product. The method for producing a transfer sheet includes: forming an image by jetting an aqueous ink by an inkjet method onto a releasable support, and jetting an aqueous adhesive liquid by an inkjet method so as to at least partially overlap the image, wherein the aqueous adhesive liquid contains a resin and a crosslinking agent, and the resin exhibits reactivity relative to the crosslinking agent.Type: ApplicationFiled: July 26, 2023Publication date: February 1, 2024Inventor: Yoshifumi WATANABE
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Patent number: 11833656Abstract: A chain saw may include a saw chain, a guide bar to which the saw chain is attached, a sprocket configured to run the saw chain along a periphery of the guide bar, a prime mover configured to rotate the sprocket, an oil tank configured to store oil to be supplied to the saw chain, a housing that houses the prime mover and the oil tank, a bolt protruding from the housing and penetrating a hole disposed in the guide bar, a nut screwed onto the bolt to fix the guide bar to the housing, and a heat dissipating structure configured to dissipate heat from the bolt to the oil in the oil tank.Type: GrantFiled: December 15, 2021Date of Patent: December 5, 2023Assignee: MAKITA CORPORATIONInventors: Kohei Oishi, Ryo Sunazuka, Yoshifumi Watanabe
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Publication number: 20230312254Abstract: In a textile for a non-woven fabric, the obverse surface side on which the non-woven fabric is conveyed is coated with a rubber resin classified into the R group of JISK6397 (rubber having an unsaturated carbon bond on the main chain).Type: ApplicationFiled: April 19, 2023Publication date: October 5, 2023Inventors: Yusuke Nomura, Toshiki Saito, Yoshifumi Watanabe
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Publication number: 20220203513Abstract: A chain saw may include a saw chain, a guide bar to which the saw chain is attached, a sprocket configured to run the saw chain along a periphery of the guide bar, a prime mover configured to rotate the sprocket, an oil tank configured to store oil to be supplied to the saw chain, a housing that houses the prime mover and the oil tank, a bolt protruding from the housing and penetrating a hole disposed in the guide bar, a nut screwed onto the bolt to fix the guide bar to the housing, and a heat dissipating structure configured to dissipate heat from the bolt to the oil in the oil tank.Type: ApplicationFiled: December 15, 2021Publication date: June 30, 2022Applicant: MAKITA CORPORATIONInventors: Kohei OISHI, Ryo SUNAZUKA, Yoshifumi WATANABE
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Patent number: 11021624Abstract: An oil-based magnetic ink can be provided that has low viscosity and improved storage stability. Specifically disclosed is an oil-based magnetic ink containing a magnetic pigment that contains a ferrite, a pigment dispersant A that has an acid value but has no base value, a pigment dispersant B that has an acid value and a base value, and a non-aqueous solvent. One example of the pigment dispersant A is at least one compound selected from the group consisting of hydroxystearic acid and polyhydroxystearic acid. One example of the pigment dispersant B has an acid value of at least 5 mgKOH/g.Type: GrantFiled: July 25, 2018Date of Patent: June 1, 2021Assignee: RISO KAGAKU CORPORATIONInventors: Kenji Yamada, Naofumi Ezaki, Yoshifumi Watanabe
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Patent number: 10920096Abstract: An oil-based inkjet ink is disclosed that contains a colorant, an oil-soluble resin that is an acrylic-based polymer having a side chain containing a polydimethylsiloxane structure, and a non-aqueous solvent. A method for producing an oil-based inkjet ink is also disclosed.Type: GrantFiled: February 19, 2019Date of Patent: February 16, 2021Assignee: RISO KAGAKU CORPORATIONInventors: Shinsuke Ozawa, Mitsuko Kitanohara, Hikaru Sugiura, Yoshifumi Watanabe, Manami Shimizu, Naofumi Ezaki, Tomohiro Matsuzawa
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Patent number: 10907062Abstract: An oil-based inkjet ink is disclosed that contains colored resin particles, an ionic dispersant and a non-aqueous solvent, wherein the colored resin particles contain a colorant and a urethane-urea resin. A method for producing an oil-based inkjet ink is also disclosed.Type: GrantFiled: May 31, 2019Date of Patent: February 2, 2021Assignee: RISO KAGAKU CORPORATIONInventors: Tomohiro Matsuzawa, Yoshifumi Watanabe, Naofumi Ezaki, Yasuo Yamamoto, Mitsuko Kitanohara, Manami Shimizu
