Patents by Inventor Yuuji Tanaka
Yuuji Tanaka 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: 20180198083Abstract: A photoelectric conversion element is provided. The photoelectric conversion element comprises a substrate, a first electrode, an electron transport layer, a hole transport layer, and a second electrode. The electron transport layer comprises a photosensitizing compound. The hole transport layer comprises a basic compound A and an ionic compound B. The basic compound A is represented by the following formula (1): where each of R1 and R2 independently represents an alkyl group or an aromatic hydrocarbon group, or R1 and R2 share bond connectivity to form a nitrogen-containing heterocyclic ring; and the ionic compound B is represented by the following formula (2): where X+ represents a counter cation.Type: ApplicationFiled: January 2, 2018Publication date: July 12, 2018Inventors: Yuuji TANAKA, Tsuyoshi MATSUYAMA, Tamotsu HORIUCHI, Takahiro IDE, Tokushige KINO, Shigeyo SUZUKI, Naomichi KANEI
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Publication number: 20180197688Abstract: A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of X1 and X2 independently represents oxygen atom, sulfur atom, or selenium atom; R1 represents methine group; R2 represents an alkyl group, an aryl group, or a heterocyclic group; each of R3 independently represents an acidic group; m represents an integer of 1 or 2; and each of Z1 and Z2 independently represents a group forming a cyclic structure; R5—R4—COOH??Formula (2) where R4 represents an aryl group or a heterocyclic group; and R5 represents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.Type: ApplicationFiled: January 10, 2018Publication date: July 12, 2018Inventors: Tamotsu HORIUCHI, Yuuji TANAKA, Tsuyoshi MATSUYAMA, Takahiro IDE, Tokushige KINO, Shigeyo SUZUKI, Naomichi KANEI
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Publication number: 20180053863Abstract: Provided is a photoelectric conversion element including: a first electrode having opaqueness to light and formed of a metal; a hole blocking layer provided on the first electrode; an electron transport layer provided on the hole blocking layer; a hole transport layer provided on the electron transport layer; and a second electrode provided on the hole transport layer and having transmissivity to light, wherein the hole blocking layer contains an oxide of the metal in the first electrode.Type: ApplicationFiled: October 12, 2017Publication date: February 22, 2018Inventors: Yuuji TANAKA, Shigeyo SUZUKI, Naomichi KANEI
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Publication number: 20170358399Abstract: A tertiary amine compound is provided. The tertiary amine compound is represented by the following general formula (1): where each of Ar1 and Ar2 independently represents a benzene ring having an alkyl group or an alkoxy group, an unsubstituted benzene ring, a naphthalene ring having an alkyl group or an alkoxy group, or an unsubstituted naphthalene ring.Type: ApplicationFiled: June 8, 2017Publication date: December 14, 2017Applicant: RICOH COMPANY, LTD.Inventors: Tsuyoshi MATSUYAMA, Yuuji TANAKA, Ryota ARAI, Tokushige KINO, Naomichi KANEI, Tamotsu HORIUCHI
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Publication number: 20170243698Abstract: A photoelectric conversion element including a first substrate, a first electrode on the first substrate, a photoelectric conversion layer on the first electrode, a second electrode on the photoelectric conversion layer, a second substrate on the second electrode, and a sealing member disposed between the first electrode and the second substrate and configured to seal at least the photoelectric conversion layer, the first electrode including a through section, the sealing member being in contact with the first substrate through the through section.Type: ApplicationFiled: February 21, 2017Publication date: August 24, 2017Applicant: RICOH COMPANY, LTD.Inventors: Naomichi KANEI, Yuuji TANAKA, Ryota ARAI, Tsuyoshi MATSUYAMA, Tokushige KINO
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Publication number: 20170222150Abstract: A photoelectric conversion element is provided. The photoelectric conversion element includes a conductive film, an electron transport layer overlying the conductive film, a photoelectric conversion layer overlying the electron transport layer, a hole transport layer overlying the photoelectric conversion layer, and an electrode. The photoelectric conversion layer includes a first material and a second material, each having specific chemical formulae.Type: ApplicationFiled: January 24, 2017Publication date: August 3, 2017Applicant: RICOH COMPANY, LTD.Inventors: Ryota ARAI, Yuuji TANAKA, Tsuyoshi MATSUYAMA, Tokushige KINO, Naomichi KANEI
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Patent number: 9640330Abstract: A photoelectric conversion element, including: an electron transporting material; and a porphyrin compound represented by General Formula (1) or (2), wherein the electron transporting material is coated with the porphyrin compound: where R1 and R2 each independently denote an aromatic hydrocarbon group which has 6-20 carbon atoms and may have an alkyl or alkoxy group as substituent, R1 and R2 may be bonded to form ring structure A1, X denotes a monovalent group expressed by Structural Formula (I), (II) or (III), and Y denotes a phenyl group which may have an alkyl or alkoxy group as a substituent, where R denotes an aromatic hydrocarbon group which has 6-20 carbon atoms and may have an alkyl or alkoxy group as substituent, X denotes a monovalent group expressed by Structural Formula (I), (II) or (III), and Y denotes a phenyl group which may have an alkyl or alkoxy group as substituent,Type: GrantFiled: June 5, 2014Date of Patent: May 2, 2017Assignee: RICOH COMPANY, LTD.Inventors: Yuuji Tanaka, Tamotsu Horiuchi
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Publication number: 20170092433Abstract: Provided is a photoelectric conversion element including: a first electrode; a hole blocking layer; an electron transport layer; a hole transport layer; and a second electrode, wherein the hole blocking layer includes a metal oxide including a titanium atom and a niobium atom.Type: ApplicationFiled: April 16, 2015Publication date: March 30, 2017Applicant: RICOH COMPANY, LTD.Inventors: Naomichi KANEI, Yuuji TANAKA, Ryota ARAI, Tamotsu HORIUCHI
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Publication number: 20170069431Abstract: Provided is a photoelectric conversion element including a first electrode, a hole blocking layer, an electron transport layer, a first hole transport layer, and a second electrode, wherein the first hole transport layer includes at least one of basic compounds represented by general formula (1a) and general formula (1b) below: where in the formula (1a) or (1b), R1 and R2 represent a substituted or unsubstituted alkyl group or aromatic hydrocarbon group and may be identical or different, and R1 and R2 may bind with each other to form a substituted or unsubstituted heterocyclic group containing a nitrogen atom.Type: ApplicationFiled: January 30, 2015Publication date: March 9, 2017Applicant: Ricoh Company, Ltd.Inventors: Yuuji TANAKA, Tamotsu HORIUCHI, Naomichi KANEI
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Patent number: 9378899Abstract: A photoelectric conversion element is provided. The photoelectric conversion element includes a first electrode and a second electrode. The first electrode is covered with an electron transport layer. The electron transport layer is covered with a material represented by the following formula (1): wherein R represents a straight-chain or branched-chain alkyl group, each of X1 and X2 independently represents a substituted or unsubstituted aromatic group, each of Y1 and Y2 independently represents an acidic group or hydrogen atom but at least one of Y1 and Y2 represents an acidic group, and n represents an integer of from 1 to 3. The second electrode is facing the electron transport layer.Type: GrantFiled: September 4, 2014Date of Patent: June 28, 2016Assignee: RICOH COMPANY, LTD.Inventors: Ryota Arai, Yuuji Tanaka, Tamotsu Horiuchi
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Patent number: 9373450Abstract: A photoelectric conversion element is provided. The photoelectric conversion element includes a first electrode and a second electrode. The first electrode is covered with an electron transport layer. The electron transport layer is covered with a material represented by the following formula (1): wherein each of R1 and R2 independently represents a straight-chain or branched-chain alkyl group, Ar represents a substituted or unsubstituted aryl group, each of X1 and X2 independently represents a substituted or unsubstituted aryl group or a substituted or unsubstituted saturated hydrocarbon group, n represents an integer of from 1 to 3, and Ar may share bond connectivity with X1 or X2 to form a ring. The second electrode is facing the electron transport layer.Type: GrantFiled: September 17, 2014Date of Patent: June 21, 2016Assignee: RICOH COMPANY, LTD.Inventors: Ryota Arai, Yuuji Tanaka, Tamotsu Horiuchi
