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For the Inventor, By the Inventor

Tokyo, Japan

Kouji Seki

This inventor holds 11 USPTO granted patents and 6 EPO patents. Top assignee: Clarion Co. Active years: 1995-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Seki. Retrieved from https://idiyas.com/inventor/kouji-seki

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

USPTO Granted Patents = 11

% Patents Active = 9.1

 

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 22(Granted Patents)


Location History:

  • Toda, JP (1995)
  • Tokyo, JP (2005 - 2011)

Company Filing History:

goldMedal11 out of 1,057 
 
Clarion Co
 patents

Years Active: 1995-2011

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11 patents (USPTO):Explore Patents
1. 7971211 - Disk drive, disk feeding device, and disk loading mechanism (2011-06-28),
2. 7913266 - Disk drive, disk feeding device, and disk loading mechanism (2011-03-22),
3. 7840971 - Disk holder, disk alignment mechanism and disk drive (2010-11-23),
4. 7836464 - Disk holder, disk alignment mechanism and disk drive (2010-11-16),
5. 7774802 - Disk holder, disk alignment mechanism and disk drive (2010-08-10),
6. 7685611 - Disk device, disk-transporting device, and disk-loading device (2010-03-23),
7. 7626896 - Disk drive and drive unit driving mechanism with disk selector for spacing disk holding members (2009-12-01),
8. 7447122 - Disk device and drive unit-driving mechanism (2008-11-04),
9. 7031231 - Disk holder pop-out preventing device (2006-04-18),
10. 6961948 - Disk holding device (2005-11-01),
11. 5402289 - Tape travel control mechanism (1995-03-28),

Title: Kouji Seki: Innovator in Disk Drive Technology

Introduction

Kouji Seki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of disk drive technology, holding a total of 11 patents. His innovative designs have paved the way for advancements in compact disk drives, enhancing their efficiency and usability.

Latest Patents

One of Kouji Seki's latest patents includes a disk drive, disk feeding device, and disk loading mechanism. This invention provides a disk drive with a compact size that effectively utilizes space within the device. It allows for a straightforward layout of components, featuring a disk holder with multiple plates that individually hold disks. The drive unit is designed to play back these disks, while disk selectors create space above and below a desired disk by raising and lowering the holder plates. The drive base moves the drive unit into the space formed by this mechanism, ensuring a fixed opening amount of the disk holder during operation.

Career Highlights

Throughout his career, Kouji Seki has worked with notable companies such as Clarion Co. and Stanley Electric Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative disk drive technologies.

Collaborations

Kouji Seki has collaborated with talented individuals in the field, including Kazuya Tanaka and Atsushi Nakamura. Their combined efforts have led to advancements in disk drive technology and have furthered the impact of their inventions.

Conclusion

Kouji Seki's contributions to disk drive technology exemplify his innovative spirit and dedication to improving device efficiency. His patents reflect a commitment to advancing technology in meaningful ways.

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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