Company Filing History:

80 out of 58,129

Sony Corporation

where one patent can have more than one assignee

Years Active: 1998-2016

where 'Filed Patents' based on already Granted Patents

80 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 9467287 - Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method (2016-10-11),

2. 9049009 - Data transmission system (2015-06-02),

3. 8923511 - Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method (2014-12-30),

4. 8594325 - Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method (2013-11-26),

5. 8544108 - Copyright protection storage medium, information recording apparatus and information recording method, and information playback apparatus and information playback method (2013-09-24),

6. 8464356 - Personal library on net (2013-06-11),

7. 8422675 - Data transmission system (2013-04-16),

8. 8352374 - Article of manufacture for controlling the use of content by providing for the delegation of rendering rights (2013-01-08),

9. 8325919 - Streaming system for distributing encrypted compressed image data, and streaming method therefor (2012-12-04),

10. 8325918 - Streaming system for distributing encrypted compressed image data, and streaming method therefor (2012-12-04),

11. 8170206 - Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method (2012-05-01),

12. 8042192 - Information processing apparatus, information processing method, recording medium, and program (2011-10-18),

13. 8005214 - Data transmission system (2011-08-23),

14. 7958366 - Information processing system (2011-06-07),

15. 7957537 - Information processing system and method using encryption key block (2011-06-07),

Title: Innovator Spotlight: Ryuji Ishiguro - Pioneering Data Security Solutions

Introduction: Ryuji Ishiguro, a leading inventor based in Tokyo, Japan, has made significant contributions to the field of data security with a remarkable portfolio of 80 patents. His innovative enciphering and deciphering methods have revolutionized information processing, ensuring robust anti-copying measures.

Latest Patents: Among his recent patents is an enciphering apparatus and method, as well as a deciphering apparatus and method, along with an information processing apparatus and method. These inventions focus on preventing illegal copying by utilizing a sophisticated system where data enciphered by a 1394 interface is securely transmitted between devices.

Career Highlights: Ryuji Ishiguro garnered extensive experience working with renowned companies such as Sony Corporation and Sony Electronics Inc. His tenure at these tech giants provided him with invaluable insights and resources to further his research and development in the realm of data security.

Collaborations: Throughout his career, Ishiguro has collaborated with esteemed colleagues like Yoshitomo Osawa and Tomoyuki Asano. Together, they have pushed the boundaries of innovation, working on cutting-edge projects that have shaped the landscape of information security.

Conclusion: Ryuji Ishiguro's exceptional work in the field of data security exemplifies his dedication to technological advancement. With a rich tapestry of patents and a collaborative spirit, he continues to be a driving force in creating pioneering solutions that safeguard sensitive information in an increasingly digital world.

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5 patents (EPO):

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3 patents pending (EPO):

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