Jan Marius Van Dokkum

Title: Jan Marius Van Dokkum: Innovator in Watermark Technology

Introduction

Jan Marius Van Dokkum is a notable inventor based in Ugchelen, Netherlands. He has made significant contributions to the field of watermark technology, particularly through his innovative methods for producing watermark elements. His work is recognized for its practical applications in various substrates.

Latest Patents

Jan Marius Van Dokkum holds a patent for a "Method for producing a watermark element, watermark element, and also applications." This invention relates to a method for creating a shadow watermark image in a substrate by dewatering a fibrous suspension. The watermark element features a body with a relief side and a dewatering side, with perforations designed to optimize dewatering capacity based on the height of the channel inlet.

Career Highlights

Jan Marius Van Dokkum is associated with Arjowiggins Security B.V., where he applies his expertise in watermark technology. His innovative approach has led to advancements in the production of watermark elements, enhancing security features in various applications.

Collaborations

Throughout his career, Jan has collaborated with notable colleagues, including Johannes Krul and Hendrik Van De Kamp. These partnerships have contributed to the development and refinement of watermark technologies.

Conclusion

Jan Marius Van Dokkum is a distinguished inventor whose work in watermark technology has paved the way for innovative applications in security and substrate design. His contributions continue to influence the industry and inspire future advancements.