Patents by Inventor Masahiro Oki
Masahiro Oki 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: 11951747Abstract: A tank includes: a tank body defining a storage chamber; a recessed portion provided at the tank body; a slider positioned in the recessed portion; a fitting portion provided at the slider; and a sealing member. The recessed portion has an injection opening in communication with the storage chamber, and a connection opening through which a liquid container is connectable. The slider includes a nozzle extending toward the connection opening in an extending direction and having a communication opening communicable with the injection opening. The slider is movable toward and away from the connection opening in the extending direction while rotating relative to the recessed portion. The fitting portion can be fitted with the liquid container. The sealing member can provide a liquid tight sealing to a gap between the slider and the recessed portion, and allow liquid flow between the communication opening and the injection opening.Type: GrantFiled: June 7, 2022Date of Patent: April 9, 2024Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahiro Hayashi, Naoya Okazaki, Satoru Oki, Nanami Abe
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Publication number: 20240100846Abstract: A cartridge configured to be inserted in a first direction into a case having a plurality of engagement portions is provided. The cartridge has a body and a key member. The body has a chamber for storing a printing agent. The key member is located on the body at a position associated with a type of the printing agent stored in the chamber and is configured to engage with a corresponding one of the plurality of engagement portions of the case. The key member has a surface facing a second direction opposite to the first direction. The surface is configured to contact the corresponding one of the plurality of engagement portions.Type: ApplicationFiled: September 27, 2023Publication date: March 28, 2024Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahiro HAYASHI, Naoya OKAZAKI, Yuma TANABE, Satoru OKI, Yuji FUKUTA
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Publication number: 20240100847Abstract: A printing-agent container, having a container body, an outflow port, and an identifying portion, is provided. The container body has a chamber for containing a printing agent. Through the outflow port, the printing agent flows out of the chamber. The identifying portion is provided to the container body correspondingly to a type of the printing agent contained in the chamber of the container body. The identifying portion has an inner surface defining the chamber.Type: ApplicationFiled: September 27, 2023Publication date: March 28, 2024Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahiro HAYASHI, Naoya OKAZAKI, Yuma TANABE, Satoru OKI, Yuji FUKUTA
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Patent number: 11938736Abstract: A printing liquid container includes first and second members having a supply port and a valve, respectively. The members rotate with respect to each other between first and second states. The valve closes and opens the supply port in the first and second states, respectively. The first and second members have first and second fitting portions, respectively. The fitting portions fit to a fitted portion of a tank in the first state. The second fitting portion allows rotation of the second member with respect to the fitted portion when the first fitting portion are fitted to the fitting portion. The first member does not rotate together with the second member due to fitting between the fitted portion and the first fitting portion. The second member cannot be removed from the fitted portion due to fitting of the second fitting portion to the fitted portion in the second state.Type: GrantFiled: February 23, 2022Date of Patent: March 26, 2024Assignee: Brother Kogyo Kabushiki KaishaInventors: Masahiro Hayashi, Satoru Oki, Nanami Ashida, Naoya Okazaki
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Patent number: 11879040Abstract: Resin particles include mother particles containing a biodegradable resin and a plasticizer, in which an amount of a metal element having an ionic valence of 2 or more, obtained by fluorescent X-ray analysis, is 0.002% by mass or more and 2.0% by mass or less with respect to a total amount of the resin particles.Type: GrantFiled: October 20, 2021Date of Patent: January 23, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Kazusei Yoshida, Masahiro Oki, Hideaki Yoshikawa, Kenji Yao, Tetsuya Taguchi
