TREA

Ryoichi Kawasumi

Follow

Person

  • Ibaraki, JP
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    INPUT DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20250047794
    • Publication date Feb 6, 2025
    • Canon Kabushiki Kaisha
    • Yoshiyuki Nakayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20240419118
    • Publication date Dec 19, 2024
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS THAT COOLS AN EXPOSURE DEVICE
    • Publication number 20240353773
    • Publication date Oct 24, 2024
    • Canon Kabushiki Kaisha
    • Ryoichi KAWASUMI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20240319658
    • Publication date Sep 26, 2024
    • Canon Kabushiki Kaisha
    • HIROKI TAKANO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    POWER FEED PATH UNIT, IMAGE FORMING APPARATUS, AND ASSEMBLY METHOD...
    • Publication number 20240192631
    • Publication date Jun 13, 2024
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20240126205
    • Publication date Apr 18, 2024
    • Canon Kabushiki Kaisha
    • TAKEHIRO ISHIDATE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    INPUT DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20240056535
    • Publication date Feb 15, 2024
    • Canon Kabushiki Kaisha
    • Yoshiyuki Nakayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230350333
    • Publication date Nov 2, 2023
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230324827
    • Publication date Oct 12, 2023
    • Canon Kabushiki Kaisha
    • TAKEHIRO ISHIDATE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230324848
    • Publication date Oct 12, 2023
    • Canon Kabushiki Kaisha
    • RYOICHI KAWASUMI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230315009
    • Publication date Oct 5, 2023
    • Canon Kabushiki Kaisha
    • TAKEHIRO ISHIDATE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230288839
    • Publication date Sep 14, 2023
    • Canon Kabushiki Kaisha
    • RYOICHI KAWASUMI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230288840
    • Publication date Sep 14, 2023
    • Canon Kabushiki Kaisha
    • RYOICHI KAWASUMI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230288869
    • Publication date Sep 14, 2023
    • Canon Kabushiki Kaisha
    • RYOICHI KAWASUMI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230288837
    • Publication date Sep 14, 2023
    • Canon Kabushiki Kaisha
    • RYOICHI KAWASUMI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20230288866
    • Publication date Sep 14, 2023
    • Canon Kabushiki Kaisha
    • HIROKI TAKANO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    INPUT DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20230188656
    • Publication date Jun 15, 2023
    • Canon Kabushiki Kaisha
    • Yoshiyuki Nakayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20220365474
    • Publication date Nov 17, 2022
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20220365480
    • Publication date Nov 17, 2022
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    INPUT DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20220329703
    • Publication date Oct 13, 2022
    • Canon Kabushiki Kaisha
    • Yoshiyuki Nakayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    POWER FEED PATH UNIT, IMAGE FORMING APPARATUS, AND ASSEMBLY METHOD...
    • Publication number 20220091555
    • Publication date Mar 24, 2022
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    INPUT DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20210329137
    • Publication date Oct 21, 2021
    • Canon Kabushiki Kaisha
    • Yoshiyuki Nakayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20210232078
    • Publication date Jul 29, 2021
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    METAL FRAME OF IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS
    • Publication number 20210063945
    • Publication date Mar 4, 2021
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    INPUT DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20200288026
    • Publication date Sep 10, 2020
    • Canon Kabushiki Kaisha
    • Yoshiyuki Nakayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20200201238
    • Publication date Jun 25, 2020
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20200201239
    • Publication date Jun 25, 2020
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    INPUT DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20190335046
    • Publication date Oct 31, 2019
    • Canon Kabushiki Kaisha
    • Yoshiyuki Nakayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20190332053
    • Publication date Oct 31, 2019
    • Canon Kabushiki Kaisha
    • Ryoichi Kawasumi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    INPUT DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20190037089
    • Publication date Jan 31, 2019
    • Canon Kabushiki Kaisha
    • Yoshiyuki Nakayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE