Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12401778 | Multi-frame decomposition method for image rendering on multilayer displays | Markku Alamaki | 2025-08-26 |
| 12395617 | Optical method and system for light field (LF) displays based on tunable liquid crystal (LC) diffusers | — | 2025-08-19 |
| 12383153 | Low power optical measurements | Olli Petteri Heikkinen, Mika Petteri Kangas, Jaakko Tapio Vartiainen, Kirsi Maansaari | 2025-08-12 |
| 12385784 | Techniques for measuring skin tone using a wearable device | — | 2025-08-12 |
| 12147057 | Method for enhancing the image of autostereoscopic 3D displays based on angular filtering | — | 2024-11-19 |
| 12126790 | Method and system for continuous calibration of a 3D display based on beam steering | Markku Alamaki | 2024-10-22 |
| 12061350 | 3D display directional backlight based on diffractive elements | Kai Ojala | 2024-08-13 |
| 11991343 | Optical method and system for light field displays based on distributed apertures | Kai Ojala | 2024-05-21 |
| 11925441 | Techniques for determining blood pressure based on morphological features of pulses preliminary class | Antti Aleksi Rantanen, Juha Pekka Pärkkä, Heli Tuulia Koskimäki, Olli Petteri Heikkinen, Jussi Petteri Järvelä +3 more | 2024-03-12 |
| 11927776 | Optical method and system for light field displays based on beams with extended depth of focus | Kai Ojala | 2024-03-12 |
| 11917121 | Optical method and system for light field (LF) displays based on tunable liquid crystal (LC) diffusers | — | 2024-02-27 |
| 11911181 | Flexible wearable ring device | Heikki Juhani Huttunen, Teemu Juhani Haverinen, Jouni Juhani Huopana, Antti Kalevi Lämsä, Sami Sakari Ihme | 2024-02-27 |
| 11846790 | Optical method and system for light field displays having light-steering layers and periodic optical layer | — | 2023-12-19 |
| 11624934 | Method and system for aperture expansion in light field displays | Kai Ojala | 2023-04-11 |
| 10807087 | Lateral flow device, assay device and kit and method for analyzing a fluid sample | Sanna Uusitalo, Marika Kurkinen | 2020-10-20 |
| 10448897 | Heart activity measurement | Mikko Repka, Juha Sumen, Seppo Korkala | 2019-10-22 |
| 7698876 | Method and apparatus for packaging reels | — | 2010-04-20 |
| 7164411 | Optical user interface for controlling portable electric device | Kimmo KERÄNEN, Timo Kolehmainen | 2007-01-16 |
| 6849290 | Method for controlling deflection and/or position of a deflection-compensated doctor beam | Jukka Koskinen, Timo Kiiha | 2005-02-01 |
| 6749888 | Method and apparatus for determining the profile of a coating layer | Jukka Linnonmaa, Vilho Nissinen, Jouni Raki, Pasi Rajala, Jari-Matti Karjanmaa | 2004-06-15 |
| 5879508 | Method and assembly for placing a label onto the head of paper roll | — | 1999-03-09 |
| 5375751 | Method and apparatus for severing a paper web, particularly a perforated paper web | — | 1994-12-27 |
| 5354976 | Method for identification of rolls and a device for its accomplishment | Jorma Hannikainen, Mika Uusitalo | 1994-10-11 |