Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7166969 | Drive circuit for illumination unit | — | 2007-01-23 |
| 7129813 | Wound-rotor transformer and power source device using said wound-rotor transformer | — | 2006-10-31 |
| 7090387 | Back light illuminating unit | — | 2006-08-15 |
| 7015784 | Wound-rotor transformer and power source device using said wound-rotor transformer | — | 2006-03-21 |
| 6426585 | Thickness or length polarized piezoelectric transformer | — | 2002-07-30 |
| 6154179 | Underground or underwater antennas | — | 2000-11-28 |
| 4188339 | Process for preparing acrylamide aqueous solution | Yasumasa Yamaguchi | 1980-02-12 |