This inventor holds 2 USPTO granted patents. Top assignee: Ngk Insulators, Inc.. Active years: 1995-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1995-1996
Title: Eigo Hirotsuji: Innovator in Magnetic Head Technology
Introduction
Eigo Hirotsuji is a prominent inventor based in Konan, Japan. He has made significant contributions to the field of magnetic head technology, holding a total of 2 patents. His innovative approaches have paved the way for advancements in manufacturing techniques and materials used in magnetic heads.
Latest Patents
Hirotsuji's latest patents include a method for manufacturing a magnetic head core slider. This invention features a composite type magnetic head core slider that includes a slider body and a core chip. A slot is formed in the slider body, which is open at the end face and located within the width of a central recessed portion. This design allows for improved functionality when facing a magnetic disk. The core chip is fixed in the slot, with its upper end portion protruding above the surface, enabling the formation of a track portion with a magnetic gap.
Another notable patent is related to the etching of sendust. This method utilizes a mixture of nitric and hydrochloric acid solutions as an etching liquid. The process is designed to maintain electrical connection with a ferrite member during etching, enhancing the precision of the operation. Additionally, a method for pattern-etching sendust film is disclosed, which includes steps for creating a predetermined sendust pattern and a corresponding chromium pattern.
Career Highlights
Eigo Hirotsuji is currently employed at NGK Insulators, Inc., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of magnetic head manufacturing, contributing to the overall progress in the field.
Collaborations
Hirotsuji has collaborated with notable coworkers, including Naoya Fukuda and Soichiro Matsuzawa. Their combined expertise has fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Eigo Hirotsuji's contributions to magnetic head technology through his patents and collaborative efforts highlight his role as a key innovator in the field. His work continues to influence advancements in manufacturing techniques and materials, showcasing the importance of innovation in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile