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For the Inventor, By the Inventor

Kanagawa, Japan

Kiyoaki Tsuji

This inventor holds 7 USPTO granted patents. Top assignees: Sony Corporation, Sony Optiarc Inc.. Active years: 1993-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoaki Tsuji. Retrieved from https://idiyas.com/inventor/kiyoaki-tsuji

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

USPTO Granted Patents = 7

% Patents Active = 57.1

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 26(Granted Patents)


Company Filing History:

goldMedal6 out of 58,145 
 
Sony Corporation
 patents
silverMedal1 out of 4 
 
Sony Optiarc Inc.
 patents

Years Active: 1993-2011

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7 patents (USPTO):Explore Patents
1. 8074236 - Disk drive device and electronic apparatus (2011-12-06),
2. 7665100 - Disk drive (2010-02-16),
3. 7627875 - Disk drive (2009-12-01),
4. 5471356 - Auto-eject device for disc players having compact twin cam motor unit (1995-11-28),
5. 5463509 - Disc cartridge holder having a shutter control arm disposed in a (1995-10-31),
6. 5400198 - Unitarily formed sheet metal cartridge holder (1995-03-21),
7. 5207342 - Housing for electronic device (1993-05-04),

Title: Kiyoaki Tsuji: Innovator in Disk Drive Technology

Introduction

Kiyoaki Tsuji is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of disk drive technology, holding a total of 7 patents. His innovative designs have advanced the functionality and efficiency of electronic devices.

Latest Patents

Among his latest patents, Tsuji has developed a disk drive device that features a device body with a front surface designed for disk insertion and ejection. This device includes a pair of arms that pivotally support transport rollers, which are responsible for moving the disk in and out of the device. Additionally, he has created a disk drive that incorporates first and second sliding members that move in synchronization, along with a shock-absorbing mechanism to manage external forces acting on the optical disk during operation.

Career Highlights

Throughout his career, Kiyoaki Tsuji has worked with prominent companies such as Sony Corporation and Sony Optiarc Inc. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technology in the electronics industry.

Collaborations

Tsuji has collaborated with talented individuals in his field, including Yuji Suzuki and Hirohiko Shimizu. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Kiyoaki Tsuji's work in disk drive technology exemplifies his commitment to innovation and excellence. His patents and career achievements reflect his significant impact on the industry.

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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