| 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 |
