Patents Assigned to Idemitsu Kosan Co., Ltd.
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Patent number: 11978848Abstract: The invention is to provide a novel method for producing a solid electrolyte having a high ionic conductivity according to a liquid-phase method. The production method for a solid electrolyte includes mixing a raw material inclusion containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom with a complexing agent and a solvent, wherein the amount of the complexing agent is 0.1 mL or more and 4.0 mL or less relative to 1 g of the total mass of the raw material inclusion.Type: GrantFiled: May 26, 2021Date of Patent: May 7, 2024Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shinji Tanaka, Fumio Yamakawa
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Publication number: 20240147846Abstract: An organic electroluminescent element including, an anode, a cathode, and an organic layer disposed between the anode and the cathode and including a light emitting zone. The organic layer includes a first layer containing a first compound and a second layer containing a second compound. The first layer and the second layer are different layers.Type: ApplicationFiled: December 8, 2021Publication date: May 2, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Shota TANAKA, Shintaro BAN, Satomi TASAKI, Hiroaki ITOI, Tasuku HAKETA, Yuki NAKANO
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Publication number: 20240140904Abstract: A compound represented by the following formula (1): One of R1 and R2 is a methyl group, and the other is an unsubstituted phenyl group, and R1 and R2 are not bonded to each other and therefore do not form a ring structure. One of R3 and R4 is a methyl group, and the other is an unsubstituted phenyl group, and R3 and R4 are not bonded to each other and therefore do not form a ring structure. R11 to R18, and R21 to R28 are hydrogen atoms, provided that, one selected from R11 to R18 is a single bond bonded to *a, and one selected from R21 to R28 is a single bond bonded to *b. L1 and L2 are each independently a single bond, or a substituted or unsubstituted phenylene group.Type: ApplicationFiled: March 30, 2022Publication date: May 2, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Tasuku HAKETA, Shota TANAKA, Yusuke TAKAHASHI, Takuto FUKAMI, Tsukasa SAWATO
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Publication number: 20240141249Abstract: A lubricating oil composition may be used for lubrication of a shock absorber. The composition may include a base oil (A), a zinc dithiophosphate (B), and an alkenylsuccinic imide (C). The lubricating oil composition can be more preferably applied to lubrication of a shock absorber. Based on the total lubricating oil composition mass, a content of the component (C) in terms of nitrogen atoms is in a range of from 0.001 to 0.09 mass %, and/or a content of the component (B) in terms of zinc atoms is in a range of from 0.005 to 1.0 mass %.Type: ApplicationFiled: July 2, 2021Publication date: May 2, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventor: Kenji KOBAYASHI
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Patent number: 11973158Abstract: A photoelectric conversion element having a photoelectric conversion layer formed between a first electrode layer and a second electrode layer, in which the photoelectric conversion layer contains Cu and Ag, which are Group I elements, In and Ga, which are Group III elements, and Se and S, which are Group VI elements. A portion at which a minimum value of a band gap appears in a thickness direction of the photoelectric conversion layer is included in the intermediate region. When a ratio of a mole amount of Ag to a sum of mole amounts of the Group I elements other than Ag, the Group III elements, and the Group VI elements is defined as an Ag concentration, a portion at which a maximum value of the Ag concentration appears in the thickness direction of the photoelectric conversion layer is included in the intermediate region.Type: GrantFiled: December 12, 2019Date of Patent: April 30, 2024Assignee: IDEMITSU KOSAN CO.,LTD.Inventors: Hiroshi Tomita, Hiroki Sugimoto
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Patent number: 11973185Abstract: Provided is a method for producing a sulfide solid electrolyte having a high purity as side reaction hardly occurs, and having a high ionic conductivity, in a simplified manner. The method is for producing a sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, comprising separately preparing a complex (1) containing a sulfide that contains a lithium atom, a sulfur atom and a phosphorus atom, as a constituent element, and a complex (2) containing a halide that contains a lithium atom and a halogen atom, as a constituent element, and mixing the complex (1) and the complex (2).Type: GrantFiled: May 6, 2021Date of Patent: April 30, 2024Assignee: Idemitsu Kosan Co., Ltd.Inventors: Naoya Masuda, Atsushi Yao, Akito Takashima, Takehiro Fujita, Yusuke Iseki
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Publication number: 20240138254Abstract: An organic electroluminescence device containing a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer contains an emitting layer, a first layer, and a second layer, the first layer is disposed between the anode and the emitting layer, the second layer is disposed between the anode and the first layer, the first layer contains a first hole-transporting material and a second hole-transporting material, and the second layer contains an acceptor material having an affinity value in the range of 3.8 to 6.0 eV and at least one hole-transporting material.Type: ApplicationFiled: September 28, 2020Publication date: April 25, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Tasuku HAKETA, Kazuki NISHIMURA
