Location History:
- Saint Paul, MN (US) (1993)
- White Bear Lake, MN (US) (1976 - 2000)
Company Filing History:
3 out of 7,865 
3 out of 621 
Years Active: 1976-2000
Title: Innovations of John S Roden
Introduction
John S Roden is a notable inventor based in White Bear Lake, MN (US). He has made significant contributions to the field of magnetic recording media, holding a total of six patents. His work has advanced the technology used in high-density magnetic recording applications.
Latest Patents
Roden's latest patents include innovations in magnetic recording media that incorporate quaternary ammonium functional surface treatment agents. These agents are particularly effective in promoting compatibility between magnetic pigments and binder systems. His other notable patent involves a hexagonal magnetic ferrite pigment designed for high-density magnetic recording, characterized by small particle size and a modified magnetoplumbite structure.
Career Highlights
Throughout his career, John S Roden has worked with prominent companies such as Minnesota Mining and Manufacturing Company and Imation Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in magnetic recording technology.
Collaborations
Roden has collaborated with several professionals in his field, including David M Hopstock and Gunther H Dierssen. These collaborations have contributed to the success of his inventions and patents.
Conclusion
John S Roden's contributions to magnetic recording technology through his patents and collaborations highlight his importance as an inventor in this field. His work continues to influence advancements in high-density magnetic recording applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.