logo

For the Inventor, By the Inventor

Troy, MI, United States of America

Sioe-Heng A Tjoe

This inventor holds 4 USPTO granted patents. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1991-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sioe-Heng A Tjoe. Retrieved from https://idiyas.com/inventor/sioe-heng-a-tjoe

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 23(Granted Patents)


Company Filing History:

goldMedal4 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents

Years Active: 1991-1992

Loading Chart...
4 patents (USPTO):Explore Patents
1. 5145568 - Nonaqueous cathodic electrocoat pigment paste (1992-09-08),
2. 5066688 - Cathodic electrodeposition coatings containing a reactive additive (1991-11-19),
3. 5035785 - Nonionic surfactant as a pigment dispersant and film build additive (1991-07-30),
4. 4994507 - Cathodic electrodeposition coatings containing lead cyanamide as a (1991-02-19),

Title: Sioe-Heng A Tjoe: Innovator in Electrocoating Technologies

Introduction

Sioe-Heng A Tjoe is a notable inventor based in Troy, MI (US), recognized for his contributions to the field of electrocoating technologies. With a total of 4 patents to his name, he has made significant advancements in the development of innovative coating solutions.

Latest Patents

Among his latest patents is the invention of a nonaqueous cathodic electrocoat pigment paste. This invention features an electrodepositable cationic electrocoating bath that utilizes a nonaqueous pigment paste containing an organic solvent. The incorporation of an organic solvent minimizes or eliminates foaming during the production of the pigment paste. Another significant patent involves cathodic electrodeposition coatings that contain a reactive additive, resulting in an improved aqueous electrocoating composition. This composition enhances the cure and chip resistance of finishes formed from it.

Career Highlights

Sioe-Heng A Tjoe is currently employed at E.I. DuPont De Nemours and Company, where he continues to innovate and develop new technologies in the electrocoating sector. His work has contributed to advancements that benefit various industries reliant on high-quality coatings.

Collaborations

Throughout his career, Sioe-Heng has collaborated with esteemed colleagues, including Tapan K Debroy and Ding Y Chung. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Sioe-Heng A Tjoe's contributions to electrocoating technologies exemplify his commitment to innovation in the field. His patents and ongoing work at E.I. DuPont De Nemours and Company highlight his role as a leading inventor in this specialized area.

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]
Loading…