Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11914767 | Glint-based eye tracker illumination using dual-sided and dual-layered architectures | Marco Mattila, Simo Tammela, Pasi Kostamo, Klaus Henrik Valtteri Kalima, Mervi Kaarina Ylä-Jarkko | 2024-02-27 |
| 11397465 | Glint-based eye tracker illumination using dual-sided and dual-layered architectures | Marco Mattila, Simo Tammela, Pasi Kostamo, Klaus Henrik Valtteri Kalima, Mervi Kaarina Ylä-Jarkko | 2022-07-26 |
| 11175509 | Tuned waveguides | Simo Tammela, Heikki Juhana Hyvarinen, Lasse Pekka Karvonen, Andreas Langner, Pietari Tuomisto | 2021-11-16 |
| 11131807 | Pupil expander with improved color uniformity | Jani Kari Tapio Tervo, Heikki Juhana Hyvarinen | 2021-09-28 |
| 9423360 | Optical components | Pasi Kostamo | 2016-08-23 |
| 7978976 | Optical data transmission system | Olli-Pekka Pohjola, Harri Jarvinen, Markku Anttoni Oksanen | 2011-07-12 |
| 7796888 | Secure upstream transmission in passive optical networks | Olli-Pekka Pohjola | 2010-09-14 |
| 7593638 | Secure upstream transmission in passive optical networks | Olli-Pekka Pohjola | 2009-09-22 |
| 7499600 | Method for characterizing a digital imaging system | Harri Ojanen | 2009-03-03 |
| 7376299 | Optical bi-directional rotary hinge | Marcus Schorpp | 2008-05-20 |
| 7042371 | Optical keyboard with geodesic optical elements | Markku Anttoni Oksanen | 2006-05-09 |
| 6678080 | Optical add/drop multiplexer | Markku Anttoni Oksanen | 2004-01-13 |
| 6421149 | Protection in an optical telecommunications system | Markku Anttoni Oksanen | 2002-07-16 |
| 6366378 | Optical multiplexing and demultiplexing | Jaakko Aarnio | 2002-04-02 |
| 6359730 | Amplification of an optical WDM signal | — | 2002-03-19 |
| 5160523 | Method of producing optical waveguides by an ion exchange technique on a glass substrate | Seppo Honkanen | 1992-11-03 |
| 5035734 | Method of producing optical waveguides | Seppo Honkanen, Simo Tammela | 1991-07-30 |