Patents by Inventor Katsuhisa Ohsugi

Katsuhisa Ohsugi 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).

  • Biocidal compositions for industrial materials
    Patent number: 5504096
    Abstract: Disclosed herein is a method for preventing deterioration of an industrial material by using an azole derivative represented by the following formula ##STR1## wherein X means a halogen atom or a C.sub.1 -C.sub.5 alkyl, haloalkyl, phenyl, cyano or nitro group, n stands for 0 or an integer of 1-5, A denotes a nitrogen atom or CH, R.sub.1 and R.sub.2 mean individually a hydrogen atom or a C.sub.1 -C.sub.5 alkyl group, R.sub.3 denotes a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group, and when n is an integer of 2-5, Xs may be the same or different. A biocidal composition for the method is also disclosed.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: April 2, 1996
    Assignee: Kureha Kagaku Kogyo K.K.
    Inventors: Masato Arahira, Toshihide Saishoji, Katsuhisa Ohsugi, Satoru Kumazawa
  • Azole derivatives for protecting industrial materials from bacteria
    Patent number: 5292764
    Abstract: Disclosed herein is a method for preventing deterioration of an industrial material by using an azole derivative represented by the following formula ##STR1## wherein X means a halogen atom or a C.sub.1 -C.sub.5 alkyl, haloalkyl, phenyl, cyano or nitro group, n stands for 0 or an integer of 1-5, A denotes a nitrogen atom or CH, R.sub.1 and R.sub.2 mean individually a hydrogen atom or a C.sub.1 -C.sub.5 alkyl group, R.sub.3 denotes a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group, and when n is an integer of 2-5, Xs may be the same or different. A biocidal composition for the method is also disclosed.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: March 8, 1994
    Assignee: Kureha Kagaku Kogyo K.K.
    Inventors: Masato Arahira, Toshihide Saishoji, Katsuhisa Ohsugi, Satoru Kumazawa
  • Novel antibiotic compound
    Patent number: 4668627
    Abstract: A novel antibiotic compoudn 3-(6-isocyano-3,7-dioxatricyclo[4.1.0.0.sup.2,4 ]hept-4-yl)propenoic acid is produced by a newly isolated microorganism belonging to the genus Penicillium.
    Type: Grant
    Filed: June 27, 1985
    Date of Patent: May 26, 1987
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Katsuhisa Ohsugi, Junji Ichida, Eisaku Takahashi
  • Antibiotic compound
    Patent number: 4542154
    Abstract: A novel antibiotic compound 3-(6-isocyano-3,7-dioxatricyclo[4.1.0.0.sup.2,4 ]hept-4-yl)propenoic acid is produced by a newly isolated microorganism belonging to the genus Penicillium.
    Type: Grant
    Filed: July 8, 1983
    Date of Patent: September 17, 1985
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Katsuhisa Ohsugi, Junji Ichida, Eisaku Takahashi
  • Method of cultivating Methylomonas probus on methanol containing medium
    Patent number: 4106988
    Abstract: A new species of bacteria, Methylomonas probus, is cultured in a medium containing methanol as a sole carbon source to obtain propagated bacterial cells that can be utilized as an effective source of protein in feed and food.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: August 15, 1978
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Katsuhisa Ohsugi, Daizo Takeuchi, Masahiro Hamada, Tamotsu Kano