Patents by Inventor Kohsuke Tsunashima

Kohsuke Tsunashima 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).

  • Abnormality diagnosing method, condition appraisal apparatus, image forming apparatus, management apparatus and management system
    Patent number: 7539599
    Abstract: Abnormality diagnosing method in which a highly reliable abnormality diagnosis of an image forming apparatus can be initiated immediately following the delivery of the image forming apparatus to a user.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: May 26, 2009
    Assignee: Ricoh Company, Ltd.
    Inventors: Kunio Hasegawa, Yasuhiko Saka, Kohsuke Tsunashima, Mitsuo Hasebe, Shigeru Mita
  • Abnormality diagnosing method, condition appraisal apparatus, image forming apparatus, management apparatus and management system
    Publication number: 20050193027
    Abstract: Abnormality diagnosing method in which a highly reliable abnormality diagnosis of an image forming apparatus can be initiated immediately following the delivery of the image forming apparatus to a user. A plurality of sets of data of a plurality of types of information related to the condition of an image forming apparatus are acquired for a plurality of electronic devices of the same type comprising the image forming apparatus that serves as the subject for appraisal during operation tests following the manufacture of said image forming apparatus. A reference data group containing all of the plurality of sets of data acquired during the operation tests on the plurality of image forming apparatuses is employed as an initial reference data group for determining an index value calculation equation for calculating a condition appraisal index value.
    Type: Application
    Filed: February 11, 2005
    Publication date: September 1, 2005
    Inventors: Kunio Hasegawa, Yasuhiko Saka, Kohsuke Tsunashima, Mitsuo Hasebe, Shigeru Mita