This inventor holds 28 USPTO granted patents and 10 published patent applications and 1 EPO patent, primarily in Battery Technology. Top assignees: Sony Corporation, Murata Manufacturing Co., Ltd., Murata Manufacturingco., Ltd.. Active years: 2009-2024.
Location History:
- Fukushima, JP (2009 - 2020)
- Kyoto, JP (2020)
- Tokyo, JP (2018 - 2024)
Company Filing History:
20 out of 58,145 
5 out of 13,796 
1 out of 150 
Years Active: 2009-2024
Areas of Expertise:
Title: Masayuki Iwama – A Pioneer in Battery Technology
Introduction
Masayuki Iwama is a notable inventor based in Fukushima, Japan, recognized for his significant contributions to the field of battery technology. With a remarkable portfolio of 28 patents, Iwama's innovations have had a lasting impact on the development of secondary batteries and nonaqueous electrolyte batteries.
Latest Patents
Iwama's recent patents include advancements in the design and functionality of secondary batteries. One such innovation details a secondary battery comprising a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode features a lithium-cobalt composite oxide with a layered rock-salt crystal structure, while the negative electrode utilizes graphite. This design provides a potential variation of the positive electrode, which meets specific discharge requirements that enhance battery performance.
Another noteworthy invention from Iwama is a nonaqueous electrolyte battery that integrates a first electrode and a second electrode, both designed in a strip shape. This battery also includes essential components such as electrode leads and a separator that enables efficient energy flow. By winding the laminated electrode body, Iwama has created a battery that maximizes space utilization and improves overall efficiency.
Career Highlights
Throughout his career, Iwama has made significant strides in the battery industry, working with prestigious companies like Sony Corporation and Murata Manufacturing Co., Ltd. His experience in these organizations has allowed him to harness cutting-edge technologies and apply them to his innovative designs, solidifying his reputation as an expert in battery engineering.
Collaborations
Iwama has collaborated with esteemed colleagues, including Kenichi Kawase and Takakazu Hirose. These partnerships have fostered an environment of creativity and shared knowledge, enabling the development of groundbreaking technologies in energy storage solutions.
Conclusion
Masayuki Iwama’s contributions to battery technology not only underscore his inventive spirit but also reflect his commitment to advancing energy solutions. His extensive patent portfolio highlights the importance of innovation in creating more efficient and effective energy storage systems. As technology continues to evolve, Iwama’s work remains instrumental in shaping the future of battery design and functionality.