Patents by Inventor Yuka Watanabe

Yuka Watanabe 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: 20250013161
    Abstract: A resin particle contains a binder resin containing a polyester resin containing polyethylene terephthalate and a diol component of propylene glycol and a release agent containing an ester wax.
    Type: Application
    Filed: June 26, 2024
    Publication date: January 9, 2025
    Applicant: Ricoh Company, Ltd.
    Inventors: akio Takei, Junichi Watanabe, Yuka Mizoguchi, Suzuka Karato, Shinya Nakayama
  • Publication number: 20250013163
    Abstract: A resin particle contains a resin B containing a component derived from at least one of polyethylene terephthalate or polybutylene terephthalate and a biomass-derived resin C containing a linear aliphatic alcohol with 2 to 4 carbon atoms and a linear aliphatic acid with 10 to 12 carbon atoms, wherein the resin particle has a core shell structure of a core resin and a shell resin, the core resin contains a crystalline resin, and the proportion of the sum of the resin B and the resin C to 100 percent by mass of the resin particle is 30 or greater percent by mass.
    Type: Application
    Filed: July 2, 2024
    Publication date: January 9, 2025
    Applicant: Ricoh Company, Ltd.
    Inventors: Suzuka Karato, Yuka Mizoguchi, Akio Takei, Junichi Watanabe, Shinya Nakayama
  • Publication number: 20240416213
    Abstract: A system includes a sensor configured to output information relating to an exercise quantity of a user who performs exercise while viewing a moving image; and an information processing apparatus including a processor; and a memory that includes instructions, which when executed, cause the processor to execute controlling displaying of the moving image, and playing back the moving image at a playback speed determined based on the information relating to the exercise quantity of each of a plurality of the users output from the sensor, and a attributable ratio of the exercise quantity with respect to the playback speed of the moving image set for each of the plurality of the users.
    Type: Application
    Filed: June 12, 2024
    Publication date: December 19, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuka KURUSU, Atsushi IKEDA, Hayato WATANABE, Kyosuke SUZUKI, Tsutomu KAWASE
  • Publication number: 20240409721
    Abstract: A lignocellulose solution is produced by a production method including: coarsely pulverizing a biomass containing lignocellulose to obtain a coarse powder; mixing the coarse powder with an organic acid; and dissolving the coarse powder in the organic acid. A molded article containing lignocellulose as a main component is formed from this solution. The molded article has a density of less than 1.20 g/cm3. In one embodiment, the molded article is substantially free of an adhesive component. In another aspect, cellulose, hemicellulose, and lignin constituting the lignocellulose form an ester bond with an organic acid. A molded article according to still another embodiment has a density of less than 1.60 g/cm3 and an amount of functional groups bound to cellulose, hemicellulose, and lignin of 0.35 or more and 0.60 or less.
    Type: Application
    Filed: October 4, 2022
    Publication date: December 12, 2024
    Applicants: Daicel Corporation, Kyoto University
    Inventors: Yuka NAKAGAWA, Tomohiro HASHIZUME, Takashi WATANABE, Naoko KOBAYASHI, Kenji KITAYAMA
  • Publication number: 20240399774
    Abstract: A manufacturing method of a laminate includes: providing an optical mask layer on a substrate by printing a first pattern having AM screen tone with a screen ruling of 250 lines or less and having a halftone dotted region having a halftone dot area ratio of 0.5% to less than 99.5% on the substrate using a first ink, and printing a second pattern having a semi-translucent solid region having a print-area ratio of 99.5% or more and a light transmittance of 5% to less than 95% at a position overlapping the halftone dotted region of the first pattern using a second ink; providing a liquid crystal layer containing a liquid crystal compound and a photosensitive chiral agent on a side of the substrate opposite to the optical mask layer; and irradiating the liquid crystal layer with light through the optical mask layer to subject the photosensitive chiral agent to photoreaction.
    Type: Application
    Filed: August 9, 2024
    Publication date: December 5, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Yuka MATSUMOTO, Jun WATANABE
  • Publication number: 20240393342
    Abstract: A cell labeling molecule comprising a particle 101 having an identifiable property, an identification sequence 102 that is identifiable and corresponds to the property of the particle 101, a cleavable linker 103 that binds the particle 101 and the identification sequence 102, and a binding molecule 104 for binding to a cell, the binding molecule being bound to the identification sequence 102.
    Type: Application
    Filed: September 27, 2022
    Publication date: November 28, 2024
    Applicants: The University of Tokyo, RIKEN
    Inventors: Sadao OTA, Ken WATANABE, Fumiko KAWASAKI, Yuka MORI
  • Publication number: 20240360360
    Abstract: A quantum dot includes a core including Zn and Se, and a shell composed of ZnS and provided on a surface of the core, adjacently to the core. The quantum dot-emits blue light, is Cd free, and has a particle diameter within a range from 3 nm to 20 nm and a fluorescence lifetime in a thin film state of 50 ns or less.
