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For the Inventor, By the Inventor

Pasadena, CA, United States of America

Joseph R Demers

This inventor holds 33 USPTO granted patents and 7 published patent applications, primarily in Terahertz Spectroscopy. Top assignees: Emcore Corporation, San Marino Capital, Inc., Research and Development International Corporation. Active years: 2006-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph R Demers. Retrieved from https://idiyas.com/inventor/joseph-r-demers

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

USPTO Granted Patents = 33 

% Patents Active = 42.4

Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 373(Granted Patents)


Location History:

  • Glendale, CA (US) (2006 - 2012)
  • Alhambra, CA (US) (2010 - 2012)
  • North Hollywood, CA (US) (2013 - 2015)
  • Pasadena, CA (US) (2006 - 2017)
  • Van Nuys, CA (US) (2023)

Company Filing History:

goldMedal17 out of 205 
 
Emcore Corporation
 patents
silverMedal2 out of 2 
 
San Marino Capital, Inc.
 patents
bronzeMedal1 out of 2 
 
Research and Development International Corporation
 patents
4. 13 out of 834,513 
Other
 patents

Years Active: 2006-2023

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Areas of Expertise:
Terahertz Spectrometer
Phase Modulation
Frequency Domain Spectroscopy
Image Propagation
Fiber Optic Gyroscope
High Thermal Conductivity
Sub-Micron Adjustable Mount
Contaminant Detection
Multi-Pass Spectroscopy
Endoscope Connector
Radiation Detection
33 patents (USPTO):Explore Patents
1. 11733156 - Semiconductor package for free-space coupling of radiation and method (2023-08-22),
2. 11680897 - Multi-pass spectroscopy apparatus, associated sample holder and methods (2023-06-20),
3. 9848761 - Method and apparatus for fiberscope employing single fiber bundle for co-propagation of image and illumination (2017-12-26),
4. 9549662 - Endoscope connector method and apparatus (2017-01-24),
5. 9429473 - Terahertz spectrometer and method for reducing photomixing interference pattern (2016-08-30),
6. 9404853 - Terahertz spectrometer with phase modulation (2016-08-02),
7. 9400214 - Terahertz frequency domain spectrometer with a single photoconductive element for terahertz signal generation and detection (2016-07-26),
8. 9239264 - Transceiver method and apparatus having phase modulation and common mode phase drift rejection (2016-01-19),
9. 9103715 - Terahertz spectrometer phase modulator control using second harmonic nulling (2015-08-11),
10. 9086374 - Terahertz spectrometer with phase modulation and method (2015-07-21),
11. 9052238 - Terahertz frequency domain spectrometer with heterodyne downconversion (2015-06-09),
12. 9029775 - Terahertz frequency domain spectrometer with phase modulation of source laser beam (2015-05-12),
13. 8957377 - Method and apparatus for analyzing, identifying or imaging a target (2015-02-17),
14. 8942530 - Endoscope connector method and apparatus (2015-01-27),
15. 8829440 - Terahertz frequency domain spectrometer with discrete coarse and fine tuning (2014-09-09),

Title: Innovations of Joseph R. Demers in Semiconductor Technologies

Introduction

Joseph R. Demers is a notable inventor based in Pasadena, CA, with an impressive portfolio that includes 33 patents. His contributions primarily center around advancements in semiconductor technologies, showcasing his innovative spirit and technical expertise.

Latest Patents

Among his latest patents, Demers has developed a "Semiconductor package for free-space coupling of radiation and method." This patent features a sample cell that includes an annular support surrounding a sample region. It utilizes a set of reflectors within the annular support to define an optical path that reflects a source beam in a sequence of alternating directions through the sample region. This innovative method allows the source beam to exit the set of reflectors after passing through the sample region multiple times at various angles. Additionally, a micro-cell is integrated in the sample region, which includes multi-dimensionally distributed nano-pores. Another notable invention is the "Multi-pass spectroscopy apparatus, associated sample holder and methods," which describes similar optical and reflective functions, emphasizing the practical applications of his work in the field of spectroscopy.

Career Highlights

Throughout his career, Joseph R. Demers has worked for several companies that have contributed to his achievements, including Emcore Corporation. His experience in the technology sector, particularly in semiconductor and optical technologies, has established him as a prominent inventor with a significant impact on contemporary research and development.

Collaborations

Demers has had the opportunity to collaborate with esteemed colleagues, including Ronald T. Logan, Jr. and Bryon Lynn Kasper. These collaborations highlight the collaborative nature of innovation in technology and the importance of shared expertise in advancing scientific research.

Conclusion

Joseph R. Demers continues to push the boundaries of semiconductor technology through his innovative inventions and patents. His work not only enhances the understanding of optical paths and materials but also plays a critical role in the advancement of related technologies. With 33 patents to his name, Demers stands as a testament to the power of innovation and collaboration in engineering and science.

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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