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For the Inventor, By the Inventor

Saitama, Japan

Ken Minemura

This inventor holds 5 USPTO granted patents. Top assignee: Sony Corporation. Active years: 2000-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ken Minemura. Retrieved from https://idiyas.com/inventor/ken-minemura

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

USPTO Granted Patents = 5

% Patents Active = 60.0

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 22(Granted Patents)


Location History:

  • Kanagawa, JP (2000 - 2001)
  • Saitama, JP (2004 - 2007)

Company Filing History:

goldMedal5 out of 58,145 
 
Sony Corporation
 patents

Years Active: 2000-2007

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5 patents (USPTO):Explore Patents
1. 7229275 - Disk substrate, mold apparatus for injection molding the same, and disk substrate taking-out robot (2007-06-12),
2. 6764737 - Method of producing information recording medium, production apparatus and information recording medium (2004-07-20),
3. 6703100 - Disk-like recording medium and method for producing the same (2004-03-09),
4. 6302674 - Optical disc molding apparatus (2001-10-16),
5. 6142761 - Optical disc molding apparatus (2000-11-07),

Title: Ken Minemura: Innovator in Disk Substrate Technology

Introduction

Ken Minemura is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of disk substrate technology, holding a total of 5 patents. His work focuses on enhancing the production and quality of information recording media.

Latest Patents

Minemura's latest patents include innovative technologies such as a disk substrate, a mold apparatus for injection molding, and a disk substrate taking-out robot. These inventions aim to produce a disk substrate with a center hole that is free of flash. The design features a straight portion and a tapered portion, with an edge on the signal transfer surface that is equipped with an R surface or C surface. Additionally, he has developed a method for producing an information recording medium that enhances planarity and productivity. This method involves processing the surface of a disk substrate, heating and pressing it with a stamper, and forming both a recording layer and a coating layer.

Career Highlights

Ken Minemura is currently employed at Sony Corporation, where he continues to innovate in the field of disk substrates. His work has been instrumental in advancing the technology used in information recording media.

Collaborations

Throughout his career, Minemura has collaborated with notable colleagues such as Nobuyuki Arakawa and Yuji Akiyama. Their combined expertise has contributed to the success of various projects and patents.

Conclusion

Ken Minemura's contributions to disk substrate technology have made a significant impact on the industry. His innovative patents and collaborations reflect his dedication to advancing information recording media.

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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