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Publication number: 20160126021Abstract: A photoelectric conversion element, including: an electron transporting material; and a porphyrin compound represented by General Formula (1) or (2), wherein the electron transporting material is coated with the porphyrin compound: where R1 and R2 each independently denote an aromatic hydrocarbon group which has 6-20 carbon atoms and may have an alkyl or alkoxy group as substituent, R1 and R2 may be bonded to form ring structure A1, X denotes a monovalent group expressed by Structural Formula (I), (II) or (III), and Y denotes a phenyl group which may have an alkyl or alkoxy group as a substituent, where R denotes an aromatic hydrocarbon group which has 6-20 carbon atoms and may have an alkyl or alkoxy group as substituent, X denotes a monovalent group expressed by Structural Formula (I), (II) or (III), and Y denotes a phenyl group which may have an alkyl or alkoxy group as substituent,Type: ApplicationFiled: June 5, 2014Publication date: May 5, 2016Applicant: RICOH COMPANY, LTD.Inventors: Yuuji TANAKA, Tamotsu HORIUCHI
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Patent number: 9318270Abstract: An perovskite solar cell including a substrate; a first electrode provided on the substrate; an electron transport layer, including an electron transporting compound, provided on the first electrode; a perovskite compound layer, including a perovskite compound, provided on the electron transport layer; a hole transport layer, including a hole transport compound, provided on the perovskite compound layer; and a second electrode provided on the hole transport layer. The perovskite compound can be expressed by the general formula X?Y?M?, where X is a halogen atom, Y is an alkylamine compound, M includes a mixture of lead and antimony, and a ratio of ?:?:? is 3:1:1.Type: GrantFiled: March 25, 2015Date of Patent: April 19, 2016Assignee: RICOH COMPANY, LTD.Inventors: Tamotsu Horiuchi, Tohru Yashiro, Yuuji Tanaka
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Patent number: 9201319Abstract: An image bearing member includes a substrate, and a photosensitive layer overlying the substrate, wherein an uppermost surface layer of the image bearing member has a hydrocarbon compound represented by the following Chemical Formula 1; and a three-dimensionally cross-linked polymer formed by polymerization reaction of a charge transport compound having three or more [tetrahydro-2H-pyran-2-yl)oxy]methyl groups linked with aromatic rings, wherein, in the polymerization reaction, part of the three or more [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups is severed and detached from the charge transport compound, Ph1-Q1-Ph2-Q2-Ph3??Chemical Formula 1 where Q1 and Q2 independently represent methylene groups or ethylene groups, Ph1 and Ph3 independently represent phenyl groups with which one or two methyl groups are bonded, and Ph2 represents a phenylene group or a phenylene group having one methyl group.Type: GrantFiled: December 4, 2013Date of Patent: December 1, 2015Assignee: Ricoh Company, Ltd.Inventors: Kazukiyo Nagai, Yuuji Tanaka, Tetsuro Suzuki, Yuusuke Koizuka
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Publication number: 20150279573Abstract: An perovskite solar cell including a substrate; a first electrode provided on the substrate; an electron transport layer, including an electron transporting compound, provided on the first electrode; a perovskite compound layer, including a perovskite compound, provided on the electron transport layer; a hole transport layer, including a hole transport compound, provided on the perovskite compound layer; and a second electrode provided on the hole transport layer. The perovskite compound can be expressed by the general formula X?Y?M?, where X is a halogen atom, Y is an alkylamine compound, M includes a mixture of lead and antimony, and a ratio of ?:?:? is 3:1:1.Type: ApplicationFiled: March 25, 2015Publication date: October 1, 2015Applicant: RICOH COMPANY, LTD.Inventors: Tamotsu HORIUCHI, Tohru YASHIRO, Yuuji TANAKA
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Publication number: 20150191674Abstract: Provided is a composition for forming a lubricating coating to a tubular threaded joint. The composition contains a melamine cyanurate, a basic metal salt of an aromatic organic acid, and one or more kinds selected from the group consisting of a pine resin-based material, a wax, a metal soap, and a lubricating powder.Type: ApplicationFiled: July 31, 2013Publication date: July 9, 2015Applicants: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Kunio Goto, Yuuji Tanaka
