This inventor holds 43 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 2 EPO patents, primarily in Optical Fiber Technology. Top assignees: Adc Telecommunications, Inc., Clearfield, Inc., Commscope Technologies LLC. Active years: 2002-2026.
Location History:
- New Hope, MN (US) (2002 - 2010)
- Plymouth, MN (US) (2007 - 2024)
Company Filing History:
31 out of 1,755 
6 out of 64 
6 out of 2,596 
Years Active: 2002-2026
Areas of Expertise:
Title: The Innovative Contributions of David J Johnsen in Optical Technology
Introduction: David J Johnsen, based in New Hope, MN, is a prolific inventor with a remarkable portfolio of 39 patents. His innovative work primarily focuses on optical technologies that enhance communication systems. Johnsen's patent contributions reflect a commitment to advancing industry standards while addressing the complexity of fiber-optic solutions.
Latest Patents: Among his latest patents is the "Optical splice and termination module." This advanced optical module features a housing, an optical adapter arrangement, and a cable inlet connecting the exterior to the interior. It includes a splice location, allowing optical pigtails to extend from the adapter to the splice. Some embodiments have a removable splice tray with a bend radius limiting arrangement. Additionally, he has patented "Flexible optical fiber connectors and assemblies," which involve a first housing component that couples to a terminating connector and a second housing component designed for optical fiber termination. This assembly allows for smooth operation through a pushable connector, demonstrating Johnsen's focus on flexibility and efficiency in optical communications.
Career Highlights: Throughout his career, Johnsen has significantly impacted the telecommunications field, working with notable companies like ADC Telecommunications, Inc. and CommScope Technologies LLC. His extensive experience in these environments has equipped him with the expertise necessary to innovate and lead in developing solutions for the optical technology industry.
Collaborations: Johnsen has collaborated with talented professionals such as Delfino Hernandez and Duane R Sand. Their collective efforts in research and development have played a vital role in pushing the boundaries of what is possible within optical technology.
Conclusion: David J Johnsen's contributions to optical technology showcase his dedication to innovation and improvement. With numerous patents to his name and a career characterized by strategic collaborations in leading telecommunications firms, Johnsen continues to be a pivotal figure in the advancement of optical inventions. His work not only enhances communication systems but also sets new industry benchmarks for future innovations.