This inventor holds 1 USPTO granted patent and 14 published patent applications. Top assignee: Semiconductor Energy Laboratory Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Shotaro Muratsubaki: Innovator in Battery Technology
Introduction
Shotaro Muratsubaki is an inventor based in Hachioji, Tokyo, Japan. He is known for his contributions to the field of battery technology, particularly in the development of advanced materials for secondary batteries and lithium-ion batteries. Although he currently holds no granted patents, his innovative ideas are reflected in his latest patent applications.
Latest Patent Applications
Muratsubaki's recent work includes a patent application for a **SECONDARY BATTERY**. This application describes a positive electrode active material designed to inhibit the decrease in discharge capacity during charge and discharge cycles. The secondary battery utilizes lithium cobalt oxide that contains nickel and magnesium. Notably, the amounts of nickel and magnesium detected in the surface portion of the positive electrode active material are greater than those in the inner portion. Additionally, the distribution of nickel and magnesium overlaps in the surface portion. The positive electrode active material may also contain fluorine, with a higher detected amount in the surface compared to the inner portion.
Another significant application is for a **LITHIUM-ION BATTERY**. This battery features a novel electrolyte and includes a positive electrode active material composed of nickel, cobalt, and manganese. The electrolyte contains a fluorinated cyclic carbonate and a fluorinated chain carbonate. The discharge capacity of the half cell, when subjected to specific charging and discharging conditions, is designed to meet or exceed 50% of the discharge capacity value obtained at an ambient temperature of 25° C.
Conclusion
Shotaro Muratsubaki is making strides in the field of battery technology through his innovative patent applications. His work focuses on enhancing the performance and safety of secondary batteries and lithium-ion batteries. As he continues to develop his ideas, he may contribute significantly to advancements in energy storage solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile