Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650552 | Switching power supply unit with series connected converter circuits | Junichi Yamamoto, Katsuhiko Shimizu, Toshiyuki Zaitsu | 2003-11-18 |
MT
Masakazu Takagi
Overall (2003): #161,321 of 273,478Top 60%
1
Patents 2003