Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858832 | Photoelectric sensor having time changing means | Daisuke Hayakawa | 2005-02-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858832 | Photoelectric sensor having time changing means | Daisuke Hayakawa | 2005-02-22 |