Location History:
- Waki, JP (1980)
- Kuga, JP (1991 - 1993)
- Iwakuni, JP (1993)
- Kuga-gun, JP (1996 - 1997)
- Yamaguchi-ken, JP (1998)
- Yamaguchi, JP (1992 - 1999)
- Waki-cho, JP (1999 - 2003)
Company Filing History:
13 out of 1,008 
4 out of 1,786 
2 out of 3,542 
Years Active: 1980-2003
Title: Hiroji Niimi: Innovator in Polyester Technology
Introduction
Hiroji Niimi, an accomplished inventor based in Yamaguchi, Japan, holds an impressive portfolio of 18 patents. His work primarily focuses on advancements in polyester technology, contributing significantly to the field through innovative processes and materials that enhance performance and sustainability in various applications.
Latest Patents
Niimi's latest inventions highlight his dedication to improving polyester production and applications. One notable patent is a process for making polyester pellets. This innovative method involves blending polyethylene terephthalate and polyethylene isophthalate copolymer before solid state polymerization. The copolymer is formed from dicarboxylic acids, including terephthalic and isophthalic acids, along with diol components derived from ethylene glycol and 1,3-bis(2-hydroxyethoxy)benzene. The process enhances the pelletization and crystallization of the resulting blend, providing a more efficient production method.
Another significant patent is for a polyester resin composition and the hollow molded containers derived from it. This composition includes polyethylene terephthalate mainly composed of dicarboxylic acid units, and it also incorporates an ethylene/methacrylic acid copolymer. This innovative blend achieves superior performance attributes while maintaining a low environmental impact, demonstrating Niimi's commitment to sustainable material development.
Career Highlights
Throughout his career, Hiroji Niimi has lent his expertise to prominent companies in the chemical industry. He has worked with Mitsui Petrochemical Industries, Ltd. and Mitsui Chemicals, Inc., where he has applied his innovative mindset to develop new and effective materials and processes that have the potential to reshape industry standards.
Collaborations
Niimi's collaborative spirit is evident in his work alongside notable colleagues such as Susumu Hatabu and Kunio Tomita. These partnerships have allowed for a dynamic exchange of ideas and expertise, fostering creativity and advancing the field of polyester technology.
Conclusion
Hiroji Niimi stands out as a leading innovator in polyester technology, with a remarkable array of patents that demonstrate his commitment to improving materials and processes. His latest inventions signify a forward-thinking approach to sustainability and efficiency, making a lasting impact on the industry and inspiring future advancements in polyester production.
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.