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For the Inventor, By the Inventor

Tokyo, Japan

Katsumi Yamatogi

This inventor holds 12 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1991-1994.

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

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 11

Forward Citations = 805(Granted Patents)


Company Filing History:

goldMedal12 out of 58,147 
 
Sony Corporation
 patents

Years Active: 1991-1994

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12 patents (USPTO):Explore Patents
1. D348466 - Headphone (1994-07-05),
2. D348465 - Headphone (1994-07-05),
3. D347434 - Headphone (1994-05-31),
4. D345163 - Headphone (1994-03-15),
5. D345162 - Headphone (1994-03-15),
6. D338010 - Headphone (1993-08-03),
7. D337767 - Infra-red ray transmission machine for cordless headphone (1993-07-27),
8. D333560 - Earphone case (1993-03-02),
9. D328461 - Headphone (1992-08-04),
10. D325578 - Transmitter for a headphone (1992-04-21),
11. D319241 - Headphone (1991-08-20),
12. D316106 - Hand held copying machine (1991-04-09),

Title: The Innovative Mind of Katsumi Yamatogi

Introduction: Katsumi Yamatogi is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Katsumi Yamatogi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Katsumi Yamatogi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Katsumi Yamatogi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Katsumi Yamatogi's passion for innovation and his relentless drive to push the boundaries of technology make him a true pioneer in the world of inventions. His work continues to inspire the next generation of inventors and shape the future of technological advancements.

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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