Patents by Inventor Junichi Ohya

Junichi Ohya 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).

  • Downflow liquid film type condensation evaporator
    Patent number: 6338384
    Abstract: A downflow reboiler-condenser which can distribute and introduce an evaporating fluid (fluid to be evaporated) uniformly and securely into evaporation passages and which can also achieve simplification of its structure and reduction in the fabrication cost. This reboiler-condenser is provided with a reservoir 36 above a heat exchanger core 34 and with liquid distributors 37 located above evaporation passages 33 respectively. The liquid distributors 37 distribute the evaporating fluid collected in the reservoir 36 into the evaporation passages 33 uniformly.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: January 15, 2002
    Assignee: Nippon Sanso Corporation
    Inventors: Seiichi Sakaue, Hideyuki Hashimoto, Junichi Ohya
  • Amino acid derivatives of 6-(2-amino-2-arylacetamido)penicillanic acids
    Patent number: 4220587
    Abstract: Amino acid derivatives of 6-(2-amino-2-arylacetamido)penicillanic acids are prepared and shown to be useful as antibacterial agents.
    Type: Grant
    Filed: June 14, 1978
    Date of Patent: September 2, 1980
    Assignee: Mitsubishi Chemical Industries, Limited
    Inventors: Yoshiharu Morita, Kenzo Omata, Junichi Ohya, Kazuo Wagatsuma, Tadashi Shirasaka
  • Amino acid derivatives of 6-(2-amino-2-arylacetamido) penicillanic acids
    Patent number: 4179437
    Abstract: Amino acid derivatives of 6-(2-amino-2-arylacetamido) penicillanic acids are prepared and shown to be useful as antibacterial agents.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: December 18, 1979
    Assignee: Mitsubishi Chemical Industries Limited
    Inventors: Yoshiharu Morita, Kenzo Omata, Junichi Ohya, Kazuo Wagatsuma, Tadashi Shirasaka
  • 6-(2-Acylamino-2-arylacetamido)penicillanic acids
    Patent number: 4164577
    Abstract: 6-(2-ACYLAMINO-2-ARYLACETAMIDO)PENICILLANIC ACIDS ARE PREPARED AND SHOWN TO BE USEFUL AS ANTIBACTERIAL AGENTS.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: August 14, 1979
    Assignee: Mitsubishi Chemical Industries, Ltd.
    Inventors: Yoshiharu Morita, Junichi Ohya, Tadashi Shirasaka
  • Amino acid derivatives of 6-(2-amino-2-arylacetamido)penicillanic acids
    Patent number: 4111932
    Abstract: Amino acid derivatives of 6-(2-amino-2-arylacetamido)penicillanic acids are prepared and shown to be useful as antibacterial agents.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: September 5, 1978
    Assignee: Mitsubishi Chemical Industries Limited
    Inventors: Yoshiharu Morita, Kenzo Omata, Junichi Ohya, Kazuo Wagatsuma, Tadashi Shirasaka