Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7472147 | Random number string output apparatus, random number string output method, program, and information recording medium | Ken Umeno | 2008-12-30 |
| 7411997 | Apparatus and method for filtering a spectrum spread communication | Ken Umeno, Akihiro Yamaguchi | 2008-08-12 |