Patents by Inventor Shoji Yahara

Shoji Yahara 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).

  • ORAL COMPOSITION FOR DENTURE WEARERS
    Publication number: 20120195838
    Abstract: Provided is an oral composition for denture wearers, which includes an antimicrobial substance of biological origin, is biocompatible, and has an antimicrobial activity. Specifically, provided is an antimicrobial oral composition for denture wearers including a component of common rush origin. The oral composition for denture wearers is placed in the mouth, and hence the oral composition for denture wearers including a component of common rush origin, which may also be used as a food additive, is safe for a living body and useful.
    Type: Application
    Filed: September 2, 2010
    Publication date: August 2, 2012
    Applicants: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, THE UNIVERSITY OF TOKUSHIMA
    Inventors: Yoshihito Naitou, Kenichi Hamada, Tetsuo Ichikawa, Yoichiro Miyake, Shoji Yahara
  • Anti-allergic hydroxybiphenyl compounds
    Patent number: 4650813
    Abstract: New hydroxybiphenyl compounds of the general formula: ##STR1## wherein R.sub.1 stands for a hydrogen atom or a hydroxyl group, R.sub.2 for a hydrogen atom or a hydroxyl group, R.sub.3 for a hydroxyl group, a group of the formula --CH.sub.2 --CH.dbd.CH.sub.2 or a group of the formula --CH.dbd.CH--CHO, R.sub.4 for a hydrogen atom or a group of the formula ##STR2## and R.sub.5 for a hydroxyl group or a group of the formula ##STR3## These compounds are obtained by extraction of "Tokoboku", i.e. dried cortex of Magnolia officinalis which belongs to the family Magnoliaceae. They are useful as pharmaceuticals or intermediates therefor, in particular as anti-allergics.
    Type: Grant
    Filed: March 6, 1985
    Date of Patent: March 17, 1987
    Assignee: Kabushiki Kaisha Tsmurajuntendo
    Inventors: Akihide Kooda, Itsuo Nishioka, Takeshi Nishiyori, Shoji Yahara
  • Hydroxybiphenyl compounds
    Patent number: 4537996
    Abstract: New hydroxybiphenyl compounds of the general formula: ##STR1## wherein R.sub.1 stands for a hydrogen atom or a hydroxyl group, R.sub.2 for a hydrogen atom or a hydroxyl group, R.sub.3 for a hydroxyl group, a group of the formula -CH.sub.2 -CH.dbd.CH.sub.2 or a group of the formula -CH.dbd.CH-CHO, R.sub.4 for a hydrogen atom or a group of the formula ##STR2## and R.sub.5 for a hydroxyl group or a group of the formula ##STR3## These compounds are obtained by extraction of "Tokoboku", i.e. dried cortex of Magnolia officinalis which belongs to the family Magnoliaceae. They are useful as pharmaceuticals or intermediates therefor, in particular as anti-allergics.
    Type: Grant
    Filed: September 22, 1983
    Date of Patent: August 27, 1985
    Assignee: Kabushiki Kaisha Tsumurajuntendo
    Inventors: Akihide Kooda, Itsuo Nishioka, Takeshi Nishiyori, Shoji Yahara