Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402385 | Memory card | Yuzou Matsuo | 1995-03-28 |
| 5282113 | Memory card with a plurality of contact spaces | Kyoichi Kohama, Yoshio Imai | 1994-01-25 |
| 5069989 | Alkaline cell | Yoshio Uetani, Kazuo Ishida | 1991-12-03 |
| 4864542 | Memory cartridge having stored data protecting function and memory protecting method | Toshio Oshima | 1989-09-05 |
| 4814924 | Composite memory device | — | 1989-03-21 |