Most Prolific Inventor in Each State and DC

41. Delaware | Mario Joseph Nappa

President and CEO at Mario Nappa Consulting, LLC.

Mr. Nappa started his career in fluorine chemistry at DuPont, contributing to the development of alternative fluorochemicals as part of the transition from ozone-depleting compounds to HFCs. He played a significant role in commercializing several HFCs and later helped develop the low global warming HFOs and Opteon™ products.

Mario has received multiple prestigious awards, including the DuPont Lavoisier Medal. He is also a dedicated mentor to young chemists and engineers.

40. Mississippi | Hans J Hansen

Hans J. Hansen is a prominent scientist associated with Immunomedics, a biotechnology company focused on developing monoclonal antibody-based therapeutics. His research has primarily been in the field of immunotherapy, particularly targeting cancer cells. Hansen has been involved in the development of several innovative therapies, such as anti-CD74 antibodies, which are being explored for treating B-cell malignancies like lymphoma. His work includes developing antibody-drug conjugates (ADCs) and radiolabeled antibodies, which target cancer cells by binding to specific proteins like CD74, triggering immune responses and delivering cytotoxic agents to tumor cells.

Hansen has contributed to numerous patents related to cancer treatment, including those for humanized antibodies and their therapeutic applications in oncology​

39. North Dakota | Noel Wayne Anderson

Advancing invention & technology through speaking, writing, researching, educating, and collaborating.

Noel Wayne Anderson is an inventor with a background in advancing technology and education through his work in various capacities. He has contributed to several patents, particularly with Deere & Company, focusing on innovations in agricultural technologies such as chemical dispersion systems and vehicle localization. His work spans research, writing, and collaboration to develop practical solutions in fields like autonomous systems and agricultural machinery.

In addition to his technical innovations, Anderson is involved in educational research, particularly in invention education, where he advocates for teaching students how to think like inventors and integrate technology into their problem-solving processes​

38. Kentucky | Richard N Anderson

Richard N. Anderson is a key inventor at Hunter Douglas Inc., a company known for its innovations in window coverings and architectural solutions.

Anderson has contributed to numerous patents involving advanced mechanisms for window coverings, such as power assist modules for roller shades, cord drive systems, and tilt mechanisms for blinds.

His inventions often focus on improving the functionality and ease of use of window coverings, enhancing both their mechanical performance and user experience​

37. Arkansas | Nicholaus Adam Jones

Nicholaus Jones, Principal Product Manager at Walmart Labs, has dedicated his career to inventory management.

He began by focusing on RFID technology and its applications for Walmart, then shifted to managing inventory systems for stores and clubs.

Jones is now working on several advanced areas including automated data collection, machine learning integration, item replenishment, pricing, and item location architecture. He is also expanding into retail finance to further streamline Walmart’s operations​.

36. Nebraska | Leroy L Peterson

LeRoy L. Peterson, Jr. is the co-founder and president of World of Watersports (WOW). He began his career in advertising at Pamida, where he became the youngest vice president.

His leadership helped expand Pamida and led him to start Sportsstuff, an industry leader in inflatable water sports products. Later, in 2010, he co-founded WOW. LeRoy was known for his creative designs, hands-on involvement in production, and passion for the water sports industry.

His legacy continues through his innovative towable water sports products and the family he cherished.

35. Tennessee | Reinhold Holtkamp, Sr

Mr. Holtkamp served as President and Director of Research and Development of the Optimara Group for over 30 years. His research, effort, and love for the African Violet had no limits. When working with NASA in 1984, some of his African Violet seeds were sent into space encouraging mutations due to weightlessness & cosmic rays that would bring new characteristics to the African Violet world. His vision was to make the African Violet more colorful and easier to care for.

The Holtkamp business was founded in Germany by his grandfather in 1904. Reinhold Holtkamp, Sr. was the 3rd generation in the family business, when in 1977 he decided to expand their international operation to the USA, acquiring the former Joy Floral Company on Lischey Ave. The company has grown to be the world’s largest producer of African Violets, supplying the entire North American market with their Optimara African Violet.

34. Alabama | Larry W Fullerton

Larry W. Fullerton was a notable American inventor, widely recognized for his groundbreaking contributions to ultra-wideband (UWB) technology, correlated magnetics, and various other technologies spanning industrial, military, and consumer applications. UWB technology, for which Fullerton is best known, revolutionized short-range, high-bandwidth communication systems and has been utilized in everything from radar systems to medical imaging and wireless data transfer.

Beyond UWB, Fullerton was the mind behind correlated magnetics, a technology that allows magnets to be programmed for specific interactions, providing greater control and applications in areas such as precision assembly, robotics, and consumer products.

33. New Mexico | James R Kraemer

James R. Kraemer is a principal at Friedlander and Kraemer IP Consulting, where he is known for his extensive expertise in patent strategy and invention. With over 300 patent applications filed across various jurisdictions, including the US, Canada, Germany, Japan, and others, Kraemer has achieved more than 100 issued patents. His experience spans 28 different technology classes recognized by the USPTO, including cutting-edge fields like Artificial Intelligence, databases, data structures, and finance.

Kraemer’s influence extends beyond just filing patents; he is a mentor to inventors ranging from CTOs to early-career engineers, helping them navigate the complexities of intellectual property.

32. South Carolina | Remigijus Gaska

Remis Gaska is the President and CEO of UVTON, Inc., a company specializing in the development and manufacturing of deep ultraviolet (DUV) LED-based devices. Before founding UVTON, Gaska co-founded Sensor Electronic Technology, Inc. (SETi), a global leader in DUV LED technology.

He played a crucial role in developing DUV applications, including disinfection, secure communications, and medical equipment sterilization. Under his leadership, SETi received numerous awards for its innovation, including the prestigious Tibbetts Award and a PRISM Award.

In 2017, Gaska launched UVTON, focusing initially on healthcare devices like a pocket-sized disinfection case for hearing aids, a product particularly useful for veterans with hearing issues.