Masako Hacchow

Person

  • Hachiooji, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic lens apparatus

    • Patent number 4,967,873
    • Issue date Nov 6, 1990
    • Olympus Optical Co., Ltd.
    • Masako Hacchow
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS