Company Filing History:
1 out of 1 
1 out of 667 
1 out of 195 
Years Active: 2006-2013
Title: Innovations by Inventor Yunming Zhang
Introduction
Yunming Zhang is a distinguished inventor based in Beijing, China. With a total of three patents to his name, he has made significant contributions to the field of information technology through his innovative methods of embedding and detecting hidden information in documents.
Latest Patents
Among his latest patents, Yunming Zhang has introduced two groundbreaking methods. The first patent focuses on **detecting hidden information** in a document composed of characters. This involves determining layout transformations for each character, which aids in comparing the document with its original format. He identifies code sequences embedded within the document based on these transformations and then decodes them to reveal the hidden information.
His second patent deals with **embedding hidden information** in documents. This innovative method comprises determining the hidden information that should be embedded in each class of layout transformation. Zhang acquires code sequences for each transformation by coding the hidden information and executes the layout transformation on the document's characters according to these codes.
Career Highlights
Yunming Zhang has held positions at notable companies such as Beijing Sursen International Information Technology Co. and China Petroleum & Chemical Corporation. His work at these institutions has greatly influenced the advancement of document processing technologies and enhanced security measures for information embedded within documents.
Collaborations
Throughout his career, Zhang has collaborated with talented professionals such as Donglin Wang and Shutian Yin. Their teamwork has played a crucial role in the successful development of his patented technologies and has contributed to the broader field of innovations in document processing.
Conclusion
Yunming Zhang's contributions to the field of information technology through his patents on hidden information embedding and detection have marked him as a valuable inventor. His innovative methods continue to push the boundaries of document security and information technology, ensuring that he remains an influential figure in the industry.
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.