Eindhoven, Netherlands

Jacobus J M Ruigrok

This inventor holds 7 USPTO granted patents. Top assignees: U.S. Philips Corporation, Koninklijke Philips Corporation N.v.. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jacobus J M Ruigrok. Retrieved from https://idiyas.com/inventor/jacobus-j-m-ruigrok

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 = 3

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 2001-2004

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7 patents (USPTO):Explore Patents

Title: Jacobus J M Ruigrok: Innovator in Magnetic Head Technology

Introduction

Jacobus J M Ruigrok is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of magnetic head technology, holding a total of 7 patents. His work has been instrumental in advancing the capabilities of magnetic recording devices.

Latest Patents

Among his latest patents is the "Multi-channel magnetic head with magnetoresistive elements." This invention features a high channel density magnetic head designed for use with record carriers. The head face extends in a first direction, allowing relative movement with the record carrier, and in a second direction that is transverse to the first. The structure consists of layers that are arranged one on top of the other, extending in both the second and a third direction. The design includes adjacent magnetoresistive sensors, each comprising a measuring element and two magnetic elements, which are electrically connected to facilitate the passage of measuring current. Another notable patent is the "Magnetic field sensor comprising a spin-tunnel junction," which further showcases his innovative approach to magnetic sensing technologies.

Career Highlights

Jacobus has worked with prominent companies such as U.S. Philips Corporation and Koninklijke Philips Corporation N.V. His experience in these organizations has allowed him to develop and refine his inventions, contributing to the advancement of technology in the field.

Collaborations

Throughout his career, Jacobus has collaborated with talented individuals, including Pieter Jan Van Der Zaag and Wiepke Folkerts. These partnerships have fostered a creative environment that has led to groundbreaking innovations.

Conclusion

Jacobus J M Ruigrok's contributions to magnetic head technology and his impressive portfolio of patents highlight his role as a leading inventor in the field. His work continues to influence advancements in magnetic recording technologies.

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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