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For the Inventor, By the Inventor

Eindhoven, Netherlands

Johannes O Voorman

This inventor holds 62 USPTO granted patents, primarily in Magnetic Information Technology (CPC class 3302). Top assignees: U.S. Philips Corporation, Koninklijke Philips Corporation N.v., Hewlett-Packard Company. Active years: 1977-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johannes O Voorman. Retrieved from https://idiyas.com/inventor/johannes-o-voorman

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

USPTO Granted Patents = 62

% Patents Active = 95.2

Average Co-Inventor Count = 1.6

ph-index = 12

Forward Citations = 666(Granted Patents)

Forward Citations (Not Self Cited) = 655(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Einhoven, NL (2001)
  • Eindhoven, NL (1977 - 2005)
  • Geldrop, NL (1996 - 2008)

Company Filing History:

goldMedal54 out of 14,087 
 
U.S. Philips Corporation
 patents
silverMedal7 out of 21,910 
 
Koninklijke Philips Corporation N.v.
 patents
bronzeMedal2 out of 9,639 
 
Hewlett-Packard Company
 patents
4. 1 out of 6 
 
Philips Electronics N.v.
 patents
where one patent can have more than one assignee

Years Active: 1977-2008

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Areas of Expertise:
Optical Disk System
Delay-Difference Detector
Magnetic Information
Current Mirror Circuit
Automatic Gain Control
Integrated System
Digital Information Signal
Analog-to-Digital Converter
Sigma-Delta Modulator
Write Compensation Device
Transmission System
Balanced Filter Circuit
62 patents (USPTO):Explore Patents
1. 7433292 - Optical disk system with delay-difference detector without delay lines (2008-10-07),
2. 7313060 - Optical disk system with non-linearly controlled amplifier (2007-12-25),
3. 6940670 - Method of reading magnetic information which is immunized against thermal asperities (2005-09-06),
4. 6788749 - Erasure based instantaneous loop control in a data receiver (2004-09-07),
5. 6747330 - Current mirror circuit with interconnected control electrodies coupled to a bias voltage source (2004-06-08),
6. 6515812 - Servo format for hard disks, preferably hard disks (2003-02-04),
7. 6449113 - Device for reading magnetic information (2002-09-10),
8. 6381082 - Arrangement for reading information form a record carrier (2002-04-30),
9. 6324028 - Recording apparatus provided with a write driver circuit (2001-11-27),
10. 6304396 - Arrangement for reading information from a magnetic record carrier (2001-10-16),
11. 6288859 - Device for write compensation in magnetic-media recording (2001-09-11),
12. 6188250 - Peak detection apparatus (2001-02-13),
13. 6137647 - Automatic gain control circuit for use in detecting servo pulses for (2000-10-24),
14. 6134065 - Method and device utilizing erasure information as a reliability (2000-10-17),
15. 6118833 - Fast acquisition method for obtaining data from a transmission channel (2000-09-12),

Title: Johannes O Voorman: Pioneering Innovation in Optical Disk Systems

Introduction

Johannes O Voorman, a visionary inventor based in Eindhoven, NL, is renowned for his relentless pursuit of innovation in the field of technology. With an impressive portfolio of 62 patents, Voorman has cemented his legacy as a true pioneer in the realm of invention. His passion for creating a better world through technological advancements has not only reshaped industries but has also inspired countless inventors to push the boundaries of what is deemed possible.

Latest Patents

Voorman's latest patents showcase his expertise in optical disk systems, particularly focusing on enhancing detection mechanisms without the need for delay lines. The introduction of delay-lineless delay-difference detectors, comprising combinatorial-logic and sequential-logic circuits, has revolutionized the efficiency and cost-effectiveness of optical disk systems. By incorporating a novel approach that considers both rising and falling edges, Voorman has effectively minimized the impact of time-jitter, thus optimizing the overall performance of these systems.

Career Highlights

Throughout his illustrious career, Voorman has made significant contributions to renowned companies such as U.S. Philips Corporation and Koninklijke Philips Corporation N.V. Under his leadership, innovative technologies have been developed and implemented, setting new standards for excellence in the industry. His dedication to driving technological advancements forward has earned him a reputation as a trailblazer in the field of invention.

Collaborations

Voorman's collaborative efforts with esteemed coworkers Johannes W Bergmans and Joao N Ramalho have played a pivotal role in shaping the landscape of optical disk systems. Together, they have leveraged their collective expertise to overcome challenges and deliver groundbreaking solutions that have further solidified Voorman's position as a visionary inventor. Their synergistic approach to innovation has led to the development of cutting-edge technologies that continue to push the boundaries of what is achievable.

Conclusion

In conclusion, Johannes O Voorman's passion for innovation and his unwavering dedication to creating transformative technologies have positioned him as a true visionary in the field of invention. His pioneering work in optical disk systems serves as a testament to his ingenuity and relentless pursuit of excellence. As his inventions continue to inspire the next generation of inventors, Voorman's impact on the world of technology is sure to endure for years to come.

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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