Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874692 | Monitoring center and service system of air conditioner | Keiji Satou, Masamichi Mochizuki, Tatsuya Sugiyama | 2005-04-05 |
| 6862259 | Optical lens, optical pickup apparatus, and optical disk apparatus using the same | Hiroyuki Sakakibara | 2005-03-01 |