Tomoyuki Ichikawa

Title: Innovations by Tomoyuki Ichikawa: Pioneering Advances in Secondary Battery Technology

Introduction

Tomoyuki Ichikawa is a notable inventor based in Zama, Japan, recognized for his contributions to the field of battery technology. With a total of two patents to his name, Ichikawa has made significant strides in enhancing the performance and efficiency of secondary batteries. His innovative approach addresses critical aspects of battery design that are essential for the advancement of portable energy storage solutions.

Latest Patents

Ichikawa's latest patents exemplify his expertise in developing heat-sealable insulating films for secondary batteries.

1. **Heat-Sealable Insulating Film for Secondary Battery**: This patent describes a heat-sealable insulating film designed for installation in a secondary battery. It includes a positive electrode member and a negative electrode member, formed from a collector foil and an active material layer. The film is characterized by an adhesive layer that is heat-sealed to cover the boundary of an exposed part of the collector foil and the active material layer. The insulating film consists of at least two layers: a base material layer made of polyolefin resin and an adhesive layer made from a polyolefin resin modified with unsaturated carboxylic acid or its derivatives.

2. **Secondary Battery, Method for Manufacturing Same, and Heat-Sealable Insulating Film for Secondary Battery**: This patent details a secondary battery that includes an outer housing and an electrode body. The electrode body comprises a positive electrode member, a separator member, and a negative electrode member, stacked sequentially. Ichikawa's work ensures that the battery's performance is optimized through an insulating body that adheres with significant adhesive strength, further enhancing battery safety and longevity.

Career Highlights

Tomoyuki Ichikawa has a solid professional background, having worked at prominent organizations in the field. He held positions at Toray Advanced Film Co., Ltd. and Automotive Energy Supply Corporation. His tenure at these companies has provided him with extensive experience that aids in his inventive processes and patent submissions.

Collaborations

Throughout his career, Ichikawa has collaborated with skilled professionals, including Youichi Matsuura and Yoshitaka Fukagai. These collaborations have been instrumental in refining his innovations and expediting the development of advanced battery technologies.

Conclusion

Tomoyuki Ichikawa's contributions to the field of secondary battery technology highlight his role as a forward-thinking inventor. His patents reflect a commitment to innovation that not only enhances the functionality of batteries but also ensures their safety and reliability. With ongoing developments and collaborations, Ichikawa continues to be a significant figure in the realm of energy storage solutions.