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For the Inventor, By the Inventor

Santa Clara, CA, United States of America

Alexander Sou-Kang Ko

This inventor holds 90 USPTO granted patents and 29 published patent applications and 14 EPO patents, primarily in Inkjet Printing Technology (CPC class H01L51-56). Top assignees: Kateeva, Inc., Applied Materials, Inc., Other. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alexander Sou-Kang Ko. Retrieved from https://idiyas.com/inventor/alexander-sou-kang-ko

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

USPTO Granted Patents = 90 

% Patents Active = 84.4

 

Average Co-Inventor Count = 4.0

ph-index = 12

Forward Citations = 359(Granted Patents)

Forward Citations (Not Self Cited) = 170(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sunnyvale, CA (US) (2002 - 2004)
  • Santa Clara, CA (US) (2012 - 2024)

Company Filing History:

goldMedal82 out of 225 
 
Kateeva, Inc.
 patents
silverMedal5 out of 14,482 
 
Applied Materials, Inc.
 patents
bronzeMedal3 out of 834,570 
Other
 patents

Years Active: 2002-2026

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Areas of Expertise:
Inkjet Printer
Thermal Treatment
Gas Enclosure
Substrate Height Control
Drop Placement Analyzer
Print Material Feed
Printer Calibration
Ejection Control
OLED Formulations
Environmental Containment
Electronic Device Encapsulation
Ink Droplet Measurement
90 patents (USPTO):Explore Patents
1. 12689698 - Inkjet print planning method (2026-07-21),
2. 12575362 - Techniques for thermal treatment of electronic devices (2026-03-10),
3. 12552183 - Inkjet printer with substrate height position control (2026-02-17),
4. 12525467 - Apparatus and techniques for electronic device encapsulation (2026-01-13),
5. 12379159 - Systems and methods for drying patterned OLED formulations (2025-08-05),
6. 12370790 - Ejection control using substrate alignment features and print region alignment features (2025-07-29),
7. 12344014 - Gas enclosure assembly and system (2025-07-01),
8. 12251946 - Printing system assemblies and methods (2025-03-18),
9. 12220928 - Drop placement analyzer for inkjet printing system (2025-02-11),
10. 12220926 - Print material feed system (2025-02-11),
11. 12168361 - Test substrate for inkjet printer drop placement analyzer (2024-12-17),
12. 12157304 - Printer calibration module (2024-12-03),
13. 12064979 - Low-particle gas enclosure systems and methods (2024-08-20),
14. 12049078 - Inkjet printer with substrate height position control (2024-07-30),
15. 12040203 - Techniques for thermal treatment of electronic devices (2024-07-16),

Title: The Innovations of Alexander Sou-Kang Ko

Introduction

Alexander Sou-Kang Ko is a notable inventor based in Santa Clara, CA. With an impressive portfolio of 82 patents, he has made significant contributions to the field of inkjet printing technology. His latest inventions showcase innovative solutions that enhance printing systems and material handling.

Latest Patents

Among his latest patents is the **Drop Placement Analyzer for Inkjet Printing System**. This invention describes a drop placement analyzer that features a film support with an opaque, optically non-interfering vacuum surface. This design allows for the immobilization of a film and the photographing of drops from the same side of the film, improving accuracy in evaluating drop placement.

Another noteworthy patent is the **Print Material Feed System** for inkjet printers. This system includes a print assembly and a sophisticated feed mechanism which comprises both a first and a second circulation circuit. This innovative setup ensures efficient fluid dynamics between the circuits and the print assembly, enhancing the overall printing process.

Career Highlights

Throughout his career, Alexander has worked for renowned companies like Kateeva, Inc. and Applied Materials, Inc. His experiences in these leading technology firms have significantly shaped his inventive approach, allowing him to develop advanced solutions in the domain of printing technology.

Collaborations

Alexander has collaborated with notable industry professionals, including his coworkers Eliyahu Vronsky and Justin Mauck. Their collective expertise has contributed to the successful execution of various projects, furthering advances in printing technologies.

Conclusion

In summary, Alexander Sou-Kang Ko stands out as a prolific inventor with a strong focus on innovations within inkjet printing systems. His impressive patent count and his work experience in reputable firms illustrate the depth of his knowledge and creativity in the engineering field. As he continues to push the boundaries of technology, his contributions are sure to leave a lasting impact.

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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