    Type: Application
    Filed: January 28, 2021
    Publication date: October 31, 2024
    Inventors: Masaki YAMAMOTO, Kazuki GOTO, HIROHISA YAMADA, MASAYA UEDA, Yuko OGURA, Masanori TANAKA, Mikihiro TAKASAKI, Yuka TAKAMIZUMA, Soichiro NIKATA, Tetsuji ITO, Mayuko WATANABE
  • Publication number: 20240319624
    Abstract: A resin particle may comprise a binder resin, a crystalline polyester resin; and a release agent being in a plurality of domains, which have a domain diameter of 1 ?m or less; wherein more than 80% of a surface of each of the plurality of domains of the release agent is covered with the crystalline polyester resin, and a melting point of the crystalline polyester resin is higher than a melting point of the release agent.
    Type: Application
    Filed: March 22, 2024
    Publication date: September 26, 2024
    Inventors: Tsuneyasu NAGATOMO, Junichi WATANABE, Kohsuke SATOH, Yuka MIZOGUCHI
  • Patent number: 12078961
    Abstract: A toner includes a crystalline polyester resin and an amorphous polyester resin. A ratio of the storage modulus of the toner G? (To) at a temperature To to the storage modulus of the toner G? (To+3) at a temperature To+3 is greater than or equal to 10, in a case where the temperature To is within a range from 50° C. to 65° C.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: September 3, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuka Mizoguchi, Hiroshi Yamashita, Junichi Watanabe, Tomomi Harashima
  • Patent number: 12045006
    Abstract: There is provided an electrophotographic photosensitive member having drum shape, the electrophotographic photosensitive member including a support and a photosensitive layer, wherein an outer surface of the electrophotographic photosensitive member has wrinkles, and when an observation region having square form with one side of 100 ?m is placed at an arbitrary position on the outer surface, a line that passes through a central point of the observation region and is parallel to a circumferential direction of the electrophotographic photosensitive member is defined as a first reference line L1, and 3,599 reference lines obtained by rotating the first reference line L1 at every 0.1° around the central point are defined as L2 to L3,600, respectively, each of L1 to L3,600 intersects with convex portions of the wrinkles at a plurality of locations and has at least two different intersection angles selected from the plurality of locations.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: July 23, 2024
    Assignee: CANON KABU SHIKI KAISHA
    Inventors: Shuhei Iwasaki, Tomohito Ishida, Nobuhiro Nakamura, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka, Yota Ito, Takeshi Murakami
  • Patent number: 11933745
    Abstract: According to an embodiment, an inspection apparatus includes a communication interface and a processor. The communication interface acquires package information regarding a package being conveyed by a sorter that sorts the package and an operation signal generated based on an operation of an operator. The processor outputs reference information, based on past history in which inspection-result information indicating whether or not the package is a regulated-article candidate, generated based on the operation signal, and the package information are associated together, and the package information newly acquired.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: March 19, 2024
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Yuka Watanabe, Takuma Akagi, Masanori Sato, Kenichi Shimoyama
  • Publication number: 20230323178
    Abstract: Disproportionation in a refrigerant comprising HFO-1132 is suppressed. A composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and propane.
    Type: Application
    Filed: April 5, 2023
    Publication date: October 12, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuka WATANABE, Shun OHKUBO, Tomoyuki GOTOU
  • Publication number: 20230265329
    Abstract: An object of the present disclosure is to provide a composition having excellent stability of a refrigerant. Provided is a composition comprising a refrigerant and carbon, the refrigerant comprising at least one member selected from the group consisting of HFO-1234yf, HFO-1132(E/Z), HFO-1132a, HFO-1123, and FO-1114.
    Type: Application
    Filed: April 7, 2023
    Publication date: August 24, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki GOTOU, Takashi YOSHIMURA, Takashi USUI, Yuuko ITO, Yuka WATANABE
  • Publication number: 20230242801
    Abstract: An object of the present disclosure is to provide a composition in which a disproportionation reaction of a refrigerant is suppressed, and in which the refrigerant has excellent stability. Another object of the present disclosure is to provide a composition comprising a refrigerant useful for air-conditioning systems. The composition comprises a refrigerant, wherein the refrigerant comprises a refrigerant that undergoes disproportionation and a refrigerant that does not undergo disproportionation.
