Patents by Inventor Yukio Sugita
Yukio Sugita 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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Patent number: 10787041Abstract: Provided is a pneumatic tire including, on an outer surface of its sidewall portion, a decorative portion including a print layer and a protective layer located on a tire outer side of the print layer. The decorative portion further includes an intermediate layer located between the print layer and the protective layer. When a storage modulus of the print layer, a storage modulus of the protective layer, and a storage modulus of the intermediate layer are respectively defined as E1?, E2?, and E3?, the following relational expression is satisfied: E2?>E3?>E1?.Type: GrantFiled: July 24, 2015Date of Patent: September 29, 2020Assignee: BRIDGESTONE CORPORATIONInventors: Kentaro Mizotani, Nobuyuki Hirai, Takashi Kuwahara, Yuki Nakamura, Keita Oshikane, Toshio Furutaka, Yasuma Saito, Yukio Sugita
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Patent number: 10603963Abstract: Provided is a pneumatic tire including, on an outer surface of its sidewall portion, a decorative portion including a print layer and inner and outer layers respectively disposed on tire inner and outer sides of the print layer. When storage moduli at 25° C. of the print, inner, and outer layers are respectively defined as E125?, E225?, and E325?, E125?<E225? and E125?<E325? are satisfied. When storage moduli at 80° C. of the print, inner, and outer layers are respectively defined as E180?, E280?, and E380?, and storage modulus variations ?1, ?2, and ?3 at high temperature of the print, inner, and outer layers are respectively defined as ?1=|E125??E180?|/E125?, ?2=|E225??E280?|/E225?, and ?3=|E325??E380?|/E325?, ?1<?2 and ?1<?3, and E225?>E280? and E325?>E380? are satisfied.Type: GrantFiled: July 24, 2015Date of Patent: March 31, 2020Assignee: BRIDGESTONE CORPORATIONInventors: Kentaro Mizotani, Nobuyuki Hirai, Takashi Kuwahara, Yuki Nakamura, Keita Oshikane, Toshio Furutaka, Yasuma Saito, Yukio Sugita
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Patent number: 10563081Abstract: A main object of the present invention is to provide an ink composition for ink-jet recording capable of forming an ink film excellent in both film strength and scratch resistance. The present invention achieves the object by providing an ink composition for ink-jet recording comprising: an aqueous solvent including water and water-soluble organic solvent; a coloring agent; a resin emulsion; and a surfactant; wherein the resin emulsion includes a silicon-acrylic resin emulsion and a resin emulsion other than the silicon-acrylic resin emulsion; a content ratio of the resin emulsion to the coloring agent (content of the resin emulsion/content of the coloring agent) is 1/5 or more and 15/1 or less; and a content ratio of the silicon-acrylic resin emulsion to the coloring agent (content of the silicon-acrylic resin emulsion/content of the coloring agent) is 1/20 or more and 5/1 or less.Type: GrantFiled: November 8, 2016Date of Patent: February 18, 2020Assignee: DNP Fine Chemicals Co., LTD.Inventors: Kisei Matsumoto, Naoki Shiraishi, Kentaro Otomo, Fumie Yamazaki, Yukio Sugita
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Publication number: 20190292395Abstract: A main object of the present invention is to provide an ink composition for ink-jet recording capable of forming an ink film excellent in both film strength and scratch resistance. The present invention achieves the object by providing an ink composition for ink-jet recording comprising: an aqueous solvent including water and water-soluble organic solvent; a coloring agent; a resin emulsion; and a surfactant; wherein the resin emulsion includes a silicon-acrylic resin emulsion and a resin emulsion other than the silicon-acrylic resin emulsion; a content ratio of the resin emulsion to the coloring agent (content of the resin emulsion/content of the coloring agent) is 1/5 or more and 15/1 or less; and a content ratio of the silicon-acrylic resin emulsion to the coloring agent (content of the silicon-acrylic resin emulsion/content of the coloring agent) is 1/20 or more and 5/1 or less.Type: ApplicationFiled: November 8, 2016Publication date: September 26, 2019Inventors: Kisei MATSUMOTO, Naoki SHIRAISHI, Kentaro OTOMO, Fumie YAMAZAKI, Yukio SUGITA
