Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578088 | Automatic address distributing system | Shuji Ohno, Tatsuya Watanuki, Takashi Kitayama | 2003-06-10 |
| 6219715 | Automatic address distributing system | Shuji Ohno, Tatsuya Watanuki, Takashi Kitayama | 2001-04-17 |
| 5845061 | Redundant client server system | Takahisa Miyamoto, Toshikazu Yasue, Shuji Ohno | 1998-12-01 |