Patents by Inventor Kazuhiro Yagishita
Kazuhiro Yagishita 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: 10870812Abstract: A surface protection composition which is hard to deform or flow even placed under environments of a large temperature change with an external physical load such as pressure, and which stably protects a metal surface. A terminal fitted electric wire coated with the composition. The surface protection composition contains a high-consistency material (A) containing a lubricant base oil and an amide compound, and a phosphorus composition (B). The phosphorus composition (B) contains a composition (b1) containing one or more compounds represented by the general formulae (1) and (2) and one or more metals and/or one or more amines. The phosphorus composition (B) also contains one or more compounds (b2) represented by the general formula (3).Type: GrantFiled: March 8, 2017Date of Patent: December 22, 2020Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, ENEOS CORPORATIONInventors: Naoyuki Oshiumi, Takehiro Hosokawa, Kohei Kobayashi, Tetsuya Nakamura, Tatsuya Hase, Yutaka Takata, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Yuji Shitara, Kazuhiro Yagishita
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Patent number: 10858609Abstract: An anticorrosive agent including: a high-consistency material having a lubricant base oil and an amide compound, a composition of a phosphorus compound comprising one or more compounds represented by the general formulae (1) and (2) and a metal, and at least one kind of resin selected from a rosin-based resin, a terpene resin, a terpene phenol resin, a phenol resin, a coumarone-indene resin, and a petroleum resin, wherein a mass ratio of the high-consistency material and the composition is within a range of 50:50 to 98:2, and a content of resin is 2 to 20 parts by mass with respect to 100 parts by mass of the total of the high-consistency material and the composition.Type: GrantFiled: December 21, 2016Date of Patent: December 8, 2020Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, ENEOS CORPORATIONInventors: Yutaka Takata, Takehiro Hosokawa, Tatsuya Hase, Naoyuki Oshiumi, Takuya Yamashita, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Takashi Arai, Yuji Shitara, Kazuhiro Yagishita
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Publication number: 20190106652Abstract: A surface protection composition stably protecting a metal surface even at a high temperature, and a terminal-fitted electric wire improved in anticorrosion property by using the composition. The surface protection composition contains a high-consistency material (A) containing a lubricant base oil and an amide compound, and a composition (B) containing a phosphorus compound containing one or more compounds represented by the general formulae (1) and (2) and a metal. The mass ratio (A):(B) of the high-consistency material (A) to the composition (B) is within a range of 50:50 to 98:2. The lubricant base oil has a kinematic viscosity of 10 mm2/s or higher at 100° C.Type: ApplicationFiled: March 8, 2017Publication date: April 11, 2019Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG NIPPON OIL & ENERGY CORPORATIONInventors: Yutaka TAKATA, Takehiro HOSOKAWA, Tatsuya HASE, Naoyuki OSHIUMI, Takuya YAMASHITA, Makoto MIZOGUCHI, Koichi YOSHIDA, Kenichi KOMIYA, Yuji SHITARA, Kazuhiro YAGISHITA
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Publication number: 20190093042Abstract: A surface protection composition which is hard to deform or flow even placed under environments of a large temperature change with an external physical load such as pressure, and which stably protects a metal surface. A terminal fitted electric wire coated with the composition. The surface protection composition contains a high-consistency material (A) containing a lubricant base oil and an amide compound, and a phosphorus composition (B). The phosphorus composition (B) contains a composition (b1) containing one or more compounds represented by the general formulae (1) and (2) and one or more metals and/or one or more amines. The phosphorus composition (B) also contains one or more compounds (b2) represented by the general formula (3).Type: ApplicationFiled: March 8, 2017Publication date: March 28, 2019Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG NIPPON OIL & ENERGY CORPORATIONInventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Kohei KOBAYASHI, Tetsuya NAKAMURA, Tatsuya HASE, Yutaka TAKATA, Makoto MIZOGUCHI, Koichi YOSHIDA, Kenichi KOMIYA, Yuji SHITARA, Kazuhiro YAGISHITA