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Patent number: 11965142Abstract: A lubricating oil composition containing a base oil, an organic molybdenum compound, and a metallic detergent, wherein the metallic detergent contains calcium sulfonate, and the content of the calcium sulfonate in terms of calcium atoms is 0.12% by mass or more based on the mass of the composition, the content ratio of molybdenum atoms derived from the organic molybdenum compound to soap groups derived from the metallic detergent based on the lubricating oil composition, [Mo/soap groups], is 0.02 or more at a mass ratio, and the HTHS viscosity at 150° C. is 1.3 mPa·s or more and less than 2.3 mPa·s. The lubricating oil composition has low viscosity and excellent lubricity.Type: GrantFiled: March 25, 2020Date of Patent: April 23, 2024Assignee: Idemitsu Kosan Co., Ltd.Inventor: Shoichiro Fujita
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Patent number: 11968894Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a compound represented by a formula (1) below. The second compound has a larger singlet energy than a singlet energy of the first compound. The third compound is a fluorescent compound.Type: GrantFiled: December 11, 2020Date of Patent: April 23, 2024Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Toshinari Ogiwara, Kei Yoshida, Satomi Tasaki
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Publication number: 20240130223Abstract: An organic EL device includes: an emitting layer including a first emitting layer and a second emitting layer; and a hole transporting zone including at least two organic compound layers, in which a first organic compound layer of the hole transporting zone includes a first organic material and a second organic material that are mutually different, a content of the first organic material in the first organic compound layer is less than 10 mass %, the first emitting layer includes a first host material and a first emitting compound, the second emitting layer includes a second host material and a second emitting compound, and a triplet energy of the first host material T1(H1) and a triplet energy of the second host material T1(H2) satisfy a relationship of Numerical Formula 1, T1(H1)>T1(H2)??(Numerical Formula 1).Type: ApplicationFiled: December 24, 2021Publication date: April 18, 2024Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Hiroaki TOYOSHIMA, Kazuki NISHIMURA, Emiko KAMBE, Masato NAKAMURA, Tetsuya MASUDA, Yusuke TAKAHASHI
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Publication number: 20240130224Abstract: An organic electroluminescence device includes an emitting region between a cathode and an anode, a first anode side organic layer, and a second anode side organic layer. The emitting region includes at least a first emitting layer, the first anode side organic layer is in direct contact with the second anode side organic layer, the first anode side organic layer contains first and second organic materials, a content of the first organic material in the first anode side organic layer is less than 50 mass %, the second anode side organic layer contains a second hole transporting zone material, the first emitting layer is an emitting layer that emits fluorescence, and a refractive index NM1 of the constituent materials contained in the first anode side organic layer and a refractive index NM2 of the constituent material contained in the second anode side organic layer satisfy a relationship of NM1>NM2.Type: ApplicationFiled: December 24, 2021Publication date: April 18, 2024Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Hiroaki TOYOSHIMA, Kazuki NISHIMURA, Tetsuya MASUDA, Satomi TASAKI, Masato NAKAMURA, Hiroaki ITOI, Emiko KAMBE, Yusuke TAKAHASHI, Keitaro YAMADA, Takeshi IKEDA, Tasuku HAKETA
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Publication number: 20240124638Abstract: A polymer composition contains a comb-shaped polymer (X) containing the following structural units (a) to (c): (a): a structural unit derived from a short-chain alkyl (meth)acrylate (A) having a short-chain alkyl group having 1 to 5 carbon atoms; (b): a structural unit derived from a long-chain alkyl (meth)acrylate (B) having a long-chain alkyl group having 6 to 32 carbon atoms; and (c): a structural unit derived from a macromonomer (C), a content of the structural unit (a) being 70% by mass or more based on the total structural units of the comb-shaped polymer (X); and a hetero atom-containing base oil (Y). The hetero atom-containing base oil (Y) has a kinematic viscosity at 40° C. of 25 mm2/s or less.Type: ApplicationFiled: February 24, 2022Publication date: April 18, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Yoriyuki TAKASHIMA, Taeko NAKANO, Shota KATO
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Publication number: 20240130146Abstract: An organic electroluminescence device includes: a first emitting layer disposed between an anode and a cathode; and a second emitting layer disposed between the first emitting layer and the cathode. The first emitting layer contains a first host material and a first emitting compound, and the second emitting layer contains a second host material and a second emitting compound. A triplet energy of the first host material T1(H1) and a triplet energy of the second host material T1(H2) satisfy the relationship of a Numerical Formula 1 (T1(H1)<T1(H2)), and a lowest unoccupied molecular orbital energy level of the second host material LUMO(H2) and a lowest unoccupied molecular orbital energy level of the second emitting compound LUMO(D2) satisfy the relationship of a Numerical Formula 2 (|LUMO(D2)|?|LUMO(H2)|<0.74 eV).Type: ApplicationFiled: December 24, 2021Publication date: April 18, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Hiroaki TOYOSHIMA, Kazuki NISHIMURA, Yuichiro KAWAMURA
