Tochigi, Japan

Yuji Sudoh

This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Sudoh. Retrieved from https://idiyas.com/inventor/yuji-sudoh-vbyhtq41

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Innovations by Yuji Sudoh: A Look into a Pioneer of Tape Recording Mechanisms

Introduction: Yuji Sudoh is an esteemed inventor based in Tochigi, Japan, known for his significant contribution to the field of tape recording technology. With a focus on enhancing the mechanics of cassette tape records and reproducers, Sudoh has secured one patent that showcases his innovative spirit and technical expertise.

Latest Patents: Sudoh's patent is titled "Mode Changing Slider Plate Mechanism for Tape Recording and/or Reproducing." This invention aims to simplify and enhance the accuracy of positional adjustments concerning various tape loading and driving elements within a cassette tape recorder. The innovative design includes a single mode-changing slider that effectively controls the respective movements of several critical components, such as the reel base driving mechanism, pinch-roller transferring mechanism, brake operating mechanism, back-tension exerting mechanism, and tape loading mechanism. This invention is pivotal for selecting different operational modes of cassette apparatuses, thereby streamlining the user experience.

Career Highlights: Yuji Sudoh has built an impressive career at Sony Corporation, where he has honed his skills and contributed to various advancements in audio technology. His work not only exemplifies his personal ingenuity but also reflects Sony's commitment to pushing the boundaries of audio recording and playback technology.

Collaborations: Throughout his tenure at Sony Corporation, Sudoh has had the opportunity to collaborate with fellow innovators such as Yutaka Fukuyama and Yoshinori Yamamoto. These partnerships have fostered an environment conducive to creativity and have led to advancements that benefit the industry as a whole.

Conclusion: Yuji Sudoh's innovative contributions to the field of tape recording mechanisms highlight the importance of creativity and technical skill in engineering. His patent showcases the potential of a well-thought-out design to transform user interaction with technology. Through his work at Sony Corporation and in collaboration with other talented engineers, Sudoh continues to leave an indelible mark on the world of audio technology.

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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