Company Filing History:
7 out of 122 
1 out of 1,430 
1 out of 832,912 Years Active: 1988-1993
Title: Innovations of Sakae Naito in Carbon Fiber Technology
Introduction
Sakae Naito is a prominent inventor based in Chiba, Japan, known for his significant contributions to the field of carbon fiber technology. With a total of seven patents to his name, Naito has developed innovative processes that enhance the quality and efficiency of carbon fiber production. His work has had a profound impact on the industry, leading to advancements in material performance.
Latest Patents
One of Naito's latest patents is a process for regenerating clogged filters. This invention addresses the challenges faced in the filtration of carbon artefacts derived from heavy oils. The process involves treating the filter medium in an aqueous solution of hydrogen peroxide while applying heat. This method allows for the complete regeneration of clogged filters, restoring their filtration performance to that of new filters.
Another notable patent is a process for preparing pitches, which are essential for manufacturing high-performance carbon fibers. This innovative approach utilizes a continuous dispersion-heat-treating apparatus to convert pitch into mesophase pitch. The process includes a four-step treatment that significantly increases the yield of mesophase pitch while improving the characteristics of the final carbon and graphite fibers produced.
Career Highlights
Throughout his career, Sakae Naito has worked with Maruzen Petrochemical Company, Limited, where he applied his expertise in chemical engineering to develop advanced materials. His innovative approaches have positioned him as a key figure in the field of carbon fiber technology.
Collaborations
Naito has collaborated with notable professionals in his field, including Masatoshi Tsuchitani and Ryoichi Nakajima. These collaborations have further enriched his research and development efforts, leading to groundbreaking advancements in carbon fiber production.
Conclusion
Sakae Naito's contributions to carbon fiber technology through his innovative patents have significantly advanced the industry. His work not only improves production processes but also enhances the performance of carbon materials, making him a noteworthy inventor in this field.