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Patent number: 10253196Abstract: Provided is an inkjet recording ink composition which has excellent water resistance and solvent resistance and also has excellent ejection stability. Disclosed is an inkjet recording ink composition which contains a resin having an acid value of less than 10 mg KOH/g, an amino alcohol having a boiling point of 100° C. or more and 300° C. or less, a pigment, and a solvent, in which the resin is in an emulsion state.Type: GrantFiled: September 2, 2014Date of Patent: April 9, 2019Assignee: DNP FINE CHEMICALS CO., LTD.Inventors: Yukio Sugita, Fumie Yamazaki, Masaki Inumaru, Kisei Matsumoto, Naoki Shiraishi
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Patent number: 10072164Abstract: An object of the present invention is to provide: a pigment dispersion liquid for inkjet ink, which is stable for a long period of storage and which increases repellency to ink ejection surface. Disclosed is a pigment dispersion liquid for inkjet ink, comprising: a pigment; a pigment dispersing agent; and a compound having an ethylenically unsaturated double bond, wherein the pigment dispersing agent has an amine value of 20 mgKOH/g or less and an acid value of 10 mgKOH/g or less, contains one or more components selected from the group consisting of: a copolymer having a styrene-derived repeating unit, a repeating unit derived from an unsaturated fatty acid having 12 or more carbon atoms, and a repeating unit derived from a polyalkylene oxide having an ethylenically unsaturated double bond; a specific salt of the copolymer and an amine derivative of the copolymer.Type: GrantFiled: September 21, 2016Date of Patent: September 11, 2018Assignee: DNP FINE CHEMICALS CO., LTD.Inventors: Yukiko Ishima, Keishiro Yoshimori, Yukio Sugita
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Patent number: 9944810Abstract: Provided is an aqueous ink jet-use ink composition which includes a binder resin, a surfactant, a pigment, a solvent and, if necessary, a pigment-dispersing resin. The binder resin has a glass transition temperature of 40-90° C. and is dispersed as resin emulsion particles. The value of A, which is defined as the sum of the product of the acid value and the content in terms of parts by mass of the binder resin and pigment-dispersing resin, is 0-200 mg KOH/g. The surfactant is a non-ionic compound represented by formula (1), and the content of solvents having boiling points of 250° C. or higher is less than 5 parts by mass relative to 100 parts by mass of the ink composition. R1O—(R2O)n—H??(1) R1 is a straight-chain or branched chain alkyl group having 12-22 carbon atoms. R2 is an ethylene group or propylene group. n is an integer between 10 and 50.Type: GrantFiled: March 11, 2016Date of Patent: April 17, 2018Assignee: DNP Fine Chemicals Co., Ltd.Inventors: Fumie Yamazaki, Akiko Kobayashi, Naoki Shiraishi, Kisei Matsumoto, Kentaro Otomo, Yukio Sugita
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Publication number: 20180030298Abstract: Provided is an aqueous ink jet-use ink composition which includes a binder resin, a surfactant, a pigment, a solvent and, if necessary, a pigment-dispersing resin. The binder resin has a glass transition temperature of 40-90° C. and is dispersed as resin emulsion particles. The value of A, which is defined as the sum of the product of the acid value and the content in terms of parts by mass of the binder resin and pigment-dispersing resin, is 0-200 mg KOH/g. The surfactant is a non-ionic compound represented by formula (1), and the content of solvents having boiling points of 250° C. or higher is less than 5 parts by mass relative to 100 parts by mass of the ink composition. R1O—(R2O)n—H??(1) R1 is a straight-chain or branched chain alkyl group having 12-22 carbon atoms. R2 is an ethylene group or propylene group. n is an integer between 10 and 50.Type: ApplicationFiled: March 11, 2016Publication date: February 1, 2018Applicant: DNP Fine Chemicals Co., Ltd.Inventors: Fumie Yamazaki, Akiko Kobayashi, Naoki Shiraishi, Kisei Matsumoto, Kentaro Otomo, Yukio Sugita
