Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10698202 | Compound diffraction grating and method of manufacture | Jyrki Kimmel, Jan Peter Erik Eskolin, Toni Jarvenpaa, Jyrki SAARINEN, Seppo Honkanen | 2020-06-30 |
| 7712942 | Backlighting light pipe for illuminating a flat-panel display | Marko Parikka, Markku Kuittinen | 2010-05-11 |
| 7192175 | Backlighting light pipe for illuminating a flat-panel display | Marko Parikka, Markku Kuittinen | 2007-03-20 |
| 7149385 | Optical coupling arrangement | Marko Parikka | 2006-12-12 |
| 7114820 | Backlighting light pipe for illuminating a flat-panel display | Marko Parikka, Markku Kuittinen | 2006-10-03 |