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For the Inventor, By the Inventor

Eindhoven, Netherlands

Peter J Janssen

This inventor holds 21 USPTO granted patents, primarily in Optical Disc Technology. Top assignee: U.S. Philips Corporation. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Peter J Janssen. Retrieved from https://idiyas.com/inventor/peter-j-janssen-qmmwkvui

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

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 220(Granted Patents)


Location History:

  • Emmasingel, NL (1977)
  • Nijmegen, NL (1991)
  • Eindhoven, NL (1976 - 1993)

Company Filing History:

goldMedal21 out of 14,087 
 
U.S. Philips Corporation
 patents

Years Active: 1976-1993

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Areas of Expertise:
Optically Readable Disc
Error Correction Circuit
Television Receiver
Color Television CRT
Vacuum System
Opto-Electronic Apparatus
Playback Unit
Synchronous Detection Circuit
Time Division Multiplexing
Recording System
Disc-Shaped Record Carrier
Chrominance Subcarrier
21 patents (USPTO):Explore Patents
1. 5216664 - Optically readable disc with a centering member fixed to a transparent (1993-06-01),
2. 5013384 - Vacuum system (1991-05-07),
3. 4899329 - Optically readable disc with a centering member fixed to a transparent (1990-02-06),
4. 4839882 - Record carrier with an optically readable trackwise-arranged information (1989-06-13),
5. 4561081 - Opto-electronic apparatus for inscribing and/or reading recording tracks (1985-12-24),
6. 4510508 - Optical disc pressure-collapsible cover (1985-04-09),
7. 4349904 - Error correction circuit using character probability (1982-09-14),
8. 4219849 - Television receiver having a controllable sound suppression filter (1980-08-26),
9. 4200882 - Color television CRT beam current correction circuit (1980-04-29),
10. 4158858 - Television system with two FM sound carriers (1979-06-19),
11. 4157569 - Television receiver having a synchronous detection circuit and a (1979-06-05),
12. 4045812 - Color television recording system employing frequency modulation and (1977-08-30),
13. 4037252 - Apparatus for reading a disc-shaped record carrier with plural scanning (1977-07-19),
14. 4034405 - Television facsimile transmission system (1977-07-05),
15. 4022986 - Playback unit for a long-playing record of a time division multiplexed (1977-05-10),

Title: The Innovative Contributions of Peter J. Janssen

Introduction

Peter J. Janssen is a notable inventor based in Eindhoven, Netherlands, recognized for his significant contributions to technology through his impressive portfolio of patents. With a total of 21 patents to his name, Janssen has made impactful advancements in the field, particularly in optical and vacuum systems.

Latest Patents

Among Janssen's latest innovations are two noteworthy patents. The first is an "Optically readable disc with a centering member fixed to a transparent substrate." This invention features a transparent substrate with an information layer on one side, while the other side has a centering member designed to work with centering mechanisms of devices for inscribing and/or reading the disc. This innovative design allows for enhanced durability and functionality in optical media.

The second patent involves a "Vacuum system" that addresses the challenges of dust ingress during operation. In this design, an inlet opening in the vacuum system is substantially enlarged and sealed with a porous plate. This configuration prevents dust contamination and ensures a uniform gas inflow, which is crucial for maintaining the integrity of vacuum systems. Such advancements reflect Janssen's commitment to improving technology in practical ways.

Career Highlights

Janssen's career is marked by his role at U.S. Philips Corporation, a leading company known for its innovative products in the technology and electronics sectors. His work has played a pivotal role in developing solutions that enhance the functionality and efficiency of various devices, positioning him as a respected figure in his field.

Collaborations

Throughout his career, Janssen has collaborated with esteemed colleagues, including Leonardus A. Verhoeven and Maarten Rutger de Haan. These partnerships have fostered a dynamic exchange of ideas and expertise, resulting in groundbreaking advancements that continue to influence the industry.

Conclusion

Peter J. Janssen's contributions to technology through his innovative patents highlight his role as a leader in the field of invention. His work at U.S. Philips Corporation has not only advanced optical and vacuum technologies but also set new standards for future developments. With a track record of successful collaborations and a commitment to innovation, Janssen's legacy is sure to inspire the next generation of inventors.

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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