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).

  • Publication number: 20250109350
    Abstract: A lubricating oil composition for an automotive vehicle with an electric motor and/or generator is provided. The lubricating oil composition includes: a. a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of about 1.5 mm2/s to about 20 mm2/s; b. an sulfur-based additive including a thiadiazole and a sulfurized polyolefin of formula (I): where R1 is hydrogen or methyl, and R2 is a C8-C40 hydrocarbyl group, the sulfur-based additive providing sulfur to the lubricating oil composition in an amount of 0.01 wt. % to 0.2 wt. %, based on the total weight of the lubricating oil composition; c. a phosphorus compound; and d. an ashless polyisobutenyl succinimide-based dispersant containing boron. The lubricating oil composition provides exceptional volume resistivity, detergency, thermal and oxidative stability, wear resistance, and corrosion resistance at high temperatures.
    Type: Application
    Filed: October 31, 2022
    Publication date: April 3, 2025
    Inventors: Ryota SAWAIRI, Seiya SHIMIZU, Masami FUCHI, Takahiro NAKAGAWA, Satoshi OHTA, Koichi KUBO, Ataru MINAMI
  • Patent number: 12265218
    Abstract: An object of the present invention is to provide a light-transmissive cover, which does not deteriorate luminance of images projected from a display unit, while easily suppressing heat input from the sun into the display unit of a head-up display without using an expensive member. The present invention is a light-transmissive member for use in a head-up display device, and the light-transmissive member is formed of a polycarbonate-based resin composition, has a thickness in a range of 0.2 to 0.6 mm and contains composite tungsten oxide particles as an infrared ray shielding agent, wherein a content of the composite tungsten oxide particles, A (weight %), and a thickness of a layer containing the composite tungsten oxide particles, B (mm), satisfy the following formula (1): 0.02?A×B?0.12.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: April 1, 2025
    Assignee: TEIJIN LIMITED
    Inventors: Koichi Masaoka, Kyoichi Kubo
  • Publication number: 20250101337
    Abstract: A lubricating oil composition provides improved anti-shudder performance by lubricating an automatic transmission or continuously variable transmission. The lubricating oil composition includes (a) one or more ashless dispersants; and (b) at least one acidic phosphorus compound. When the at least one acidic phosphorus compound is composed only of phosphoric acid, the lubricating oil composition additionally contains one or more neutral phosphorus compounds. The neutralization ratio of the (a) one or more ashless dispersants/the (b) at least one acidic phosphorus compound is 60 to 100%. The lubricating oil composition further includes at least one friction modifier.
    Type: Application
    Filed: January 25, 2023
    Publication date: March 27, 2025
    Inventors: Masami FUCHI, Naoya SASAKI, Takahiro NAKAGAWA, Satoshi OHTA, Young A. CHANG, Koichi KUBO, William Raymond RUHE, JR.
  • Publication number: 20250081453
    Abstract: A three-dimensional memory device includes alternating stacks of insulating layers and electrically conductive layers, where each of the alternating stacks laterally extends along a first horizontal direction, and the alternating stacks are laterally spaced apart from each other along a second horizontal direction by lateral isolation trenches, arrays of memory openings, where each array of memory openings vertically extends through a respective one of the alternating stacks, arrays of memory opening fill structures located within the arrays of memory openings, where each of the memory opening fill structures includes a respective vertical stack of memory elements and a vertical semiconductor channel, and composite lateral isolation trench fill structures located between a respective neighboring pair of the alternating stacks.
    Type: Application
    Filed: April 25, 2024
    Publication date: March 6, 2025
    Inventors: Yuya SANADA, Koichi MATSUNO, Tomohiro KUBO, Johann ALSMEIER
  • Publication number: 20250081458
    Abstract: A three-dimensional memory device includes alternating stacks of insulating layers and electrically conductive layers laterally extending along a first horizontal direction and laterally spaced apart along a second horizontal direction by lateral isolation trenches, arrays of memory openings vertically extending through the alternating stacks, arrays of memory opening fill structures located within the arrays of memory openings and including a respective vertical stack of memory elements and a vertical semiconductor channel, and composite lateral isolation trench fill structures located between a respective neighboring pair of the alternating stacks. Each of the composite lateral isolation trench fill structures includes a dielectric pillar structure which vertically extends at least from first horizontal plane including a bottom of the alternating stacks to a second horizontal plane including a top of the alternating stacks.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 6, 2025
    Inventors: Koichi MATSUNO, Tomohiro KUBO, Johann ALSMEIER
  • Patent number: 12230478
    Abstract: A charged particle emission device includes a pre-emission state detector configured to detect a pre-emission charged state which is a charged state of the charged object before charged particles are emitted, an emission time generator configured to generate an emission time based on a past emission time of charged particles and a charged state of the charged object after the emission, emission processor circuitry configured to emit charged particles to the charged object which is in the pre-emission charged state based on the generated emission time, a post-emission state detector configured to detect a post-emission charged state which is a charged state of the charged object after the charged particles are emitted, machine learning processor circuitry configured to cause a machine learning model to learn a correspondence among the pre-emission charged state, the post-emission charged state, and the emission time generated by the emission time generator.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: February 18, 2025
    Assignees: SHISHIDO ELECTROSTATIC, LTD., NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY
    Inventors: Katsuyuki Takahashi, Chyon Hae Kim, Koichi Takaki, Katsuya Kubo, Yuki Kaneta, Shinichi Yamaguchi, Isao Hiyoshi, Ryuichi Takeuchi, Hidemi Nagata
