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For the Inventor, By the Inventor

Katano, Japan

Yukio Morioka

This inventor holds 11 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1993-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukio Morioka. Retrieved from https://idiyas.com/inventor/yukio-morioka-axdedxq8

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 72.7

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 88(Granted Patents)


Company Filing History:

goldMedal11 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1993-2007

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11 patents (USPTO):Explore Patents
1. 7260041 - Disk drive (2007-08-21),
2. 7246363 - Disk changer having provision for visibility of stored disk (2007-07-17),
3. 6404725 - Disc changer with switching gear and drive switching means (2002-06-11),
4. 6396795 - Disc changer with gap maintaining means (2002-05-28),
5. 6262963 - Disc changer with spindles and elevating means (2001-07-17),
6. 6252840 - Disk changer comprising spindle drive means for a holding claw (2001-06-26),
7. 6212139 - Disk changer apparatus for multiple closely held disks (2001-04-03),
8. 5978323 - Disk changer apparatus having a disk receiving unit operatively (1999-11-02),
9. 5848034 - Disk changer apparatus (1998-12-08),
10. 5386403 - Single motor disk loading device with lock gear (1995-01-31),
11. 5247500 - Elevating and lowering system in a multi-disk player (1993-09-21),

Title: Innovations by Yukio Morioka

Introduction

Yukio Morioka is a notable inventor based in Katano, Japan. He has made significant contributions to the field of disk drive technology, holding a total of 11 patents. His work has greatly enhanced the functionality and operability of disk changers and drives.

Latest Patents

Morioka's latest patents include a sophisticated disk drive that features multiple optical heads designed for various types of disks. This innovative disk drive incorporates a disk distinction device that identifies whether a disk is a first or second type when placed on the tray. The system utilizes a first disk tray conveying mechanism and a second disk tray conveying mechanism to ensure that the correct optical head is selected for recording or reproducing operations. Another notable patent is for a disk changer that improves visibility and accessibility of stored disks. This invention allows users to easily confirm which tray contains a disk, significantly enhancing user experience and operational efficiency.

Career Highlights

Morioka has spent a significant part of his career at Matsushita Electric Industrial Co., Ltd., where he has developed groundbreaking technologies in disk drive systems. His innovative designs have set new standards in the industry, making him a respected figure among his peers.

Collaborations

Throughout his career, Yukio Morioka has collaborated with talented individuals such as Masahiko Nakamura and Seizo Miyoshi. These collaborations have fostered an environment of creativity and innovation, leading to the development of advanced technologies in disk drives.

Conclusion

Yukio Morioka's contributions to disk drive technology have had a lasting impact on the industry. His innovative patents and collaborative efforts continue to inspire advancements in this field.

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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