Company Filing History:
3 out of 87 
2 out of 709 
Years Active: 1981-2000
Title: The Innovative Contributions of Christian Harsigny
Introduction
Christian Harsigny is a notable inventor based in Yerres, France, recognized for his significant contributions to the field of ophthalmic lenses. With a total of five patents to his name, Harsigny's work focuses on enhancing the functionality and performance of multifocal lenses, addressing common issues such as aberrations and astigmatism.
Latest Patents
Harsigny's latest patents include an innovative ophthalmic lens that features an aspherical face. This lens design boasts a near vision region that is larger and wider than that of conventional multifocal lenses, while also reducing aberrations, particularly astigmatism. The design utilizes a specific surface area defined by points less than 20 mm from the geometrical center of the lens, optimizing the cylinder values to enhance visual clarity. Another significant patent is for a progressive multifocal ophthalmic lens, which incorporates an aspherical surface with distinct portions for distance, near, and intermediate vision. This lens is designed to ensure that the maximum mean sphere gradient value is located in the intermediate vision portion, providing a seamless visual experience across different distances.
Career Highlights
Throughout his career, Christian Harsigny has worked with prominent companies in the optical industry, including Essilor International and Cie Generale D'optique. His experience in these organizations has allowed him to develop and refine his innovative lens designs, contributing to advancements in optical technology.
Collaborations
Harsigny has collaborated with several professionals in the field, including Jean-Pierre Chauveau and Christian Miege. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise, further enhancing the quality of his inventions.
Conclusion
Christian Harsigny's contributions to the field of ophthalmic lenses demonstrate his commitment to innovation and improvement in visual technology. His patents reflect a deep understanding of optical science and a dedication to enhancing the user experience.
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.