    Type: Application
    Filed: April 7, 2023
    Publication date: August 3, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki GOTOU, Takashi YOSHIMURA, Takashi USUI, Yuuko ITO, Yuka WATANABE, Youhei TAKAKURA, Takuma IWASAKA
  • Publication number: 20230242800
    Abstract: An object of the present disclosure is to provide a composition in which disproportionation of a refrigerant is suppressed, a heat cycle system using the composition, and a method for suppressing a disproportionation reaction of a refrigerant. A composition comprising a refrigerant and a refrigeration oil, the refrigerant comprising at least one refrigerant selected from the group consisting of HFO-1141, HFO-1132(E/Z), HFO-1132a, HFO-1123, and FO-1114, the refrigeration oil having a contact angle with a substrate of 0.1°???90°, the substrate comprising at least one member selected from the group consisting of engineering plastics, organic films, inorganic films, glass, and metals.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Tomoyuki GOTOU, Yuuki YOTSUMOTO, Takashi YOSHIMURA, Yuuko ITO, Yuka WATANABE
  • Publication number: 20230203357
    Abstract: A pressure increase in a compressor is suppressed. Disclosed is a method that uses a composition as a refrigerant in a refrigerant circuit, in which the composition includes one or more compounds selected from the group consisting of ethylene-based fluoroolefins, 2,3,3,3-tetrafluoropropene, and 1,3,3,3-tetrafluoropropene, and in the refrigerant circuit, the total internal volume of a refrigerant pipe and a component that are connected to a compressor is greater than or equal to 0.7 times the internal volume of the compressor.
    Type: Application
    Filed: March 3, 2023
    Publication date: June 29, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuka WATANABE, Tomoyuki GOTOU, Yuuko ITOU, Takashi USUI, Takashi YOSHIMURA
  • Publication number: 20230203356
    Abstract: The propagation of a disproportionation reaction of a refrigerant is suppressed. Disclosed is a method that uses a composition as a refrigerant in a refrigerant circuit, in which the composition includes one or more compounds selected from the group consisting of ethylene-based fluoroolefins, 2,3,3,3-tetrafluoropropene, and 1,3,3,3-tetrafluoropropene, and the refrigerant circuit includes a compressor, a four-way switching valve, and a first refrigerant pipe connecting the compressor and the four-way switching valve, the first refrigerant pipe having a pipe diameter less than or equal to ? inch or a length greater than or equal to 5 cm.
    Type: Application
    Filed: March 1, 2023
    Publication date: June 29, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuka WATANABE, Tomoyuki GOTOU, Yuuko ITOU, Takashi USUI, Takashi YOSHIMURA
  • Publication number: 20230159810
    Abstract: The propagation of a disproportionation reaction of a refrigerant is suppressed. Disclosed is a method of using a composition as a refrigerant in a compressor, in which the composition includes one or more compounds selected from the group of ethylene-based fluoroolefins, 2,3,3,3-tetrafluoropropene, and 1,3,3,3-tetrafluoropropene, and the dimension of a gap of a predetermined portion through which the refrigerant flows around an ignition energy generation portion in the compressor is less than or equal to 2 mm.
    Type: Application
    Filed: January 11, 2023
    Publication date: May 25, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Tomoyuki GOTOU, Takashi YOSHIMURA, Yuuko ITOU, Yuka WATANABE, Takuma IWASAKA, Youhei TAKAKURA, Yuuki YOTSUMOTO
  • Publication number: 20230146651
    Abstract: The propagation of a disproportionation reaction of a refrigerant is suppressed. Disclosed is a method that uses a composition as a refrigerant in a compressor, in which the composition includes one or more compounds selected from the group of ethylene-based fluoroolefins, 2,3,3,3-tetrafluoropropene, and 1,3,3,3-tetrafluoropropene, and the flow rate of the refrigerant flowing through a region around an ignition energy generation portion in the compressor under a predetermined high-pressure condition is greater than or equal to 1 m/s.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 11, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki GOTOU, Takashi YOSHIMURA, Takashi USUI, Yuuko ITOU, Yuka WATANABE, Takuma IWASAKA, Youhei TAKAKURA, Yuuki YOTSUMOTO, Satoshi TOKUNO, Ryohei DEGUCHI
  • Publication number: 20230139313
    Abstract: The propagation of a disproportionation reaction of a refrigerant is suppressed. Disclosed is a method that uses a composition as a refrigerant in a compressor, in which the composition includes one or more compounds selected from the group of ethylene-based fluoroolefins, 2,3,3,3-tetrafluoropropene, and 1,3,3,3-tetrafluoropropene, and the flow rate of the refrigerant flowing through a discharge pipe of the compressor under a predetermined high-pressure condition is greater than or equal to 1 m/s.
    Type: Application
    Filed: December 29, 2022
    Publication date: May 4, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki GOTOU, Takashi YOSHIMURA, Takashi USUI, Yuuko ITOU, Yuka WATANABE, Takuma IWASAKA, Youhei TAKAKURA, Yuuki YOTSUMOTO, Satoshi TOKUNO, Ryohei DEGUCHI