This inventor holds 52 USPTO granted patents, primarily in MEMS Fabrication (CPC class H01L). Top assignees: Sharp Laboratories of America, Inc, Other. Active years: 2002-2014.
Inventors with similar research interests:
Company Filing History:
51 out of 2,034Â 
1 out of 834,411Â Years Active: 2002-2014
Areas of Expertise:
Title: Innovations by John Hartzell: A Master of Patents in Camas, WA
Introduction
John Hartzell, based in Camas, Washington, has made significant contributions to the field of technology through his impressive portfolio of 52 patents. His work primarily focuses on innovative touch sensors and fluid-assay structures, showcasing his ability to bridge cutting-edge research with practical applications.
Latest Patents
Hartzell's latest innovations include:
1. **In-pixel ultrasonic touch sensor for display applications** - This invention presents a video display equipped with a planar piezoelectric transmitter that transmits ultrasound signals. Each pixel within the display panel has a data interface that accepts video signals with variable voltages to indicate light intensity values. It is designed to supply a touch signal derived from reflected ultrasound signal energies. Notably, this setup allows the storage capacitor and piezoelectric transducer to function as a single device, enhancing efficiency. The light device utilized may include a liquid crystal layer or a light-emitting diode.
2. **Micro-pixelated fluid-assay structure with on-board addressable, pixel-specific functionalization** - This digitally-addressable, pixelated DNA fluid-assay micro-structure is formed using low-temperature thin-film transistor (TFT) and silicon technology on a glass or plastic substrate. Each pixel is precisely defined to host functionalized assay sites that contain DNA oligonucleotide probes. The structure integrates sensor components and methodologies crucial for conducting DNA assays, showcasing Hartzell's commitment to advancing fluid-assay technology.
Career Highlights
Throughout his career, John Hartzell has worked with esteemed organizations, notably Sharp Laboratories of America. His innovative work has earned him recognition and respect among his peers in the technology sector.
Collaborations
Hartzell has collaborated with talented individuals such as Apostolos T. Voutsas and Pooran Chandra Joshi. These partnerships highlight the collaborative nature of technological advancements and the importance of teamwork in the innovation process.
Conclusion
John Hartzell's extensive array of patents and innovative designs exemplifies his dedication to technology and invention. His contributions, particularly in the fields of touch sensors and fluid assays, not only advance scientific knowledge but also offer practical solutions that can influence various industries. As he continues to innovate, Hartzell remains a notable figure in the world of patents and inventions.