Location History:
- Almeda, CA (US) (1993)
- Alameda, CA (US) (1992 - 2024)
Company Filing History:
8 out of 37 
5 out of 80 
1 out of 148 
Years Active: 1992-2025
Title: Erwin C Si: Innovator in Contact Lens Technology
Introduction
Erwin C Si is a notable inventor based in Alameda, California, with a remarkable portfolio of 15 patents. His work primarily focuses on advancements in contact lens technology, aiming to enhance the comfort and usability for wearers.
Latest Patents
Among his latest innovations are the WS12-releasing contact lens and the oleic acid-releasing contact lens. The WS12-releasing contact lens features a polymeric lens body with WS12 releasably adhered to it. This lens is designed to release between 0.05 μg to 0.5 μg of WS12 after one hour in a release media or when worn by a human subject. It provides comfort for symptomatic contact lens wearers, increasing the duration of comfortable wear and reducing lens awareness events and dryness. Similarly, the oleic acid-releasing contact lens contains oleic acid that is also releasably adhered to the polymeric lens body. This lens releases between 2 μg to 25 μg of oleic acid after one hour in a release media, offering similar benefits to wearers.
Career Highlights
Erwin has contributed significantly to the field through his work with companies such as Insite Vision Corporation and CooperVision International Limited. His innovative approach has led to the development of products that improve the experience of contact lens users.
Collaborations
Some of his notable coworkers include Lyle M Bowman and Jon R Polansky, who have collaborated with him on various projects throughout his career.
Conclusion
Erwin C Si's contributions to contact lens technology demonstrate his commitment to improving user experience through innovative solutions. His patents reflect a deep understanding of the needs of contact lens wearers, making him a significant figure in the field.