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Publication number: 20230391970Abstract: A cellulosic particle contains cellulose as its base constituent. If hydrophobized silica particles are attached to the cellulosic particle, the percentage detachment upon sonication of the silica particles is 50% or less.Type: ApplicationFiled: November 29, 2022Publication date: December 7, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Kenji YAO, Ayu NAITO, Kazusei YOSHIDA, Yuko IWADATE, Masahiro OKI, Tetsuya TAGUCHI, Hirokazu HAMANO, Takahiro ISHIZUKA, Hideaki YOSHIKAWA
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Publication number: 20230312842Abstract: A cellulosic particle contains cellulose as its base constituent, and the 5-day and 60-day percentage biodegradations of the cellulosic particle measured as per JIS K6950:2000 are lower than 20% and 60% or higher, respectively.Type: ApplicationFiled: January 6, 2023Publication date: October 5, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Kenji YAO, Masahiro Oki, Hideaki Yoshikawa, Kazusei Yoshida, Ayu Naito, Yuko Iwadate, Takahiro Ishizuka, Tetsuya Taguchi, Hirokazu Hamano, Satomi Kashiwagi
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Publication number: 20230303781Abstract: A cellulosic particle contains 90 parts by mass or more and 99.5 parts by mass or less of cellulose; and 0.5 parts by mass or more and 10 parts by mass or less of a cellulose derivative.Type: ApplicationFiled: November 9, 2022Publication date: September 28, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Kenji YAO, Kazusei YOSHIDA, Ayu NAITO, Yuko IWADATE, Takahiro ISHIZUKA, Tetsuya TAGUCHI, Hirokazu HAMANO, Masahiro OKI, Hideaki YOSHIKAWA
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Patent number: 11732099Abstract: Resin particles include mother particles containing a biodegradable resin, in which an alkali metal atomic weight A present on a resin particle surface with respect to a total atomic weight present on the resin particle surface, which is measured by an X-ray photoelectron spectroscopy, and an alkali metal atomic weight B present in the resin particles with respect to the total atomic weight present on the resin particles, which is measured by a fluorescent X-ray spectroscopy, satisfy a relationship of 0?(A/B)<0.15 and 0.005 atomic %?B?0.5 atomic %.Type: GrantFiled: October 21, 2021Date of Patent: August 22, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Hideaki Yoshikawa, Kenji Yao, Masahiro Oki, Kazusei Yoshida, Tetsuya Taguchi
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Publication number: 20230250262Abstract: A cellulosic particle contains a first component that is cellulose; and a second component that is at least one selected from the group consisting of a fatty acid derivative (A), an aromatic compound having a long-chain aliphatic group and at least one of a phenolic hydroxyl group or a monoglycidyl ether group directly bound to an aromatic group (B), and a (meth)acrylic compound (C).Type: ApplicationFiled: November 20, 2022Publication date: August 10, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Kenji YAO, Hideaki YOSHIKAWA, Takahiro ISHIZUKA, Hirokazu HAMANO, Tetsuya TAGUCHI, Masahiro OKI, Yuko IWADATE, Kazusei YOSHIDA, Ayu NAITO
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Publication number: 20230250241Abstract: A cellulosic particle includes: a cellulose-based core particle; a first coating layer covering the core particle and containing a polyamine compound; and a second coating layer covering the first coating layer and containing at least one selected from the group consisting of a wax, a linear-chain saturated fatty acid, a hydroxy fatty acid, and an amino acid compound.Type: ApplicationFiled: October 26, 2022Publication date: August 10, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Kenji YAO, Hideaki YOSHIKAWA, Masahiro OKI, Kazusei YOSHIDA, Ayu NAITO, Yuko IWADATE, Takahiro ISHIZUKA, Tetsuya TAGUCHI, Hirokazu HAMANO
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Publication number: 20220306818Abstract: Resin particles include mother particles containing a biodegradable resin and a plasticizer, in which an amount of a metal element having an ionic valence of 2 or more, obtained by fluorescent X-ray analysis, is 0.002% by mass or more and 2.0% by mass or less with respect to a total amount of the resin particles.Type: ApplicationFiled: October 20, 2021Publication date: September 29, 2022Applicant: FUJIFILM Business Innovation Corp.Inventors: Kazusei YOSHIDA, Masahiro OKI, Hideaki YOSHIKAWA, Kenji YAO, Tetsuya TAGUCHI
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Publication number: 20220306823Abstract: Resin particles include mother particles containing a biodegradable resin, in which an alkali metal atomic weight A present on a resin particle surface with respect to a total atomic weight present on the resin particle surface, which is measured by an X-ray photoelectron spectroscopy, and an alkali metal atomic weight B present in the resin particles with respect to the total atomic weight present on the resin particles, which is measured by a fluorescent X-ray spectroscopy, satisfy a relationship of 0?(A/B)<0.15 and 0.005 atomic %?B?0.5 atomic %.Type: ApplicationFiled: October 21, 2021Publication date: September 29, 2022Applicant: FUJIFILM Business Innovation Corp.Inventors: Hideaki YOSHIKAWA, Kenji YAO, Masahiro OKI, Kazusei YOSHIDA, Tetsuya TAGUCHI
