This inventor holds 2 USPTO granted patents. Top assignee: Sakai Chemical Industry Co., Ltd.. Active years: 1990-1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JP (1990)
- Sakai, JP (1992)
Company Filing History:
Years Active: 1990-1992
Title: Tutomu Hatanaka: Innovator in Microcrystalline Barium Ferrite Technology
Introduction
Tutomu Hatanaka is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of materials science, particularly in the production of microcrystalline barium ferrite platelets. With a total of 2 patents to his name, Hatanaka's work has implications for various technological applications.
Latest Patents
Hatanaka's latest patents include a process for producing microcrystalline barium ferrite platelets. This innovative process involves forming an aqueous alkaline dispersion containing coprecipitates of hydroxides of barium ions and iron (III) ions. The method includes heating the dispersion to convert the coprecipitates into precursors of barium ferrite and calcining them to produce microcrystalline platelets. An improvement in this process involves adding a carbonating agent to insolubilize water-soluble barium ions.
Another notable patent is for producing microcrystalline Co/Ti-substituted barium ferrite. This process results in a spinel structure Ni/Zn ferrite-modified, Co/Ti-substituted barium ferrite with specific magnetic properties. The method includes forming amorphous precursors, adding nickel salts, and subjecting the slurry to hydrothermal reactions, followed by calcination in the presence of barium chloride.
Career Highlights
Hatanaka is associated with Sakai Chemical Industry Co., Ltd., where he has been instrumental in advancing research and development in his field. His innovative approaches have led to significant advancements in the production of advanced materials.
Collaborations
Hatanaka has collaborated with notable coworkers such as Shigefumi Kamisaka and Susumu Iwasaki. Their combined expertise has contributed to the successful development of new technologies in materials science.
Conclusion
Tutomu Hatanaka's contributions to the field of microcrystalline barium ferrite technology highlight his role as an influential inventor. His innovative processes and collaborations continue to shape advancements in materials science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile