Patents by Inventor Masaaki Mawatari
Masaaki Mawatari 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: 20230147429Abstract: In the present disclosure, an artificial joint stem includes a base and a coating film located on the base. The base includes a first region, a second region, and a third region located in sequence. The coating film contains a calcium phosphate-based material and an antimicrobial material. The coating film is located across the first region and the second region, and the third region is exposed from the coating film. The surface of the coating film located in the first region has a larger surface roughness than the surface of the base in the third region.Type: ApplicationFiled: March 30, 2020Publication date: May 11, 2023Inventors: Masaaki MAWATARI, Iwao NODA
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Publication number: 20230121881Abstract: Provided is a bioimplant which is capable to inhibit the biofilm formation over a long period of time after an operation. The bioimplant of the present invention comprises a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon and the silver concentration in the thermal-spray film is 0.05 wt % to 3.00 wt %.Type: ApplicationFiled: December 21, 2022Publication date: April 20, 2023Inventors: Masaaki MAWATARI, Masatsugu TSUKAMOTO, Iwao NODA
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Publication number: 20230076858Abstract: A spinal implant includes a base and a coating film disposed on the base and including a calcium phosphate-based material and an antimicrobial agent. A surface of the base includes a first region in which the coating film is disposed and a second region exposed from the coating film.Type: ApplicationFiled: February 1, 2021Publication date: March 9, 2023Inventors: Kazuya MATSUNAGA, Fumiya NAKADA, Masaaki MAWATARI, Tadatsugu MORIMOTO
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Patent number: 11577006Abstract: Provided is a bioimplant which is capable to inhibit the biofilm formation over a long period of time after an operation. The bioimplant of the present invention comprises a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon and the silver concentration in the thermal-spray film is 0.05 wt % to 3.00 wt %.Type: GrantFiled: October 26, 2020Date of Patent: February 14, 2023Assignees: KYOCERA CORPORATION, SAGA UNIVERSITYInventors: Masaaki Mawatari, Masatsugu Tsukamoto, Iwao Noda
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Publication number: 20210052780Abstract: Provided is a bioimplant which is capable to inhibit the biofilm formation over a long period of time after an operation. The bioimplant of the present invention comprises a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon and the silver concentration in the thermal-spray film is 0.05 wt % to 3.00 wt %.Type: ApplicationFiled: October 26, 2020Publication date: February 25, 2021Inventors: Masaaki Mawatari, Masatsugu Tsukamoto, Iwao Noda
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Patent number: 10814039Abstract: Provided is a bioimplant which is capable to inhibit the biofilm formation over a long period of time after an operation. The bioimplant of the present invention comprises a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon and the silver concentration in the thermal-spray film is 0.05 wt % to 3.00 wt %.Type: GrantFiled: January 12, 2017Date of Patent: October 27, 2020Assignees: KYOCERA CORPORATION, SAGA UNIVERSITYInventors: Masaaki Mawatari, Masatsugu Tsukamoto, Iwao Noda
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Publication number: 20170119932Abstract: Provided is a bioimplant which is capable to inhibit the biofilm formation over a long period of time after an operation. The bioimplant of the present invention comprises a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon and the silver concentration in the thermal-spray film is 0.05 wt % to 3.00 wt %.Type: ApplicationFiled: January 12, 2017Publication date: May 4, 2017Inventors: Masaaki MAWATARI, Masatsugu TSUKAMOTO, lwao NODA
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Publication number: 20150018965Abstract: Provided is a bioimplant which is capable to inhibit the biofilm formation over a long period of time after an operation. The bioimplant of the present invention comprises a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon and the silver concentration in the thermal-spray film is 0.05 wt % to 3.00 wt %.Type: ApplicationFiled: January 16, 2013Publication date: January 15, 2015Applicants: KYOCERA MEDICAL CORPORATION, SAGA UNIVERSITYInventors: Masaaki Mawatari, Masatsugu Tsukamoto, Iwao Noda
