Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628103 | Power factor control apparatus and method | Shinichi Koyanagi, Hirofumi Araki | 2003-09-30 |
DS
Daisuke Sumiya
Overall (2003): #238,886 of 273,478Top 90%
1
Patents 2003