Eindhoven, Netherlands

Hans Dignus Duinker

This inventor holds 3 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans Dignus Duinker. Retrieved from https://idiyas.com/inventor/hans-dignus-duinker

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1976

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3 patents (USPTO):Explore Patents

Title: Hans Dignus Duinker: Innovator in Television Technology

Introduction

Hans Dignus Duinker is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of television technology, particularly in the development of luminescent screens for color television tubes. With a total of 3 patents to his name, Duinker's work has had a lasting impact on the industry.

Latest Patents

Duinker's latest patents include innovative methods for manufacturing luminescent screens. One of his notable inventions is a method of manufacturing a luminescent screen of a shadow mask color tube. This invention involves phosphor dots on the screen that are smaller than the apertures in the shadow mask, with a light-absorbing layer provided on the window. The design ensures that the inner surface of the window has undulations with specific spatial frequencies, enhancing the screen's performance.

Another significant patent is related to the method of making screens for cathode-ray tubes. This invention addresses the challenge of obtaining uniform dots of hardened polyvinyl alcohol by superposing a substance on the photosensitive layer. This process increases the effective gradient of the photosensitive polyvinyl alcohol, allowing for well-defined, uniform dots to be produced.

Career Highlights

Duinker is associated with U.S. Philips Corporation, where he has contributed to various projects and innovations in television technology. His work has been instrumental in advancing the quality and efficiency of cathode-ray tubes, which were widely used in televisions before the advent of modern display technologies.

Collaborations

Throughout his career, Duinker has collaborated with notable colleagues, including Gerardus Antonius Vermeulen and Cornelis Johannes Schoot. These collaborations have fostered a creative environment that has led to significant advancements in their field.

Conclusion

Hans Dignus Duinker is a distinguished inventor whose contributions to television technology have paved the way for advancements in display systems. His innovative patents and collaborations reflect his commitment to enhancing the quality of visual technology.

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]
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