Patents by Inventor Eiji Katsuno
Eiji Katsuno 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: 12006485Abstract: The present invention provides a lubricating oil additive, including: a molybdenum compound (A) represented by the following general formula (1); and a sulfur-based composition (B) containing a sulfur-based compound (b-1) represented by the following general formula (2) and at least one kind of sulfur-based compound (b-2) represented by the following general formula (3) or (4), and a lubricating oil composition containing the additive. In the formula (1), R1 to R4 each represent alkyl groups having 6 to 18 carbon atoms, the groups being identical to or different from each other, and X1 to X4 each independently represent an oxygen atom or a sulfur atom. In the formula (2), R5 and R6 each represent alkyl groups having 3 to 24 carbon atoms, the groups being identical to or different from each other, and “a” and “b” each represent a number from 1 to 5.Type: GrantFiled: July 14, 2020Date of Patent: June 11, 2024Assignees: ADEKA CORPORATION, DIC CORPORATIONInventors: Shinji Iino, Eiji Katsuno, Taro Sumi, Hironobu Matsueda, Hiroshi Sakata
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Patent number: 11773342Abstract: The present invention provides a lubricating oil additive, including: a molybdenum compound (A) represented by the following general formula (1); and a sulfur-based composition (B) containing a sulfur-based compound (b-1) represented by the following general formula (2) and at least one kind of sulfur-based compound (b-2) represented by the following general formula (3) or (4), and a lubricating oil composition containing the additive. In the formula (1), R1 to R4 each represent alkyl groups having 6 to 18 carbon atoms, the groups being identical to or different from each other, and X1 to X4 each independently represent an oxygen atom or a sulfur atom. In the formula (2), R5 represents an alkyl group having 1 to 22 carbon atoms, R6 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, R7 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, and “a” represents a number from 1 to 10.Type: GrantFiled: July 14, 2020Date of Patent: October 3, 2023Assignees: ADEKA CORPORATION, DIC CORPORATIONInventors: Shinji Iino, Akihiro Kotaka, Eiji Katsuno, Hironobu Matsueda, Hiroshi Sakata
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Publication number: 20220259515Abstract: The present invention provides a lubricating oil additive, including: a molybdenum compound (A) represented by the following general formula (1); and a sulfur-based composition (B) containing a sulfur-based compound (b-1) represented by the following general formula (2) and at least one kind of sulfur-based compound (b-2) represented by the following general formula (3) or (4), and a lubricating oil composition containing the additive. In the formula (1), R1 to R4 each represent alkyl groups having 6 to 18 carbon atoms, the groups being identical to or different from each other, and X1 to X4 each independently represent an oxygen atom or a sulfur atom. In the formula (2), R5 and R6 each represent alkyl groups having 3 to 24 carbon atoms, the groups being identical to or different from each other, and “a” and “b” each represent a number from 1 to 5.Type: ApplicationFiled: July 14, 2020Publication date: August 18, 2022Applicants: ADEKA CORPORATION, DIC CORPORATIONInventors: Shinji IINO, Eiji KATSUNO, Taro SUMI, Hironobu MATSUEDA, Hiroshi SAKATA
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Publication number: 20220251466Abstract: The present invention provides a lubricating oil additive, including: a molybdenum compound (A) represented by the following general formula (1); and a sulfur-based composition (B) containing a sulfur-based compound (b-1) represented by the following general formula (2) and at least one kind of sulfur-based compound (b-2) represented by the following general formula (3) or (4), and a lubricating oil composition containing the additive. In the formula (1), R1 to R4 each represent alkyl groups having 6 to 18 carbon atoms, the groups being identical to or different from each other, and X1 to X4 each independently represent an oxygen atom or a sulfur atom. In the formula (2), R5 represents an alkyl group having 1 to 22 carbon atoms, R6 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, R7 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, and “a” represents a number from 1 to 10.Type: ApplicationFiled: July 14, 2020Publication date: August 11, 2022Applicants: ADEKA CORPORATION, DIC CORPORATIONInventors: Shinji IINO, Akihiro KOTAKA, Eiji KATSUNO, Hironobu MATSUEDA, Hiroshi SAKATA
