This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1993
Title: The Innovations of Koichi Kamajima
Introduction
Koichi Kamajima is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of optical recording through his innovative work on naphthalocyanine derivatives. His research has led to advancements that enhance the efficiency of optical recording media.
Latest Patents
Kamajima holds a patent for "Naphthalocyanine derivatives, production thereof and optical recording." This patent describes a naphthalocyanine derivative that features at least one substituent of the formula: SO.sub.2 R.sup.1. The substituent R.sup.1 can be an alkyl group, a substituted alkyl group, or an aryl group. This derivative is recognized for its excellent ability to absorb diode laser beams, making it particularly suitable for use in optical recording mediums.
Career Highlights
Kamajima is associated with Hitachi Chemical Company, Ltd., where he has been able to apply his expertise in developing innovative materials. His work has not only contributed to the company's portfolio but has also advanced the field of optical technology.
Collaborations
Throughout his career, Kamajima has collaborated with esteemed colleagues such as Mitsuo Katayose and Nobuyuki Hayashi. These collaborations have fostered a productive environment for innovation and research.
Conclusion
Koichi Kamajima's contributions to the field of optical recording through his patented innovations highlight his role as a significant inventor. His work continues to influence advancements in technology and materials science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile