Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109527 | Handy image scanner | Haruyuki Koizumi, Kouji Ono, Hideki Chujyo | 2000-08-29 |
| 5525790 | Handy image scanner | Haruyuki Koizumi, Kouji Ono, Hideki Chuiyo | 1996-06-11 |
| 5175422 | Handy image scanner | Haruyuki Koizumi, Kouji Ono, Hideki Chuiyo | 1992-12-29 |