Company Filing History:
Years Active: 2019-2020
Title: The Innovations of Ser Chia Koh
Introduction
Ser Chia Koh is a notable inventor based in Singapore, SG. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work primarily focuses on fluid sensing devices and their applications in printhead technology.
Latest Patents
One of his latest patents is a semiconductor device that includes a capacitive sensor and an ion-sensitive transistor for determining the level and ion concentration of fluid. In this implementation, a method of operating a fluid sensing device involves enabling a fluid level sensing circuit on a printhead to determine fluid levels by sharing an applied charge between a capacitive sensor and a reference capacitor. This method also includes enabling a fluid property sensing circuit to measure a transistor voltage that indicates the concentration of ions gathered on the capacitive sensor. Another significant patent is for an electrically-functional optical target. This invention features a printhead that includes a substrate and an optical target formed from at least one polysilicon strip, which is deposited on the substrate and connected into a circuit.
Career Highlights
Ser Chia Koh is currently employed at Hewlett-Packard Development Company, L.P., where he continues to innovate in the field of semiconductor devices. His work has been instrumental in advancing the capabilities of printhead technology.
Collaborations
He has collaborated with notable coworkers, including Ning Ge and Wai Mun Wong, contributing to various projects and innovations within the company.
Conclusion
Ser Chia Koh's contributions to semiconductor technology and fluid sensing devices highlight his role as a significant inventor in the industry. His patents reflect a commitment to advancing technology and improving the functionality of printheads.