Hirakata, Japan

Kazuharu Shiragami

This inventor holds 5 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1985-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuharu Shiragami. Retrieved from https://idiyas.com/inventor/kazuharu-shiragami

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 = 3.6

ph-index = 4

Forward Citations = 79(Granted Patents)


Location History:

  • Osaka, JP (1985)
  • Hirakata, JP (1987 - 1993)

Company Filing History:


Years Active: 1985-1993

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5 patents (USPTO):Explore Patents

Title: The Innovations of Kazuharu Shiragami

Introduction

Kazuharu Shiragami is a distinguished inventor based in Hirakata, Japan, recognized for his significant contributions to the field of technology. With a portfolio of five patents, Shiragami has made remarkable advancements, particularly in the realm of rotary recording mediums and servo systems. His work demonstrates a keen understanding of complex systems and enhances the efficiency of recording technologies.

Latest Patents

Shiragami's latest patents include a "System for detecting rotational deviation of a rotary recording medium" and a "Servo system for scanning the same track circumference of a spiral track." Both innovations focus on improving the accuracy of tracking error signals while minimizing errors during the storage of tracking signals. His innovations involve sophisticated techniques such as phase comparison of stored and reproduced index detection signals, as well as the integration of memory systems for tracking error and index detection signals into a single unit. These inventions aim to enhance the reliability of tracking control systems in recording mediums.

Career Highlights

Kazuharu Shiragami is currently affiliated with Matsushita Electric Industrial Co., Ltd., a company known for its innovative technologies and extensive product offerings. His work at this leading firm has enabled him to develop cutting-edge technologies that are integral to the effectiveness of modern recording systems. His intellectual contributions have positioned him as a key figure in technological advancement within the industry.

Collaborations

Throughout his career, Shiragami has collaborated with fellow innovators such as Mitsuro Moriya and Hiroyuki Yamaguchi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of groundbreaking technologies. Together, they have worked towards enhancing the efficiency and performance of recording technology.

Conclusion

Kazuharu Shiragami stands out as an accomplished inventor whose patents have greatly impacted the technology landscape. With an unwavering commitment to innovation and a talent for solving complex technical issues, Shiragami continues to pave the way for advancements in recording mediums and servo systems. His contributions not only reflect his expertise but also signify the importance of collaboration and creativity in driving technological progress.

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]
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