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For the Inventor, By the Inventor

Saitama, Japan

Nobuyuki Isobe

This inventor holds 7 USPTO granted patents. Top assignee: Pioneer Electronic Corporation. Active years: 1984-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Isobe. Retrieved from https://idiyas.com/inventor/nobuyuki-isobe

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 = 100.0

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 45(Granted Patents)


Company Filing History:

goldMedal7 out of 2,861 
 
Pioneer Electronic Corporation
 patents

Years Active: 1984-1994

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7 patents (USPTO):Explore Patents
1. 5341352 - Disk player for playing back more than one kind of disk (1994-08-23),
2. 5253235 - Disk player wherein a plurality of compact disks and a laser disk are (1993-10-12),
3. 5144612 - Disc loading device (1992-09-01),
4. 4893295 - Front loading disk player (1990-01-09),
5. 4882722 - Front loading disk player (1989-11-21),
6. 4536865 - Bookshelf type record player (1985-08-20),
7. 4450549 - Compact bookshelf type record player (1984-05-22),

Title: Nobuyuki Isobe: Innovator in Disk Player Technology

Introduction

Nobuyuki Isobe is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of disk player technology, holding a total of 7 patents. His innovative designs have revolutionized the way multiple types of disks are played back in a single device.

Latest Patents

One of Isobe's latest patents involves a disk player capable of playing back more than one kind of disk. In this multi-disk player, disks such as compact disks and video disks are positioned on at least two tray mechanisms, ensuring that the signal reproducing surfaces of the disks face predetermined directions. Each tray mechanism is equipped with its own drive unit, allowing for seamless movement between disk playback and ejecting positions. This design enables a compact disk to be played without removing a video disk, and vice versa. Additionally, it allows for the loading of a video disk while a compact disk is being played back, showcasing the versatility of his invention.

Career Highlights

Nobuyuki Isobe has dedicated his career to advancing disk player technology. His work at Pioneer Electronic Corporation has been instrumental in developing innovative solutions that enhance user experience. His patents reflect a deep understanding of consumer needs and technological possibilities.

Collaborations

Isobe has collaborated with notable coworkers, including Ryo Matsuura and Masao Kase. Their combined expertise has contributed to the successful development of cutting-edge disk player technologies.

Conclusion

Nobuyuki Isobe's contributions to disk player technology have made a lasting impact on the industry. His innovative designs and collaborative efforts continue to shape the future of multimedia playback 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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