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For the Inventor, By the Inventor

Tokyo, Japan

Tadashi Ezaki

This inventor holds 47 USPTO granted patents, plus 1 CIPO patent, primarily in Content Copy Control. Top assignee: Sony Corporation. Active years: 1988-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Ezaki. Retrieved from https://idiyas.com/inventor/tadashi-ezaki

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

USPTO Granted Patents = 47

% Patents Active = 76.6


Average Co-Inventor Count = 1.8

ph-index = 17

Forward Citations = 1,074(Granted Patents)


Location History:

  • Kanagawa, JP (1990 - 1997)
  • Tokyo, JP (1988 - 2012)

Company Filing History:

goldMedal47 out of 58,145 
 
Sony Corporation
 patents

Years Active: 1988-2012

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Areas of Expertise:
Content Copy Control
Data Processing
Video Signal
Authentication
Data Transmission
Information Processing
Television Signals
Encrypted Data
Optical Transmission
Multistandard Decoder
Signal Reproducing
Data Distribution
47 patents (USPTO):Explore Patents
1. RE43854 - Copy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signal (2012-12-10),
2. 8312252 - Content receiving apparatus and method, storage medium, and server (2012-11-13),
3. RE43520 - Copy control, for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signal (2012-07-16),
4. 8166523 - Authentication processing system, authentication processing method, authentication device, and computer program (2012-04-24),
5. RE43240 - Copy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signal (2012-03-12),
6. 8095578 - Data processing system and method therefor (2012-01-10),
7. 7886159 - Data providing system and apparatus and methods of same (2011-02-08),
8. 7761465 - Data providing system and method therefor (2010-07-20),
9. 7757101 - Data processing apparatus, data processing system, and data processing method therefor (2010-07-13),
10. 7720223 - System and method of content copy control (2010-05-18),
11. 7548887 - Information-signal playback system, information-signal reading apparatus, information-signal processing apparatus, information-signal playback method, information-signal reading method and information-signal processing apparatus (2009-06-16),
12. 7366907 - Information processing device and method and program storage medium (2008-04-29),
13. 7363512 - System and method of content copy control (2008-04-22),
14. 7315290 - Data communication apparatus (2008-01-01),
15. 7236686 - Method and apparatus for transmitting a signal, method and apparatus for receiving a signal, VBI signal generating apparatus, video signal transmitting apparatus, video signal processing apparatus, video signal receiving apparatus, decoding apparatus, and recording medium for recording a video signal (2007-06-26),

Title: Inventor Spotlight: Tadashi Ezaki from Tokyo, JP

Introduction: Tadashi Ezaki is a prolific inventor hailing from Tokyo, Japan, with an impressive portfolio of 47 patents under his belt.

Latest Patents: Among his latest patents is an innovative method for copy control in video signals, where copyright and copy generation signals are superimposed in non-useful picture information. Another patent showcases a versatile content receiving apparatus compatible with various rights management and protection methods.

Career Highlights: Tadashi Ezaki is a valued member of Sony Corporation, a renowned technology company known for its groundbreaking innovations in the electronics industry.

Collaborations: Throughout his career, Tadashi has collaborated with notable coworkers such as Teruhiko Kori and Keiji Kanota, contributing to the culture of innovation at Sony Corporation.

Conclusion: Tadashi Ezaki's commitment to pushing the boundaries of technological advancements through his patent inventions underscores his significant contributions to the field of electronics. His collaborative spirit and forward-thinking approach make him a standout inventor in the industry.

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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