Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439719 | Switching control circuit with off period adjustment | Yoshiaki Hachiya, Takashi Kunimatsu, Minoru Fukui | 2008-10-21 |
RA
Ryutarou Arakawa
Overall (All Time): #3,368,073 of 4,157,543Top 85%
1
Patents All Time