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Publication number: 20220195321Abstract: The present invention provides a fuel oil composition, including: a fuel oil base oil having a sulfur element content of from 0.01 mass % to 0.50 mass %; and a calcium salicylate having a total base number of from 100 mgKOH/g to 1,200 mgKOH/g.Type: ApplicationFiled: March 23, 2020Publication date: June 23, 2022Applicant: ADEKA CORPORATIONInventors: Keiichi ODAGIRI, Taro SUMI, Eiji KATSUNO, Ryou HANAMURA
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Patent number: 11248187Abstract: A lubricating composition including: a base oil, a lubricant additive composition including, as a component (A), an organic molybdenum compound of the formula (1) described in the specification, and as a component (B), an amine compound of the formula (2) described in the specification, and a specific metal-based cleaner, wherein a content of the component (B) is 2.9 to 18.6 parts by mass relative to 100 parts by mass of molybdenum atoms of the component (A), and a content of the metal-based cleaner is 0.1% to 10% by mass relative to a total amount of the lubricating composition, wherein the lubricating composition does not include tetraalkyl thiuram disulphide, and wherein the component (A) in terms of the amount of molybdenum atoms is 400 to 1200 ppm by mass relative to a total amount of the lubricating composition.Type: GrantFiled: March 24, 2021Date of Patent: February 15, 2022Assignee: ADEKA CORPORATIONInventors: Shinji Iino, Eiji Katsuno, Taro Sumi
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Publication number: 20210253973Abstract: A lubricating composition including: a base oil, a lubricant additive composition including, as a component (A), an organic molybdenum compound of the formula (1) described in the specification, and as a component (B), an amine compound of the formula (2) described in the specification, and a specific metal-based cleaner, wherein a content of the component (B) is 2.9 to 18.6 parts by mass relative to 100 parts by mass of molybdenum atoms of the component (A), and a content of the metal-based cleaner is 0.1% to 10% by mass relative to a total amount of the lubricating composition, wherein the lubricating composition does not include tetraalkyl thiuram disulphide, and wherein the component (A) in terms of the amount of molybdenum atoms is 400 to 1200 ppm by mass relative to a total amount of the lubricating composition.Type: ApplicationFiled: March 24, 2021Publication date: August 19, 2021Applicant: ADEKA CORPORATIONInventors: Shinji IINO, Eiji KATSUNO, Taro SUMI
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Patent number: 10920167Abstract: A lubricant composition including a binuclear molybdenum compound (A) and a trinuclear molybdenum compound (B), wherein these compounds are included in a range represented by (molybdenum of the binuclear molybdenum compound (A)):(molybdenum of the trinuclear molybdenum compound (B))=99.98:0.02 to 95:5 as a mass ratio.Type: GrantFiled: June 26, 2017Date of Patent: February 16, 2021Assignee: ADEKA CORPORATIONInventors: Eiji Katsuno, Taro Sumi
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Publication number: 20190264125Abstract: A lubricant additive composition including, as a component (A), an organic molybdenum compound represented by general formula (1) described in the specification, and as a component (B), an amine compound represented by general formula (2) described in the specification, wherein content of the component (B) is 1 to 20 parts by mass relative to 100 parts by mass of molybdenum atoms of the component (A), and a lubricating composition containing same.Type: ApplicationFiled: June 27, 2017Publication date: August 29, 2019Applicant: ADEKA CORPORATIONInventors: Shinji IINO, Eiji KATSUNO, Taro SUMI
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Publication number: 20190169527Abstract: A lubricant composition including a binuclear molybdenum compound (A) and a trinuclear molybdenum compound (B), wherein these compounds are included in a range represented by (molybdenum of the binuclear molybdenum compound (A)):(molybdenum of the trinuclear molybdenum compound (B))=99.98:0.02 to 95:5 as a mass ratio.Type: ApplicationFiled: June 26, 2017Publication date: June 6, 2019Applicant: ADEKA CORPORATIONInventors: Eiji KATSUNO, Taro SUMI
