Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654690 | Fire alarm system | Seiko Ishikawa, Kazunori Ikami, Yoshihiko Hibino, Masaru Yasuda, Yasuhiro Funahashi +4 more | 1997-08-05 |
| 5252775 | Automatically up-dated apparatus for generating music | — | 1993-10-12 |
| 5155342 | Prepaid card processing device | — | 1992-10-13 |