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For the Inventor, By the Inventor

Kanagawa, Japan

Osamu Udagawa

This inventor holds 9 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1996-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Udagawa. Retrieved from https://idiyas.com/inventor/osamu-udagawa

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 88.9

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 306(Granted Patents)


Company Filing History:

goldMedal9 out of 58,150 
 
Sony Corporation
 patents

Years Active: 1996-2004

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9 patents (USPTO):Explore Patents
1. 6785213 - Disk drive apparatus, and disk formatting method (2004-08-31),
2. 6144969 - File name conversion (2000-11-07),
3. 6138203 - Information processing apparatus and method enabling a write-once (2000-10-24),
4. 6134626 - Method and apparatus for recording data using multiple buffers (2000-10-17),
5. 5978812 - Information processor and method of information processing (1999-11-02),
6. 5920526 - Method for detecting a boundary between recorded and unrecorded areas on (1999-07-06),
7. 5737289 - Data recording apparatus adapted for recording data signals onto an (1998-04-07),
8. 5706261 - Optical disc device capable of quick search for a boundary between (1998-01-06),
9. 5563862 - Write once optical disc recording apparatus with reduced data error rate (1996-10-08),

Title: The Innovations of Osamu Udagawa

Introduction

Osamu Udagawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of technology, particularly in the area of disk drive apparatuses. With a total of 9 patents to his name, Udagawa continues to push the boundaries of innovation.

Latest Patents

Among his latest patents is a disk drive apparatus and a disk formatting method. This innovative method allows formatting to be applied only to a local area, which is a part of the entire recordable area of a rewritable disk. It specifically avoids portions where a lead-in area and a lead-out area are to be formed. In essence, only the required minimum area is formatted, and the formatted area can be extended afterwards as needed. This approach significantly shortens the disk formatting process.

Career Highlights

Udagawa is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop and refine his inventions, contributing to the company's reputation for innovation and quality.

Collaborations

Some of his notable coworkers include Tatsuya Inokuchi and Yasuyoshi Kaneko. Their collaboration has likely fostered an environment of creativity and technological advancement.

Conclusion

Osamu Udagawa's contributions to technology, particularly in disk drive apparatuses, highlight his role as a key innovator in the field. His patents reflect a commitment to improving efficiency and functionality in 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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