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Patent number: 9583280Abstract: An electricity storage device maintains low internal resistance and high electric capacity. The nonaqueous-electrolytic-solution hybrid electricity storage device employs an anode into/from which lithium can be intercalated and deintercalated and a cathode including activated carbon, even after high-temperature storage and/or high-temperature charging/discharging. Specifically, this electricity storage device includes an anode into/from which lithium can be intercalated and deintercalated, a cathode that includes activated carbon, and a nonaqueous electrolytic solution, wherein the electricity storage device employs a nonaqueous electrolytic solution that includes at least one type of compound represented by one of general formulas (1) to (5). Details on the general formulas (1) to (5) are as described in the Description.Type: GrantFiled: July 12, 2013Date of Patent: February 28, 2017Assignee: ADEKA CORPORATIONInventors: Takayuki Taki, Hiroaki Watanabe, Atsuki Shibuya, Akiko Tasaki, Eiji Katsuno
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Patent number: 9337511Abstract: Disclosed is a nonaqueous secondary battery using a positive electrode containing a transition metal and lithium. The battery is prevented from deterioration due to elution of the transition metal from the positive electrode and thereby capable of maintaining small internal resistance and high electrical capacity even after high temperature storage or high-temperature charge and discharge cycles. The battery includes a negative electrode capable of intercalating and deintercalating lithium, a positive electrode containing a transition metal and lithium, and a nonaqueous electrolyte having a lithium salt dissolved in an organic solvent, the nonaqueous electrolyte containing a polycarboxylic ester compound represented by general formula (1) or (2).Type: GrantFiled: October 31, 2012Date of Patent: May 10, 2016Assignee: ADEKA CORPORATIONInventors: Takayuki Taki, Hiroaki Watanabe, Atsuki Shibuya, Akiko Tasaki, Eiji Katsuno
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Publication number: 20150206664Abstract: An electricity storage device maintains low internal resistance and high electric capacity. The nonaqueous-electrolytic-solution hybrid electricity storage device employs an anode into/from which lithium can be intercalated and deintercalated and a cathode including activated carbon, even after high-temperature storage and/or high-temperature charging/discharging. Specifically, this electricity storage device includes an anode into/from which lithium can be intercalated and deintercalated, a cathode that includes activated carbon, and a nonaqueous electrolytic solution, wherein the electricity storage device employs a nonaqueous electrolytic solution that includes at least one type of compound represented by one of general formulas (1) to (5). Details on the general formulas (1) to (5) are as described in the Description.Type: ApplicationFiled: July 12, 2013Publication date: July 23, 2015Applicant: ADEKA CORPORATIONInventors: Takayuki Taki, Hiroaki Watanabe, Atsuki Shibuya, Akiko Tasaki, Eiji Katsuno
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Publication number: 20150044551Abstract: Disclosed is a nonaqueous secondary battery using a positive electrode containing a transition metal and lithium. The battery is prevented from deterioration due to elution of the transition metal from the positive electrode and thereby capable of maintaining small internal resistance and high electrical capacity even after high temperature storage or high-temperature charge and discharge cycles. The battery includes a negative electrode capable of intercalating and deintercalating lithium, a positive electrode containing a transition metal and lithium, and a nonaqueous electrolyte having a lithium salt dissolved in an organic solvent, the nonaqueous electrolyte containing a polycarboxylic ester compound represented by general formula (1) or (2).Type: ApplicationFiled: October 31, 2012Publication date: February 12, 2015Inventors: Takayuki Taki, Hiroaki Watanabe, Atsuki Shibuya, Akiko Tasaki, Eiji Katsuno