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For the Inventor, By the Inventor

Neyagawa, Japan

Katsuhiko Koshino

This inventor holds 8 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1996-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Koshino. Retrieved from https://idiyas.com/inventor/katsuhiko-koshino

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 = 2.3

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Neyagawa, JP (1996 - 2002)
  • Osaka, JP (2003)

Company Filing History:

goldMedal8 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1996-2003

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8 patents (USPTO):Explore Patents
1. 6529468 - Optical disk driving device having a clamper for correcting warpage of an optical disk (2003-03-04),
2. 6370100 - Disc transfer mechanism for an information disc drive (2002-04-09),
3. 6212139 - Disk changer apparatus for multiple closely held disks (2001-04-03),
4. 6160781 - Disc transfer mechanism (2000-12-12),
5. 6091696 - Disc changer (2000-07-18),
6. 5978323 - Disk changer apparatus having a disk receiving unit operatively (1999-11-02),
7. 5771213 - Disc changer (1998-06-23),
8. 5531132 - Cam apparatus using an electromagnet and gears for decelerating a motor (1996-07-02),

Title: Innovations of Katsuhiko Koshino

Introduction

Katsuhiko Koshino is a notable inventor based in Neyagawa, Japan. He has made significant contributions to the field of optical disk technology, holding a total of 8 patents. His work focuses on improving the functionality and reliability of optical disk drives.

Latest Patents

One of Koshino's latest patents is an optical disk driving device that features a clamper designed to correct warpage in optical disks. This innovation allows for accurate recording and reproduction of disks that may have warpage, eliminating the need for a tilt mechanism. The clamper consists of a central portion that holds the disk against a turntable and an outer portion that applies pressure to the disk's periphery, ensuring that the angle between the light beam and the disk's information surface remains within specified limits for precise reproduction.

Another significant patent is a disc transfer mechanism for information disc drives. This mechanism ensures that discs can be reliably installed and removed. It includes a damper device that reduces the moving speed of the tray using a spring's urging force. The damper consists of a first damper that slows the tray's movement during all steps and a second damper that operates separately during the delivery of a disc from the turntable to the tray.

Career Highlights

Koshino is currently employed at Matsushita Electric Industrial Co., Ltd., a company known for its advancements in electronic technology. His work has been instrumental in enhancing the performance of optical disk drives, contributing to the overall efficiency and reliability of these devices.

Collaborations

Throughout his career, Koshino has collaborated with notable colleagues, including Masahiko Nakamura and Yukio Morioka. These partnerships have fostered innovation and have led to the development of groundbreaking technologies in the optical disk industry.

Conclusion

Katsuhiko Koshino's contributions to optical disk technology through his patents and collaborations have significantly impacted the industry. His innovative solutions continue to enhance the functionality of optical disk drives, making him a prominent figure in the 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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