Location History:
- Shimotsuga-gun, JP (1995)
- Ishibashi, JP (1995)
- Shimotsuga, JP (1995 - 1996)
- Oyama, JP (1995 - 2005)
Company Filing History:
7 out of 51,929 
3 out of 35 
1 out of 832,912 Years Active: 1995-2005
Title: Kenichi Ishiwa: Innovator in Flame-Retardant Compositions and Polycarbonate Technologies
Introduction
Kenichi Ishiwa is a notable inventor based in Oyama, Japan. He has made significant contributions to the field of materials science, particularly in the development of flame-retardant compositions and polycarbonate technologies. With a total of 11 patents to his name, Ishiwa's work has had a lasting impact on various industries.
Latest Patents
Ishiwa's latest patents include a flame-retardant composition and article, which involves a resin composition useful for wire and cable covering material. This composition is formed by compounding a phosphate ester retardant, boron phosphate, and zinc borate hydrate with a polyphenylene ether group resin or a combination of a polyphenylene ether group resin and an aromatic vinyl group resin in a specific ratio. Another significant patent is for a method for the preparation of polycarbonate with reduced levels of Fries. This invention provides a composition comprising polycarbonate with a very low Fries content, made by the melt process. The resulting polycarbonate exhibits high ductility and impact strength, making it suitable for applications such as optical disks that resist breakage due to bending.
Career Highlights
Throughout his career, Kenichi Ishiwa has worked with prominent companies, including General Electric Company and GE Plastics Japan Ltd. His experience in these organizations has allowed him to refine his expertise in materials development and innovation.
Collaborations
Ishiwa has collaborated with notable coworkers, including Hideyuki Itoi and Tomoaki Shimoda. Their combined efforts have contributed to advancements in the field of materials science.
Conclusion
Kenichi Ishiwa's innovative work in flame-retardant compositions and polycarbonate technologies showcases his dedication to advancing materials science. His contributions continue to influence various industries, highlighting the importance of innovation in creating safer and more efficient materials.