Company Filing History:
Years Active: 1988-2003
Title: **Sadao Umezawa: A Visionary Inventor in Color Technology and Structural Integrity**
Introduction
Sadao Umezawa, an accomplished inventor based in Mito, Japan, has made significant contributions to the fields of color technology and mechanical structure analysis. With three patents to his name, Umezawa's work reflects his innovative approach and dedication to solving complex engineering challenges.
Latest Patents
Umezawa's most recent patents showcase his ingenuity and technical expertise. One of his notable inventions is a **color cathode ray tube** featuring a deformation-resistant shadow mask. This design addresses the issue of surface deformation by integrating numerous rectangular grooves and circular recesses in the damper part, ensuring enhanced stability and strength.
Additionally, he developed a **method and apparatus for estimating the life expectancy of mechanical structures** exposed to repeated loading. This invention allows for a precise assessment of structural integrity by measuring maximum crack lengths on surfaces. Utilizing statistical methods, Umezawa's apparatus provides critical data that connects crack dimensions to the overall life expectancy of mechanical systems.
Career Highlights
Sadao Umezawa is employed at Hitachi, Ltd., a leading company renowned for its advancements in technology and engineering. His role involves research and development, where he applies his inventive skills to create innovative solutions that benefit the industry.
Collaborations
Throughout his career, Umezawa has collaborated with esteemed colleagues such as Mitsutaka Shizuya and Kazuhiko Kawaike. These partnerships have fostered an environment of shared knowledge and creativity, leading to significant advancements and successful patent applications.
Conclusion
Sadao Umezawa stands out as a prominent figure in the realms of color technology and structural analysis. His inventive contributions not only enhance technological capabilities but also reinforce the importance of research and innovation in modern engineering practices. As he continues to evolve in his career, Umezawa's work will undoubtedly inspire future advancements in the industry.
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.