Location History:
- Somerville, MA (US) (2001)
- Vancouver, CA (2006 - 2020)
Company Filing History:
4 out of 8,373 
3 out of 932 
1 out of 16,080 
Years Active: 2001-2025
Title: Innovations by John Madden
Introduction
John Madden is a notable inventor based in Vancouver, Canada. He has made significant contributions to the field of technology, holding a total of seven patents. His work focuses on advanced systems and devices that enhance medical delivery methods and pressure sensing technologies.
Latest Patents
One of John Madden's latest patents is the "Hydrogel co-injection and real-time opto-electromagnetic modification device for tunable in-vivo delivery." This invention describes systems and methods that allow for the dynamic modification of the physicochemical properties of a hydrogel during its formation and delivery via a catheter. The device enables the delivery of a hydrogel within body cavities, such as blood vessels, by injecting a hydrogel precursor through an intravascular catheter. The crosslinking of the hydrogel precursor is initiated within the catheter, allowing for controlled modification of its properties to suit specific medical needs.
Another significant patent is the "Method and sensor for pressure sensing based on electrical signal generated by redistribution of mobile ions in piezoionic layer." This method involves monitoring an electrical signal produced by the redistribution of mobile ions in a piezoionic layer when pressure is applied to a surface. The piezoionic sensor includes a sensing surface and electrodes that detect the electrical signal generated by the mobile ions, providing a reliable means of pressure sensing.
Career Highlights
John Madden has had a distinguished career, working with prestigious institutions such as the Massachusetts Institute of Technology and the University of British Columbia. His innovative work has garnered attention and respect in the scientific community.
Collaborations
Throughout his career, John has collaborated with notable individuals, including Ian W. Hunter and Peter G. Madden. These collaborations have contributed to the advancement of his research and inventions.
Conclusion
John Madden's contributions to innovation in medical technology and pressure sensing are noteworthy. His patents reflect a commitment to improving healthcare delivery systems and sensing technologies. His work continues to influence the field and inspire future innovations.