Location History:
- Yukuhashi, JA (1977)
- Yukuhashi, JP (1981)
Company Filing History:
2 out of 2,333 
1 out of 42,485 
Years Active: 1977-1981
Title: Ryoji Takahashi: Innovator in Mold Binder Materials and Cast Iron Melting Processes
Introduction
Ryoji Takahashi is a notable inventor based in Yukuhashi, Japan. He has made significant contributions to the fields of mold binder materials and cast iron melting processes. With a total of 2 patents, his work has had a considerable impact on manufacturing efficiency and material properties.
Latest Patents
Takahashi's latest patents include a mold binder material designed to be hardened by CO₂ gas. This innovative binder material comprises a combination of polymers containing carboxyl groups, multi-valent metal oxides, multi-valent metal hydroxides, and polyvinyl alcohol group resins. The material offers several advantages, such as easy preparation of mold sand, easy removal by water washing, extended working time, enhanced mold strength, improved working atmosphere, increased production efficiency, and reduced CO₂ gas usage.
Another significant patent is his cast iron melting process, which involves charging recarburizer in the lower portion of an electric arc furnace, along with iron scraps and oxidizing slag-forming agents. This process minimizes the loss of carbon and silicon while improving recarburizing yield, leading to better economic outcomes.
Career Highlights
Throughout his career, Ryoji Takahashi has worked with prominent companies such as Hitachi Metals, Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of materials science and engineering.
Collaborations
Takahashi has collaborated with notable coworkers, including Tetsuo Nakazawa and Junji Sakai. Their combined expertise has contributed to the successful development of his patented technologies.
Conclusion
Ryoji Takahashi's contributions to mold binder materials and cast iron melting processes demonstrate his innovative spirit and commitment to improving manufacturing techniques. His patents reflect a deep understanding of material properties and their applications in 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.