Patents by Inventor Koichi Kubo
Koichi Kubo 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: 12117747Abstract: An endless belt includes a layer containing a resin and electrically conductive particles. In the endless belt, a discharge starting voltage at which discharge starts when a voltage is applied to the layer and increased is 0.9 kV or more.Type: GrantFiled: September 22, 2022Date of Patent: October 15, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Daisuke Tanemura, Shigeru Fukuda, Masato Ono, Masato Furukawa, Hiroaki Tanaka, Yosuke Kubo, Masayuki Seko, Koichi Matsumoto
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Publication number: 20240329569Abstract: A transfer device includes an intermediate transfer member consisting of an endless belt which consists of a layer containing a resin including at least one resin selected from the group consisting of a polyimide resin, a polyamide-imide resin, an aromatic polyether ether ketone resin, a polyphenylene sulfide resin, and a polyetherimide resin, conductive carbon particles, a silicone oil containing at least one polymer selected from the group consisting of dimethylpolysiloxane and organic group-substituted dimethylpolysiloxane or has the layer as an outermost layer, and in which an integral value of a statistical quantity L(r) represented by the following Equation (1) is 0 or more and 0.1 or less at an interparticle distance r of 0.05 ?m or more and 0.30 ?m or less in a spatial distribution of the conductive carbon particles existing in a 6.3 ?m×4.Type: ApplicationFiled: March 25, 2024Publication date: October 3, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Satoya SUGIURA, Hiroaki TANAKA, Masato ONO, Yosuke KUBO, Iori NISHIMURA, Shigeru FUKUDA, Daisuke TANEMURA, Masayuki SEKO, Koichi MATSUMOTO, Masato FURUKAWA
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Publication number: 20240329556Abstract: A transfer device includes an intermediate transfer member consisting of an endless belt which consists of a layer containing a resin including at least one resin selected from the group consisting of a polyimide resin, a polyamide-imide resin, an aromatic polyether ether ketone resin, a polyphenylene sulfide resin, and a polyetherimide resin, conductive carbon particles, a silicone oil containing at least one polymer selected from the group consisting of dimethylpolysiloxane and organic group-substituted dimethylpolysiloxane or has the layer as an outermost layer, and in which an integral value of a statistical quantity L(r) represented by the following Equation (1) is 0 or more and 0.1 or less at an interparticle distance r of 0.05 ?m or more and 0.30 ?m or less in a spatial distribution of the conductive carbon particles existing in a 6.3 ?m×4.Type: ApplicationFiled: August 17, 2023Publication date: October 3, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Satoya SUGIURA, Hiroaki TANAKA, Masato ONO, Yosuke KUBO, lori NISHIMURA, Shigeru FUKUDA, Daisuke TANEMURA, Masayuki SEKO, Koichi MATSUMOTO
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Publication number: 20240295841Abstract: A transfer device includes an intermediate transfer belt that has a surface to which a toner image is to be transferred and solid lubricant particles are attached, a primary transfer device that has a primary transfer member performing primary transfer of a toner image formed on a surface of an image holder to the surface of the intermediate transfer belt, a secondary transfer device that has a secondary transfer member which is arranged in contact with the surface of the intermediate transfer belt and performs secondary transfer of the toner image transferred to the surface of the intermediate transfer belt to a surface of a recording medium, and a detection device that detects a density of the toner image transferred to the surface of the intermediate transfer belt and has a light irradiation unit irradiating the surface of the intermediate transfer belt with light and a light receiving unit receiving reflected light generated in a case where the light radiated from the light irradiation unit is reflected fType: ApplicationFiled: July 31, 2023Publication date: September 5, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Masato ONO, Shigeru Fukuda, Satoya Sugiura, Hiroaki Tanaka, Yosuke Kubo, Iori Nishimura, Daisuke Tanemura, Masayuki Seko, Koichi Matsumoto
