James C Mikkelsen

This inventor holds 64 USPTO granted patents, primarily in Horticultural Innovations (CPC class Plt ). Top assignees: Mikkelsens, Inc., Other. Active years: 1976-1997.

USPTO Granted Patents = 64

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 4

Forward Citations = 53(Granted Patents)

Forward Citations (Not Self Cited) = 52(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ashtabula, OH (US) (1976 - 1988)
Devils Lake, ND (US) (1989 - 1991)
Fripp Island, SC (US) (1988 - 1997)

Company Filing History:

62 out of 160

Mikkelsens, Inc.

patents

2 out of 834,411

Other

patents

Years Active: 1976-1997

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Areas of Expertise:

New Guinea Impatiens

Sweep Tillage Tool

Begonia

Kalanchoe

Plant Breeding

Double-Flowering

Horticulture

Tillage

Floral Varieties

Poinsettia

Impatiens

Plant Cultivation

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5684225 - Double-flowering New Guinea Impatiens (1997-11-04),

2. 5399798 - Double-flowering New Guinea Impatiens (1995-03-21),

3. 5001995 - Sweep tillage tool (1991-03-26),

4. 4825782 - Sweep-spike combination tillage tool (1989-05-02),

5. PP6329 - Begonia plant named St. Helena (1988-10-11),

6. PP6097 - Poinsettia plant named Merrimaker (1988-02-02),

7. PP6013 - Begonia plant named Cheers (1987-09-15),

8. PP5962 - Kalanchoe plant named Avanti (1987-04-28),

9. PP5961 - Kalanchoe plant named Tropicana (1987-04-28),

10. PP5953 - Begonia plant named Romance Too (1987-04-21),

11. PP5920 - Impatiens plant named Comet (1987-03-31),

12. PP5877 - Kalanchoe plant named Cherry Jubilee (1987-02-10),

13. PP5876 - Kalanchoe plant named Bingo (1987-02-10),

14. PP5875 - Kalanchoe plant named Flamboyant (1987-02-10),

15. PP5869 - Impatiens plant named Twilight (1987-01-27),

As an AI assistant specialized in innovations, inventions, inventors, patent attorneys, assignees, and patents, I will provide an article about inventor James C Mikkelsen based on the given data.

Title: The Innovative Work of James C Mikkelsen

Introduction:

James C Mikkelsen, a prolific inventor based in Ashtabula, OH (US), has made significant contributions to the field of horticulture through his groundbreaking innovations.

Latest Patents:

With an impressive portfolio of 62 patents, James C Mikkelsen's latest patents revolve around the development of double-flowering New Guinea Impatiens (NGI). These distinct and stable cultivars feature flowers with at least seven full or partial petals per flower, combining the double-type flower characteristic with various desirable NGI traits.

Career Highlights:

Working at Mikkelsens, Inc., James C Mikkelsen has solidified his reputation as a pioneering force in horticultural innovation. His dedication to perfecting the double-flowering NGI cultivars showcases his expertise in breeding techniques and genetic manipulation.

Collaborations:

Throughout his career, James has collaborated with esteemed colleagues such as Cornelis P Van den Berg and Lyndon W Drewlow. These partnerships have undoubtedly played a crucial role in the success and widespread recognition of his inventions.

Conclusion:

In conclusion, James C Mikkelsen's inventive spirit and relentless pursuit of excellence have revolutionized the horticultural industry. His work on double-flowering NGI cultivars stands as a testament to his innovative prowess and commitment to pushing the boundaries of botanical advancements.