Takeo Fusayama

Title: Takeo Fusayama: Innovator in Semiconductive Technology

Introduction

Takeo Fusayama is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductive technology, particularly through his innovative patent that addresses environmental dependence in semiconductive members.

Latest Patents

Fusayama holds a patent for a "Semiconductive member and production method thereof." This invention provides semiconductive members such as charging members, copying members, pressure fixation rolls, and electricity removing members that exhibit minimal environmental dependence. The semiconductive member includes a semiconductive substrate, a conductive rubber layer, an intermediate layer, a resistance control layer made from a polyurethane ionomer with an ionic segment, and a surface layer. The ionic segment can be a sulfonic acid group, a carboxyl group, or a tertiary amino radical, including their salts. Notably, the glass transition temperature of this polyurethane ionomer is 30°C or less, and the volume specific resistance value ranges from 10^6 to 10^9 W cm.

Career Highlights

Fusayama is associated with Fuji Xerox Co., Ltd., where he has been able to apply his expertise in semiconductive technology. His work has contributed to advancements in various applications, enhancing the performance and reliability of semiconductive members.

Collaborations

Throughout his career, Fusayama has collaborated with notable colleagues, including Yukihiro Ishii and Michiaki Yasuno. These collaborations have fostered innovation and development in the field of semiconductive technology.

Conclusion

Takeo Fusayama's contributions to semiconductive technology through his patent demonstrate his commitment to innovation and environmental sustainability. His work continues to influence the industry and pave the way for future advancements.