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Publication number: 20240124407Abstract: A compound represented by the following general formula (B1). Further disclosed is a corrosion inhibitor (B) containing one or more selected from the compound represented by the following formula (B1). Further disclosed is a lubricant composition containing an ionic liquid (A) and the corrosion inhibitor (B). The compound and the corrosion inhibitor are excellent in stability in any of a high vacuum, a low-temperature environment, a high-temperature environment, and an ordinary temperature-ordinary pressure environment, and the lubricant composition containing the corrosion inhibitor is excellent in metal corrosion resistance, solubility, and low evaporability. In the general formula (B1), M is an alkali metal and RB11 is an alkylene group having 1 to 19 carbon atoms.Type: ApplicationFiled: December 24, 2021Publication date: April 18, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Yukio YOSHIDA, Yusuke NAKANISHI, Hideaki HATTORI
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Publication number: 20240122063Abstract: A composition including a compound represented by the formula (A1) (XA1 is O or S, ZA1 is a single bond or C) and a compound represented by the formula (B1) (XB1 is O, S, N, C) (provided that the compound represented by the formula (A1) and the compound represented by the formula (B1) are different compounds).Type: ApplicationFiled: January 25, 2022Publication date: April 11, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Tetsuya MASUDA, Hiroaki ITOI
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Publication number: 20240114786Abstract: An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the anode and the emitting layer, the emitting layer comprises a compound A having a Stokes shift of 20 nm or smaller and an emission peak wavelength of 440 nm to 465 nm, and the first layer comprises a first hole-transporting material and a second hole-transporting material.Type: ApplicationFiled: September 28, 2020Publication date: April 4, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Tasuku HAKETA, Kazuki NISHIMURA
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Publication number: 20240114780Abstract: An emitting layer of an organic EL device contains a fluorescent first compound, a delayed fluorescent second compound, and a third compound that satisfy numerical formulae (Numerical Formula 1) to (Numerical Formula 4). (Numerical Formula 1): |Af(M1)?Af(M2)|?0.40 eV, (Numerical Formula 2): Ip(M2)?5.75 eV, (Numerical Formula 3): |Ip(M2)?Ip(M3)|?0.25 eV, (Numerical Formula 4): S1(M3)?S1(M2). Af(M1) is an affinity of the first compound, Af(M2) is an affinity of the second compound, Ip(M2) is an ionization potential of the second compound, S1(M2) is a lowest singlet energy of the second compound, Ip(M3) is an ionization potential of the third compound, and S1(M3) is a lowest singlet energy of the third compound.Type: ApplicationFiled: June 1, 2023Publication date: April 4, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Yukitoshi JINDE, Hisato MATSUMOTO, Keiichi YASUKAWA
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Publication number: 20240110121Abstract: A lubricating oil composition containing a base oil (A), a molybdenum-based friction modifier (B), a metal-based detergent (C), and a dispersant (D), in which the dispersant (D) contains a non-boron-modified polyisobutenyl succinic bisimide (D1). The IR spectrum of the non-boron-modified polyisobutenyl succinic bisimide (D1) is determined by an FT-IR method, having a ratio [Abs (1705 cm?1)/Abs (1390 cm?1)] of a peak intensity Abs (1705 cm?1) at 1705 cm?1 to a peak intensity Abs (1390 cm?1) at 1390 cm?1 is 7.5 or less. A content of the non-boron-modified polyisobutenyl succinic bisimide (D1) is 50 mass % or more based on a total amount of the dispersant (D), and contains a kinematic viscosity at 100° C. is 9.3 mm2/s or less. The lubricating oil composition has an excellent effect of reducing a friction coefficient while containing a molybdenum-based friction modifier and a succinimide compound.Type: ApplicationFiled: February 4, 2022Publication date: April 4, 2024Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Kenji SUNAHARA, Jun YAMASHITA, Masaya KUBOTA, Shoichiro FUJITA
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Patent number: 11945908Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer (A), including: a polycarbonate block (A-1) formed of a repeating unit having a specific structure; and a polyorganosiloxane block (A-2) containing a repeating unit having a specific structure, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) in the polycarbonate-polyorganosiloxane copolymer (A) is from more than 40 mass % to 70 mass % or less; (2) the polycarbonate-polyorganosiloxane copolymer has a viscosity-average molecular weight of from 10,000 or more to 23,000 or less; and (3) the polycarbonate-polyorganosiloxane copolymer includes a specific polycarbonate block as the polycarbonate block (A-1).Type: GrantFiled: December 27, 2018Date of Patent: April 2, 2024Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kazushige Ideta, Hirotoshi Ishii, Yasuhiro Ishikawa
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Patent number: 11950498Abstract: This compound is represented by formula (1)Type: GrantFiled: June 22, 2018Date of Patent: April 2, 2024Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Ryota Takahashi, Keita Seda, Yuki Nakano