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For the Inventor, By the Inventor

Turku, Finland

Matti Juhani Ruohonen

This inventor holds 17 USPTO granted patents and 1 published patent application, primarily in Handset Technology. Top assignees: Nokia Mobile Phones Limited, Nokia Corporation. Active years: 2002-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Matti Juhani Ruohonen. Retrieved from https://idiyas.com/inventor/matti-juhani-ruohonen

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 11

Forward Citations = 463(Granted Patents)


Location History:

  • Turku, FI (2002 - 2009)
  • Salo, FI (2011)

Company Filing History:

goldMedal9 out of 1,965 
 
Nokia Mobile Phones Limited
 patents
silverMedal8 out of 8,283 
 
Nokia Corporation
 patents

Years Active: 2002-2011

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Areas of Expertise:
Handset
Key Buttons
Key Array
Car Holder
Headset
Desktop Charger
Back Cover
Front Cover
Display Area
Key Matrix
Keypad
17 patents (USPTO):Explore Patents
1. D630200 - Handset (2011-01-04),
2. D603387 - Set of key buttons for a handset (2009-11-03),
3. D597536 - Set of key buttons for a handset (2009-08-04),
4. D570832 - Set of key buttons for a handset (2008-06-10),
5. D560659 - Key button area for a handset (2008-01-29),
6. D560629 - Handset (2008-01-29),
7. D560628 - Handset (2008-01-29),
8. D471547 - Car holder for a handset (2003-03-12),
9. D468304 - Key array for a handset (2003-01-08),
10. D467240 - Headset (2002-12-18),
11. D463361 - Desktop charger/desktop stand (2002-09-25),
12. D462071 - Back cover for a handset (2002-08-28),
13. D461468 - Display area and key array for a handset (2002-08-14),
14. D461467 - Front cover for a handset (2002-08-14),
15. D461182 - Key matrix for a handset (2002-08-07),

Title: The Innovative Journey of Matti Juhani Ruohonen

Introduction

Matti Juhani Ruohonen is a notable inventor based in Turku, Finland. He has made significant contributions to the field of telecommunications, particularly through his work with Nokia. With a total of 17 patents to his name, Ruohonen has demonstrated a strong commitment to innovation and technological advancement.

Latest Patents

Among his latest patents, Ruohonen has developed a handset and a set of key buttons for a handset. These inventions reflect his expertise in creating user-friendly and efficient communication devices. His work continues to influence the design and functionality of modern mobile technology.

Career Highlights

Ruohonen's career has been marked by his tenure at prominent companies such as Nokia Mobile Phones Limited and Nokia Corporation. His experience in these organizations has allowed him to hone his skills and contribute to groundbreaking projects in the mobile phone industry.

Collaborations

Throughout his career, Ruohonen has collaborated with talented individuals, including Anthony Dalby and Heikki Tapani Kangasmaa. These partnerships have fostered a creative environment that has led to innovative solutions in telecommunications.

Conclusion

Matti Juhani Ruohonen's contributions to the field of telecommunications are noteworthy. His patents and collaborations have significantly impacted the industry, showcasing his dedication to innovation and excellence.

Profile summary based on public USPTO records.
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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