Company Filing History:
3 out of 1,641 
2 out of 42,485 
Years Active: 1989-1992
Title: Hirohumi Izumi - Innovator in Cathode Ray Tube Technology
Introduction
Hirohumi Izumi, an accomplished inventor based in Kitaibaraki, Japan, holds three patents, contributing significantly to the field of cathode ray tube technology. His innovative approaches have advanced manufacturing processes and improved product quality in this niche area.
Latest Patents
The latest patents attributed to Hirohumi Izumi include:
1. **Method for Making a Cathode Ray Tube**: This innovative method entails the positioning of a non-reflective transparent plate in front of a faceplate of a tube body, with a defined space between them. The process involves filling this space with a specially formulated resin composition and heating it to harden. The composition, an unsaturated polyester resin, bonds the tube body to the transparent plate without inducing strain during hardening, allowing for rapid molding.
2. **Process for Using Unsaturated Polyester Resin Composition for Treating**: This patent involves a resin composition that incorporates maleic anhydride into an unsaturated polyester resin mix. This formulation is characterized by low viscosity, excellent transparency, and strong adhesiveness, which benefits the treatment of cathode-ray tubes by preventing surface defects.
Career Highlights
Hirohumi Izumi has made notable contributions while working at prominent organizations, including Hitachi Chemical Company, Ltd. and Hitachi, Ltd. His industry experience, combined with his inventive spirit, has played a crucial role in advancing technologies that are highly relevant even today.
Collaborations
Throughout his career, Hirohumi has collaborated with esteemed colleagues such as Etsuji Iwami and Toshimasa Ishigaki. These partnerships have fostered an environment of creativity and innovation, leading to the development of cutting-edge technologies in the field.
Conclusion
Hirohumi Izumi's contributions to the cathode ray tube industry through his patents reflect his dedication to innovation and improvement in product manufacturing. His inventive methodologies and collaborations underscore the importance of teamwork in technological advancements, serving as an inspiration for future inventors in the field.
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.