Shigeyuki Hamano

Title: Shigeyuki Hamano: Innovator in Battery Technology

Introduction

Shigeyuki Hamano is a notable inventor based in Fukui, Japan. He has made significant contributions to the field of battery technology, particularly in the development of nonaqueous secondary batteries. With a total of 3 patents to his name, Hamano's work has advanced the efficiency and effectiveness of energy storage solutions.

Latest Patents

Hamano's latest patents include a process for producing a positive electrode active material for a nonaqueous secondary battery. This innovative process involves dissolving a starting material containing essential metals in an alcohol medium, followed by the addition of oxalic acid to produce a precipitate. The precipitate is then separated and calcined to obtain the desired active material. Another significant patent details the process of producing lithium nickel oxide as a positive electrode active material. This involves preparing a homogeneous aqueous solution of lithium and nickel compounds, co-precipitating the salts, and calcining the co-precipitate to yield lithium nickel oxide.

Career Highlights

Throughout his career, Shigeyuki Hamano has worked with prominent companies such as Sharp Corporation and Tanaka Chemical Corporation. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to various innovative projects.

Collaborations

Hamano has collaborated with notable colleagues, including Takehito Mitate and Naoto Torata. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Shigeyuki Hamano's contributions to battery technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative processes for producing active materials are paving the way for more efficient energy storage solutions.