Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7473721 | Nanocomposite material for the production of index of refraction gradient films | Takamasa Harada, Fumio Kita, Andreas Zimmermann, Martin Mennig, Peter W. Oliveira +2 more | 2009-01-06 |
| 7390532 | Method for the production of optical elements with gradient structures | Martin Mennig, Peter W. Oliveira, Helmut Schmidt, Heike Schneider | 2008-06-24 |
| 6020419 | Transparent coating compositions containing nanoscale particles and having improved scratch resistance | Manfred Bock, Theodor Engbert, Stefan Groth, Bernd Klinksiek, Philip E. Yeske +1 more | 2000-02-01 |