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Inkjet recording ink composition, inkjet recording method, and method for producing printed material
Patent number: 9745482Abstract: Provided is an inkjet recording ink composition, which has excellent ejection stability and enables the production of a printed material that has excellent water resistance and scratch resistance. Disclosed is an inkjet recording ink composition, which contains a wax emulsion having an average particle diameter of 140 nm or less and containing a polyolefin-based wax with a melting point of 85° C. or more and 120° C. or less, a resin emulsion, a pigment, and an aqueous solvent.Type: GrantFiled: September 1, 2014Date of Patent: August 29, 2017Assignee: DNP FINE CHEMICALS CO., LTD.Inventors: Yukio Sugita, Fumie Yamazaki -
Publication number: 20170240002Abstract: Provided is a pneumatic tire including, on an outer surface of its sidewall portion, a decorative portion including a print layer and a protective layer located on a tire outer side of the print layer. The decorative portion further includes an intermediate layer located between the print layer and the protective layer. When a storage modulus of the print layer, a storage modulus of the protective layer, and a storage modulus of the intermediate layer are respectively defined as E1?, E2?, and E3?, the following relational expression is satisfied: E2?>E3?>E1?.Type: ApplicationFiled: July 24, 2015Publication date: August 24, 2017Applicant: BRIDGESTONE CORPORATIONInventors: Kentaro MIZOTANI, Nobuyuki HIRAI, Takashi KUWAHARA, Yuki NAKAMURA, Keita OSHIKANE, Toshio FURUTAKA, Yasuma SAITO, Yukio SUGITA
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Publication number: 20170225520Abstract: Provided is a pneumatic tire including, on an outer surface of its sidewall portion, a decorative portion including a print layer and inner and outer layers respectively disposed on tire inner and outer sides of the print layer. When storage moduli at 25° C. of the print, inner, and outer layers are respectively defined as E125?, E225?, and E325?, E125?<E225? and E125?<E325? are satisfied. When storage moduli at 80° C. of the print, inner, and outer layers are respectively defined as E180?, E280?, and E380?, and storage modulus variations ?1, ?2, and ?3 at high temperature of the print, inner, and outer layers are respectively defined as ?1=|E125??E180?|/E125?, ?2=|E225??E280?|/E225?, and ?3=|E325??E380?|/E325?, ?1<?2 and ?1<?3, and E225?>E280? and E325?>E380? are satisfied.Type: ApplicationFiled: July 24, 2015Publication date: August 10, 2017Applicant: BRIDGESTONE CORPORATIONInventors: Kentaro MIZOTANI, Nobuyuki HIRAI, Takashi KUWAHARA, Yuki NAKAMURA, Keita OSHIKANE, Toshio FURUTAKA, Yasuma SAITO, Yukio SUGITA
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Publication number: 20170009089Abstract: An object of the present invention is to provide: a pigment dispersion liquid for inkjet ink, which is stable for a long period of storage and which increases repellency to ink ejection surface. Disclosed is a pigment dispersion liquid for inkjet ink, comprising: a pigment; a pigment dispersing agent; and a compound having an ethylenically unsaturated double bond, wherein the pigment dispersing agent has an amine value of 20 mgKOH/g or less and an acid value of 10 mgKOH/g or less, contains one or more components selected from the group consisting of: a copolymer having a styrene-derived repeating unit, a repeating unit derived from an unsaturated fatty acid having 12 or more carbon atoms, and a repeating unit derived from a polyalkylene oxide having an ethylenically unsaturated double bond; a specific salt of the copolymer and an amine derivative of the copolymer.Type: ApplicationFiled: September 21, 2016Publication date: January 12, 2017Inventors: Yukiko ISHIMA, Keishiro YOSHIMORI, Yukio SUGITA
