Patents by Inventor Goroh Katsuyama

Goroh Katsuyama 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).

  • Electronic copying machine
    Patent number: D443886
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: June 19, 2001
    Assignee: Ricoh Company, Ltd.
    Inventors: Masaaki Kabumoto, Kazuyoshi Yamada, Yoshihisa Minakawa, Taijiroh Sueishi, Goroh Katsuyama
  • Electronic copying machine
    Patent number: D425108
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: May 16, 2000
    Assignee: Ricoh Company, Ltd.
    Inventors: Masaaki Kabumoto, Kazuyoshi Yamada, Yoshihisa Minakawa, Taijiroh Sueishi, Goroh Katsuyama
  • Control panel for electronic copying machine
    Patent number: D426259
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: June 6, 2000
    Assignee: Ricoh Company, Ltd.
    Inventors: Masaaki Kabumoto, Kazuyoshi Yamada, Yoshihisa Minakawa, Taijiroh Sueishi, Goroh Katsuyama
  • Sheet feeder for electronic copying machine
    Patent number: D426260
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: June 6, 2000
    Assignee: Ricoh Company, Ltd.
    Inventors: Masaaki Kabumoto, Kazuyoshi Yamada, Yoshihisa Minakawa, Taijiroh Sueishi, Goroh Katsuyama
  • Electronic copying machine
    Patent number: D428914
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: August 1, 2000
    Assignee: Ricoh Company, Ltd.
    Inventors: Masaaki Kabumoto, Kazuyoshi Yamada, Yoshihisa Minakawa, Taijiroh Sueishi, Goroh Katsuyama
  • Stacker for electronic copying machine
    Patent number: D429275
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: August 8, 2000
    Assignee: Ricoh Company, Ltd.
    Inventors: Masaaki Kabumoto, Kazuyoshi Yamada, Yoshihisa Minakawa, Taijiroh Sueishi, Goroh Katsuyama
  • Automatic document feeder for electronic copying machine
    Patent number: D429276
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: August 8, 2000
    Assignee: Ricoh Company, Ltd.
    Inventors: Masaaki Kabumoto, Kazuyoshi Yamada, Yoshihisa Minakawa, Taijiroh Sueishi, Goroh Katsuyama
  • Printer
    Patent number: D429278
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: August 8, 2000
    Assignee: Ricoh Company, Ltd.
    Inventors: Goroh Katsuyama, Ryohta Yano, Kazuyuki Saitoh
  • Electronic copying machine
    Patent number: D432160
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: October 17, 2000
    Assignee: Ricoh Company, Ltd.
    Inventors: Masaaki Kabumoto, Kazuyoshi Yamada, Yoshihisa Minakawa, Taijiroh Sueishi, Goroh Katsuyama