Patents by Inventor Syuji Iino

Syuji Iino 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).

  • Photosensitive member having an overcoat layer comprising amorphous carbon
    Patent number: 4882256
    Abstract: A photosensitive member of the present invention comprises an electrically conductive substrate, a photoconductive layer comprising an organic material and a hydrogen-containing amorphous carbon overcoat layer containing one or more atoms selected from the group consisting of halogen, oxygen and nitrogen.The overcoat layer contains hydrogen in an amount of about 5 to about 50 atomic % based on the combined amount of hydrogen atoms and carbon atoms.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: November 21, 1989
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Izumi Osawa, Syuji Iino, Hideo Hotomi, Kenji Masaki, Isao Doi
  • Photosensitive member comprising charge generating layer and charge transporting layer comprising amorphous carbon containing chalogen or transition metal
    Patent number: 4876168
    Abstract: A photosensitive member comprising an electrically conductive substrate, a charge generating layer and a charge transporting layer comprising amorphous carbon which contains hydrogen.The charge transporting layer contains about 0.1 to about 10 atomic % of chalcogen atoms or transition metal elements based on all the constituent atoms therein.The photosensitive member of this construction is excellent in electrophotographic characteristics inclusive of charge transportability and charging ability.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: October 24, 1989
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Hideo Hotomi, Izumi Osawa, Syuji Iino, Isao Doi, Masanori Fujiwara
  • Photosensitive member comprising charge generating layer and charge transporting layer
    Patent number: 4871632
    Abstract: A photosensitive member of the present invention comprises an electrically conductive substrate, a hydrogenated and/or halogenated amorphous silicon:germanium charge generating layer and a hydrogen-containing amorphous carbon charge transporting layer which contains halogen and oxygen and/or nitrogen. The charge generating layer may further contain various elements such as boron or phosphorus, oxygen, nitrogen and carbon as a chemical modifier.
    Type: Grant
    Filed: September 25, 1987
    Date of Patent: October 3, 1989
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Syuji Iino, Izumi Osawa, Hideo Hotomi
  • Photosensitive member comprising charge generating layer and charge transporting layer
    Patent number: 4868076
    Abstract: A photosensitive member of the present invention comprises an electrically conductive substrate, a hydrogenated and/or halogenated amorphous silicon:germanium charge generating layer and a hydrogen-containing amorphous carbon charge transporting layer which contains oxygen and/or nitrogen. The charge generating layer may further contain various elements such as boron or phosphorus, oxygen, nitrogen and carbon as a chemical modifier.
    Type: Grant
    Filed: September 25, 1987
    Date of Patent: September 19, 1989
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Syuji Iino, Izumi Osawa, Hideo Hotomi
  • Photosensitive member comprising charge generating layer and charge transporting layer and process for preparing same
    Patent number: 4851313
    Abstract: A photosensitive member of the present invention comprises an electrically conductive substrate, a charge generating layer and a charge transporting layer comprising amorphous carbon which contains a chain hydrocarbon and a cyclic hydrocarbon.The charge transporting layer is formed by using a chain hydrocarbon and a cyclic hydrocarbon such that the flow rate ratio of the former to the latter is preferably 19:1-1:19.The photosensitive member of this construction is excellent in electrophotographic characteristics inclusive of charge transportability and charging ability.
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: July 25, 1989
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Izumi Osawa, Syuji Iino, Hideo Hotomi, Mitsutoshi Nakamura, Isao Doi
  • Photosensitive member comprising charge generating layer and charge transporting layer
    Patent number: 4797338
    Abstract: A photosensitive member of the present invention comprises an electrically conductive substrate, an evaporated layer of phthalocyanine compounds as a charge generating layer and a hydrogen-containing amorphous carbon layer as a charge transporting layer.The charge transporting layer contains hydrogen in an amount of about 30 to about 60 atomic % based on the combined amount of hydrogen atoms and carbon atoms.
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: January 10, 1989
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Syuji Iino, Hideo Hotomi, Noboru Saeki, Masanori Fujiwara, Fumiko Uchino, Izumi Osawa