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Publication number: 20190048283Abstract: An anticorrosive agent stably protecting a metal surface with maintaining an anticorrosion property at a high temperature, and a terminal-fitted electric wire improved in anticorrosion property by using the agent. The anticorrosive agent contains a high-consistency material (A) containing a lubricant base oil and an amide compound, a composition (B) of a phosphorus compound containing one or more compounds represented by the general formulae (1) and (2) and a metal, and an azole (C). The mass ratio (A):(B) of the high-consistency material (A) and the composition (B) is within a range of 50:50 to 98:2. The content of the azole (C) is 0.5 to 20 parts by mass with respect to 100 parts by mass of the total of (A) and (B).Type: ApplicationFiled: September 14, 2016Publication date: February 14, 2019Inventors: Yutaka TAKATA, Takehiro HOSOKAWA, Tatsuya HASE, Naoyuki OSHIUMI, Makoto MIZOGUCHI, Koichi YOSHIDA, Kenichi KOMIYA, Takashi ARAI, Yuji SHITARA, Kazuhiro YAGISHITA
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Patent number: 10196529Abstract: A metal surface coating composition including a high-consistency material containing a lubricant base oil and an amide compound, and a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, wherein the ratio (a/b) of the number of amide groups (a) and the number of acidic groups (b) is within a range of 1.1 to 6.0: where X1 to X7 represent an oxygen atom or a sulfur atom, R11 to R13 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms, and R14 to R16 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms.Type: GrantFiled: May 23, 2016Date of Patent: February 5, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG Nippon Oil & Energy CorporationInventors: Kazuo Nakashima, Takehiro Hosokawa, Tatsuya Hase, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Hideki Nomura, Kazuhiro Goto, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Takashi Arai, Yuji Shitara, Kazuhiro Yagishita
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Patent number: 10174207Abstract: A metal surface coating composition and a terminal-fitted electric wire which is anti-corrosion treated with the composition are provided. The composition includes a high-consistency material containing a lubricant base oil and an amide compound, a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, and a nucleating agent: where X1 to X7 each represent an oxygen atom or a sulfur atom, R11 to R13 each represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, among which at least one is a hydrocarbon group having 1 to 30 carbon atoms, and R14 to R16 each represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms among which at least one is a hydrocarbon group having 1 to 30 carbon atoms.Type: GrantFiled: May 23, 2016Date of Patent: January 8, 2019Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG NIPPON OIL & ENERGY CORPORATIONInventors: Kazuo Nakashima, Takehiro Hosokawa, Tatsuya Hase, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Hideki Nomura, Kazuhiro Goto, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Takashi Arai, Yuji Shitara, Kazuhiro Yagishita
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Publication number: 20180362876Abstract: An anticorrosive agent including: a high-consistency material having a lubricant base oil and an amide compound, a composition of a phosphorus compound comprising one or more compounds represented by the general formulae (1) and (2) and a metal, and at least one kind of resin selected from a rosin-based resin, a terpene resin, a terpene phenol resin, a phenol resin, a coumarone-indene resin, and a petroleum resin, wherein a mass ratio of the high-consistency material and the composition is within a range of 50:50 to 98:2, and a content of resin is 2 to 20 parts by mass with respect to 100 parts by mass of the total of the high-consistency material and the composition.Type: ApplicationFiled: December 21, 2016Publication date: December 20, 2018Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG NIPPON OIL & ENERGY CORPORATIONInventors: Yutaka TAKATA, Takehiro HOSOKAWA, Tatsuya HASE, Naoyuki OSHIUMI, Takuya YAMASHITA, Makoto MIZOGUCHI, Koichi YOSHIDA, Kenichi KOMIYA, Takashi ARAI, Yuji SHITARA, Kazuhiro YAGISHITA
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Publication number: 20180179400Abstract: A metal surface coating composition including a high-consistency material containing a lubricant base oil and an amide compound, and a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, wherein the ratio (a/b) of the number of amide groups (a) and the number of acidic groups (b) is within a range of 1.1 to 6.0: where X1 to X7 represent an oxygen atom or a sulfur atom, R11 to R13 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms, and R14 to R16 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms.Type: ApplicationFiled: May 23, 2016Publication date: June 28, 2018Inventors: Kazuo NAKASHIMA, Takehiro HOSOKAWA, Tatsuya HASE, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Hideki NOMURA, Kazuhiro GOTO, Makoto MIZOGUCHI, Koichi YOSHIDA, Kenichi KOMIYA, Takashi ARAI, Yuji SHITARA, Kazuhiro YAGISHITA
