Miyagi, Japan

Shun-Ichi Iwasaki

This inventor holds 1 USPTO granted patent. Top assignees: Fujitsu Corporation, Sony Corporation, Other. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shun-Ichi Iwasaki. Retrieved from https://idiyas.com/inventor/shun-ichi-iwasaki

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 53(Granted Patents)


Company Filing History:

goldMedal1 out of 39,378 
 
Fujitsu Corporation
 patents
silverMedal1 out of 58,147 
 
Sony Corporation
 patents
bronzeMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Shun-Ichi Iwasaki: Innovator in Magnetic Recording Technology

Introduction

Shun-Ichi Iwasaki is a notable inventor from Miyagi-ken, Japan, recognized for his contributions to magnetic recording technology. He holds a patent that showcases his innovative approach to enhancing magnetic recording mediums. His work has implications for various recording systems, particularly those utilizing single-pole magnetic recording transducers.

Latest Patents

Iwasaki's patent, titled "Magnetic recording medium," describes a medium designed for use in recording systems that operate in a perpendicular magnetization mode. The invention features a non-magnetic base that supports a layer of low coercive force material, which underlies a magnetic recording layer. This magnetic recording layer is primarily composed of an alloy of chromium and cobalt, with an easy axis of magnetization that is perpendicular to its surface. The thickness of the magnetic recording layer does not exceed 3.0 microns, while the low coercive force material layer has a coercive force that is no greater than 1/5 of that of the magnetic recording layer, with a thickness greater than 0.1 microns. This innovative design aims to improve the efficiency and effectiveness of magnetic recording systems.

Career Highlights

Throughout his career, Shun-Ichi Iwasaki has worked with prominent companies, including Sony Corporation and Fujitsu Corporation. His experience in these leading technology firms has contributed to his expertise in the field of magnetic recording and has allowed him to develop groundbreaking technologies.

Collaborations

Iwasaki has collaborated with various professionals in his field, including his coworker, Yoshihisa Nakamura. Their joint efforts have likely fostered advancements in magnetic recording technologies and have contributed to the success of their projects.

Conclusion

Shun-Ichi Iwasaki's innovative work in magnetic recording technology has made a significant impact on the industry. His patent reflects a deep understanding of the complexities involved in magnetic recording systems, and his collaborations with leading companies and professionals further highlight his contributions to the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…