Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032629 | Point-based customer tracking and maintenance incentive system | Hiroshi Nishikawa, Youichi Araki | 2011-10-04 |
| 7975049 | Point-based customer tracking and maintenance incentive system | Hiroshi Nishikawa, Youichi Araki | 2011-07-05 |