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Publication number: 20160376452Abstract: Provided is an inkjet recording ink composition which has excellent water resistance and solvent resistance and also has excellent ejection stability. Disclosed is an inkjet recording ink composition which contains a resin having an acid value of less than 10 mg KOH/g, an amino alcohol having a boiling point of 100° C. or more and 300° C. or less, a pigment, and a solvent, in which the resin is in an emulsion state.Type: ApplicationFiled: September 2, 2014Publication date: December 29, 2016Applicant: DNP FINE CHEMICALS CO., LTD.Inventors: Yukio SUGITA, Fumie YAMAZAKI, Masaki INUMARU, Kisei MATSUMOTO, Naoki SHIRAISHI
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Patent number: 9487665Abstract: An object of the present invention is to provide: a pigment dispersion liquid for inkjet ink, which is stable for a long period of storage and which increases repellency to ink ejection surface. Disclosed is a pigment dispersion liquid for inkjet ink, comprising: a pigment; a pigment dispersing agent; and a compound having an ethylenically unsaturated double bond, wherein the pigment dispersing agent has an amine value of 20 mgKOH/g or less and an acid value of 10 mgKOH/g or less, contains one or more components selected from the group consisting of: a copolymer having a styrene-derived repeating unit, a repeating unit derived from an unsaturated fatty acid having 12 or more carbon atoms, and a repeating unit derived from a polyalkylene oxide having an ethylenically unsaturated double bond; a specific salt of the copolymer and an amine derivative of the copolymer.Type: GrantFiled: February 5, 2013Date of Patent: November 8, 2016Assignee: DNP FINE CHEMICALS CO., LTD.Inventors: Yukiko Ishima, Keishiro Yoshimori, Yukio Sugita
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INKJET RECORDING INK COMPOSITION, INKJET RECORDING METHOD, AND METHOD FOR PRODUCING PRINTED MATERIAL
Publication number: 20160319141Abstract: Provided is an inkjet recording ink composition, which has excellent ejection stability and enables the production of a printed material that has excellent water resistance and scratch resistance. Disclosed is an inkjet recording ink composition, which contains a wax emulsion having an average particle diameter of 140 nm or less and containing a polyolefin-based wax with a melting point of 85° C. or more and 120° C. or less, a resin emulsion, a pigment, and an aqueous solvent.Type: ApplicationFiled: September 1, 2014Publication date: November 3, 2016Inventors: Yukio SUGITA, Fumie YAMAZAKI -
Patent number: 9415638Abstract: Provided is a decorative tire in which an ink composition including a colorant is directly applied onto the tire surface in order to improve the degree of flexibility in design. This decorative tire has a decorative printed layer formed on the tire surface, the decorative printed layer being a cured film of an active-energy-ray-curable ink composition including a colorant. The ink composition includes a monofunctional monomer having a glass transition point of ?30° C. or lower, and a polyfunctional monomer having a glass transition point of 0° C. or lower. Preferably, the ink composition further includes a monofunctional monomer having an alicyclic structure with a glass transition point between 0-110° C. inclusive. Preferably, a surface protection layer that protects the surface of the decorative printed layer is formed on the surface of the decorative printed layer. Also, preferably, a primer layer is formed between the tire surface and the decorative printed layer.Type: GrantFiled: January 11, 2013Date of Patent: August 16, 2016Assignee: Bridgestone CorporationInventors: Yasuma Saito, Toshio Furutaka, Yukio Sugita, Yuki Nakamura, Kojiro Torisu, Akihiko Hajikano
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PIGMENT DISPERSION LIQUID FOR INKJET INK, ACTIVE ENERGY BEAM-CURABLE INKJET INK, AND PRINTED PRODUCT
