Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D531616 | Speaker | Yachiyo Shimokawatoko, Kenji Yamauchi | 2006-11-07 |
| D526309 | Speaker | Kenji Yamauchi, Yasuyuki Ito, Yachiyo Shimokawatoko | 2006-08-08 |
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Naoyuki Ozawa
Overall (All Time): #2,171,826 of 4,157,543Top 55%
2
Patents All Time