Location History:
- Fukushima, JP (2009 - 2010)
- Tokyo, JP (2010 - 2019)
Company Filing History:
Years Active: 2009-2019
Title: Hirohito Kawama: Innovator in Polyarylene Sulfide Production
Introduction
Hirohito Kawama is a prominent inventor based in Tokyo, Japan, renowned for his contributions to the field of polymer production, particularly in polyarylene sulfide. With a remarkable portfolio of nine patents, he continues to innovate techniques that enhance the efficiency and environmental sustainability of chemical processes.
Latest Patents
His latest inventions focus primarily on advancing the production methods of polyarylene sulfide (PAS). One notable patent details a method for producing PAS wherein an unreacted dihalo aromatic compound is effectively recovered and reused. The process includes several critical steps:
- A polymerization step;
- A separation step;
- A recovery step, utilizing steam distillation to recover the unreacted dihalo aromatic compound from a water-containing mixture.
Additionally, Kawama's production apparatus ensures high-quality polymer production while significantly reducing environmental impact by preventing the leakage of floating polymers during the washing process.
Career Highlights
Kawama's career is marked by significant advancements in polymer production methodologies at Kureha Corporation, where he has been instrumental in developing innovative solutions that address both quality and environmental concerns. His expertise has positioned him as a key figure in research and development within the organization.
Collaborations
Throughout his career, Hirohito Kawama has collaborated with notable colleagues, including Hiroyuki Sato and Koichi Suzuki. Their teamwork has fostered an environment of innovation, leading to substantial improvements in polymer production techniques and applications.
Conclusion
Hirohito Kawama's work exemplifies the spirit of innovation within the chemical engineering field. His dedication to advancing production methods in polyarylene sulfide not only showcases his expertise but also reflects a growing commitment to sustainable practices in manufacturing. Through his patents and collaborations, he continues to influence the future of polymer chemistry positively.
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.