Isao Negisi

Title: Isao Negisi: Innovator in Noise Insulating Materials

Introduction

Isao Negisi is a notable inventor based in Kawaguchi, Japan. He has made significant contributions to the field of noise insulating materials, particularly through his innovative patent. His work focuses on enhancing the effectiveness of materials used to reduce noise pollution.

Latest Patents

Isao Negisi holds a patent for a filler for noise insulating material. This patent describes fillers comprising a composition in which 50-90 wt. % of iron oxides and 10-30 wt. % of silica are contained. At least 50 wt. % of the iron oxides are present in the form of iron oxide silicate. The content of alkali metal oxides or alkaline earth metal oxides is 10 wt. % or less in total. These fillers are suitable for the fabrication of noise insulating materials. The noise insulating materials obtained using these fillers exhibit excellent flexibility, processability, and a large surface density, resulting in outstanding noise insulating ability.

Career Highlights

Throughout his career, Isao Negisi has worked with prominent companies such as Tatsuta Electric Wire & Cable Co., Ltd. and Nippon Mining Co., Ltd. His experience in these organizations has contributed to his expertise in the development of innovative materials.

Collaborations

Isao Negisi has collaborated with notable individuals in his field, including Hidekazu Tsurumaru and Nobuhiro Fujio. These collaborations have likely enriched his work and led to advancements in noise insulation technology.

Conclusion

Isao Negisi's contributions to the field of noise insulating materials through his innovative patent demonstrate his commitment to improving environmental quality. His work continues to influence the industry and showcases the importance of innovation in material science.