This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Pacific Holographics, Inc., Ccl Secure Pty Ltd. Active years: 1999-2022.
Company Filing History:
Years Active: 1999-2022
Title: Innovations of Michael D Long in Optical Security Devices
Introduction
Michael D Long is an accomplished inventor based in Santa Cruz, California. He has made significant contributions to the field of optical security devices, holding a total of 6 patents. His work focuses on creating advanced security features that enhance the protection of sensitive documents.
Latest Patents
One of his latest patents is an "Optical security device and method of manufacture." This invention includes a substrate with one or more focusing elements or lens structures. The device features a plurality of image elements associated with each focusing element, which are designed to be viewable through the associated lens. The image elements consist of diffractive grating elements that generate diffraction images observable at various viewing angles. This security device is particularly suitable for use on security documents, such as banknotes. Another notable patent is the "System and method for encoding and decoding an image or document and document encoded thereby." This invention encompasses holographic and diffractive security devices that provide covert security features, which are not visible to the unaided human eye. These features can be revealed using a decoder device or by viewing the security device in a specific manner.
Career Highlights
Throughout his career, Michael D Long has worked with several notable companies, including Pacific Holographics, Inc. and CCL Secure Pty Ltd. His expertise in optical security technology has positioned him as a leader in the field, contributing to the development of innovative security solutions.
Collaborations
Michael has collaborated with talented individuals such as Diana Newcomb and Randall P James. These partnerships have further enhanced his work and contributed to the advancement of security technologies.
Conclusion
Michael D Long's contributions to optical security devices demonstrate his innovative spirit and commitment to enhancing document security. His patents reflect a deep understanding of the complexities involved in creating effective security features.