Location History:
- Konan, JP (2000 - 2001)
- Sodegaura, JP (1998 - 2002)
Company Filing History:
3 out of 6,892 
2 out of 36,499 
2 out of 832,680 Years Active: 1998-2002
Title: Innovations by Teruhiko Doi: A Profile of Inventions and Impact
Introduction
Teruhiko Doi, an esteemed inventor based in Sodegaura, Japan, has made significant contributions to the field of materials science. With a portfolio of five patents, his work focuses primarily on advanced thermoplastic resin compositions, which have important applications in various manufacturing sectors.
Latest Patents
Among his notable patents, Teruhiko Doi's latest innovations include a thermoplastic resin composition and an injection molded article derived from a high-rigidity ethylene/propylene block copolymer. This innovative copolymer comprises two distinct portions: (I) a crystalline polypropylene portion characterized by a low Q value of not more than 5, a high isotactic pentad fraction of at least 0.98, and an intrinsic viscosity ranging from 0.6 to 0.88 dl/g at 135°C in tetralin; and (II) an ethylene-propylene random copolymer portion with an intrinsic viscosity between 4.0 to 6.0 dl/g at the same temperature and a specified ethylene/propylene ratio. The formulation of this copolymer enhances its rigidity and performance, showcasing Doi's expertise in polymer science.
Career Highlights
Doi's professional journey includes significant roles in renowned corporations such as Sumitomo Chemical Company and Toyota Motor Corporation. His experience in these leading companies has allowed him to refine his technical skills and contribute to pioneering research in polymer materials. His ingenuity in the field has led to innovations that improve product durability and performance.
Collaborations
Throughout his career, Teruhiko Doi has worked alongside prominent colleagues such as Kenichi Ohkawa and Yuichi Miyake. These collaborations fostered a creative environment where ideas could flourish, ultimately leading to the development of his innovative patents and enhancing his impact in the materials science community.
Conclusion
Teruhiko Doi's relentless pursuit of innovation in thermoplastic materials has positioned him as a notable figure in the field. His patents demonstrate not only technical prowess but also a deep understanding of applications in the manufacturing industry. As innovations continue to evolve, Doi's contributions will undoubtedly pave the way for future advancements in polymer 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.