Patents Assigned to Kazuhiro Kudoh
  • Vertical organic transistor
    Patent number: 7002176
    Abstract: A vertical organic transistor comprises a substrate, a first electrode positioned over the substrate, a first semiconductor layer formed over the first electrode, a second electrode formed on the first semiconductor layer and shaped into a prescribed pattern, a second semiconductor layer formed over the second electrode and the first semiconductor layer, and a third electrode formed over the second semiconductor layer. The first semiconductor layer and the second semiconductor layer are made of different semiconductor materials.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: February 21, 2006
    Assignees: Ricoh Company, Ltd., Kazuhiro Kudoh
    Inventors: Hiroyuki Iechi, Kazuhiro Kudoh