Kari Kunnas

This inventor holds 38 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 3 EPO patents, primarily in Gardening Tools. Top assignee: Fiskars Finland Oy Ab. Active years: 2014-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kari Kunnas. Retrieved from https://idiyas.com/inventor/kari-kunnas

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

USPTO Granted Patents = 38 (Patent Applications = 2)

% Patents Active = 97.4

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 3 (Patent Applications = 3)

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 201(Granted Patents)

Location History:

Rekijoki, FI (2014 - 2016)
Pinjainen, FI (2016)
Billnäs, FI (2017)
Helsinki, FI (2019 - 2022)

Company Filing History:

38 out of 526

Fiskars Finland Oy Ab

patents

Years Active: 2014-2026

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Areas of Expertise:

Pruner

Cutting Tool

Gardening Tool

Knife Sharpener

Handle

Weedpuller

Snow Shovel

Planting Tool

Tree Pruner

Saw

Sheath

Car Snow Brush

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D1151177 - Storage hanger rail (2026-10-06),

2. D1141777 - WEEDPULLER (2026-08-18),

3. D1141774 - HANDLE END CAP (2026-08-18),

4. D1130653 - Knife handle (2026-06-16),

5. D1130652 - Knife (2026-06-16),

6. D1130040 - Leaf fork (2026-06-16),

7. D1088799 - Handle (2025-08-19),

8. D1088798 - Handle (2025-08-19),

9. D1088797 - Handle (2025-08-19),

10. D1067011 - Knife sharpener (2025-03-18),

11. D959938 - Pruner (2022-08-09),

12. D957216 - Planting tool (2022-07-12),

13. D945229 - Hand pruner (2022-03-08),

14. D939907 - Pruner (2022-01-04),

15. D938240 - Pruner (2021-12-14),

Title: Innovations by Kari Kunnas: A Beacon of Creativity in Tool Design

Introduction: Kari Kunnas, based in Helsinki, Finland, is a prominent inventor known for his innovative contributions to planting tools. With an impressive portfolio of 22 patents, Kunnas has made significant strides in enhancing gardening and landscaping equipment, particularly through his work at Fiskars Finland Oy Ab.

Latest Patents: Among Kunnas's recent inventions, the pruner and various planting tools stand out. These patented designs reflect his commitment to improving user experience and functionality in gardening tasks, showcasing his ability to blend practicality with innovation.

Career Highlights: Over the years, Kari Kunnas has established himself as a key figure at Fiskars Finland Oy Ab. His relentless pursuit of innovation has resulted not only in a substantial number of patents but also in the development of tools that have become essential for both amateur and professional gardeners.

Collaborations: Kunnas collaborates closely with talented colleagues, including Mikko Heine and Sami Lyytikäinen. Together, they push the boundaries of tool design, continually striving to introduce improvements and new solutions that cater to the evolving needs of gardening enthusiasts.

Conclusion: Kari Kunnas's work exemplifies the intersection of creativity and utility in the world of gardening tools. With his 22 patents, he continues to inspire future innovations, solidifying his reputation as a leading inventor at Fiskars Finland Oy Ab. His contributions ensure that cultivating plants becomes a more efficient and enjoyable endeavor for everyone.

Profile summary based on public USPTO records.