Location History:
- Kisarazu, JP (1988)
- Kimitsu, JP (1993)
- Sodegaura, JP (1982 - 1994)
- Ichihara, JP (2004)
- Chiba, JP (2006)
Company Filing History:
6 out of 2,269 
1 out of 555 
Years Active: 1982-2006
Title: Tatsuya Tomioka: Innovations in Polycarbonate Resins
Introduction
Tatsuya Tomioka, an accomplished inventor based in Chiba, Japan, has made significant contributions to the field of polycarbonate materials. With an impressive portfolio of seven patents, his innovative work focuses on enhancing the properties of optical disk substrates, positioning him as a key player in material science.
Latest Patents
Among his latest innovations is a groundbreaking polycarbonate resin specifically designed for optical disk substrates. This resin boasts a viscosity average molecular weight ranging from 10,000 to 17,000 and is characterized by its meticulously controlled iron content, free total phenol content, and the quantity of releasing agents. Additionally, it features a controlled fraction of hydroxyl end groups and demonstrates specific properties in its H-NMR spectrum.
Tatsuya's polycarbonate resin is particularly noteworthy due to its reduced defects caused by flash, achieved without significantly increasing the amount of releasing agent. This makes the resin an ideal material for optical disk substrates, showcasing his commitment to improving performance while maintaining cost-effectiveness.
Career Highlights
Tatsuya has garnered substantial experience by working with leading companies in the industry, including Idemitsu Kosan Company, Limited, and Idemitsu Petrochemical Co., Ltd. His tenure at these organizations has equipped him with valuable insights into the practical applications of his inventions, further solidifying his reputation in the field of material innovation.
Collaborations
Throughout his career, Tatsuya has collaborated with distinguished professionals such as Hiroshi Kawato and Shigeru Murakami. These partnerships have allowed him to expand his research and development efforts, driving forward the advancement of polymer materials and their applications in diverse technologies.
Conclusion
In conclusion, Tatsuya Tomioka stands out as a prominent inventor in the realm of polycarbonate resins, particularly for optical disk substrates. His innovative patents reflect his dedication to improving material efficiency and effectiveness. As technological advancements continue to evolve, Tatsuya's contributions will undoubtedly play a crucial role in shaping the future of optical media technology.
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.