Yasuyoshi Numajiri

Person

  • Shizuoka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electric lamp assembly

    • Patent number 4,879,491
    • Issue date Nov 7, 1989
    • Koito Seisakusho Co., Ltd.
    • Yasuo Hirozumi
    • F21 - LIGHTING