Location History:
- San Mateo, CA (US) (1976)
- San Jose, CA (US) (1992 - 2007)
- Scarsdale, NY (US) (2007)
Company Filing History:
5 out of 164,108 
2 out of 1,214 
1 out of 27,394 
Years Active: 1976-2007
Title: Henry C. Chang: Innovator in Software Validation and Web Service Discovery
Introduction
Henry C. Chang is a notable inventor based in San Jose, CA, with a significant contribution to the field of software engineering. He holds 9 patents that showcase his innovative approaches to software validation and web service discovery. His work has had a profound impact on how software systems are tested and how data is aggregated from multiple sources.
Latest Patents
One of his latest patents is titled "Efficient re-validation of modified software." This invention presents an automated software re-testing system designed to efficiently validate the proper operation of software according to specified requirements. The system automatically creates regression tests in an object-oriented environment, utilizing the inheritance hierarchy to determine which classes require testing. By identifying unchanged system classes and those dependent solely on them, the system saves time and effort by skipping unnecessary re-testing.
Another significant patent is the "Method and structure for federated web service discovery search over multiple registries with result aggregation." This invention outlines a method for querying various web-based data sources. It involves receiving a query statement, parsing it to identify target data sources, and dispatching queries accordingly. The inclusion of an aggregate operator allows for logical operations to be performed on the results returned from these searches.
Career Highlights
Henry has worked with prominent companies such as IBM and Headway Technologies, Incorporated. His experience in these organizations has contributed to his expertise in software development and innovation.
Collaborations
Throughout his career, Henry has collaborated with notable professionals, including Robert Otto Schwenker and Mao-Min Chen. These partnerships have likely enriched his work and led to further advancements in his field.
Conclusion
Henry C. Chang is a distinguished inventor whose contributions to software validation and web service discovery have made a lasting impact. His innovative patents reflect his commitment to improving technology and efficiency in software systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.