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Publication number: 20220306842Abstract: Resin particles include mother particles containing a biodegradable resin, and a coating layer containing at least one selected from the group consisting of a quaternary ammonium salt-containing polymer, polyacrylamide, polyvinylpyrrolidone, and polylysine on a surface of the mother particles.Type: ApplicationFiled: October 19, 2021Publication date: September 29, 2022Applicant: FUJIFILM Business Innovation Corp.Inventors: Masahiro OKI, Kenji YAO, Hideaki YOSHIKAWA, Kazusei YOSHIDA, Tetsuya TAGUCHI
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Publication number: 20220169833Abstract: [Problem] To provide a resin particle having excellent heat resistance and flexibility. [Solution] A resin particle in which a mass loss rate after being immersed in distilled water at 70° C. for 14 days is less than 10%, and in which a mass loss rate after being left in a compost having a composition shown below at 55° C. for 14 days is 90% or more.Type: ApplicationFiled: May 17, 2021Publication date: June 2, 2022Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Kenji YAO, Hideaki YOSHIKAWA, Masahiro OKI, Kazusei YOSHIDA, Tetsuya TAGUCHI
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Publication number: 20210403660Abstract: A biodegradable resin particle, includes: a base particle containing a biodegradable resin; a first layer on a surface of the base particle, the first layer containing at least one cationic resin of a polyalkyleneimine, a polyallylamine and a polyvinylamine; and a second layer on the first layer, the second layer containing an anionic or nonionic hydrophobic compound.Type: ApplicationFiled: April 29, 2021Publication date: December 30, 2021Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Masahiro OKI, Kenji YAO, Hideaki YOSHIKAWA, Takeshi IWANAGA, Kazusei YOSHIDA, Tetsuya TAGUCHI
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Publication number: 20200032101Abstract: An aqueous emulsion includes a prepolymer that is a reaction product of a multifunctional isocyanate and an acrylic resin having fluorine atoms and hydroxyl groups and having an acid value in a range of 5 mgKOH/g to 100 mgKOH/g; and an aqueous solvent.Type: ApplicationFiled: April 2, 2019Publication date: January 30, 2020Applicant: FUJI XEROX CO., LTD.Inventors: Masahiro OKI, Hisae YOSHIZAWA, Fumiaki MERA, Takako KOBAYASHI, Shimpei TAKAGI
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Publication number: 20180284632Abstract: A liquid developer includes toner particles and a carrier liquid, wherein the toner particles include, as a binder resin, an amorphous polyester resin and a crystalline saturated aliphatic polyester resin having a composition ratio (C/O ratio) of carbon atoms and oxygen atoms of 3.4 or less, and with respect to a toner obtained by vacuum drying the toner particles, a crystal melting peak at a first temperature rise in differential heating calorimetry is 60° C. or more.Type: ApplicationFiled: October 27, 2017Publication date: October 4, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Fumiaki MERA, Daisuke YOSHINO, Masahiro OKI, Yoshitake OGURA, Takako KOBAYASHI, Kazusei YOSHIDA, Manabu KAWASHIMA, Akira IMAI, Tetsuya TAGUCHI
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Publication number: 20180275549Abstract: A liquid developer includes toner particles containing, as a binder resin, at least a polyester resin containing a monomer unit, which includes a linear or branched chain saturated hydrocarbon chain having 2 to 5 carbon atoms between ester bonds, in a range of from 5 mol % to 25 mol % with respect to all monomer units included in the polyester resin, and a colorant; and a carrier liquid including an insulating liquid.Type: ApplicationFiled: December 4, 2017Publication date: September 27, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Kazusei YOSHIDA, Daisuke YOSHINO, Masahiro OKI, Akira IMAI, Yoshitake OGURA, Takako KOBAYASHI, Koji HORIBA, Manabu KAWASHIMA, Fumiaki MERA, Tetsuya TAGUCHI
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Patent number: 9766565Abstract: A liquid developer includes a carrier liquid and a toner including a urethane-modified acrylic resin.Type: GrantFiled: August 12, 2016Date of Patent: September 19, 2017Assignee: FUJI XEROX CO., LTD.Inventors: Masahiro Oki, Koji Horiba, Takako Kobayashi, Akira Imai, Yoshitake Ogura, Hiroyuki Moriya, Daisuke Yoshino