Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621414 | Method of controlling coming and going personnel, and a system thereof | Yoshihiro Nishikawa, Sakae Gotou | 2003-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621414 | Method of controlling coming and going personnel, and a system thereof | Yoshihiro Nishikawa, Sakae Gotou | 2003-09-16 |