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For the Inventor, By the Inventor

Eindhoven, Netherlands

Jan Roos

This inventor holds 10 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jan Roos. Retrieved from https://idiyas.com/inventor/jan-roos

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 49(Granted Patents)


Location History:

  • Emmasingel, NL (1989)
  • Eindhoven, NL (1976 - 1990)

Company Filing History:

goldMedal10 out of 14,087 
 
U.S. Philips Corporation
 patents

Years Active: 1976-1990

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10 patents (USPTO):Explore Patents
1. 4962493 - Record carrier with a follow-on track and apparatus for recording (1990-10-09),
2. 4871228 - Image transfer apparatus utilizing optical fibers (1989-10-03),
3. 4807209 - Record carrier body with a follow-on track and apparatus for recording (1989-02-21),
4. 4319280 - Apparatus for converting cinematographic pictures into video signals (1982-03-09),
5. 4281396 - Magnetic strip domain memory system (1981-07-28),
6. 4052747 - Device for the magnetic domain storage of data having a shift register (1977-10-04),
7. 4012586 - Device for the amplitude modulation of an electrical signal (1977-03-15),
8. 3987363 - Apparatus for testing thin layers of bubble domain material for defects (1976-10-19),
9. 3982276 - Method of copying magnetic recordings provided on a magnetizable medium (1976-09-21),
10. 3969765 - Device for the thermomagnetic recording of information (1976-07-13),

Title: Jan Roos - Innovator in Optical Technologies

Introduction

Jan Roos is a prominent inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of optical technologies, holding a total of 10 patents. His work has been instrumental in advancing the capabilities of recording and image transfer apparatuses.

Latest Patents

Among his latest patents, Jan Roos has developed a record carrier with a follow-on track. This innovative apparatus allows for the recording of information on a disk-shaped record carrier body using a beam of radiation. The carrier body features a diffractive follow-on track that can be scanned with an opto-electronic system, producing an electrical signal to control the beam's position during recording. Another notable invention is an image transfer apparatus utilizing optical fibers. This image magnifier comprises a multitude of fibers arranged in laminar arrays, designed to enhance image transfer efficiency and quality.

Career Highlights

Jan Roos is currently associated with U.S. Philips Corporation, where he continues to push the boundaries of optical technology. His work has not only contributed to the company's innovative portfolio but has also set new standards in the industry.

Collaborations

Throughout his career, Jan has collaborated with notable colleagues, including Pieter Kramer and Klaas Compaan. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their respective fields.

Conclusion

Jan Roos exemplifies the spirit of innovation in optical technologies. His contributions through patents and collaborations have significantly impacted the industry, showcasing his dedication to advancing 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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