Eiji Kanbara

Title: Eiji Kanbara: Patents in Advanced Materials

Introduction

Eiji Kanbara is an inventor associated with Yokohama, Japan, and Showa Denko K.K. His listed patent portfolio includes 3 patents, with work spanning carbon fibers and alumina particles.

Latest Patents

“Vapor Grown Carbon Fiber, and Production Method and Use Thereof” describes carbon fibers with a specified branching degree and low bulk density, along with a method for producing them. The process sprays a carbon-source solution containing a transition-metal compound into a reaction zone for thermal decomposition, using a defined spray angle and carrier-gas feed. The patent also describes composite materials incorporating the fibers.

“Spherical Alumina Particles and Production Process Thereof” concerns a process for making rounded alumina particles. It involves granulating a composition containing pulverized electrofused or sintered alumina with selected additives, heating the granules, and crushing the heated product.

Career Highlights

Kanbara’s listed inventions address the production and use of engineered materials. The carbon-fiber patent focuses on controlling fiber structure and production conditions, while the alumina patent describes a route to rounded particles through granulation, heating, and crushing.

Collaborations

Kanbara’s listed coworkers include Kotaro Yano and Tomoaki Yoshida. His company affiliation is Showa Denko K.K.

Conclusion

Eiji Kanbara’s patent work, as represented by the supplied records, centers on processes for producing specialized carbon fibers and alumina particles.