Takashi Totsuka

This inventor holds 64 USPTO granted patents, primarily in IC Card Technology (CPC class 3651). Top assignees: Sony Corporation, Renesas Technology Corp., Hitachi, Ltd.. Active years: 1996-2011.

USPTO Granted Patents = 64

% Patents Active = 81.3

Average Co-Inventor Count = 3.4

ph-index = 25

Forward Citations = 1,865(Granted Patents)

Forward Citations (Not Self Cited) = 1,826(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama-shi, Kanagawa, JP (2003)
Kodaira, JP (2006)
Machida, JP (1996 - 2011)
Chiba, JP (1998 - 2011)
Tokyo, JP (1998 - 2011)

Company Filing History:

Renesas Technology Corp.

Hitachi Keiyo Engineering Co., Ltd.

patents

5. 4 out of 27

Sony Kabushiki Kaisha

patents

6. 2 out of 87

Hitachi Ulsi Engineering Corp.

patents

7. 1 out of 162

Hitachi Engineering Co., Ltd.

Renesas Electronics Corporation

patents

10. 1 out of 1,799

Sony Computer Entertainment Inc.

patents

11. 3 out of 834,453

Other

patents

where one patent can have more than one assignee

Years Active: 1996-2011

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Areas of Expertise:

IC Card

Memory Card

Nonvolatile Memory

Animation Generator

Storage Device

Information Storage

Image Processing

Curve Generating Device

Content Sharing

Hydraulic Booster

Copyright Protection

Data Merging

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8018038 - IC card with terminals for direct access to internal components (2011-09-13),

2. 8010516 - Content sharing system and content importance level judging method (2011-08-30),

3. RE42366 - Computer animation generator (2011-05-16),

4. 7768110 - Nonvolatile memory apparatus (2010-08-03),

5. 7669773 - IC card module (2010-03-02),

6. 7547961 - IC card with bonding wire connections of different lengths (2009-06-16),

7. 7538418 - IC card (2009-05-26),

8. D581932 - Memory card (2008-12-02),

9. 7458519 - Card tray (2008-12-02),

10. 7374104 - Memory card (2008-05-20),

11. D556764 - Memory card (2007-12-04),

12. 7296754 - IC card module (2007-11-20),

13. 7291903 - Memory card (2007-11-06),

14. D552612 - Memory card (2007-10-09),

15. D552099 - Memory card (2007-10-02),

Title: The Innovative Journey of Takashi Totsuka

Introduction: Takashi Totsuka is a visionary inventor hailing from Machida, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takashi Totsuka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his commitment to pushing the boundaries of what is possible in the modern world.

Career Highlights: With a career spanning over two decades, Totsuka has worked with leading research institutions and tech companies to develop cutting-edge solutions that have revolutionized industries worldwide. His keen eye for detail and passion for innovation have earned him a reputation as a trailblazer in his field.

Collaborations: Throughout his career, Takashi Totsuka has collaborated with top engineers, scientists, and designers to bring his ideas to life. His ability to work seamlessly in multidisciplinary teams has led to the successful implementation of several groundbreaking projects.

Conclusion: Takashi Totsuka's relentless pursuit of innovation and his unwavering dedication to creating a better future through technology make him a true pioneer in the world of inventions. His work continues to inspire generations of inventors and innovators to push the boundaries of what is possible.