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Publication number: 20180163058Abstract: A metal surface coating composition and a terminal-fitted electric wire which is anti-corrosion treated with the composition are provided. The composition includes a high-consistency material containing a lubricant base oil and an amide compound, a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, and a nucleating agent: where X1 to X7 each represent an oxygen atom or a sulfur atom, R11 to R13 each represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, among which at least one is a hydrocarbon group having 1 to 30 carbon atoms, and R14 to R16 each represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms among which at least one is a hydrocarbon group having 1 to 30 carbon atoms.Type: ApplicationFiled: May 23, 2016Publication date: June 14, 2018Inventors: Kazuo NAKASHIMA, Takehiro HOSOKAWA, Tatsuya HASE, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Hideki NOMURA, Kazuhiro GOTO, Makoto MIZOGUCHI, Koichi YOSHIDA, Kenichi KOMIYA, Takashi ARAI, Yuji SHITARA, Kazuhiro YAGISHITA
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Patent number: 9598659Abstract: The present invention provides a hydraulic oil composition comprising: a lubricating base oil having a kinematic viscosity at 40° C. of 15 to 50 mm2/s; and 1 to 40% by mass, based on a total amount of the hydraulic oil composition, of a polymethacrylate having a number-average molecular weight of 48000 or lower, the hydraulic oil composition having a viscosity index of 150 or higher, and a ratio (A/B) at 60 to 80° C. of (A) a kinematic viscosity (unit: mm2/s) to (B) a shear viscosity (unit: mPa·s, shear condition: 106/s) of 1.3 or lower.Type: GrantFiled: March 25, 2014Date of Patent: March 21, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Kazuhiro Yagishita, Toru Hirano, Tadashi Oshio
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Patent number: 9422501Abstract: The present invention provides a lubricating oil composition having excellent NOx resistance, anti-oxidation properties, base number retainability and detergency, suitably used for an internal combustion engine. The lubricating oil composition comprises a lubricating base oil, (A) a 2,2,6,6-tetraalkylpiperidine derivative and (B) an organic molybdenum compound and/or an organic tungsten compound and preferably further comprises (C) a hindered phenol-type anti-oxidant and/or an aromatic amine-type anti-oxidant or (D) at least one type of compound selected from the group of consisting of phosphorus compounds and metal salts or amine salts. Furthermore, the present invention also provides a method for lubricating a sliding material by contacting a specific lubricating oil composition selected from the above lubricating oil compositions with the sliding material while preventing elution of the copper and lead contained in the material.Type: GrantFiled: June 7, 2013Date of Patent: August 23, 2016Assignee: JX Nippon Oil & Energy CorporationInventor: Kazuhiro Yagishita
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Patent number: 9376645Abstract: The present invention provides a lubricating oil composition for internal combustion engines which can reduce sufficiently the friction under mixed lubricating conditions and is excellent in fuel saving properties. The lubricating oil composition comprises (A) a base oil having a 100° C. kinematic viscosity of 2 to 8 mm2/s and an aromatic content of 10 percent by mass or less, (B) a metallic detergent having a metal ratio of 1.01 to 3.3 overbased with an alkaline earth metal borate, and (C) an organic molybdenum compound with a molybdenum concentration of 0.01 to 0.2 percent by mass on the basis of the total mass of the composition, and having a 100° C. HTHS viscosity of 5.5 mPa·s or lower.Type: GrantFiled: November 13, 2012Date of Patent: June 28, 2016Assignee: JX Nippon Oil & Energy CorporationInventors: Akira Yaguchi, Kazuhiro Yagishita, Koji Hoshino, Shigeki Matsui
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Publication number: 20160115420Abstract: The present invention provides a hydraulic oil composition comprising a lubricating base oil having a kinematic viscosity at 40° C. of 15 to 50 mm2/s, a viscosity index of 125 or lower, and an aromatic content of 1% by mass or higher; and 1 to 40% by mass based on a total amount of the hydraulic oil composition of a polymethacrylate having a number-average molecular weight of 28000 or lower.Type: ApplicationFiled: June 24, 2014Publication date: April 28, 2016Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventor: Kazuhiro YAGISHITA
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Publication number: 20150376541Abstract: The present invention provides a hydraulic oil composition comprising: a lubricating base oil having a kinematic viscosity at 40° C. of 15 to 50 mm2/s; and 1 to 40% by mass, based on a total amount of the hydraulic oil composition, of a polymethacrylate having a number-average molecular weight of 48000 or lower, the hydraulic oil composition having a viscosity index of 150 or higher, and a ratio (A/B) at 60 to 80° C. of (A) a kinematic viscosity (unit: mm2/s) to (B) a shear viscosity (unit: mPa·s, shear condition: 106/s) of 1.3 or lower.Type: ApplicationFiled: March 25, 2014Publication date: December 31, 2015Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Kazuhiro YAGISHITA, Toru HIRANO, Tadashi OSHIO
