Shiga, Japan

Tatsuaki Ishida

This inventor holds 47 USPTO granted patents, primarily in Magnetic Recording Technology. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1992-2006.


% Patents Active = 63.8

Average Co-Inventor Count = 4.4

ph-index = 7

Forward Citations = 320(Granted Patents)


Location History:

  • Sakai, JP (1992 - 2003)
  • Osaka, JP (1995 - 2005)
  • Otsu, JP (2002 - 2006)
  • Shiga, JP (2003 - 2006)

Company Filing History:


Years Active: 1992-2006

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Areas of Expertise:
Magnetic Disk Apparatus
Magnetic Transfer Method
Master Information Carrier
Magnetic Recording Medium
Manufacturing Method
Magnetic Printing
Defect Inspection
Magnetic Reproduction
Thin Film
Servo Sector
Data Track Pitch
47 patents (USPTO):Explore Patents

Title: **Tatsuaki Ishida: Pioneering Innovator in Magnetic Disk Technology**

Introduction

Tatsuaki Ishida, an accomplished inventor based in Shiga, Japan, has made significant contributions to the field of magnetic disk technology. With an impressive portfolio of 47 patents, Ishida's innovations have greatly influenced data storage solutions and methodologies.

Latest Patents

Among his latest inventions are several notable patents, including a **Magnetic Disk Apparatus** that introduces a self-servo write method. This innovative process allows for the transfer of a self-servo reference signal—including a timing pattern—onto a magnetic disk using magnetic printing. The technology involves a phase difference detection section that identifies the position of a magnetic head by detecting phase differences between the transferred patterns. Additionally, Ishida developed a **Master Information Carrier and Method for Manufacturing Magnetic Discs** that enhances the production of magnetic recording mediums. This invention employs an array of ferromagnetic thin films to minimize reproduction signal detection errors, illustrating his commitment to precision and efficiency in data storage.

Career Highlights

Ishida's career has been significantly shaped by his role at Matsushita Electric Industrial Co., Ltd., where he has been instrumental in advancing technologies related to magnetic disks. His innovative spirit and technical expertise have established him as a leader in the field.

Collaborations

Throughout his career, Tatsuaki Ishida has collaborated with notable colleagues such as Kiyokazu Tohma and Ryuji Sugita. These partnerships have enriched his work and facilitated the development of impactful technologies that continue to influence the industry.

Conclusion

Tatsuaki Ishida’s contributions to magnetic disk technology underscore the importance of innovation in data storage. His extensive patent portfolio reflects his commitment to improving technology through ingenuity and collaboration, positioning him as an influential figure in the engineering and invention landscape.

Profile summary based on public USPTO records.
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