This inventor holds 6 USPTO granted patents. Top assignees: Cyclotomics, Inc., Calimetrics, Inc., University of Southern California. Active years: 1986-2007.
Company Filing History:
3 out of 18 
2 out of 15 
1 out of 1,691 
Years Active: 1986-2007
Title: Lloyd R Welch: Innovator in Encryption and Data Storage Technologies
Introduction
Lloyd R Welch is a notable inventor based in La Cañada Flintridge, California. He has made significant contributions to the fields of encryption and data storage, holding a total of 6 patents. His innovative work has paved the way for advancements in secure data transmission and storage technologies.
Latest Patents
One of his latest patents is an "Encryption system based on crossed inverse quasigroups." This invention involves encryption carried out using a non-field, non-group algebraic structure, specifically a crossed inverse quasigroup. This algebraic structure can be quite large, with sizes reaching up to 10. The patent describes methods for distributing either the quasigroup itself or the rules for calculating values within it.
Another significant patent is the "Method and apparatus for modulation encoding data for storage on a multi-level optical recording medium." This system and method provide a way to encode data for storage or transmission on a multilevel medium. The process includes encoding data using a first tier modulation code and a second tier modulation code, which has error-correcting characteristics. This innovation improves error characteristics for encoding data, enhancing the reliability of data storage and transmission.
Career Highlights
Throughout his career, Lloyd R Welch has worked with various companies, including Cyclotomics, Inc. and Calimetrics, Inc. His experience in these organizations has contributed to his expertise in developing advanced technologies in encryption and data storage.
Collaborations
Lloyd has collaborated with notable individuals in his field, including Elwyn R Berlekamp and Terrence L Wong. These collaborations have likely enriched his work and led to further innovations in his areas of expertise.
Conclusion
Lloyd R Welch is a distinguished inventor whose work in encryption and data storage has had a lasting impact on technology. His patents reflect a deep understanding of complex mathematical structures and their applications in real-world scenarios. His contributions continue to influence the fields of data security and storage solutions.