Patents by Inventor Shota OSHIMA

Shota OSHIMA 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).

  • Patent number: 11440778
    Abstract: Provided is a crane capable of changing a moment on a counterweight side without changing a total weight of the crane by using a simple method. The crane includes a base, and a swiveling body that is provided above the base so as to swivel about a pivot center, and includes a boom and a counterweight attaching unit. The counterweight attaching unit includes a plurality of attaching positions, and is configured to selectively attach and detach the counterweight to and from any attaching position among the plurality of attaching positions, and the plurality of attaching positions is positions of which distances from the pivot center are different from each other.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: September 13, 2022
    Assignee: TADANO LTD.
    Inventors: Masanori Oshima, Hiroto Ota, Yoshikado Itasaka, Shota Roppongi
  • Publication number: 20220100125
    Abstract: A conveying device includes a conveying member that conveys a spray-receiving medium to be sprayed with pressure sensitive adhesive particles having a pressure-induced phase transition property, containing at least a binder resin, and having a sulfur content of 0.1 mass % or more and 0.5 mass % or less relative to an entirety of the pressure sensitive adhesive particles as measured by X-ray fluorescence; and a removing member that contacts the conveying member and removes the pressure sensitive adhesive particles remaining on the conveying member.
    Type: Application
    Filed: May 6, 2021
    Publication date: March 31, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yasuhisa MOROOKA, Naoki OTA, Masataka KURIBAYASHI, Takafumi KOIDE, Yusuke FUKUDA, Katsuyuki KITAJIMA, Makoto KAMISAKI, Tatsuhiro IGARASHI, Shota OSHIMA, Yuma KUBO
  • Publication number: 20220091542
    Abstract: A particle conveying device includes a storage portion that stores pressure sensitive adhesive particles that contain at least a binder resin, have a pressure-induced phase transition property, and have a sulfur content in a range of 0.1 mass % or more and 0.5 mass % or less relative to the entire pressure sensitive adhesive particles as measured by X-ray fluorescence; and a conveying member that is disposed in the storage portion and rotates about a shaft that extends in one direction inside the storage portion to thereby convey the pressure sensitive adhesive particles in a direction along the shaft inside the storage portion.
    Type: Application
    Filed: February 8, 2021
    Publication date: March 24, 2022
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yusuke FUKUDA, Naoki OTA, Masataka KURIBAYASHI, Takafumi KOIDE, Katsuyuki KITAJIMA, Makoto KAMISAKI, Tatsuhiro IGARASHI, Yasuhisa MOROOKA, Shota OSHIMA, Yuma KUBO
  • Publication number: 20220091522
    Abstract: A delivery device includes a container that contains pressure sensitive adhesive particles that contain at least a binder resin, have a sulfur content of 0.1 mass % or more and 0.5 mass % or less relative to a total of the pressure sensitive adhesive particles as measured by X-ray fluorescence, and have a pressure-induced phase transition property, the container having a shape of a cylinder having a spiral recessed or projecting portion on an inner peripheral surface thereof; and a transmitting unit to which a rotary drive force from a driving unit that rotates the container is transmitted, the transmitting unit being disposed in the container.
    Type: Application
    Filed: February 2, 2021
    Publication date: March 24, 2022
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Naoki OTA, Masataka KURIBAYASHI, Takafumi KOIDE, Yusuke FUKUDA, Katsuyuki KITAJIMA, Makoto KAMISAKI, Yasuhisa MOROOKA, Shota OSHIMA, Yuma KUBO, Tatsuhiro IGARASHI
  • Patent number: 11112733
    Abstract: An image forming apparatus includes: a developing section that forms a toner image by developing an electrostatic latent image using toner. The toner satisfies the following relations: (ln?(T1)?ln?(T2))/(T1?T2)??0.14; (ln?(T2)?ln?(T3))/(T2?T3)??0.15; and (ln?(T1)?ln?(T2))/(T1?T2)<(ln?(T2)?ln?(T3))/(T2?T3), where ?(T1) represents a viscosity of the toner at 60° C., ?(T2) represents a viscosity of the toner at 90° C., and ?(T3) represents a viscosity of the toner at 130° C.).
