Patents by Inventor Yoshiomi Kosaka

Yoshiomi Kosaka 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).

  • Antiviral filter air cleaner impregnated with tea extract
    Patent number: 5747053
    Abstract: The present invention provides a medicated gargling cup with which it is possible to form a liquid for gargling effective for preventing cold by merely pouring water into the cup; an antiviral mask having a nonwoven fabric impregnated with a tea extract, which mask can be easily produced commercially and is capable of maintaining a high virus trapping performance, inactivating the trapped viruses and preventing them from being rescattered; an antiviral filter and an antifungal, antibacterial and antiviral filter comprising in laminations a dust collecting filter and a filter impregnated with a tea extract; an air cleaner and an air cleaner-humidifier comprising the antiviral filter.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: May 5, 1998
    Assignees: Matsushita Seiko Co., Ltd., Mitsui Norin Co., Ltd.
    Inventors: Kazuo Nashimoto, Yoshikazu Tashiro, Yoshiomi Kosaka, Yukihiko Hara