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Patent number: 8999900Abstract: The present invention provide a two-component anti-seizure agent for hot metal working process comprising the first aqueous solution and the second aqueous solution, wherein the first aqueous solution contains 10˜30 mass % of sodium silicate equivalent to anhydride to 100 mass % of total mass of the first aqueous solution, and the second aqueous solution contains at least one kind selected from a group consisting of: an organic acid and water-soluble amine salts thereof, an inorganic acid and water-soluble amine salts thereof, a water-soluble amine, a water-soluble alcohol, and a water-soluble metal chloride. When the two-component anti-seizure agent is applied onto disk-roll type guide shoes, it can be provided and maintained on the circumferential surface of the disk-roll type guide shoes without washed away by rolls' cooling water. Thereby, the anti-seizure agent does not adhere to rolls and the rolls and a pipe material do not cause slippage each other.Type: GrantFiled: February 9, 2006Date of Patent: April 7, 2015Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Sumio Iida, Masami Imamura, Yuuji Tanaka, Kazuhiro Shimoda, Hirofumi Hori, Akira Motoki, Shizuo Mori
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Publication number: 20150083226Abstract: A photoelectric conversion element is provided. The photoelectric conversion element includes a first electrode and a second electrode. The first electrode is covered with an electron transport layer. The electron transport layer is covered with a material represented by the following formula (1): wherein R represents a straight-chain or branched-chain alkyl group, each of X1 and X2 independently represents a substituted or unsubstituted aromatic group, each of Y1 and Y2 independently represents an acidic group or hydrogen atom but at least one of Y1 and Y2 represents an acidic group, and n represents an integer of from 1 to 3. The second electrode is facing the electron transport layer.Type: ApplicationFiled: September 4, 2014Publication date: March 26, 2015Applicant: RICOH COMPANY, LTD.Inventors: Ryota Arai, Yuuji Tanaka, Tamotsu Horiuchi
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Publication number: 20150083210Abstract: A photoelectric conversion element is provided. The photoelectric conversion element includes a first electrode and a second electrode. The first electrode is covered with an electron transport layer. The electron transport layer is covered with a material represented by the following formula (1): wherein each of R1 and R2 independently represents a straight-chain or branched-chain alkyl group, Ar represents a substituted or unsubstituted aryl group, each of X1 and X2 independently represents a substituted or unsubstituted aryl group or a substituted or unsubstituted saturated hydrocarbon group, n represents an integer of from 1 to 3, and Ar may share bond connectivity with X1 or X2 to form a ring. The second electrode is facing the electron transport layer.Type: ApplicationFiled: September 17, 2014Publication date: March 26, 2015Applicant: RICOH COMPANY, LTD.Inventors: Ryota ARAI, Yuuji TANAKA, Tamotsu HORIUCHI
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Patent number: 8933334Abstract: A flame retardant that is arranged to improve the cold resistance and the productivity of a composition, a flame-retardant composition, an insulated wire, a wiring harness, and a method for manufacturing the flame-retardant composition. The flame retardant includes a pulverized natural mineral which is mainly composed of magnesium hydroxide, wherein the pulverized natural mineral is surface-treated with an organic high polymer such as polyolefin. The amount of surface treatment is within a range of 0.1 to 10 mass %. The flame-retardant composition includes 30 to 250 parts by mass of the flame retardant with respect to 100 parts by mass of an organic high polymer such as polyolefin. The insulated wire includes a conductor and the flame-retardant composition which covers the conductor, and the wiring harness includes the insulated wire.Type: GrantFiled: November 21, 2007Date of Patent: January 13, 2015Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Tsuyoshi Nonaka, Masato Inoue, Tatsuya Shimada, Yoshiharu Deguchi, Yuuji Tanaka