Company Filing History:
Years Active: 1980
Title: Shigehisa Harada: Innovator in Magnetic Powder Technology
Introduction
Shigehisa Harada is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of materials science, particularly in the development of magnetic powders. His innovative methods have implications for various applications, including audio and video technology.
Latest Patents
Harada holds a patent for a method of making a magnetic powder. This method involves creating a magnetic powder primarily composed of cobalt from a mixture solution containing metal salts, such as cobalt salt, along with catalysts like palladium chloride and reducing agents such as sodium hypophosphite. To enhance the dispersion of cobalt particles, proteins like albumin or hemoglobin are added to the mixture. The resulting magnetic powder is particularly suitable for the production of audio and video tapes.
Career Highlights
Harada is associated with Nippon Columbia Kabushiki Kaisha, a company known for its advancements in audio and video technology. His work has contributed to the company's reputation for innovation in the industry.
Collaborations
Throughout his career, Harada has collaborated with notable colleagues, including Kunihiro Tsuganezawa and Teruo Kobayashi. These collaborations have fostered a creative environment that has led to advancements in their respective fields.
Conclusion
Shigehisa Harada's contributions to the development of magnetic powders demonstrate his innovative spirit and commitment to advancing technology. His work continues to influence the audio and video industries, showcasing the importance of research and development in creating new materials.