Lake in the Hills, IL, United States of America

Moh-Ching Oliver Chang

This inventor holds 24 USPTO granted patents and 5 published patent applications, plus 8 CIPO patents and 17 EPO patents, primarily in Ostomy Products. Top assignees: Hollister, Inc., Baxter Healthcare Sa, Baxter International Inc.. Active years: 2011-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Moh-Ching Oliver Chang. Retrieved from https://idiyas.com/inventor/moh-ching-oliver-chang

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

USPTO Granted Patents = 24 

% Patents Active = 91.7


 

Average Co-Inventor Count = 1.8

ph-index = 9

Forward Citations = 201(Granted Patents)


Location History:

  • Libertyville, IL (US) (2021)
  • Lake in the Hills, IL (US) (2011 - 2024)

Company Filing History:


Years Active: 2011-2024

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Areas of Expertise:
Ostomy Application
Odor Barrier Film
Biodegradable Film
Multilayer Film
Sound Dampening
Foam Layer
Lubricated Valve
Disposable Catheter
Urostomy Pouch
Fecal Drainage System
Microlayer Structures
Poly (Vinylidene Chloride)
24 patents (USPTO):Explore Patents

Title: The Innovations of Moh-Ching Oliver Chang: A Leader in Ostomy Applications

Introduction

Moh-Ching Oliver Chang, a prolific inventor based in Lake in the Hills, Illinois, has made significant contributions to the field of ostomy applications. With a remarkable portfolio of 24 patents, he has established himself as a notable figure in the industry, consistently pushing the boundaries of innovation and improving the quality of life for those who rely on ostomy devices.

Latest Patents

Among his recent inventions is the "Asymmetric multilayer film for ostomy application." This innovative film features a barrier layer with a distinct design—one side is equipped with a layer that is at least two times thicker than the layer on the opposite side. This configuration enhances the film's functionality, with a total thickness ranging from 25 μm to 50 μm, catering specifically to the needs of ostomy pouch applications.

Another noteworthy patent is the "Odor barrier film," which addresses critical needs in ostomy and bowel management. This multilayer film is composed of a barrier layer primarily made of nylon 6/69, constituting about 90% of its weight. The film excels in providing mechanical strength, an effective odor barrier, and the necessary softness and quietness that patients require for comfort and discretion.

Career Highlights

Throughout his career, Moh-Ching has collaborated with prominent companies, including Hollister, Inc. and Baxter International Inc. His work at these organizations has significantly influenced advancements in medical and consumer products related to ostomy care.

Collaborations

In his journey as an inventor, Moh-Ching has had the opportunity to work alongside experienced professionals such as George J. Cisko and Joel D. Shutt. These collaborations have fueled innovative developments that have real-world applications and improved the quality standards in the industry.

Conclusion

Moh-Ching Oliver Chang's dedication to innovation and enhancement in ostomy applications is evident through his extensive patent portfolio and professional collaborations. His contributions have not only set benchmarks in product development but have also provided vital solutions for improving patients' lives. As he continues to innovate, the potential for further advancements in this field remains promising.

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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