This inventor holds 1 USPTO granted patent. Top assignee: Keishin Matsumoto Director-General of the Agency of Industrial Science. Active years: 1976.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1976
Title: Kunio Hirota: Inventor in Freshwater Production
Introduction
Kunio Hirota is an inventor associated with Hitachi, Japan. His recorded patent concerns preventing scale deposits during the production of fresh water from seawater.
Latest Patents
Hirota’s listed patent is titled “Method of Preventing Scale from Being Deposited in Case of Producing Fresh Water.” It describes adding a small amount of seed crystals—calcium carbonate or magnesium hydroxide—to seawater, together with a nonionic or cationic surface-active agent. The method is intended for evaporative desalination processes that heat seawater and condense the resulting water vapor. The supplied information lists 1 patent for Hirota.
Career Highlights
The provided data associates Hirota with Keishin Matsumoto, Director-General of the Agency of Industrial Science. It does not specify Hirota’s exact position or employment relationship with the agency.
Collaborations
Kazuo Tanno and Yoshiaki Okajima are identified as Hirota’s coworkers in the supplied information. No further details about their roles in the patent or related work are provided.
Conclusion
Kunio Hirota’s recorded invention addresses scale prevention in seawater evaporation, a technical challenge in producing fresh water through desalination.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile