Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8970854 | Document management system, document management apparatus, computer-readable medium and computer data signal | — | 2015-03-03 |
| 6010406 | Operation device for game machine | Shinji Hirano, Kazuhito Ooshita | 2000-01-04 |
| 5973797 | Image reading apparatus | Katsunari TANAKA, Tomoyuki Yamada, Daisuke KONO, Hiroshi Hayashi, Kazuhiko Minowa | 1999-10-26 |