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Publication number: 20200338780Abstract: A chain saw may comprise a braking mechanism; a housing including a first space and a second space in which the braking mechanism is disposed; and an operation member. The housing may include a through hole communicating the second space to outside of the housing. The operation member may be disposed over the second space and the outside of the housing through the through hole. The operation member may be movable between a braking position where the operation member causes the braking mechanism to interrupt rotation of a saw chain and a driving position where the operation member causes the braking mechanism not to interrupt the rotation of the saw chain. The braking mechanism may comprise a connecting member that moves in the second space in conjunction with movement of the operation member. The housing may include an opening communicating the first space to the second space.Type: ApplicationFiled: April 21, 2020Publication date: October 29, 2020Applicant: MAKITA CORPORATIONInventors: Yoshifumi Watanabe, Junichi Masuda, Hideki Kachi, Tsunahisa Nakamura
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Patent number: 10682939Abstract: A vehicle seat including: a pad including: a surface pad on a side of a seating surface; and a back pad integrated to the surface pad; and a cover member that covers the pad, a frame-shaped reinforcing member is insert-molded to an outer peripheral edge of the back pad, a part of the reinforcing member, which is a locked portion that locks an end portion of the cover member, is exposed from the back pad, a part in the outer peripheral edge of the back pad other than a part corresponding to the locked portion is formed with recesses, an engagement member attached to the end portion of the cover member being inserted into the recesses, and the part of the back pad corresponding to the locked portion is thinner than a part of the back pad where the recesses are formed.Type: GrantFiled: December 5, 2018Date of Patent: June 16, 2020Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Toru Araki, Koh Tanaka, Yoshifumi Watanabe
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Publication number: 20200002557Abstract: An oil-based inkjet ink is disclosed that contains colored resin particles, an ionic dispersant and a non-aqueous solvent, wherein the colored resin particles contain a colorant and a urethane-urea resin. A method for producing an oil-based inkjet ink is also disclosed.Type: ApplicationFiled: May 31, 2019Publication date: January 2, 2020Inventors: Tomohiro MATSUZAWA, Yoshifumi WATANABE, Naofumi EZAKI, Yasuo YAMAMOTO, Mitsuko KITANOHARA, Manami SHIMIZU
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Publication number: 20190300737Abstract: An oil-based inkjet ink is disclosed that contains a colorant, an oil-soluble resin that is an acrylic-based polymer having a side chain containing a polydimethylsiloxane structure, and a non-aqueous solvent. A method for producing an oil-based inkjet ink is also disclosed.Type: ApplicationFiled: February 19, 2019Publication date: October 3, 2019Inventors: Shinsuke OZAWA, Mitsuko KITANOHARA, Hikaru SUGIURA, Yoshifumi WATANABE, Manami SHIMIZU, Naofumi EZAKI, Tomohiro MATSUZAWA
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Patent number: 10401230Abstract: A second case includes a projection that projects on an opposite side of a threaded portion of the second case, which is opposite from a first case, while the projection is placed in a passage when the second case is installed to an installation-subject member. An opening is formed in a visible area of an outer peripheral surface of the projection, which is visible at a time of viewing the outer peripheral surface in a flow direction of the measurement-subject medium upon installation of the second case to the installation-subject member, and the projection includes a flow direction changing portion that changes a flow direction of the measurement-subject medium, which is introduced from the passage into an introducing hole through the opening, from a direction along the passage to a direction toward the sensor unit.Type: GrantFiled: April 4, 2016Date of Patent: September 3, 2019Assignee: DENSO CORPORATIONInventors: Kazuaki Fujisawa, Yoshifumi Watanabe, Kouji Hashimoto
