Ehime, Japan

Makoto Maruoka

This inventor holds 4 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 2004-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Maruoka. Retrieved from https://idiyas.com/inventor/makoto-maruoka

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


% Patents Active = 50.0

Average Co-Inventor Count = 4.1

ph-index = 2

Forward Citations = 30(Granted Patents)


Location History:

  • Matsuyama, JP (2004 - 2006)
  • Ehime, JP (2004 - 2010)

Company Filing History:


Years Active: 2004-2010

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4 patents (USPTO):Explore Patents

Title: The Innovations of Makoto Maruoka

Introduction

Makoto Maruoka is a notable inventor based in Ehime, Japan. He has made significant contributions to the field of information recording and reproducing devices. With a total of 4 patents to his name, Maruoka's work has had a considerable impact on optical disc technology.

Latest Patents

One of his latest patents is an optical disc device configured to detect abnormal loading status. This innovative information recording/reproducing device features a tray with holders for securely holding a disc. It allows the disc to overhang on a part of the disc placing area in a vertically laid status. The device includes a means for detecting an abnormally mounted status by comparing various measurements with a previously stored threshold value. This ensures that detection of any abnormal status is completed before the recording or reproducing operation begins. Another significant patent is a disk drive apparatus featuring a unique clamping device. This disk drive includes a turntable and a clamper, both equipped with four or more projections that support and hold a mounted disk. The projections are strategically arranged at equal intervals around the circumference, ensuring stability during operation.

Career Highlights

Throughout his career, Makoto Maruoka has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the industry.

Collaborations

Maruoka has collaborated with notable colleagues, including Shuichi Yoshida and Kazuhiro Mihara. Their combined expertise has fostered innovation and advancement in their respective fields.

Conclusion

Makoto Maruoka's contributions to optical disc technology and his innovative patents highlight his role as a significant inventor in the industry. His work continues to influence the development of information recording and reproducing devices.

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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