Eindhoven, Netherlands

Willem Hoogsteen

This inventor holds 1 USPTO granted patent. Top assignee: U.S. Philips Corporation. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Willem Hoogsteen. Retrieved from https://idiyas.com/inventor/willem-hoogsteen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1998

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Willem Hoogsteen and His Thin-Panel Picture Display Device

Introduction

Willem Hoogsteen is an inventor associated with Eindhoven, Netherlands, and U.S. Philips Corporation. His recorded patent concerns a thin-panel picture display device that directs electrons to selected locations on a luminescent screen.

Latest Patents

Hoogsteen is credited with 1 patent, titled “Thin-panel picture display device.” The invention places an electrically insulating spacer plate, perforated with apertures for electron passage, between an addressing system and a luminescent screen. The aperture walls are coated with selected particles, including nitrides, borides, carbides, and oxides of chromium, yttrium, or tantalum. The coating is designed to limit secondary electron emission and provide high electrical sheet resistance, enabling voltage differences of at least 5 kV across the spacer plate.

Career Highlights

The patent reflects Hoogsteen’s work on electron-based display technology and the materials and structures needed to support high-voltage operation in a thin-panel device. His company affiliation is U.S. Philips Corporation.

Collaborations

Monica Scholten and Maria C. Van Uden are identified as Hoogsteen’s coworkers. The available information does not specify their roles in the patent or whether they collaborated directly on the invention.

Conclusion

Willem Hoogsteen’s recorded patent presents a specialized approach to thin-panel displays, using a coated insulating spacer to help control electron passage and support high-voltage operation.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…