Yokkaichi, Japan

Tatsuya Sumida

This inventor holds 53 USPTO granted patents and 2 published patent applications, primarily in Power Storage Technology (CPC class H05K). Top assignees: Sumitomo Wiring Systems, Limited, Sumitomo Electric Industries, Limited, Autonetworks Technologies, Limited. Active years: 1991-2024.

USPTO Granted Patents = 53 

% Patents Active = 71.7

Average Co-Inventor Count = 1.5

ph-index = 13

Forward Citations = 509(Granted Patents)

Forward Citations (Not Self Cited) = 504(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Mie-ken, JP (1997)
  • Mie, JP (2018 - 2022)
  • Yokkaichi, JP (1991 - 2024)

Company Filing History:


Years Active: 1991-2024

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Areas of Expertise:
Power Storage Module
Electrical Connection Box
Electricity Storage Unit
Circuit Assembly
Junction Box
Fuse Unit
Power Supply Device
Shock Resistant Box
Lattice-Shaped Circuit Board
Electrical Junction Box
Breaker Device
53 patents (USPTO):Explore Patents

Title: Tatsuya Sumida: Pioneering Inventor from Yokkaichi

Introduction: Tatsuya Sumida is a renowned inventor hailing from Yokkaichi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tatsuya Sumida holds several patents in the areas of electronics, renewable energy, and sustainable technologies, showcasing his commitment to creating solutions for a better future.

Career Highlights: With a career spanning over two decades, Sumida has worked with leading research institutions and tech companies, playing a key role in developing cutting-edge products that have revolutionized the industry.

Collaborations: Throughout his career, Tatsuya Sumida has collaborated with top engineers, scientists, and designers, fostering a culture of innovation and excellence in all his projects.

Conclusion: Tatsuya Sumida's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

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