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For the Inventor, By the Inventor

Los Altos, CA, United States of America

Robert G Waarts

This inventor holds 64 USPTO granted patents and 2 published patent applications, primarily in Laser Technology (CPC class 372 ). Top assignees: Sdl Inc., Jds Uniphase Corporation, Spectra Diode Laboratories, Inc.. Active years: 1990-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert G Waarts. Retrieved from https://idiyas.com/inventor/robert-g-waarts

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

Calculating rank
USPTO Granted Patents = 64 

% Patents Active = 90.6

Average Co-Inventor Count = 3.3

ph-index = 30

Forward Citations = 2,315(Granted Patents)

Forward Citations (Not Self Cited) = 2,228(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • both Palo Alto, CA (US) (1990)
  • Palo Alto, CA (US) (1991 - 2000)
  • Fremont, CA (US) (1998 - 2002)
  • Petaluma, CA (US) (2012)
  • Vancouver, WA (US) (2015)
  • Los Altos, CA (US) (2006 - 2023)

Company Filing History:

goldMedal37 out of 197 
 
Sdl Inc.
 patents
silverMedal8 out of 851 
 
Jds Uniphase Corporation
 patents
bronzeMedal7 out of 35 
 
Spectra Diode Laboratories, Inc.
 patents
4. 4 out of 6 
 
Steritec Products Mfg. Co., Inc.
 patents
5. 3 out of 33 
 
Raydiance, Inc.
 patents
6. 2 out of 47 
 
Nlight Photonics Corporation
 patents
7. 2 out of 232 
 
Nlight, Incorporated
 patents
8. 2 out of 24,261 
 
Xerox Corporation
 patents
where one patent can have more than one assignee

Years Active: 1990-2026

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Areas of Expertise:
Biological Indicator Reader
Sterilization Efficacy
Fiber Laser Systems
Optical Fiber Amplifier
Pulsed Laser
High Power Laser
Frequency Conversion
Polarization Maintaining
Diode-Pumped Laser
Multimode Fiber Combiners
Optical Gain Media
Tunable Laser Diode
64 patents (USPTO):Explore Patents
1. 12760351 - Biological indicators, and systems and methods for determining efficacy of sterilization (2026-10-13),
2. 12723273 - Biological indicators, and systems and methods for determining efficacy of sterilization (2026-09-01),
3. 12410459 - Biological indicator reader systems for determining efficacy of sterilization (2025-09-09),
4. 11603551 - Biological indicators, and systems and methods for determining efficacy of sterilization (2023-03-14),
5. 9535217 - Multimode fiber combiners (2017-01-03),
6. 9494738 - Single mode fiber combiners (2016-11-15),
7. 9063289 - Multimode fiber combiners (2015-06-23),
8. 9044829 - Fiber laser systems for cold ablation (2015-06-02),
9. 8139910 - Systems and methods for control of ultra short pulse amplification (2012-03-20),
10. 8125704 - Systems and methods for controlling a pulsed laser by combining laser signals (2012-02-28),
11. 7444049 - Pulse stretcher and compressor including a multi-pass Bragg grating (2008-10-28),
12. 7260133 - Diode-pumped laser (2007-08-21),
13. 7203428 - Method and apparatus for polarization mode dispersion monitoring in a multiple wavelength optical system (2007-04-10),
14. 7177340 - Extended cavity laser device with bulk transmission grating (2007-02-13),
15. 7120174 - Pulsed laser apparatus and method (2006-10-10),

Title: Robert G Waarts: A Pioneer in Biological and Optical Innovations

Introduction

Robert G Waarts is a prolific inventor based in Los Altos, California, known for his innovative contributions to the fields of biology and optics. With a remarkable portfolio of 61 patents, Waarts has significantly advanced technologies that enhance sterilization processes and optical systems.

Latest Patents

One of Waarts' most recent inventions involves biological indicators and systems designed for determining the efficacy of sterilization. This invention includes a biological indicator (BI) housing containing a germinant container filled with a germinant composition. The innovative design features a germinant releaser that strategically releases the germinant composition, in conjunction with a first spore carrier that hosts a plurality of spores. An imaging window allows a BI reader to detect and quantify live spores, requiring advanced image processing to determine their presence.

Another cutting-edge innovation is the multimode fiber combiners, which consist of gradient-step index optical fibers designed to achieve a specific numerical aperture for stable, uniform beam output. By incorporating tapered bundles of fibers, these combiners can be shaped to create selected illuminated apertures, enabling optimal performance when interfaced with laser diodes or other light sources.

Career Highlights

Throughout his career, Robert G Waarts has been affiliated with noteworthy companies, including SDL Inc. and JDS Uniphase Corporation. His expertise in both biology and optics has made significant impacts at these organizations, facilitating advancements in their respective technologies.

Collaborations

Waarts has collaborated with esteemed professionals in his field, including David F. Welch and Donald R. Scifres. Their collective efforts have contributed to pioneering advancements that continue to influence the industry.

Conclusion

Robert G Waarts stands out as an influential inventor, whose contributions to the realms of biological indicators and optical innovations have paved the way for enhanced technologies. His extensive patent portfolio reflects a commitment to advancing research and development, showcasing the importance of creativity and collaboration in technological progress.

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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