  • Patent number: 12228869
    Abstract: A transfer device includes an intermediate transfer belt having a surface to which a toner image may be transferred and solid lubricant particles are attached, a primary transfer member performing primary transfer of a toner image to the surface of the intermediate transfer belt, a secondary transfer member performing secondary transfer of the toner image to a surface of a recording medium, and a detection device detecting a density of the toner image and has a light irradiation unit irradiating the surface of the intermediate transfer belt and a light receiving unit receiving reflected light, in which a relationship between a volume-average particle size A (nm) of the solid lubricant particles attached to the surface of the intermediate transfer belt and a wavelength B (nm) of the light radiated from the light irradiation unit satisfies the following Expression: Expression 1:B>A×8.6+300.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: February 18, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Masato Ono, Shigeru Fukuda, Satoya Sugiura, Hiroaki Tanaka, Yosuke Kubo, Iori Nishimura, Daisuke Tanemura, Masayuki Seko, Koichi Matsumoto
  • Patent number: 12202611
    Abstract: An aerial vehicle safety apparatus includes a safety mechanism, a drive mechanism, an ejection mechanism, and a control mechanism. The safety mechanism is used for securing safety of at least one of an aerial vehicle and an object outside the aerial vehicle. The drive mechanism includes at least one drive unit serving as a drive source of the safety mechanism. The ejection mechanism ejects the drive mechanism together with the safety mechanism. The control mechanism controls operations of the drive mechanism for the drive mechanism to drive the safety mechanism after the ejection mechanism starts ejection of the safety mechanism.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: January 21, 2025
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Yasuhiko Yagihashi, Hiroshi Nakamura, Koichi Sasamoto, Dairi Kubo, Takahiro Ooi
  • Publication number: 20240408885
    Abstract: A relation of VV<V2 is satisfied, where VV is a volume of fluid passing a communication port of a first pressure control chamber of a first pressure adjustment unit and a fourth passage communicating with a circulating pump and the first pressure control chamber, in a direction from the first pressure control chamber toward the fourth passage in a period from a time when operation of the circulating pump is stopped to a time when pressure in the first pressure control chamber and pressure in the second pressure control chamber become equal to each other, and V2 is a volume of the fourth passage.
    Type: Application
    Filed: May 30, 2024
    Publication date: December 12, 2024
    Inventors: KOICHI KUBO, MANABU OHARA, KAZUYA YOSHII
  • Publication number: 20240375407
    Abstract: Provided are a liquid ejection head and a liquid ejection apparatus that can suppress reduction of the ejection stability. To this end, an opening of a circulation pump connected with a supply port is positioned higher than a discharge port in a vertical direction in a usage orientation of the liquid ejection head, and the discharge port is positioned higher than the supply port in the vertical direction or at the same height as that of the supply port in the vertical direction in the usage orientation of the liquid ejection head.
    Type: Application
    Filed: May 10, 2024
    Publication date: November 14, 2024
    Inventors: MANABU OHARA, KOICHI KUBO, KAZUYA YOSHII
  • Publication number: 20240198689
    Abstract: 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: Application
    Filed: November 30, 2023
    Publication date: June 20, 2024
    Inventors: TAKESHI MURASE, SOJI KONDO, KOICHI KUBO, MASAKI NITTA, HIROSHI TAIRA, HIROSHI KAWAFUJI, SAE MOGI, SHUNNOSUKE KOSEKI
  • Publication number: 20240101923
    Abstract: 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: Application
    Filed: September 14, 2021
    Publication date: March 28, 2024
    Applicant: CHEVRON JAPAN LTD.
    Inventors: Masami FUCHI, Naoya SASAKI, Takahiro NAKAGAWA, Satoshi OHTA, Naoki MASUDA, Koichi KUBO
  • Publication number: 20230406000
    Abstract: 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: Application
    Filed: May 16, 2023
    Publication date: December 21, 2023
    Inventors: KENJI YABE, NAOZUMI NABESHIMA, SOJI KONDO, KOICHI KUBO
  • Publication number: 20230287291
    Abstract: 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: Application
    Filed: October 5, 2021
    Publication date: September 14, 2023
    Applicants: CHEVRON JAPAN LIMITED, CHEVRON ORONITE COMPANY LLC
    Inventors: Taiki HATTORI, Koichi KUBO, William Raymond RUHE JR.
  • Publication number: 20230191793
    Abstract: 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: Application
    Filed: December 6, 2022
    Publication date: June 22, 2023
    Inventors: KOICHI KUBO, NAOZUMI NABESHIMA, SOJI KONDO, Kazuya Yoshii
  • Publication number: 20230167378
    Abstract: 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: Application
    Filed: April 9, 2021
    Publication date: June 1, 2023
    Inventors: 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
  • Patent number: 11565530
    Abstract: 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: Grant
    Filed: September 26, 2019
    Date of Patent: January 31, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Fukushima, Tetsuya Ohashi, Yasuo Kotaki, Ryoji Inoue, Koichi Kubo, Naozumi Nabeshima, Hironori Murakami, Takeho Miyashita, Kyosuke Nagaoka, Noriyasu Nagai
  • Patent number: 11520359
    Abstract: 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: Grant
    Filed: January 28, 2020
    Date of Patent: December 6, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kazuya Yoshii, Koichi Kubo, Naozumi Nabeshima, Soji Kondo
  • Patent number: 11479045
    Abstract: 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: Grant
    Filed: September 26, 2019
    Date of Patent: October 25, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Fukushima, Tetsuya Ohashi, Yasuo Kotaki, Ryoji Inoue, Koichi Kubo, Naozumi Nabeshima, Hironori Murakami, Takeho Miyashita, Kyosuke Nagaoka, Noriyasu Nagai
  • Patent number: 11214754
    Abstract: 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: Grant
    Filed: October 15, 2018
    Date of Patent: January 4, 2022
    Assignee: CHEVRON JAPAN LTD.
    Inventors: Hisanari Onouchi, Koichi Kubo, Isao Tanaka