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For the Inventor, By the Inventor

Kanagawa, Japan

Yoshizumi Inazawa

This inventor holds 26 USPTO granted patents and 1 EPO patent, primarily in Audio Data Storage. Top assignees: Sony Corporation, Hewlett-Packard Corporation, U.S. Philips Corporation. Active years: 1986-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshizumi Inazawa. Retrieved from https://idiyas.com/inventor/yoshizumi-inazawa

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

USPTO Granted Patents = 26

% Patents Active = 96.2


Average Co-Inventor Count = 3.0

ph-index = 12

Forward Citations = 349(Granted Patents)


Location History:

  • Yokohama, JP (1986 - 1992)
  • Kanagawa, JP (1986 - 2003)
  • Kanagawa-Prefecture, JP (2002 - 2007)
  • Tokyo, JP (1988 - 2013)

Company Filing History:

goldMedal24 out of 58,147 
 
Sony Corporation
 patents
silverMedal4 out of 156 
 
Hewlett-Packard Corporation
 patents
bronzeMedal2 out of 14,087 
 
U.S. Philips Corporation
 patents
4. 1 out of 21,910 
 
Koninklijke Philips Corporation N.v.
 patents
where one patent can have more than one assignee

Years Active: 1986-2013

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Areas of Expertise:
Audio-Centered Information
Multi-Level TOC
Recording Apparatus
Playback Apparatus
Optical Recording Medium
Digital Signal Recording
Data Recorder
Disc Player
Sigma-Delta Modulation
Control Signal Reproduction
Search Noise Suppression
Dual Servo System
26 patents (USPTO):Explore Patents
1. 8427910 - Storing audio-centered information with a multi-level table-of-contents (TOC) mechanism having redundant sub-TOCs (2013-04-23),
2. 7263051 - Storing audio-centered information with a multi-level table-of contents (TOC) mechanism having redundant sub-TOCs (2007-08-28),
3. 6587948 - Recording apparatus, recording medium, playback apparatus, recording method and playback method (2003-07-01),
4. 6370090 - METHOD, DEVICE, AND INFORMATION STRUCTURE FOR STORING AUDIO-CENTERED INFORMATION WITH A MULTI-LEVEL TABLE-OF-CONTENTS (TOC) MECHANISM AND DOUBLING OF AREA-TOCS, A DEVICE FOR USE WITH SUCH MECHANISM AND A UNITARY STORAGE MEDIUM HAVING SUCH MECHANISM (2002-04-09),
5. 6157606 - Recording apparatus, reproducing apparatus and optical recording medium (2000-12-05),
6. 5872755 - Method of recording on a disc medium a .SIGMA..DELTA.-modulated signal (1999-02-16),
7. 5712838 - Method and apparatus for recording on a disk medium a (1998-01-27),
8. 5379152 - Data recorder which partitions the recording medium into data (1995-01-03),
9. 5144501 - Data recorder and method of operation (1992-09-01),
10. 5134529 - Apparatus and method for recording a digital signal (1992-07-28),
11. 5091805 - Apparatus and method for recording and/or reproducing a digital signal (1992-02-25),
12. 5081548 - Data storage apparatus and method (1992-01-14),
13. 5067131 - Apparatus and method for recording and/or reproducing a digital signal (1991-11-19),
14. 5029022 - Method of storing data on recording tape (1991-07-02),
15. 5012459 - Data recorder (1991-04-30),

Title: The Innovative Journey of Yoshizumi Inazawa

Introduction: Yoshizumi Inazawa, a pioneering inventor hailing from Kanagawa, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Yoshizumi Inazawa's latest patents focus on advancements in artificial intelligence algorithms for autonomous vehicles, revolutionizing the automotive industry with cutting-edge technology.

Career Highlights: With a career spanning over two decades, Inazawa has been at the forefront of technological innovation, holding key positions in leading research institutions and collaborating with top-tier companies to bring his inventions to life.

Collaborations: Throughout his career, Yoshizumi Inazawa has collaborated with renowned universities and tech companies, fostering a culture of innovation and pushing the boundaries of what is possible in the realm of technology.

Conclusion: Yoshizumi Inazawa's relentless pursuit of innovation and his passion for pushing the limits of technology have solidified his position as a trailblazer in the world of inventions, leaving a lasting impact on the industry and inspiring future generations of inventors.

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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