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Publication number: 20190206620Abstract: An oil-based magnetic inkjet ink that prevents any increase in ink viscosity over a long period of time can be provided. The oil-based magnetic inkjet ink contains a magnetic pigment containing a ferrite, a dispersant, a non-aqueous solvent, and an organometallic chelate compound. This organometallic chelate compound may include an organoaluminum chelate compound.Type: ApplicationFiled: December 28, 2018Publication date: July 4, 2019Inventors: Kenji YAMADA, Yoshifumi WATANABE
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Publication number: 20190176668Abstract: A vehicle seat including: a pad including: a surface pad on a side of a seating surface; and a back pad integrated to the surface pad; and a cover member that covers the pad, a frame-shaped reinforcing member is insert-molded to an outer peripheral edge of the back pad, a part of the reinforcing member, which is a locked portion that locks an end portion of the cover member, is exposed from the back pad, a part in the outer peripheral edge of the back pad other than a part corresponding to the locked portion is formed with recesses, an engagement member attached to the end portion of the cover member being inserted into the recesses, and the part of the back pad corresponding to the locked portion is thinner than a part of the back pad where the recesses are formed.Type: ApplicationFiled: December 5, 2018Publication date: June 13, 2019Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Toru ARAKI, Koh TANAKA, Yoshifumi WATANABE
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Publication number: 20190031901Abstract: An oil-based magnetic ink can be provided that has low viscosity and improved storage stability. Specifically disclosed is an oil-based magnetic ink containing a magnetic pigment that contains a ferrite, a pigment dispersant A that has an acid value but has no base value, a pigment dispersant B that has an acid value and a base value, and a non-aqueous solvent. One example of the pigment dispersant A is at least one compound selected from the group consisting of hydroxystearic acid and polyhydroxystearic acid. One example of the pigment dispersant B has an acid value of at least 5 mgKOH/g.Type: ApplicationFiled: July 25, 2018Publication date: January 31, 2019Inventors: Kenji YAMADA, Naofumi EZAKI, Yoshifumi WATANABE
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Patent number: 10144839Abstract: A colored resin particle dispersion having improved fixation to the printed item immediately after printing and improved color development properties for the printed item, and an inkjet ink containing the colored resin particle dispersion. The colored resin particle dispersion contains colored resin particles, a basic dispersant, and a non-aqueous solvent, wherein the colored resin particles contain a colorant and a (meth)acrylic-based resin, and the (meth)acrylic-based resin has a unit A having a carboxyl group, a unit B having a phosphoric acid group and/or a phosphate ester group, and a unit C having an aromatic ring.Type: GrantFiled: August 24, 2017Date of Patent: December 4, 2018Assignee: RISO KAGAKU CORPORATIONInventors: Manami Shimizu, Yoshifumi Watanabe
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Patent number: 10106639Abstract: An oil-based inkjet ink that exhibits excellent repellency by the nozzle plate, prevents degradation of the nozzle plate, reduces image show-through, and yields high image density. The oil-based inkjet ink includes an encapsulated pigment containing a pigment and a urethane compound that coats the surface of the pigment, and a non-aqueous solvent, wherein the urethane compound has a urethane skeleton and one or more side chains and is insoluble in the non-aqueous solvent, and the side chains of the urethane compound contain one or more moieties selected from the group consisting of an aromatic ring, a heterocyclic ring, a carboxyl group, an amide linkage, a fluoroalkyl group having one or more fluorine atoms, and a nitrile group.Type: GrantFiled: June 26, 2017Date of Patent: October 23, 2018Assignee: RISO KAGAKU CORPORATIONInventors: Yoshifumi Watanabe, Manami Shimizu, Kenji Yamada, Tomohiro Matsuzawa