Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769610 | Credit card double authentication system | Takaaki Habara, Norikazu Yamagishi, Mutsuharu Takesada, Noriaki Shiomi, Hikaru Numoto +1 more | 2004-08-03 |
| 6122257 | Method for collecting information about physical constitution of lan system, method of specifying collision terminals, and method for detecting noise-generated position | Naoyoshi Machida, Hiromi Kawaguchi, Mineo Ogino, Masahiko Kurata, Masato Tachibana +1 more | 2000-09-19 |