Kanagawa, Japan

Hitoshi Tamai

This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Tamai. Retrieved from https://idiyas.com/inventor/hitoshi-tamai-4o3fxn5o

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: 2002

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1 patent (USPTO):Explore Patents

Title: Hitoshi Tamai and His Portable Electronic Apparatus Invention.

Introduction

Hitoshi Tamai is an inventor associated with Kanagawa, Japan, and Sony Corporation. His work includes an invention focused on making an electronic apparatus easier to carry.

Latest Patents

Tamai is credited with 1 patent: “Electronic Apparatus for Reproducing Data.” The invention describes an electronic apparatus with a main portion, an external electric connector, and a connecting line. Recesses in the main portion hold the connector and line removably, allowing them to be stored together with the apparatus as one unit. This design helps make the device more convenient to carry.

Career Highlights

Tamai’s listed patent reflects an emphasis on practical device design and portability. The invention addresses how external connection components can be stored with an electronic apparatus when they are not in use.

Collaborations

Tatsuo Yoshida and Hirotaka Sakaguchi are identified as Tamai’s coworkers. The available information does not specify their roles in the patent.

Conclusion

Hitoshi Tamai’s patent for Sony Corporation presents a straightforward approach to improving the portability of electronic apparatus by integrating storage for its connector and connecting line.

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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