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: September 7, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Jun Sekiya, Masataka Kuribayashi, Makoto Kamisaki, Shota Oshima
  • Patent number: 10831139
    Abstract: An image forming apparatus includes an image holding member; a charging unit; an electrostatic image forming unit; a developing unit that includes an electrostatic image developer that includes a toner; a transfer unit; and a fixing unit that fixes the toner image transferred on the surface of the recording medium to the recording medium. The fixing unit includes a fixing belt arranged to contact with the toner image transferred on the surface of the recording medium, a rotatable body arranged to be in contact with an outer peripheral surface of the fixing belt so as to form a contact region between the rotatable body and the fixing belt, the rotatable body transporting the recording medium in the contact region by rotating together with the fixing belt, and a heat source that heats the contact region formed between the fixing belt and the rotatable body.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: November 10, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Shota Oshima, Takafumi Koide, Makoto Kamisaki
  • Patent number: 10795305
    Abstract: An image forming apparatus includes an image carrier; a charging section that charges a surface of the image carrier; an electrostatic charge image forming section that forms an electrostatic charge image on the charged surface of the image carrier; a developing section that has a container containing an electrostatic charge image developer and develops the electrostatic charge image formed on the surface of the image carrier into a toner image using the electrostatic charge image developer, the electrostatic charge image developer including toner for electrostatic charge image development, the toner containing toner particles and an external additive; a transfer section that transfers the toner image formed on the surface of the image carrier to a surface of a recording medium; a cleaning section that has a cleaning blade with which the cleaning section cleans the surface of the image carrier; and a lubricant supplying section that has a lubricant supplying member that supplies a lubricant to the contact por
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: October 6, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masataka Kuribayashi, Makoto Kamisaki, Jun Sekiya, Shota Oshima
  • Publication number: 20200292969
    Abstract: An image forming apparatus includes: a developing section that forms a toner image by developing an electrostatic latent image using toner. The toner satisfies the following relations: (ln?(T1)?ln ?(T2))/(T1?T2)??0.14; (ln ?(T2)?ln ?(T3))/(T2?T3)??0.15; and (ln ?(T1)?ln ?(T2))/(T1?T2)<(ln ?(T2)?ln ?(T3))/(T2?T3), where ?(T1) represents a viscosity of the toner at 60° C., ?(T2) represents a viscosity of the toner at 90° C., and ?(T3) represents a viscosity of the toner at 130° C.).
    Type: Application
    Filed: August 8, 2019
    Publication date: September 17, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Jun SEKIYA, Masataka KURIBAYASHI, Makoto KAMISAKI, Shota OSHIMA
  • Publication number: 20200292983
    Abstract: An image forming apparatus includes: an image holding member; a charging unit that charges a surface of the image holding member; an electrostatic image forming unit that forms an electrostatic image on the charged surface of the image holding member; a developing unit that houses a toner for electrostatic image development and develops the electrostatic image formed on the surface of the image holding member with the toner to thereby form a toner image; a transfer unit that transfers the toner image formed on the surface of the image holding member onto a surface of a recording medium; a cleaning unit that includes a cleaning blade and cleans the surface of the image holding member; and a fixing unit that fixes the toner image transferred onto the surface of the recording medium. The cleaning blade has a contact portion that contacts the surface of the image holding member, the contact portion having a JIS-A hardness of from 90° to 130° inclusive.
