Forward Citations = 172

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9 inventors (with patents filed for the assignee):

Gitte Harkonen (2 out of 2 patents)

Runar Tornqvist (2 out of 2 patents)

Terho Harju (2 out of 2 patents)

4. Jorma Honkala (1 out of 3 patents)

5. Marja Lahonen (1 out of 1 patent)

6. Erkki Lauri Soininen (1 out of 1 patent)

7. Juha Viljanen (1 out of 1 patent)

8. Runar Tornquist (1 out of 1 patent)

9. Kari Harkonen (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 6113977 - Method of growing a ZnS:Mn phosphor layer for use in thin-film (2000-09-05),

2. 5451978 - Method and device for driving an electroluminescence matrix display (1995-09-19),

3. 5315311 - Method and apparatus for reducing power consumption in an AC-excited (1994-05-24),

4. 5314759 - Phosphor layer of an electroluminescent component (1994-05-24),

5. 5294919 - Pulse generation circuit for row selection pulses and method for (1994-03-15),

6. 5133036 - Thin-film matrix structure for an electroluminescent display in (1992-07-21),

Company Overview

Planar International Oy Ltd. is a leading provider of innovative display solutions for technology-driven environments. With a focus on high-performance, high-quality products, Planar International offers a range of display solutions for a variety of applications, including video walls, touch screen monitors, and digital signage. With a commitment to customer satisfaction and technological advancement, Planar International is dedicated to providing cutting-edge display solutions for its global customer base.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#88 in Espoo

#461 in Finland

Espoo, Finland

Planar International Oy Ltd.

Forward Citations = 172

9 inventors:

Gitte Harkonen (2 out of 2 patents)

Runar Tornqvist (2 out of 2 patents)

Terho Harju (2 out of 2 patents)

4. Jorma Honkala (1 out of 3 patents)

5. Marja Lahonen (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Planar International Oy Ltd.. Retrieved from https://idiyas.com/company/planar-international-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]