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Patent number: 8653188Abstract: The object of the present invention is to provide a thermoplastic polymer composition which is excellent in the impact resistance, a fracture morphology and rigidity, as well as has a possibility of the effect for reducing environmental load. The thermoplastic resin composition comprises 15 to 85% by mass of aliphatic polyester-based resin (A) comprising the following (AI) and (AII) components, and 15 to 85% by mass of styrene-based resin (B) which is at least one selected from the group consisting of the following (BI) to (BIII). The above (AI) is an aliphatic polyester-based resin having units formed from an aliphatic diol and/or an alicyclic diol and an aliphatic dicarboxylic acid (including derivatives thereof) and/or an alicyclic dicarboxylic (including derivatives thereof) as repeating units, and the above (AII) is a polylactic acid-based aliphatic polyester resin having not less than 70 mol % of lactic acid unit content.Type: GrantFiled: May 8, 2008Date of Patent: February 18, 2014Assignee: Techno Polymer Co., Ltd.Inventors: Tatsuya Toneri, Masaaki Mawatari
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Publication number: 20130138223Abstract: Provided is a bioimplant superior in antimicrobial action and safety in the body. The bioimplant according to the present invention comprises a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon and the silver concentration in the thermal spraying film is 0.02 wt % to 3.00 wt %.Type: ApplicationFiled: August 12, 2011Publication date: May 30, 2013Applicants: KYOCERA MEDICAL CORPORATION, SAGA UNIVERSITYInventors: Masaaki Mawatari, Iwao Noda
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Patent number: 8252868Abstract: A thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property containing (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer of (B1) a hard segment block with at least one of a polyamide, polyester, polyolefin or polyurethane, and (B2) a soft segment block having an ether bond.Type: GrantFiled: November 4, 2011Date of Patent: August 28, 2012Assignee: Techno Polymer Co., Ltd.Inventors: Masaaki Mawatari, Tatsuya Toneri
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Publication number: 20120065332Abstract: A thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property containing (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer of (B1) a hard segment block with at least one of a polyamide, polyester, polyolefin or polyurethane, and (B2) a soft segment block having an ether bond.Type: ApplicationFiled: November 4, 2011Publication date: March 15, 2012Applicant: TECHNO POLYMER CO.,LTD.Inventors: Masaaki MAWATARI, Tatsuya Toneri
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Patent number: 8084538Abstract: The present invention provides a thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property. The present invention relates to a thermoplastic polymer composition comprising (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer comprising (B1) a hard segment block comprising at least one polymer selected from the group consisting of a polyamide, a polyester, a polyolefin and a polyurethane, and (B2) a soft segment block having an ether bond, with the proviso that a total amount of the components (A) and (B) is 100% by mass.Type: GrantFiled: January 26, 2009Date of Patent: December 27, 2011Assignee: Techno Polymer Co., Ltd.Inventors: Masaaki Mawatari, Tatsuya Toneri
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Publication number: 20100152384Abstract: The object of the present invention is to provide a thermoplastic polymer composition which is excellent in the impact resistance, a fracture morphology and rigidity, as well as has a possibility of the effect for reducing environmental load. The thermoplastic resin composition comprises 15 to 85% by mass of aliphatic polyester-based resin (A) comprising the following (AI) and (AII) components, and 15 to 85% by mass of styrene-based resin (B) which is at least one selected from the group consisting of the following (BI) to (BIII). The above (AI) is an aliphatic polyester-based resin having units formed from an aliphatic diol and/or an alicyclic diol and an aliphatic dicarboxylic acid (including derivatives thereof) and/or an alicyclic dicarboxylic (including derivatives thereof) as repeating units, and the above (AII) is a polylactic acid-based aliphatic polyester resin having not less than 70 mol % of lactic acid unit content.Type: ApplicationFiled: May 8, 2008Publication date: June 17, 2010Inventors: Tatsuya Toneri, Masaaki Mawatari
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Publication number: 20100105836Abstract: The present invention provides a thermoplastic resin composition excellent in impact resistance, delamination resistance and surface appearance The present invention relates to a thermoplastic resin composition comprising: 5 to 95% by mass of an aliphatic polyester (A), 4 to 94% by mass of an olefin-based resin (B) and 1 to 40% by mass of an aromatic vinyl-based polymer (C) where the total amount of component (A), component (B) and component (C) is 100% by mass, the aromatic vinyl-based polymer (C) being at least one selected from: an aromatic vinyl-based polymer (C1) which is an elastomer comprising a block copolymer comprising a polymer block mainly comprising an aromatic vinyl compound and a polymer block mainly comprising a conjugated diene compound, an aromatic vinyl-based polymer (C2) which is an elastomer obtained by hydrogenation of the aromatic vinyl-based polymer (C1), and an aromatic vinyl-based polymer (C3) which is a graft copolymer obtained by polymerizing a vinyl-based monomer containing anType: ApplicationFiled: September 27, 2007Publication date: April 29, 2010Inventors: Masaaki Mawatari, Tatsuya Toneri
