Location History:
- Shizuoka, JP (2007)
- Mishima, JP (2007 - 2015)
- Abiko, JP (2014 - 2022)
- Chiba, JP (2023)
Company Filing History:
Years Active: 2007-2025
Title: Koh Ishigami: Innovating Toner Technologies in Japan
Introduction
Koh Ishigami, based in Mishima, Japan, is a prominent inventor known for his significant contributions to the field of toner technology. With an impressive portfolio of 46 patents, Ishigami has been instrumental in advancing the performance and efficiency of toner compositions, thereby influencing the printing industry.
Latest Patents
Among his latest innovations are two unique toner patents. The first patent describes a toner particle that incorporates a binder resin consisting of at least 50 mass % polyester resin. This resin features a silicone segment, and through XPS analysis, specific relationships among the ratios of silicon and carbon atoms are established at varying depths from the particle surface. The second patent focuses on a toner formulated with a binder resin that includes a polyester resin and a polyolefin resin containing a sulfonic acid group, ensuring enhanced characteristics in different particle sizes, as revealed by a distinctive FT-IR spectrum relationship.
Career Highlights
Koh Ishigami has built a successful career at Canon Kabushiki Kaisha, a leader in imaging and printing technology. His inventive work has not only contributed to numerous patents but has also positioned him as a key player in the research and development teams focused on improving toner formulations for printing applications.
Collaborations
Throughout his career, Ishigami has collaborated with talented individuals, including Yoshinobu Baba and Kentaro Kamae. These collaborations have fostered an environment of innovation and creativity, enabling the team to push the boundaries of technology and develop cutting-edge products in the competitive printing market.
Conclusion
Koh Ishigami exemplifies the spirit of innovation in the toner industry. With a wealth of patents and ongoing collaborations with skilled researchers, he continues to influence the evolution of toner technology at Canon Kabushiki Kaisha, contributing to the future of high-quality printing solutions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.