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Patent number: 12078944Abstract: An intermediate transfer belt has metal oxide particles as a solid lubricant on a surface of the intermediate transfer belt, in which an average spacing between the metal oxide particles on the surface is 1,000 nm or less, and an average height of the metal oxide particles from the surface is 15 nm or more and 320 nm or less.Type: GrantFiled: July 17, 2023Date of Patent: September 3, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Daisuke Tanemura, Masato Ono, Shigeru Fukuda, Masato Furukawa, Hiroaki Tanaka, Yosuke Kubo, Iori Nishimura, Masayuki Seko, Koichi Matsumoto, Satoya Sugiura
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Publication number: 20240270325Abstract: What is provided is an automobile body in which batteries, tires, and liquids containing water and oil are removed from a public road vehicle with superior collision safety, the public road vehicle comprising at least a steel material containing a steel sheet with a tensile strength of 1180 MPa or higher, a non-ferrous metal material, and a resin material, wherein the ratio of a mass mh (kg) of the steel sheet having a tensile strength of 1180 MPa or higher to a mass m (kg) of the automobile body is 9% or higher, and a mass m (kg) of the automobile body and a projected area s (m2) of the automobile body from an upper side satisfy a formula (1) and a formula (2) 6 < s < 11 ( 1 ) m < ( 2 ? 7 ? 2 . 3 ? 7 × s - 8 ? 3 ? 5 ) × 0 ? .98 .Type: ApplicationFiled: May 25, 2022Publication date: August 15, 2024Applicant: NIPPON STEEL CORPORATIONInventors: Masahiro KUBO, Shunji HIWATASHI, Yutaka MIKAZUKI, Koichi SATO, Takahiro AITOH, Kengo TAKEDA, Katsuya NAKANO, Yuri TODA, Shinichiro TABATA, Kodai MURASAWA, Daisuke MAEDA, Kazuo HIKIDA, Kazuhisa KUSUMI, Shingo FUJINAKA, Jun HAGA, Ryo TABATA, Ryoma KATO, Mitsuharu YAMAGATA, Toshiyuki NIWA, Hiromi ASAMA, Junichiro SUZUKI, Yasunori ITO
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Patent number: 12055874Abstract: An endless belt contains: a resin; electrically conductive carbon particles; and a surfactant. When polyester resin particles having a volume average particle diameter of 4.7 ?m are caused to adhere to an outer circumferential surface of the endless belt and then air is blown onto the outer circumferential surface from an upper side of the outer circumferential surface while the blowing pressure of the air is increased, all the polyester resin particles adhering to the outer circumferential surface are separated from the outer circumferential surface before or when the blowing pressure reaches 6 kPa.Type: GrantFiled: May 25, 2021Date of Patent: August 6, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Masato Ono, Masayuki Seko, Koichi Matsumoto, Shigeru Fukuda, Satoya Sugiura, Daisuke Tanemura, Masato Furukawa, Hiroaki Tanaka, Kenta Yamakoshi, Yosuke Kubo
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Publication number: 20240254405Abstract: An agent for forming a solid lubricating coating film on a tightening surface of a thread portion, in which a solid lubricant is dispersed in a binder resin as a matrix component, a main component of the solid lubricant is melamine cyanurate, and an average particle diameter of the melamine cyanurate is 0.1 ?m or more and 10.0 ?m or less, the binder resin contains an alkyd resin and nitrocellulose, and the alkyd resin and nitrocellulose are contained in an amount of 85 wt % or more of the total binder resin component weight, and a total weight of the solid lubricant is 10 parts by weight or more and 100 parts by weight or less based on 100 parts by weight of a total weight of the binder resin.Type: ApplicationFiled: May 24, 2022Publication date: August 1, 2024Applicants: JFE STEEL CORPORATION, TOYO DRILUBE CO., LTD.Inventors: Yasuhide ISHIGURO, Seigo GOTO, Takashi KOGA, Takamasa KAWAI, Seiji OZAKI, Hideo SATO, Sachiko FUJIMOTO, Koichi SHODA, Akira OKUBO, Ryota KOBAYASHI, Ryota KUBO, Kota TOYOSAWA