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Publication number: 20150376542Abstract: The present invention provides a hydraulic oil composition comprising: a lubricating base oil; and 0.2 to 40% by mass, based on a total amount of the hydraulic oil composition, of at least one copolymer selected from olefin copolymers having a number-average molecular weight of 18000 or lower and copolymers of an ?-olefin and a dicarboxylic ester, having a number-average molecular weight of 20000 or lower.Type: ApplicationFiled: March 25, 2014Publication date: December 31, 2015Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Kazuhiro YAGISHITA, Toru HIRANO, Tadashi OSHIO
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Patent number: 9157046Abstract: A lubricating oil composition is provided which is excellent in oxidation stability, base number retention properties, anti-wear properties, extreme pressure properties and anti-corrosion properties and is a low phosphorus and low sulfur lubricating oil composition particularly suitable for internal combustion engines. The composition comprises a lubricating base oil, (A) at least one type selected from the group consisting of metal salts of sulfur-free phosphorus-containing acidic organic compounds, (B) at least one type selected from the group consisting of phosphorus-containing carboxylic acid compounds and metal salts thereof, and (C) at least one type selected from the group consisting of anti-oxidants.Type: GrantFiled: May 21, 2007Date of Patent: October 13, 2015Assignee: NIPPON OIL CORPORATIONInventors: Kazuhiro Yagishita, Tetsuo Okawa
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Publication number: 20150203780Abstract: The present invention provides a lubricating oil composition having excellent NOx resistance, anti-oxidation properties, base number retainability and detergency, suitably used for an internal combustion engine. The lubricating oil composition comprises a lubricating base oil, (A) a 2,2,6,6-tetraalkylpiperidine derivative and (B) an organic molybdenum compound and/or an organic tungsten compound and preferably further comprises (C) a hindered phenol-type anti-oxidant and/or an aromatic amine-type anti-oxidant or (D) at least one type of compound selected from the group of consisting of phosphorus compounds and metal salts or amine salts. Furthermore, the present invention also provides a method for lubricating a sliding material by contacting a specific lubricating oil composition selected from the above lubricating oil compositions with the sliding material while preventing elution of the copper and lead contained in the material.Type: ApplicationFiled: June 7, 2013Publication date: July 23, 2015Inventor: Kazuhiro Yagishita
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Lubricating oil composition for sliding section comprising aluminum material, and lubricating method
Patent number: 9040470Abstract: Provided are a lubricant composition capable of reducing friction between sliding parts at least one of which contains an aluminum-based material in a lubrication section, and a method for lubricating an aluminum-based member with the composition. The lubricant composition is for use in a lubrication section having sliding parts at least one of which contains an aluminum-based material, and contains a lubricant base oil and at least one of a phosphorus-containing carboxylic compound and a metal salt thereof (component (A)) at 0.001 to 1 mass % of the composition in terms of phosphorus. The composition may suitably be used as lubricant such as drive train lubricant for automatic or manual transmissions, grease, wet brake oil, hydraulic actuation oil, turbine oil, compressor oil, bearing oil, refrigerant oil, and the like used in apparatus having the sliding parts.Type: GrantFiled: July 26, 2011Date of Patent: May 26, 2015Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventor: Kazuhiro Yagishita -
Publication number: 20150005208Abstract: The present invention provides a lubricating oil composition for internal combustion engines which can reduce sufficiently the friction under mixed lubricating conditions and is excellent in fuel saving properties. The lubricating oil composition comprises (A) a base oil having a 100° C. kinematic viscosity of 2 to 8 mm2/s and an aromatic content of 10 percent by mass or less, (B) a metallic detergent having a metal ratio of 1.01 to 3.3 overbased with an alkaline earth metal borate, and (C) an organic molybdenum compound with a molybdenum concentration of 0.01 to 0.2 percent by mass on the basis of the total mass of the composition, and having a 100° C. HTHS viscosity of 5.5 mPa·s or lower.Type: ApplicationFiled: November 13, 2012Publication date: January 1, 2015Inventors: Akira Yaguchi, Kazuhiro Yagishita, Koji Hoshino, Shigeki Matsui