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Publication number: 20090171023Abstract: The present invention provides a thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property. The present invention relates to a thermoplastic polymer composition comprising (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer comprising (B) a hard segment block comprising at least one polymer selected from the group consisting of a polyamide, a polyester, a polyolefin and a polyurethane, and (B2) a soft segment block having an ether bond, with the proviso that a total amount of the components (A) and (B) is 100% by mass.Type: ApplicationFiled: January 26, 2009Publication date: July 2, 2009Applicant: TECHNO POLYMER CO., LTD.Inventors: Masaaki Mawatari, Tatsuya Toneri
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Patent number: 7553899Abstract: The present invention provides a flame retardant resin composition comprising the following component (A), component (B), component (C) and component (D), in which 0.1 to 50 parts by mass of the component (B), 0.001 to 30 parts by mass of the component (C) and 0.1 to 50 parts by mass of the component (D) are blended with 100 parts by mass of the component (A). Component (A): A rubber-modified styrene resin obtained by (co)polymerizing an aromatic vinyl compound or an aromatic vinyl compound and another vinyl monomer copolymerizable with the aromatic vinyl compound in a presence of a rubber-like polymer; Component (B): A thermally expandable graphite; Component (C): A layered clay material modified by a water-soluble polymer; and Component (D): At least one selected from the group consisting of silicone compounds, boron oxides, aminotriazine sulfate compounds and aminotriazine compounds. The resin composition is excellent in flame retardance and impact resistance.Type: GrantFiled: June 3, 2005Date of Patent: June 30, 2009Assignees: Techno Polymer Co., Ltd., LG Chem, Ltd.Inventors: Masaaki Mawatari, Sung-Ho Lee, Young-Ho Choi
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Publication number: 20070208114Abstract: The present invention provides a flame retardant resin composition comprising the following component (A), component (B), component (C) and component (D), in which 0.1 to 50 parts by mass of the component (B), 0.001 to 30 parts by mass of the component (C) and 0.1 to 50 parts by mass of the component (D) are blended with 100 parts by mass of the component (A). Component (A): A rubber-modified styrene resin obtained by (co)polymerizing an aromatic vinyl compound or an aromatic vinyl compound and another vinyl monomer copolymerizable with the aromatic vinyl compound in a presence of a rubber-like polymer; Component (B): A thermally expandable graphite; Component (C): A layered clay material modified by a water-soluble polymer; and Component (D): At least one selected from the group consisting of silicone compounds, boron oxides, aminotriazine sulfate compounds and aminotriazine compounds. The resin composition is excellent in flame retardance and impact resistance.Type: ApplicationFiled: June 3, 2005Publication date: September 6, 2007Applicant: Techno Polymer Co., Ltd.Inventors: Masaaki Mawatari, Sung-Ho Lee, Young-Ho Choi
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Publication number: 20040132892Abstract: The present invention relates to a white coloring laser-marking thermoplastic resin composition, comprising:Type: ApplicationFiled: November 13, 2003Publication date: July 8, 2004Applicant: Techno Polymer Co., Ltd.Inventors: Kazuyoshi Kawakami, Norifumi Sumimoto, Masaaki Mawatari
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Patent number: 6743849Abstract: The invention provides a thermoplastic resin composition having excellent blister resistance, which does not cause blister on the surfaces of resinous parts by passing through a reflowing oven when the resin composition is used as a resin material forming the resinous parts subjected to the surface-mount technology system, particularly, a thermoplastic resin composition high in mechanical strength such as flexural strength, weld strength and tensile elongation and excellent in moldability and friction property.Type: GrantFiled: June 22, 2001Date of Patent: June 1, 2004Assignee: DSM JSR Engineering Plastics Kabushiki KaishaInventors: Masaaki Mawatari, Kenji Mitamura