Location History:
- Arlington Heights, IL (US) (1997)
- Charlottesville, VA (US) (1999 - 2003)
- Cupertino, CA (US) (2003 - 2006)
- Saratoga Springs, NY (US) (1989 - 2009)
- Carlsbad, CA (US) (2011)
- Castro Valley, CA (US) (2015)
Company Filing History:
2 out of 4,671 
8 out of 832,812 Years Active: 1989-2015
Title: Innovations of James L Chang
Introduction
James L Chang is a notable inventor based in Saratoga Springs, NY (US), recognized for his contributions to various fields through his innovative designs. He holds a total of 10 patents, showcasing his expertise and creativity in developing practical solutions.
Latest Patents
Among his latest inventions is the Wrapping Film Dispenser. This device features a generally cylindrical container that accommodates a wrapping film roll and includes a slot for extracting sheets of wrapping film. A gripping pad member is attached to one edge of the slot, while a locking element presses the extracted film against the gripping pad, preventing roll back. Additionally, a cutting frame is positioned above the gripping pad to facilitate cutting the film sheet.
Another significant invention is the Addressable Multi-Channel Peristaltic Pump. This innovative pump design allows for the selection and operation of one or more pump heads on a drive shaft, while keeping non-selected heads stationary. It operates using a limited number of motors, enabling the dispensing of multiple fluids without the need for several pumps. This invention is particularly useful in automated multi-channel reagent dispensing systems, such as those used in nucleic acid purification.
Career Highlights
James has worked with prominent companies, including Agilent Technologies, Inc., where he further honed his skills in innovation and product development. His experience in these organizations has contributed significantly to his success as an inventor.
Collaborations
Throughout his career, James has collaborated with talented individuals such as Ronald T Kaneshiro and Ban-Poh Loh. These partnerships have likely enriched his work and led to the development of groundbreaking inventions.
Conclusion
James L Chang is a distinguished inventor whose innovative patents, including the Wrapping Film Dispenser and Addressable Multi-Channel Peristaltic Pump, reflect his commitment to advancing technology. His contributions continue to impact various industries positively.