Publication number: 20150030825Abstract: An object of the present invention is to provide: a pigment dispersion liquid for inkjet ink, which is stable for a long period of storage and which increases repellency to ink ejection surface. Disclosed is a pigment dispersion liquid for inkjet ink, comprising: a pigment; a pigment dispersing agent; and a compound having an ethylenically unsaturated double bond, wherein the pigment dispersing agent has an amine value of 20 mgKOH/g or less and an acid value of 10 mgKOH/g or less, contains one or more components selected from the group consisting of: a copolymer having a styrene-derived repeating unit, a repeating unit derived from an unsaturated fatty acid having 12 or more carbon atoms, and a repeating unit derived from a polyalkylene oxide having an ethylenically unsaturated double bond; a specific salt of the copolymer and an amine derivative of the copolymer.Type: ApplicationFiled: February 5, 2013Publication date: January 29, 2015Inventors: Yukiko Ishima, Keishiro Yoshimori, Yukio Sugita -
Publication number: 20150017398Abstract: Provided is an ink composition having excellent conformability even to a flexible base material to be printed. This active-energy-ray-curable ink composition comprises active-energy-ray-polymerizable monomers and an active-energy-ray polymerization initiator. The active-energy-ray-polymerizable monomers include: monomer A which is a monofunctional monomer having a glass transition point of ?30° C. or lower; and monomer B which is a polyfunctional monomer having a glass transition point of 0° C. or lower. Preferably, said monomer B is a bifunctional monomer having a glass transition point of ?30° C. or lower. Preferably, the active-energy-ray-polymerizable monomers further include monomer C which is a monofunctional monomer having an alicyclic structure with a glass transition point between 0-110° C. inclusive. The ink composition may also include a colorant.Type: ApplicationFiled: January 11, 2013Publication date: January 15, 2015Inventors: Yasuma Saito, Toshio Furutaka, Yukio Sugita
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Publication number: 20150010737Abstract: Provided is a decorative tire in which an ink composition including a colorant is directly applied onto the tire surface in order to improve the degree of flexibility in design. This decorative tire has a decorative printed layer formed on the tire surface, the decorative printed layer being a cured film of an active-energy-ray-curable ink composition including a colorant. The ink composition includes a monofunctional monomer having a glass transition point of ?30° C. or lower, and a polyfunctional monomer having a glass transition point of 0° C. or lower. Preferably, the ink composition further includes a monofunctional monomer having an alicyclic structure with a glass transition point between 0-110° C. inclusive. Preferably, a surface protection layer that protects the surface of the decorative printed layer is formed on the surface of the decorative printed layer. Also, preferably, a primer layer is formed between the tire surface and the decorative printed layer.Type: ApplicationFiled: January 11, 2013Publication date: January 8, 2015Inventors: Yasuma Saito, Toshio Furutaka, Yukio Sugita, Yuki Nakamura, Kojiro Torisu, Akihiko Hajikano
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Patent number: 8841356Abstract: Disclosed is an ink composition which has superior storage stability, is resistant to bleeding, has good fixability to paper, and enables printing of a clear image. The ink composition includes a pigment dispersion containing a surface-treated pigment and a resin emulsion, wherein the surface-treated pigment is obtained by binding a functional group, having a larger calcium index than a calcium index of 1,2,3-benzenetricarboxylic acid, to the surface of a pigment; and the resin emulsion is adapted so that an aqueous solution containing 1 mass % of a solid content of the resin emulsion has a conductance of 300 ?S/cm or less.Type: GrantFiled: September 30, 2010Date of Patent: September 23, 2014Assignee: DNP Fine Chemicals Co., Ltd.Inventors: Satoshi Shioda, Tatsuro Ishitobi, Takao Otomaru, Rumiko Matsuo, Masaki Inumaru, Yukio Sugita, Fumie Yamazaki, Naoki Shiraishi, Mitsuyoshi Tamura, Ataru Miyata