Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357366 | Method of making an optical memory disk and a product thereby | Takashi Takaoka, Masahiko Mochizuki, Mitsuo Yamashita | 1982-11-02 |
| 4357636 | Magnetic tape device | Chiaki Taketomi, Keiji Akiba, Koji Hirose | 1982-11-02 |