    Type: Application
    Filed: August 29, 2019
    Publication date: September 17, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shota OSHIMA, Masataka KURIBAYASHI, Makoto KAMISAKI, Jun SEKIYA
  • Publication number: 20200292982
    Abstract: An image forming apparatus includes an image carrier; a charging section that charges a surface of the image carrier; an electrostatic charge image forming section that forms an electrostatic charge image on the charged surface of the image carrier; a developing section that has a container containing an electrostatic charge image developer and develops the electrostatic charge image formed on the surface of the image carrier into a toner image using the electrostatic charge image developer, the electrostatic charge image developer including toner for electrostatic charge image development, the toner containing toner particles and an external additive; a transfer section that transfers the toner image formed on the surface of the image carrier to a surface of a recording medium; a cleaning section that has a cleaning blade with which the cleaning section cleans the surface of the image carrier; and a lubricant supplying section that has a lubricant supplying member that supplies a lubricant to the contact por
    Type: Application
    Filed: August 21, 2019
    Publication date: September 17, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masataka KURIBAYASHI, Makoto Kamisaki, Jun Sekiya, Shota Oshima
  • Patent number: 10719041
    Abstract: An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic charge image forming unit that forms an electrostatic charge image on the charged surface of the image holding member, a developing unit that includes a developer containing toner particles containing a release agent having a melting temperature ranging from 60° C. to 100° C.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: July 21, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tatsuhiro Igarashi, Naoki Ota, Yusuke Fukuda, Makoto Kamisaki, Yasuhisa Morooka, Jun Sekiya, Teppei Yawada, Masataka Kuribayashi, Takafumi Koide, Katsuyuki Kitajima, Shota Oshima
  • Publication number: 20200073296
    Abstract: An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic latent image forming unit that forms an electrostatic latent image on the charged surface of the image holding member, a developing unit that includes a developer containing toner particles containing a release agent having a melting temperature ranging from 60° C. to 100° C.
    Type: Application
    Filed: April 2, 2019
    Publication date: March 5, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Katsuyuki KITAJIMA, Masataka KURIBAYASHI, Takafumi KOIDE, Teppei YAWADA, Shota OSHIMA
  • Publication number: 20200064760
    Abstract: An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic charge image forming unit that forms an electrostatic charge image on the charged surface of the image holding member, a developing unit that includes a developer containing toner particles containing a release agent having a melting temperature ranging from 60° C. to 100° C.
    Type: Application
    Filed: March 25, 2019
    Publication date: February 27, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tatsuhiro IGARASHI, Naoki OTA, Yusuke FUKUDA, Makoto KAMISAKI, Yasuhisa MOROOKA, Jun SEKIYA, Teppei YAWADA, Masataka KURIBAYASHI, Takafumi KOIDE, Katsuyuki KITAJIMA, Shota OSHIMA
  • Publication number: 20200064753
    Abstract: An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic latent image forming unit that forms an electrostatic latent image on the charged surface of the image holding member, a developing unit that develops the electrostatic latent image to form a toner image, a transferring unit that transfers the toner image to a first side of a recording medium, a fixing unit that allows the recording medium having the transferred toner image to pass through a nipping region to fix the toner image, a first charging unit that faces the first side of the recording medium and that charges particles, and a second charging unit that charges a second side of the recording medium to the opposite polarity to the charged particles after the recording medium passes through the nipping region.
