Company Filing History:
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1 out of 3 Years Active: 1979
Title: Ryuji Igarashi: Innovator in Nonohmic ZnO Ceramics
Introduction
Ryuji Igarashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of nonohmic ZnO ceramics. His innovative work has led to advancements that are crucial for various electronic applications.
Latest Patents
Igarashi holds a patent for "Nonohmic ZnO ceramics including Bi.sub.2 O.sub.3, CoO, MnO, Sb.sub.2 O.sub." This invention features nonohmic ZnO ceramics that incorporate specific additives, resulting in a voltage nonlinear exponent (α) of 30 or more. The dielectric constant (ε) is approximately 1000 or less, and the loss factor (tan δ) is less than 10%. Additionally, the invention demonstrates minimal variations in breakdown voltage (Vi) under load and large current pulses.
Career Highlights
Throughout his career, Ryuji Igarashi has worked with prominent companies such as Nippon Electric Co., Ltd. and Ohizumi Manufacturing Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials and electronics.
Collaborations
Igarashi has collaborated with notable colleagues, including Nobuaki Shohata and Tomeji Ohno. These partnerships have contributed to his innovative research and development efforts.
Conclusion
Ryuji Igarashi's work in nonohmic ZnO ceramics showcases his dedication to advancing materials science. His patent and collaborations highlight his significant impact in the field.
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