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For the Inventor, By the Inventor

Atlantic Highlands, NJ, United States of America

Robert J Deri

This inventor holds 5 USPTO granted patents. Top assignees: Bell Communications Research, Inc., Fujitsu Corporation. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert J Deri. Retrieved from https://idiyas.com/inventor/robert-j-deri-q5n52k93

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 4

Forward Citations = 80(Granted Patents)


Location History:

  • Atlantic Highlands, NJ (US) (1990 - 1991)
  • Rumson, Monmouth, NJ (US) (1991)
  • Rumson, NJ (US) (1992)

Company Filing History:

goldMedal5 out of 670 
 
Bell Communications Research, Inc.
 patents
silverMedal1 out of 39,374 
 
Fujitsu Corporation
 patents
where one patent can have more than one assignee

Years Active: 1990-1992

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5 patents (USPTO):Explore Patents
1. 5125050 - Vertical metallically loaded polarization splitter and (1992-06-23),
2. 5054871 - Semiconductor waveguide and impedance-matched detector (1991-10-08),
3. 5006906 - Integrated semiconductor waveguide/photodetector (1991-04-09),
4. 4943133 - Low loss semiconductor optical phase modulator (1990-07-24),
5. 4940303 - Optical system comprising non-uniformly spaced array of parallel optical (1990-07-10),

Title: The Innovations of Robert J Deri

Introduction

Robert J Deri is a notable inventor based in Atlantic Highlands, NJ (US). He has made significant contributions to the field of optical technology, holding a total of 5 patents. His work has advanced the understanding and application of polarization in optical systems.

Latest Patents

Deri's latest patents include a vertical metallically loaded polarization splitter. This invention features a polarization diversity receiver that comprises a lower optical waveguide and an upper waveguide formed in the area of the receiver. A rib formed in the lower waveguide directs light along an optical axis in the receiver. A metal layer deposited over the upper waveguide preferentially couples light of the TE-mode from the lower to the upper waveguide, where it is detected by a p--i--n photo-diode. Additionally, a second p--i--n photo-diode is formed on the optical axis a distance away from the first photo-diode. The intervening region acts as a coupling region to couple the remaining TM-mode radiation from the lower to the upper waveguide, where it is detected by the second photo-diode. Another significant patent is for an impedance-matched semiconductor detector formed on a portion of a waveguide. This invention includes a waveguiding layer with one refractive index and a light-absorbing layer with another refractive index. An impedance matching layer is formed between these layers, having a refractive index that is intermediate between the two.

Career Highlights

Throughout his career, Robert J Deri has worked with prominent companies such as Bell Communications Research, Inc. and Fujitsu Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Deri has collaborated with notable individuals in his field, including Osamu Wada and Joseph H Abeles. These partnerships have contributed to the advancement of his inventions and the overall progress in optical technology.

Conclusion

Robert J Deri's contributions to the field of optical technology through his patents and collaborations highlight his innovative spirit and dedication to advancing the industry. His work continues to influence the development of new optical systems and 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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