Patents by Inventor Tsuneo Miyahara

Tsuneo Miyahara 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).

  • Dental caries-preventive composition containing antibody
    Patent number: 4725428
    Abstract: There is provided a dental caries-preventive composition containing an antibody and a nonionic surface active agent, said antibody being obtained from an animal immunized with cells or cell components of Streptococcus mutans. The dental caries-preventive composition inhibits the formation of dental plaque and prevents dental caries. It keeps the antibody stable for a long period of time and hence permits the antibody to exhibit its effect with certainty over a long period of time.
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: February 16, 1988
    Assignee: Lion Corporation
    Inventors: Tsuneo Miyahara, Yoshihiro Harada, Katsuyuki Futakami
  • Caries-preventive composition
    Patent number: 4693888
    Abstract: A caries-preventive composition comprises an antibody obtained by immunizing a mammal with at least one antigen selected from the group consisting of Streptococcus mutans, its cell-wall fraction, fibrous substance fraction, glucosyltransferase fraction and protein antigen fraction, and a synergist selected from the group consisting of fluorine compounds, chlorhexidine and its salts, lytic enzymes, bacteriocins, glucosyltransferase inhibitors, proteases and dextranases.
    Type: Grant
    Filed: August 7, 1984
    Date of Patent: September 15, 1987
    Assignee: Lion Corporation
    Inventors: Tsuneo Miyahara, Yoshihiro Harada, Katsuyuki Futakami, Yasukuni Nishida, Ryoko Konishi
  • Oral compositions comprising hydroxamic acids and salts thereof
    Patent number: 4661342
    Abstract: There is provided an oral composition containing a hydroxamic acid represented by the formula R--CH.sub.2 --CO--NHOH (where R is an alkyl group or alkoxyphenyl group) or a salt thereof such as 2-(4-butoxyphenyl)acetohydroxamic acid, 2-(4-methoxyphenyl)acetohydroxamic acid, caprylohydroxamic acid, or laurohydroxamic acid. The oral composition prevents Streptococcus mutans from colonizing in the oral cavity and is effective in preventing dental caries and also in preventing and remedying periodontal disease.
    Type: Grant
    Filed: November 20, 1985
    Date of Patent: April 28, 1987
    Assignee: Lion Corporation
    Inventors: Yoji Yamazaki, Toshiyuki Okada, Tsuneo Miyahara