Location History:
- Mito, JA (1976)
- Mitoshi, JA (1976)
- Mito, JP (1983 - 1988)
Company Filing History:
7 out of 42,496 
2 out of 1,641 Years Active: 1976-1988
Title: **Inventor Ritsuro Tada: Innovating Thermosetting Resins**
Introduction: Ritsuro Tada is a prominent inventor based in Mito, Japan, known for his significant contributions in the field of thermosetting resins. With a portfolio of 8 patents, Tada has made strides in enhancing material properties for electronic applications, particularly in multilayer printed circuit boards.
Latest Patents: Among Tada's recent innovations is a **thermosetting resin composition and laminate** that consists of essential constituents such as a prepolymer comprising a poly(p-hydroxystyrene) derivative and a 1,2-polybutadiene or a derivative thereof. This resin composition allows for the production of tack-free prepregs, yielding laminated materials with low permittivity, great mechanical strength, flame retardancy, and heat resistance. Another notable patent is a **thermo-setting, polymerizable composition** used to create a cured resin with excellent heat resistance. This composition encompasses at least two polymerizable compounds that maximize efficiency during the polymerization process, resulting in high-density wiring boards that can accommodate LSI chips and chip carriers.
Career Highlights: Ritsuro Tada has had a distinguished career, having worked for major organizations such as Hitachi, Ltd. and Hitachi Chemical Company, Ltd. His efforts in these companies have significantly impacted the development and practical applications of thermosetting resins in various technology sectors.
Collaborations: Throughout his career, Tada has collaborated with notable professionals, including Akio Takahashi and Motoyo Wajima. These partnerships have allowed for fruitful exchanges of ideas and expertise, further driving innovation in the field of polymer and circuit board technologies.
Conclusion: Ritsuro Tada's contributions to the development of advanced thermosetting resin compositions reflect his innovative mindset and dedication to improving material capabilities. His work not only enhances the performance of electronic devices but also exemplifies the crucial role inventors play in fostering technological advancements.