Company Filing History:
1 out of 2 
1 out of 832,912 Years Active: 2003-2004
Title: Innovations by Inventor Stephan Hansen
Introduction
Stephan Hansen is a notable inventor based in Tucson, AZ (US). He holds 2 patents that showcase his contributions to the field of chromogenic technology. His work focuses on creating innovative solutions that enhance user control over light and color in various applications.
Latest Patents
One of Hansen's latest patents is for a chromogenic glazing system. This invention features a transparent chromogenic assembly that allows for selective color changes over predefined areas. It comprises a pair of facing transparent substrates, each covered with a conductive layer divided into energizable areas. A passive layer may be superimposed over one of the substrates, chosen to accommodate the color change and transmissivity of the electrochromic layer, ensuring the transmitted color remains warm or neutral. Additionally, various other chromogenic windows, devices, and systems are disclosed in this patent.
Another significant patent by Hansen is for a chromogenic light filter and controls. This invention allows users to control the light transmitted through a skylight window. The chromogenic filter operates under automatic control of a circuit, while a user interface enables the user to set desired lighting conditions. A mechanical shutter is also included, allowing the user to open or close the skylight. The design improves the diffuseness of light transmitted through the skylight by modifying various components, including the filter.
Career Highlights
Throughout his career, Hansen has worked with reputable companies, including Schott Donnelly LLC. His experience in the industry has contributed to his innovative approach to developing new technologies.
Collaborations
Hansen has collaborated with notable individuals such as Anoop Agrawal and Juan Carlos Lopez Tonazzi. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Stephan Hansen's contributions to chromogenic technology demonstrate his innovative spirit and commitment to enhancing user experiences through light control. His patents reflect a significant advancement in the field, showcasing his expertise and creativity.