    Type: Application
    Filed: April 1, 2019
    Publication date: February 27, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masataka KURIBAYASHI, Takafumi KOIDE, Katsuyuki KITAJIMA, Teppei YAWADA, Shota OSHIMA
  • Patent number: 10564565
    Abstract: An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic latent image forming unit that forms an electrostatic latent image on the charged surface of the image holding member, a developing unit that develops the electrostatic latent image to form a toner image, a transferring unit that transfers the toner image to a first side of a recording medium, a fixing unit that allows the recording medium having the transferred toner image to pass through a nipping region to fix the toner image, a first charging unit that faces the first side of the recording medium and that charges particles, and a second charging unit that charges a second side of the recording medium to the opposite polarity to the charged particles after the recording medium passes through the nipping region.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: February 18, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masataka Kuribayashi, Takafumi Koide, Katsuyuki Kitajima, Teppei Yawada, Shota Oshima
  • Patent number: 10558150
    Abstract: An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic latent image forming unit that forms an electrostatic latent image on the charged surface of the image holding member, a developing unit that includes a developer containing toner particles containing a release agent having a melting temperature ranging from 60° C. to 100° C.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: February 11, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Katsuyuki Kitajima, Masataka Kuribayashi, Takafumi Koide, Teppei Yawada, Shota Oshima
  • Patent number: 10488773
    Abstract: An image forming apparatus includes an image holding member, a developing device, and a supplying device including a storage unit and a transport unit, wherein the storage unit stores toner and includes a bag having a flexible material, the transport unit uses suction pressure to transport the toner from the storage unit and supplies to the developing device, the toner contains an amorphous polyester resin, toner particles of the toner have a weight average molecular weight Mw and a number average molecular weight Mn, the weight average molecular weight Mw is in a range of 25,000 to 60,000, a ratio Mw/Mn is in a range the range of 5 to 10, a ratio (P2/P1) of a peak height of an absorption peak of the toner particles at a wavenumber of 820 cm?1 (P2) to a peak height of the absorption peak at a wavenumber of 720 cm?1 (P1) is 0.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: November 26, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takafumi Koide, Masataka Kuribayashi, Yusuke Fukuda, Katsuyuki Kitajima, Teppei Yawada, Shota Oshima
  • Patent number: 10466607
    Abstract: An image forming apparatus includes an image holding member, a charging device that charges a surface of the image holding member, an electrostatic charge image forming device that forms an electrostatic charge image on the charged surface of the image holding member, a developing device that has an electrostatic charge image developer containing an electrostatic charge image developing toner and that develops the electrostatic charge image to form a toner image on the surface of the image holding member, and a transfer device that transfers the toner image onto a recording medium, wherein the transfer device includes a belt member and a transfer member, the belt member has an outer surface that contacts the image holding member, and the belt member is winding around the image holding member and the transfer member; and the toner has a binder resin containing an amorphous polyester resin.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: November 5, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takafumi Koide, Masataka Kuribayashi, Yusuke Fukuda, Katsuyuki Kitajima, Teppei Yawada, Shota Oshima, Masahiro Uchida
  • Publication number: 20190294066
    Abstract: An image forming apparatus includes an image holding member, a developing device, and a supplying device including a storage unit and a transport unit, wherein the storage unit stores toner and includes a bag having a flexible material, the transport unit uses suction pressure to transport the toner from the storage unit and supplies to the developing device, the toner contains an amorphous polyester resin, a toner particles has a weight average molecular weight Mw and a number average molecular weight Mn, the weight average molecular weight Mw is in the range of 25,000 to 60,000, the ratio Mw/Mn is in the range of 5 to 10, the ratio (P2/P1) of the peak height of the absorption peak of the toner particles at a wavenumber of 820 cm?1 (P2) to the peak height of the absorption peak at a wavenumber of 720 cm?1 (P1) is 0.
    Type: Application
    Filed: September 10, 2018
    Publication date: September 26, 2019
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takafumi KOIDE, Masataka KURIBAYASHI, Yusuke FUKUDA, Katsuyuki KITAJIMA, Teppei YAWADA, Shota OSHIMA
  • Publication number: 20190286045
    Abstract: An image forming apparatus includes an image holding member, a charging unit, an electrostatic charge image forming unit, a developing unit, a transfer unit, and a cleaning unit having a cleaning blade that is in contact with the surface of the image holding member to clean the surface of the image holding member, wherein in the cleaning device, a variation in a load applied by the cleaning blade to the image holding member in a slide test is 1.5 gf/mm or less, wherein in the slide test, an image holding member which has a diameter of 30 mm and with which the cleaning blade is in contact at a contact angle of 23° and a pressing pressure of 4.0 gf/mm is rotated 100,000 times at a rotational speed of 175 mm/sec to slide the cleaning blade.
    Type: Application
    Filed: August 23, 2018
    Publication date: September 19, 2019
    Applicant: FUJI XEROX CO.,LTD.
    Inventors: Masataka KURIBAYASHI, Takafumi KOIDE, Yusuke FUKUDA, Katsuyuki KITAJIMA, Makoto KAMISAKI, Teppei YAWADA, Shota OSHIMA