Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7724413 | Speckle removing light source and lighting apparatus | Yasuharu Koyata, Yoshihito Hirano, Kiyohide Sakai, Masao Imaki, Shinsuke Shikama +3 more | 2010-05-25 |
| 7643707 | Lighting apparatus | Yasuharu Koyata, Yoshihito Hirano, Kiyohide Sakai, Masao Imaki, Shinsuke Shikama +3 more | 2010-01-05 |