Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7633375 | Information security system, its server and its storage medium | Kenji Oosawa, Yuji Morita | 2009-12-15 |
| 5583540 | Input apparatus for digitizer tablet | Katsuto Kishi, Takashi Tanabe | 1996-12-10 |
| 4190164 | Random automatic selector | — | 1980-02-26 |