Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385231 | Unlocking system for use with cards | Kazuo Mizutani, Shigeru Kasugai, Masaharu Nakamura | 1983-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385231 | Unlocking system for use with cards | Kazuo Mizutani, Shigeru Kasugai, Masaharu Nakamura | 1983-05-24 |