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Helsinki, Finland

Vaisala Oy

USPTO Granted Patents = 73

Trademarks = 8

Forward Citations = 1,609

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53 inventors (with patents filed for the assignee):

Ari Lehto (16 out of 21 patents)

Heikki T Kuisma (10 out of 52 patents)

Lars Stormbom (10 out of 14 patents)

4. Jorma Ponkala (7 out of 7 patents)

5. Martti Blomberg (6 out of 14 patents)

6. Veijo Antikainen (5 out of 5 patents)

7. Tapani Ryhänen (4 out of 24 patents)

8. Ari Paukkunen (4 out of 5 patents)

9. Heikki Turtiainen (4 out of 5 patents)

10. Matti Lyyra (4 out of 6 patents)

11. Osmo Reittu (4 out of 4 patents)

12. Markku Orpana (4 out of 5 patents)

13. Henry Andersson (3 out of 6 patents)

14. Altti Torkkeli (3 out of 4 patents)

15. Simo Tammela (3 out of 5 patents)

Core Competencies:

Gas Sensor

Humidity Measurement

Temperature Sensor

Dewpoint Detection

Pressure Transducer

Fabry-Perot Interferometer

Impedance Detector

Codeless GPS

Optical Analysis

Weather Measurement

Radiation Elimination

Humidity Transducer

73 patents: Sort by Forward Citations

1. 5987963 - Method of improving the selectivity of a polymer-film gas sensor and a (1999-11-23),

2. 5954430 - Method and temperature sensor structure for elimination of radiation (1999-09-21),

3. 5880836 - Apparatus and method for measuring visibility and present weather (1999-03-09),

4. 5850354 - Calibration method for NDIR equipment and calibration apparatus (1998-12-15),

5. 5835216 - Method of controlling a short-etalon fabry-perot interferometer used in (1998-11-10),

6. 5827438 - Electrically modulatable thermal radiant source with specific filament (1998-10-27),

7. 5821898 - Codeless GPS positioning method and apparatus for such codeless (1998-10-13),

8. 5818586 - Miniaturized fabry-perot spectrometer for optical analysis (1998-10-06),

9. 5801647 - Method and apparatus for measuring road surface conditions (1998-09-01),

10. 5750903 - Method of linearizing a flow velocity sensor, a linearized flow velocity (1998-05-12),

11. 5740601 - Method of manufacturing an impedance detector (1998-04-21),

12. 5679902 - Surface-micromachined symmetrical differential pressure sensor with (1997-10-21),

13. 5656781 - Capacitive pressure transducer structure with a sealed vacuum chamber (1997-08-12),

14. 5646729 - Single-channel gas concentration measurement method and apparatus using (1997-07-08),

15. 5644676 - Thermal radiant source with filament encapsulated in protective film (1997-07-01),

Company Overview

Vaisala Oy, headquartered in Helsinki, Finland, specializes in advanced gas sensing technology and environmental measurement solutions. The company develops a range of products including gas sensors, humidity and temperature measurement devices, dewpoint detectors, and pressure transducers. With a strong focus on innovation, Vaisala employs technologies such as Fabry-Perot interferometry and impedance detection to enhance accuracy and reliability in various applications, serving industries that require precise environmental monitoring and control.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

73 Patents

#22 in Helsinki

#54 in Finland

#10,273 in the World

Helsinki, Finland

Vaisala Oy

Forward Citations = 1,609

53 inventors:

Ari Lehto (16 out of 21 patents)

Heikki T Kuisma (10 out of 52 patents)

Lars Stormbom (10 out of 14 patents)

4. Jorma Ponkala (7 out of 7 patents)

5. Martti Blomberg (6 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vaisala Oy. Retrieved from https://idiyas.com/company/vaisala-oy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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