Company Filing History:
3 out of 5,188 
3 out of 34 
2 out of 17 Years Active: 1986-1996
Title: The Innovative Mind of Chin-Hai Chang
Introduction
Chin-Hai Chang, a prominent inventor based in Los Altos, CA, has made significant contributions to the field of biological sciences with a total of nine patents. His inventive approach focuses on enhancing immune response detection methods, showcasing a keen understanding of complex biological interactions.
Latest Patents
Among Chin-Hai Chang's latest patents are two noteworthy innovations. The first is the "Alloantigen enhancement assay," which provides methods and compositions for determining cross-reactive alleles. This invention utilizes an antibody to bind to alleles on a surface, incorporating both positive and negative controls to distinguish between various alleles based on enhanced detection values.
The second patent involves the "Detection of HLA antigen-containing immune complexes," which outlines methods for identifying anti-HLA antibodies and HLA-containing immune complexes within biological samples. By binding the complement protein Clq to a solid substrate and detecting immune complexes with labeled reagents, this method significantly advances the field of immunology.
Career Highlights
Chin-Hai Chang has also garnered experience working with notable companies such as Becton Dickinson and Company Limited, and Sangstat Medical Corporation. His time in these organizations has allowed him to refine his technical expertise and develop groundbreaking solutions in medical diagnostics and immunotherapeutics.
Collaborations
Throughout his career, Chang has collaborated with talented individuals like Alex M. Saunders and Philippe J. Pouletty. These partnerships reflect his commitment to working alongside experts in his field, further pushing the boundaries of scientific innovation and discovery.
Conclusion
Chin-Hai Chang’s contributions to the realms of immunology and biological detection represent a blend of creativity and scientific rigor. With a solid patent portfolio, he continues to impact the field through innovative methods and techniques, paving the way for future advancements in medical diagnostics.