Location History:
- Corvallis, OR (US) (1998 - 2010)
- Elk Grove, CA (US) (2011)
Company Filing History:
15 out of 9,638 
10 out of 27,394 
1 out of 832,680 Years Active: 1998-2011
Title: Joseph W. Tsang: Innovator in Print Quality Enhancement
Introduction
Joseph W. Tsang is a prolific inventor based in Corvallis, Oregon, with an impressive portfolio of 26 patents. His innovations focus primarily on enhancing the quality and permanence of ink-jet inks, marking significant advancements in printing technology.
Latest Patents
One of Joseph's most notable patents involves the development of polymeric additives aimed at improving print quality and permanence attributes in ink-jet inks. This innovation features a two-part fixative system that functions in conjunction with overcoating printed ink-jet inks on various print media. The first component consists of a reactive monomer or oligomer, selected from isocyanates and epoxy-terminated oligomers, sometimes included within a vehicle. The second component comprises polyols and polyvinyl alcohols, complemented by one or more base catalysts, also optionally in a vehicle. The unique reaction of these components forms a hydrophobic polymer overcoating, providing enhanced durability, with a glass transition temperature ranging from -20°C to +50°C and a melting temperature from 30°C to 100°C.
Career Highlights
Throughout his career, Joseph W. Tsang has made significant contributions to the field of ink technology while working for renowned companies such as Hewlett-Packard Company and Hewlett-Packard Development Company, L.P. His work has not only advanced the products of these leading enterprises but has also set standards in the industry.
Collaborations
During his career, Joseph has collaborated with esteemed colleagues, including John R. Moffatt and Ravi Prasad. These partnerships have played a crucial role in the development of his innovative solutions, driving the evolution of printing technology and enhancing collaborative research efforts.
Conclusion
Joseph W. Tsang stands out as an accomplished inventor in the realm of printing technology. His dedication to enhancing ink-jet printing through innovative solutions continues to influence the industry positively. With his substantial patent portfolio and collaborative efforts, Joseph's work will undoubtedly leave a lasting impact on future advancements in ink technology.
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.