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Publication number: 20240254404Abstract: A solid lubricating coating film capable of imparting favorable lubricity and corrosion resistance to a connection for oil country tubular goods. Two or more solid lubricants are dispersed in a binder resin. Graphite is contained in an amount of 50% or more and 90% or less of a total weight of the solid lubricants, and the graphite has a scaly shape and an average particle diameter of 10.0 ?m or less. A solid lubricant made of one or more materials selected from BN, mica, talc, MCA, MoS2, PTFE, PFA, and FEP is further contained as other solid lubricants of the two or more types of solid lubricants. The binder resin contains a PEEK resin having an average particle diameter of 20 ?m or less as a main component, and the PEEK resin is contained in an amount of 70% or more of a total weight of the binder resin.Type: ApplicationFiled: May 24, 2022Publication date: August 1, 2024Applicants: JFE STEEL CORPORATION, TOYO DRILUBE CO.,LTD.Inventors: Yasuhide ISHIGURO, Seigo GOTO, Takashi KOGA, Takamasa KAWAI, Seiji OZAKI, Hideo SATO, Sachiko FUJIMOTO, Koichi SHODA, Akira OKUBO, Ryota KOBAYASHI, Ryota KUBO, Kota TOYOSAWA
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Publication number: 20240198689Abstract: A liquid ejecting apparatus includes: a circulation channel; a circulating pump configured to circulate a liquid in the circulation channel; and a control unit configured to perform control that drives the circulating pump at a first number of times of driving in a case of performing a printing operation in which the liquid is ejected onto a printing medium, and drives the circulating pump at a second number of times of driving smaller than the first number of times of driving in a predetermined case which is before performing the printing operation.Type: ApplicationFiled: November 30, 2023Publication date: June 20, 2024Inventors: TAKESHI MURASE, SOJI KONDO, KOICHI KUBO, MASAKI NITTA, HIROSHI TAIRA, HIROSHI KAWAFUJI, SAE MOGI, SHUNNOSUKE KOSEKI
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Publication number: 20240101923Abstract: This disclosure describes a zinc-free lubricating oil composition. The composition includes a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of about 1.5 to about 35 mm2/s and an anti-wear mixture having one or more ashless dispersants and an alkyl phosphonic acid having a structure given by wherein R is a C3-C20 hydrocarbyl group. The initial pH of the anti-wear mixture is between 5-9.5 as measured by ASTM D664.Type: ApplicationFiled: September 14, 2021Publication date: March 28, 2024Applicant: CHEVRON JAPAN LTD.Inventors: Masami FUCHI, Naoya SASAKI, Takahiro NAKAGAWA, Satoshi OHTA, Naoki MASUDA, Koichi KUBO
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Publication number: 20230406000Abstract: Provided is a liquid ejection head for ejecting a liquid while being scanned in a main scanning direction, including: a circulation pump capable of supplying the liquid from a supply channel into a pressure chamber, and collecting the liquid in the pressure chamber through a collection channel and sending the liquid to the supply channel; a first pressure adjustment unit disposed between an outlet channel of the circulation pump and the supply channel; a second pressure adjustment unit disposed between an inlet channel of the circulation pump and the collection channel. At least one of the first pressure adjustment unit or the second pressure adjustment unit is configured such that pressures with different signs relative to a pressure at rest are generated in response to a forward scan and a backward scan in the main scanning direction.Type: ApplicationFiled: May 16, 2023Publication date: December 21, 2023Inventors: KENJI YABE, NAOZUMI NABESHIMA, SOJI KONDO, KOICHI KUBO
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Publication number: 20230287291Abstract: This disclosure describes a lubricant additive. The additive is a friction modifier that includes a molybdenum containing compound and a tertiary amine-containing composition having the following structure: wherein each R1 and R5 is independently a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms, wherein each R2, R3, and R4 is independently a hydrogen, a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms, each m is independently from 0 and 4, each p is independently from 0 and 4, for each cyclic moiety m+p is from 2 and 4, and each n is independently from 1 and 6.Type: ApplicationFiled: October 5, 2021Publication date: September 14, 2023Applicants: CHEVRON JAPAN LIMITED, CHEVRON ORONITE COMPANY LLCInventors: Taiki HATTORI, Koichi KUBO, William Raymond RUHE JR.
