This inventor holds 2 USPTO granted patents. Top assignee: Denki Kagaku Kogyo Kabushiki Kaisha. Active years: 1981-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1981-1984
Title: Shigeto Miyoshi: Inventor in Magnetic Recording Materials
Introduction
Shigeto Miyoshi is an inventor associated with Shibukawa, Japan, and Denki Kagaku Kogyo Kabushiki Kaisha. His patent work includes innovations in magnetic recording coatings and the preparation of vinyl chloride copolymer solutions.
Latest Patents
Miyoshi’s listed inventions include Magnetic Coating for Magnetic Recording Media. The patent describes a magnetic coating made by combining a vinyl chloride copolymer, a thermosetting resin, and magnetic powder in an organic solvent. The copolymer includes vinyl chloride, a vinyl carboxylate ester, vinyl alcohol, and an unsaturated dicarboxylic acid or its anhydride.
His other listed invention, Method for the Manufacture of a Vinyl Chloride Copolymer Solution, concerns dissolving and hydrolyzing a vinyl chloride copolymer in an organic solvent. The method controls the solution’s viscosity and removes alcohol and solvent under reduced pressure, with specified temperature and pressure conditions.
Career Highlights
Miyoshi’s recorded patent portfolio comprises 2 patents. The listed inventions reflect work on polymer chemistry and materials used in magnetic recording media.
Collaborations
Miyoshi’s listed coworkers include Toshio Kagami and Kanehisa Hanabusa. His company affiliation is Denki Kagaku Kogyo Kabushiki Kaisha.
Conclusion
Shigeto Miyoshi’s patent record highlights contributions to magnetic recording coatings and vinyl chloride copolymer processing, developed in connection with Denki Kagaku Kogyo Kabushiki Kaisha.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile