Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D638840 | Stylus pen capable of expansion and contraction | Hideaki Kamata | 2011-05-31 |
TA
Tetsuya Akama
Overall (2011): #150,499 of 364,097Top 45%
1
Patents 2011