Patents by Inventor Mitsumasa Iwamoto

Mitsumasa Iwamoto 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).

  • DETECTION APPARATUS FOR DETECTING ELECTRIC FIELD DISTRIBUTION OR CARRIER DISTRIBUTION BASED ON THE INTENSITY OF HIGH-ORDER HARMONICS
    Publication number: 20120032687
    Abstract: A detection apparatus having means for evaluating generation and disappearance of a carrier is provided. A detection apparatus detects, on the basis of high-order harmonics, an electric field distribution or a carrier distribution between electrodes arranged on an object to be observed.
    Type: Application
    Filed: February 3, 2011
    Publication date: February 9, 2012
    Inventors: Mikio KYOMASU, Mitsumasa Iwamoto, Takaaki Manaka, Dai Taguchi, Tetsushu Karasuda, Masaki Sakakibara, Fumihiro Takahashi
  • Organic semiconductor device and method of producing the same
    Publication number: 20050211977
    Abstract: The organic semiconductor device of the present invention includes an organic semiconductor material and a conductive electrode contacting with the organic semiconductor material, wherein a quasi Fermi level of the organic semiconductor material and a Fermi level of the conductive electrode are optimized by using adjustment means, and a junction barrier between the organic semiconductor material and the conductive electrode is controlled.
    Type: Application
    Filed: March 18, 2005
    Publication date: September 29, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Tadahiko Hirai, Mitsumasa Iwamoto, Takaaki Manaka
  • Film comprised of at least one monomolecular layer and process for its preparation using a higher alkyl amine
    Patent number: 4939214
    Abstract: A film comprised of at least one monomolecular layer composed essentially of a polyimide having repeating units of the formula: ##STR1## wherein R.sup.1 is a tetravalent organic group and R.sup.2 is a bivalent organic group.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: July 3, 1990
    Assignees: Mitsubishi Kasei Corporation, Yoshio Imai, Taro Hino
    Inventors: Yoshio Imai, Taro Hino, Mitsumasa Iwamoto, Masa-aki Kakimoto, Masa-aki Suzuki, Toru Konishi
  • Process of making a liquid crystal element
    Patent number: 4921728
    Abstract: A liquid crystal element comprising opposed substrates, a liquid crystal nipped between said opposed substrates, and an aligning film formed on the surface of at least one of said substrates to effect substantially horizontal alignment of the liquid crystal molecules relative to said surface, which liquid crystal element is characterized by the fact that the molecules forming said aligning film are substantially aligned in themselves.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: May 1, 1990
    Assignee: Ricoh Company, Ltd.
    Inventors: Yasuyuki Takiguchi, Akihiko Kanemoto, Kiyohiro Uehara, Yoshio Imai, Taro Hino, Mitsumasa Iwamoto, Masaaki Kakimoto, Masaaki Suzuki