This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: The Lubrizol Corporation, Other. Active years: 1987-1997.
Location History:
- Fort Collins, CO (US) (1993)
- Willoughby, OH (US) (1987 - 1997)
Company Filing History:

Years Active: 1987-1997
Title: John P Murphy: Innovator in Optical Technologies
Introduction
John P Murphy is a notable inventor based in Willoughby, OH (US). He has made significant contributions to the field of optical technologies, holding a total of 5 patents. His innovative work focuses on enhancing visual clarity and improving the performance of optical devices.
Latest Patents
One of Murphy's latest patents is for a single layer anti-reflective film for optical substrates. This invention involves applying very thin films of liquid anti-reflection materials to optical substrates. The goal is to increase visual clarity and acuity by reducing reflection light losses, minimizing internal reflections, and enhancing light transmission. The materials used are characterized as non-volatile, optically clear liquids with a refractive index lower than that of the optical substrate. This allows for low-cost, effective anti-reflection coatings to be applied to items such as eyeglasses using a single liquid layer.
Another significant patent is the compact disc playback enhancer. This invention improves the playback of compact discs by adhering an annular ring to the disc. This ring increases the frictional engagement between the disc and the spindle, enhancing playback quality. Additionally, a layer of soft, flexible material is added to dampen vibrations caused by variations in the disc's speed.
Career Highlights
Throughout his career, John P Murphy has worked with various companies, including The Lubrizol Corporation. His experience in the industry has allowed him to develop and refine his innovative ideas, leading to the successful patenting of his inventions.
Collaborations
Murphy has collaborated with Richard J Murphy, contributing to the development of his patented technologies.
Conclusion
John P Murphy's contributions to optical technologies through his patents demonstrate his commitment to innovation and improvement in visual clarity. His work continues to impact the industry positively, showcasing the importance of inventive thinking in technology.