Shigeharu Uda

Title: Shigeharu Uda: Innovator in Document Security Technology

Introduction

Shigeharu Uda is a notable inventor based in San Jose, CA (US). He has made significant contributions to the field of document security through his innovative patent. His work focuses on enhancing the security and annotation of electronic documents.

Latest Patents

Uda holds a patent for "Invisible junction feature recognition for document security or annotation." This invention utilizes invisible junctions, which are unique local features specific to each page of an electronic document. The technology involves an image capture device, a feature extraction and recognition system, and a database. When an electronic document is printed, the system captures an image of the document page. The features from the captured image are extracted, indexed, and stored in the database. Given a query image, the features are compared against those in the database to identify the query image. This feature extraction and recognition system is integrated into a multifunction peripheral, allowing it to be used alongside other modules for security and annotation applications. Uda has 1 patent to his name.

Career Highlights

Shigeharu Uda is associated with Ricoh Company, Ltd., where he has been instrumental in developing advanced document security technologies. His work has contributed to the company's reputation as a leader in innovative solutions for document management.

Collaborations

Uda has collaborated with notable colleagues, including Jonathan J Hull and Berna Erol. Their combined expertise has furthered the development of cutting-edge technologies in the field.

Conclusion

Shigeharu Uda's contributions to document security through his innovative patent demonstrate his commitment to advancing technology in this critical area. His work continues to influence the way electronic documents are secured and annotated.