Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D682947 | Extended control device for portable electronic computer | Yuki Tanaguchi, Munetaka Nishikawa | 2013-05-21 |
| D638840 | Stylus pen capable of expansion and contraction | Hideaki Kamata | 2011-05-31 |