Keishin Handa

Title: Innovations of Keishin Handa

Introduction

Keishin Handa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced nanofiber technologies. With a total of 11 patents to his name, Handa's work has garnered attention for its innovative applications and potential impact on various industries.

Latest Patents

Among Handa's latest patents are a nanofiber sheet and a process for producing the same, as well as a fiber-reinforced composite material. The nanofiber sheet is characterized by its high crystallinity of cellulose fiber and refined fibrillation. This innovation allows for the creation of a fiber-reinforced composite material that exhibits high transparency, a high elastic modulus, a low coefficient of linear thermal expansion, and excellent heat resistance. The nanofiber sheet primarily consists of crystalline cellulose and includes lignin in a specific range. The resulting fiber/resin composite material demonstrates impressive physical characteristics, including a parallel light transmittance of 70% or more at a thickness of 100 micrometers, a Young's modulus of 5.0 GPa or more, and a coefficient of linear thermal expansion of 20 ppm/K or less.

Another significant patent involves an electroluminescent element and lighting apparatus. This invention features a layered structure that includes an electrode, an electroluminescent layer, and a high-refractive-index layer. The design incorporates light-scattering functions that enable the electroluminescent element to emit light through multiple scattering, enhancing its efficiency and effectiveness.

Career Highlights

Throughout his career, Handa has worked with prominent companies such as Mitsubishi Chemical Corporation and Rohm Co., Ltd. His experience in these organizations has contributed to his expertise in materials development and innovation.

Collaborations

Handa has collaborated with notable colleagues, including Hiroyuki Yano and Masaya Nogi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Keishin Handa's contributions to the field of materials science through his innovative patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in nanofiber technology and electroluminescent applications, showcasing the importance of innovation in today's technological landscape.