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For the Inventor, By the Inventor

Portland, OR, United States of America

Steven J Randolph

This inventor holds 23 USPTO granted patents and 4 published patent applications and 7 EPO patents, primarily in Charged Particle Beams. Top assignees: Fei Comapny, Other. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steven J Randolph. Retrieved from https://idiyas.com/inventor/steven-j-randolph

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

USPTO Granted Patents = 23 

% Patents Active = 95.7

 

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 68(Granted Patents)


Location History:

  • Chatsworth, CA (US) (1996)
  • Northridge, CA (US) (2002)
  • Portland, OR (US) (2012 - 2023)

Company Filing History:

goldMedal21 out of 862 
 
Fei Comapny
 patents
silverMedal2 out of 834,513 
Other
 patents

Years Active: 1996-2026

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Areas of Expertise:
Charged Particle Beam Source
Plasma Focused Ion Beams
Material Characterization
Nano-Objects Attachment
Laser-Induced Deposition
Correlative Microscopy
Microfluidics Delivery
Electron-Beam Delineation
Thin Film Deposition
Gas Delivery Systems
Laser Ablation Micromachining
23 patents (USPTO):Explore Patents
1. 12525420 - Charged particle beam source (2026-01-13),
2. 11735404 - Method, device and system for the treatment of biological cryogenic samples by plasma focused ion beams (2023-08-22),
3. 11380511 - Charged particle beam source (2022-07-05),
4. 10777383 - Method for alignment of a light beam to a charged particle beam (2020-09-15),
5. 10501851 - Attachment of nano-objects to beam-deposited structures (2019-12-10),
6. 10023955 - Seed layer laser-induced deposition (2018-07-17),
7. 9983152 - Material characterization using ion channeling imaging (2018-05-29),
8. 9951417 - Method of depositing material (2018-04-24),
9. 9812286 - Localized, in-vacuum modification of small structures (2017-11-07),
10. 9478390 - Integrated light optics and gas delivery in a charged particle lens (2016-10-25),
11. 9368321 - Fiducial-based correlative microscopy (2016-06-14),
12. 9334568 - Beam-induced deposition of low-resistivity material (2016-05-10),
13. 9255339 - Localized, in-vacuum modification of small structures (2016-02-09),
14. 9150961 - Gas delivery for beam processing systems (2015-10-06),
15. 9090973 - Beam-induced deposition of low-resistivity material (2015-07-28),

Title: Steven J Randolph: Innovator in Biological Sample Treatment

Introduction

Steven J Randolph, based in Portland, Oregon, is a prominent inventor with an impressive portfolio of 20 patents. His work primarily focuses on advanced methodologies and systems for the treatment of biological samples, paving the way for innovative applications in genomics and proteomics.

Latest Patents

One of Randolph's latest innovations is titled "Method, device and system for the treatment of biological cryogenic samples by plasma focused ion beams." This invention introduces a method, device, and system designed to treat biological frozen samples using plasma focused ion beams (FIB). The technique enables these samples to be utilized effectively in mass spectrometry, genomics—including gene sequencing and next-generation sequencing (NGS)—and proteomics. The method comprises crucial steps, including the provision of a biological sample in frozen form and treatment using a plasma ion beam, specifically employing oxygen and/or xenon plasma.

Career Highlights

Steven J Randolph has made significant contributions to his field through his role at FEI Company, known for its advanced electron and ion microscopy solutions. His extensive experience and innovative approaches distinguish him as a key figure in the development of cutting-edge techniques for biological analysis.

Collaborations

Throughout his career, Randolph has collaborated with talented individuals such as Milos Toth and Clive D Chandler. These partnerships have facilitated the exchange of ideas and accelerated the advancement of technologies related to biological sample treatment, thereby enriching the scientific community.

Conclusion

In summary, Steven J Randolph's commitment to innovation in the field of biological sample treatment has yielded numerous patents and valuable collaborations. His groundbreaking work continues to influence the domains of mass spectrometry, genomics, and proteomics, establishing him as a leading inventor in the industry.

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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