Tokyo, Japan

Takayoshi Chiba

This inventor holds 19 USPTO granted patents, primarily in Optical Information Systems. Top assignees: Sony Corporation, Nec Corporation, Other. Active years: 1994-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayoshi Chiba. Retrieved from https://idiyas.com/inventor/takayoshi-chiba

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

Calculating rank

% Patents Active = 78.9

Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 187(Granted Patents)


Location History:

  • Machida, JP (2002)
  • Tokyo, JP (1994 - 2010)

Company Filing History:

goldMedal17 out of 58,148 
 
Sony Corporation
 patents
silverMedal4 out of 36,735 
 
Nec Corporation
 patents
bronzeMedal1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1994-2010

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Areas of Expertise:
Information Reproduction
Recording Device
Optical Disk
PLL Circuit
Optical Pickup Control
Data Recording
Disc Reproduction
Address Detection
Read/Write Mode
Jump-Back Access
Signal Generators
19 patents (USPTO):Explore Patents

Title: Inventor Takayoshi Chiba: A Pioneer in Information Reproduction Technology

Introduction

Takayoshi Chiba, a distinguished inventor based in Tokyo, Japan, has made significant contributions to the field of information reproduction technology. With an impressive portfolio of 19 patents, he has demonstrated a consistent drive for innovation and technological advancement. His latest inventions focus on refining the precision and functionality of information reproduction devices.

Latest Patents

Among Takayoshi Chiba's recent developments is the "Information Reproduction Device and Read Clock Monitoring Method." This innovative device enhances the monitoring capability of read clocks, exceeding the performance of traditional methods. It features frequency difference detection means to identify discrepancies between a read clock, which is derived from a reproduction signal, and a reference clock. This technology allows for effective signal processing and provides real-time status information on whether the processing is functioning correctly. Additionally, his patent proposes a frequency monitoring system that transitions between normal and abnormal statuses based on processed data.

Another pivotal invention is the "Recording Device, Recording Method, Reproducing Device, and Reproducing Method," which facilitates the dual functionality of physically rewritable discs. These discs can now be effectively utilized for both rewritable and write-once applications. By managing the starting positions for data writing based on the intended use, Chiba's approach ensures that data integrity is maintained and rewriting is disabled when these discs are used in write-once scenarios.

Career Highlights

Throughout his illustrious career, Takayoshi Chiba has worked with renowned companies whose innovations have shaped the technology landscape. Notably, he contributed to critical advancements during his time at Sony Corporation and NEC Corporation. His experience in these technology giants has undoubtedly influenced his creative endeavors and patent achievements.

Collaborations

Takayoshi Chiba's journey in the world of innovation has also involved collaboration with esteemed colleagues, including Junichi Horigome and Shigeo Yamaguchi. These partnerships have fostered an environment of shared ideas and collective advancement, leading to numerous successful projects and patents that have driven the field forward.

Conclusion

Takayoshi Chiba stands as a testament to the power of innovation in enhancing technology. Through his groundbreaking patents, he has significantly contributed to the field of information reproduction. His work not only reflects technical skill but also a vision for future advancements in data processing technology.

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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