Location History:
- Omihachiman, JP (2018)
- Shiga, JP (2016 - 2022)
Company Filing History:
Years Active: 2016-2022
Title: Ken-ichi Hongawa: Innovator in Lithium Ion Battery Technology
Introduction
Ken-ichi Hongawa is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of lithium-ion rechargeable batteries. With a total of four patents to his name, his work focuses on enhancing the performance and efficiency of battery technology.
Latest Patents
Hongawa's latest patents include a negative electrode active material for lithium-ion rechargeable batteries. This innovative material is composed of substantially spherical graphite particles that feature fine protrusions on their surfaces. The production process involves impregnating and coating these graphite particles with a mixture of pitch and carbon black, followed by baking at temperatures ranging from 900 to 1500 degrees Celsius. His research, supported by Raman spectroscopic analysis, reveals a G-band composite peak and a D-band peak, indicating the material's unique properties. The interlayer distance of the lattice plane is measured to be between 0.335 to 0.337 nm, showcasing the advanced characteristics of his invention.
Career Highlights
Ken-ichi Hongawa is currently employed at Nippon Carbon Co., Ltd., where he continues to innovate in the field of battery technology. His work has been instrumental in developing materials that improve the efficiency and longevity of lithium-ion batteries.
Collaborations
Hongawa has collaborated with notable coworkers, including Kazuaki Yamashita and Takanobu Kawai. Their combined expertise has contributed to the advancement of battery technology and the successful development of innovative materials.
Conclusion
Ken-ichi Hongawa's contributions to lithium-ion battery technology highlight his role as a leading inventor in this field. His innovative patents and collaborative efforts continue to push the boundaries of battery performance and efficiency.