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For the Inventor, By the Inventor

Kanagawa, Japan

Katsumi Tahara

This inventor holds 70 USPTO granted patents, plus 2 CIPO patents, primarily in Digital Signal Processing (CPC class 3484). Top assignees: Sony Corporation, Sony United Kingdom Limited, Sony Corpotation. Active years: 1992-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Tahara. Retrieved from https://idiyas.com/inventor/katsumi-tahara

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

USPTO Granted Patents = 70

% Patents Active = 81.4


Average Co-Inventor Count = 2.5

ph-index = 24

Forward Citations = 1,684(Granted Patents)

Forward Citations (Not Self Cited) = 1,597(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JP (2008 - 2011)
  • Kanagawa, JP (1992 - 2015)

Company Filing History:

goldMedal68 out of 58,147 
 
Sony Corporation
 patents
silverMedal2 out of 421 
 
Sony United Kingdom Limited
 patents
bronzeMedal1 out of 62 
 
Sony Corpotation
 patents
4. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1992-2015

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Areas of Expertise:
Transcoding System
Encoding Method
Digital Signal Processing
Data Transmission
Multiplexing Apparatus
Video Signal Compression
Communication Method
Data Recording
Digital Video Copy Protection
Information Processing
Coded Stream Splicing
Picture Signal Transmission
70 patents (USPTO):Explore Patents
1. 8982946 - Transcoding system using encoding history information (2015-03-17),
2. 8948251 - Transcoding system using encoding history information (2015-02-03),
3. 8938000 - Transcoding system using encoding history information (2015-01-20),
4. 8934536 - Transcoding system using encoding history information (2015-01-13),
5. 8687690 - Transcoding system using encoding history information (2014-04-01),
6. 8638849 - Transcoding system using encoding history information (2014-01-28),
7. 8170118 - Information processing apparatus, information processing method and recording medium (2012-05-01),
8. 8160134 - Encoding system and method, decoding system and method, multiplexing apparatus and method, and display system and method (2012-04-17),
9. RE43238 - Picture signal transmitting method and apparatus (2012-03-12),
10. RE43111 - Picture signal transmitting method and apparatus (2012-01-16),
11. RE43043 - Picture signal transmitting method and apparatus (2011-12-26),
12. RE43021 - Picture signal transmitting method and apparatus (2011-12-12),
13. 7953718 - Data processing apparatus, method, and program (2011-05-31),
14. 7551672 - Encoding system and method, decoding system and method, multiplexing apparatus and method, and display system and method (2009-06-23),
15. 7469007 - Transcoding system using encoding history information (2008-12-23),

Title: The Innovative Journey of Inventor Katsumi Tahara

Introduction: Katsumi Tahara, a pioneering inventor hailing from Kanagawa, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Katsumi Tahara holds several patents in various fields, including technology, healthcare, and automotive industries, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Katsumi Tahara has been recognized for his inventive spirit and problem-solving skills. His inventions have not only revolutionized existing technologies but have also paved the way for new advancements in different sectors.

Collaborations: Katsumi Tahara has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His partnerships have been instrumental in turning his concepts into tangible products that have had a positive impact on society.

Conclusion: In conclusion, Katsumi Tahara stands as a testament to the power of innovation and the impact that one individual can have on the world through their inventive creations. His dedication to pushing the boundaries of what is possible has left a lasting legacy in the field of inventions.

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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