Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781852 | Switching power supply using a transformer, rectifier, control circuit and voltage generating circuits | Masaharu Hatta, Masato Watanabe | 2004-08-24 |
HH
Haruhiko Hatakeyama
Overall (2004): #214,397 of 270,089Top 80%
1
Patents 2004