Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7894133 | Optical element and optical device | Hideaki Hirai, Kazuhiro Umeki, Yasuhiro Fujimura | 2011-02-22 |
YK
Yoshiyuki Kiyosawa
Overall (2011): #123,074 of 364,097Top 35%
1
Patents 2011