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For the Inventor, By the Inventor

Saitama, Japan

Masaaki Kiyomiya

This inventor holds 8 USPTO granted patents. Top assignees: Pioneer Electronic Corporation, Pioneer Electric Corporation. Active years: 1986-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Kiyomiya. Retrieved from https://idiyas.com/inventor/masaaki-kiyomiya

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 5

Forward Citations = 76(Granted Patents)


Location History:

  • Saitama, JP (1988 - 1993)
  • Tokorozawa, JP (1986 - 2004)
  • Saitama-ken, JP (2004)

Company Filing History:

goldMedal7 out of 2,861 
 
Pioneer Electronic Corporation
 patents
silverMedal1 out of 66 
 
Pioneer Electric Corporation
 patents

Years Active: 1986-2004

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8 patents (USPTO):Explore Patents
1. 6799324 - Disc driving apparatus (2004-09-28),
2. 6690638 - Supporting mechanism for an optical disc reproducing apparatus having a sub-frame for suppressing vibration (2004-02-10),
3. 5255138 - Automatic disk changer (1993-10-19),
4. 5107475 - Automatic disk changer with a tray transfer device (1992-04-21),
5. 5088076 - Automatic disk changer with disk case and clamper (1992-02-11),
6. 4771416 - Centering apparatus for information recording disk (1988-09-13),
7. 4610008 - Disc playing system with continuous playing function (1986-09-02),
8. 4607354 - Automatic disc loading and exchanging apparatus (1986-08-19),

Title: Masaaki Kiyomiya: Innovator in Disc Driving Technology

Introduction

Masaaki Kiyomiya is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of disc driving technology, holding a total of 8 patents. His innovative designs have advanced the functionality and efficiency of optical disc devices.

Latest Patents

One of Kiyomiya's latest patents is a disc driving apparatus. This apparatus features a turntable designed to load a disc-type record medium. It includes a clamper that uses magnetic force to secure the disc onto the turntable. The clamper is equipped with at least three abutting portions, ensuring that only one portion aligns with a line passing through the center of the clamper, parallel to the record surface. Another significant patent involves a supporting mechanism for an optical disc reproducing apparatus. This design incorporates a main frame supported by elastic members within a box, with a sub-frame that helps suppress vibration, enhancing the overall performance of the optical disc driving device.

Career Highlights

Kiyomiya has worked with prominent companies in the electronics industry, including Pioneer Electronic Corporation and Pioneer Electric Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in disc driving systems.

Collaborations

Throughout his career, Kiyomiya has collaborated with talented individuals such as Masatoshi Watanabe and Masaki Iwamoto. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Masaaki Kiyomiya's contributions to disc driving technology have made a lasting impact in the field. His patents reflect a commitment to innovation and excellence, showcasing his expertise as an inventor.

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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