Russellville, AR, United States of America

Roger K Pihlaja

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: The Dow Chemical Company. Active years: 1987-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roger K Pihlaja. Retrieved from https://idiyas.com/inventor/roger-k-pihlaja

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Sanford, MI (US) (1987 - 1990)
  • Russellville, AR (US) (1991 - 1992)

Company Filing History:


Years Active: 1987-1992

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5 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Roger K Pihlaja

Introduction

Roger K Pihlaja is a notable inventor based in Russellville, AR (US). He has made significant contributions to the field of materials science, particularly in the development of advanced reactors for carbothermal reduction processes. With a total of 5 patents to his name, Pihlaja's work has had a considerable impact on the production of high-quality aluminum nitride.

Latest Patents

One of Pihlaja's latest patents is the Continuous Carbothermal Reactor. This innovative reactor is designed for the carbothermal reduction of aluminum oxide and carbon to produce aluminum nitride. The process involves supplying gaseous nitrogen throughout a discrete aliquot of a preferably pelletized mixture of aluminum oxide, carbon, and, optionally, calcium oxide. By continuously removing gaseous reaction products, the reactor ensures the production of high-quality aluminum nitride. A unique feature of this reactor is the use of a perforated tray with a hollowed-out bottom, which allows gaseous nitrogen to flow through the solid reactants effectively. Additionally, carbon can be supplied as a gaseous reactant, enhancing the efficiency of the process.

Career Highlights

Throughout his career, Roger K Pihlaja has worked with prominent companies such as The Dow Chemical Company and Rosemount Inc. His experience in these organizations has contributed to his expertise in materials science and reactor design. Pihlaja's innovative approaches have positioned him as a key figure in the development of advanced manufacturing processes.

Collaborations

Some of Pihlaja's notable coworkers include Patrick M Russell and David A Dunn. Their collaborative efforts have furthered the research and development of innovative technologies in the field.

Conclusion

Roger K Pihlaja's contributions to the field of materials science and his innovative patents demonstrate his commitment to advancing technology. His work continues to influence the production of high-quality materials, showcasing the importance of innovation in industry.

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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