Patents by Inventor Tohru Makino

Tohru Makino 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).

  • Image reading device and image forming apparatus incorporating the image reading device
    Patent number: 12003678
    Abstract: An image reading device includes a reader, a transparent member, an opposing member, first and second conveyance rotators, and circuitry. The reader reads a sheet. The transparent member is disposed between the reader and the sheet. The opposing member is disposed facing the reader via the transparent member. The first conveyance rotator is disposed upstream from the reader in a conveyance direction of the sheet. The second conveyance rotator is disposed downstream from the reader in the conveyance direction. The circuitry cause the first conveyance rotator and the second conveyance rotator to convey a cleaning sheet at respective conveying speeds different from each other and bring the cleaning sheet into contact with at least one of the transparent member or the opposing member.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: June 4, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Kimiharu Yamazaki, Hideyo Makino, Susumu Mikajiri, Tohru Matsumoto, Satoshi Nakayama, Kohta Aoyagi, Ryosuke Ebinuma, Tatsuya Ishii
  • Method of forming a two-dimensional distribution image of ion concentration in a cell
    Patent number: 5097135
    Abstract: This invention relates to a method of forming a two-dimensional concentration distribution image of specific ions to be assayed in a living cell, on the basis of the variation in fluorescent spectrum or excitation spectrum of a fluorescent probe.
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: March 17, 1992
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Tohru Makino, Kazuho Ozaki, Atsuo Miyakawa