Location History:
- Akashi, JP (1982 - 1983)
- Kobe, JP (1986 - 1990)
- Hyogo, JP (1997 - 1998)
- Takarazuka, JP (2000 - 2003)
Company Filing History:
6 out of 698 
3 out of 1,704 
3 out of 109 
Years Active: 1982-2003
Title: **The Innovations of Shigeki Hamaguchi: A Pioneer in Flame Retardant Technology**
Introduction
Shigeki Hamaguchi, an accomplished inventor based in Kobe, Japan, has made significant contributions to the field of materials science, particularly in flame retardant technologies. With a remarkable total of 12 patents to his name, his work focuses on creating safer and environmentally friendly innovations in thermoplastic resins.
Latest Patents
Among his latest achievements are two notable patents:
1. **Flame Retardant for Thermoplastic Resin and Flame-Retardant Resin Composition**: This patent revolves around a flame retardant for thermoplastic resins that incorporates polyorganosiloxane crosslinked particles. These particles boast a toluene-insoluble matter content of at least 50% by weight and an average particle size of 0.01 to 2,000 µm. The innovation aims to generate flame retardant resin compositions with a low environmental load, producing no harmful gases during combustion while ensuring excellent impact resistance through integration into thermoplastic resins.
2. **Aqueous Emulsion Containing Silicone Rubber Particles and Process for Preparing the Same**: This patent details a silicone rubber particle-containing aqueous emulsion consisting of polymer particles made from a vinyl homopolymer or copolymer and silicone rubber. The emulsion, which has a small number average particle size of 0.008 to 0.1 µm, allows for effective properties of silicone rubber without issues such as coloration due to emulsifiers. This innovative emulsion serves multiple applications, including impact modifiers, softeners, and water repellents.
Career Highlights
Throughout his career, Shigeki Hamaguchi has been associated with prominent companies in the chemical industry, including Kanegafuchi Kagaku Kogyo Co., Ltd. and Kaneka Corporation. His roles in these establishments have allowed him to foster his inventive capabilities and contribute to developing flame-retardant materials.
Collaborations
Hamaguchi has collaborated with distinguished colleagues such as Kiyoshi Watanabe and Takehisa Ohashi, working alongside them to explore new horizons in materials science. These collaborations have played an essential role in his research and development endeavors.
Conclusion
Shigeki Hamaguchi stands out as a pivotal figure in the advancement of flame retardant technologies. His innovative patents represent a commitment to producing sustainable and effective materials that could shape the future of thermoplastic applications and enhance safety standards across industries.