Tokahiro Seki

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Nylon capsule responding to pH

    • Patent number 4,548,955
    • Issue date Oct 22, 1985
    • Sogo Pharmaceutical Company Limited
    • Yoshio Okahata
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE