Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8297970 | Orthodontic bracket | Toshimitsu Ohki | 2012-10-30 |
| 6354834 | Orthodontic supporting structure | Katsuyuki Nakagawa, Yoshiharu Shin | 2002-03-12 |
| 5921774 | Supporting body for use in orthodontic appliance and method | Katsuyuki Nakagawa | 1999-07-13 |
| 5762492 | Orthodontic appliance | Katsuyuki Nakagawa | 1998-06-09 |