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Publication number: 20230191793Abstract: A liquid ejection apparatus includes: a liquid storage unit; a liquid ejection head; a liquid communication path to communicate the liquid storage unit with the liquid ejection head; and a liquid pressurization unit to supply a liquid in the liquid storage unit to the liquid ejection head through the liquid communication path by pressurization. The liquid ejection head includes: an inlet; a pressure chamber; and a circulation path through which the liquid supplied from the liquid communication path is circulated. The circulation path includes a supply channel, the pressure chamber, a collection channel, a circulation pump, and a pressure adjustment unit. The circulation pump is disposed at a position which is higher in the direction of gravity than a liquid inlet provided in a liquid channel extending from the liquid storage unit to the pressure adjustment unit and where the circulation pump is not in contact with the inlet.Type: ApplicationFiled: December 6, 2022Publication date: June 22, 2023Inventors: KOICHI KUBO, NAOZUMI NABESHIMA, SOJI KONDO, Kazuya Yoshii
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Publication number: 20230167378Abstract: The present invention generally relates to lubricating oil compositions comprising a biobased base oil, methods of lubricating an engine with said lubricating oil compositions. Also disclosed is the use of said lubricating oil compositions in an engine.Type: ApplicationFiled: April 9, 2021Publication date: June 1, 2023Inventors: Alexander Bowman BOFFA, Ian G. ELLIOTT, John Robert MILLER, Jennifer Elizabeth NEWELL, Mark SZTENDEROWICZ, Kevin CARABEL, Ramoun MOURHATCH, Claire CHOMMELOUX, Arash BOHLOUL, Mia GILL, Xiaomin Helen TU, Koichi KUBO, Isao TANAKA, Taiki HATTORI, Gang CHEN, Richard HOGENDOORN, Peter KLEIJWEGT, Jeroen VAN LEEUWEN, Wilhelmus Petrus VAN HOUTEN, Cornelis Hendrikus Maria BOONS, Deane S. WALKER, John D. PALAZZOTTO
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Patent number: 11565530Abstract: An ink cartridge adapter or ink cartridge includes a casing; and a plurality of pad electrodes mounted on the casing so as to be movable in a direction outwardly away from a side surface of the casing.Type: GrantFiled: September 26, 2019Date of Patent: January 31, 2023Assignee: Canon Kabushiki KaishaInventors: Takashi Fukushima, Tetsuya Ohashi, Yasuo Kotaki, Ryoji Inoue, Koichi Kubo, Naozumi Nabeshima, Hironori Murakami, Takeho Miyashita, Kyosuke Nagaoka, Noriyasu Nagai
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Patent number: 11520359Abstract: A pressure control unit includes a liquid storage chamber, an inflow port that allows the liquid to flow therein, and an outflow port that allows the liquid to flow out thereof, the pressure control unit controlling pressure of the liquid, wherein at least part of an outer wall of the liquid storage chamber is formed of a flexible film, a pressing plate that presses the flexible film, an urging member that urges the pressing plate, and a valve that opens and closes the outflow port. The pressing plate moves in a direction of expanding the liquid storage chamber, whereby the valve in contact with the pressing plate moves and makes a valve opening degree of the outflow port high. A range of motion of the valve when making the valve opening degree of the outflow port high is limited by a member other than the pressing plate.Type: GrantFiled: January 28, 2020Date of Patent: December 6, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Kazuya Yoshii, Koichi Kubo, Naozumi Nabeshima, Soji Kondo
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Patent number: 11479045Abstract: An ink cartridge adapter or ink cartridge includes a casing; and a plurality of pad electrodes mounted on the casing so as to be movable in a direction outwardly away from a side surface of the casing.Type: GrantFiled: September 26, 2019Date of Patent: October 25, 2022Assignee: Canon Kabushiki KaishaInventors: Takashi Fukushima, Tetsuya Ohashi, Yasuo Kotaki, Ryoji Inoue, Koichi Kubo, Naozumi Nabeshima, Hironori Murakami, Takeho Miyashita, Kyosuke Nagaoka, Noriyasu Nagai
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Patent number: 11214754Abstract: Provided is an internal combustion engine lubricating oil composition having a major amount of an oil of lubricating viscosity; a combination of alkaline earth metal alkylhydroxybenzoate detergents; at least about 50 to about 500 ppm of boron from a boron containing detergent; a molybdenum containing compound in an amount to provide the lubricating oil composition from about 100 to about 1500 ppm molybdenum; a ZnDTP compound; where the composition comprises magnesium in an amount from about 100 to about 800 ppm, and calcium in an amount from about 500 to about 2000 ppm.Type: GrantFiled: October 15, 2018Date of Patent: January 4, 2022Assignee: CHEVRON JAPAN LTD.Inventors: Hisanari Onouchi, Koichi Kubo, Isao Tanaka
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Publication number: 20210399682Abstract: A solar cell module according to an example of an embodiment comprises a junction box and a plurality of strings including a plurality of solar cells and wiring. The junction box includes: a plurality of terminals; an output line; a plurality of bypass diodes; a detection unit that detects the temperature of at least one of the plurality of bypass diodes; a processing unit that outputs identification information and detection information through the output line to an external device; and a case body. The minimum distance between the processing unit and the plurality of bypass diodes is longer than that between the detection unit and the plurality of bypass diodes.Type: ApplicationFiled: August 1, 2019Publication date: December 23, 2021Applicant: Panasonic CorporationInventors: Koichi Kubo, Tomohide Yoshida, Minoru Higuchi