Tokyo, Japan

Tatsuya Koizumi

This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignees: The Furukawa Electric Co., Ltd., Sony Corporation, Fuji Electric Co., Ltd.. Active years: 1980-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Koizumi. Retrieved from https://idiyas.com/inventor/tatsuya-koizumi

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

USPTO Granted Patents = 9 

% Patents Active = 88.9

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 85(Granted Patents)


Company Filing History:


Years Active: 1980-2026

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9 patents (USPTO):Explore Patents

Title: Tatsuya Koizumi: Innovator in Sound Processing Technologies

Introduction

Tatsuya Koizumi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of sound processing, holding a total of 9 patents. His innovative work has led to advancements in display control devices and sound processing methods.

Latest Patents

Koizumi's latest patents include a display control device and a display control method. The display control device features a control unit that displays a sound pressure level distribution of predetermined sound data, along with a recordable range corresponding to a quantization bit depth during the recording of the sound data on a display unit. Additionally, he has developed a sound processing apparatus that includes a conversion unit, which samples predetermined audio data with varying quantization bit rates. This apparatus outputs the results as first and second digital audio data, while a frequency analysis unit performs frequency analysis on each output.

Career Highlights

Throughout his career, Tatsuya Koizumi has worked with notable companies such as Furukawa Electric Co., Ltd. and Sony Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in sound processing.

Collaborations

Koizumi has collaborated with esteemed colleagues, including Shuichi Furuya and Junji Sotani. Their combined expertise has fostered an environment of innovation and creativity in their projects.

Conclusion

Tatsuya Koizumi's contributions to sound processing technologies and his impressive portfolio of patents highlight his role as a leading inventor in the field. His work continues to influence advancements in audio technology and display control systems.

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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