Tokyo, Japan

Takehiko Kumagai

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Vlsi Engineering Corp., Hitachi, Ltd.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takehiko Kumagai. Retrieved from https://idiyas.com/inventor/takehiko-kumagai

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Takehiko Kumagai: Innovator in Semiconductor Technology

Introduction

Takehiko Kumagai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of memory devices. His innovative approach has led to advancements that enhance data processing speeds and efficiency.

Latest Patents

Kumagai holds a patent for a single semiconductor substrate RAM device. This device utilizes data compressor/expander circuits that are integrated within a common semiconductor substrate alongside a random access memory unit. The design allows for compression and expansion processes to occur through internal data transfer controls, which are managed by a built-in control unit. This innovation enables continuous temporary data storage and significantly improves the speed of compression and expansion processes.

Career Highlights

Throughout his career, Takehiko Kumagai has worked with prominent companies such as Hitachi, Ltd. and Hitachi VLSI Engineering Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the semiconductor industry.

Collaborations

Kumagai has collaborated with esteemed colleagues, including Takashi Kikuchi and Takao Okubo. These partnerships have fostered an environment of innovation and have led to the successful development of advanced semiconductor solutions.

Conclusion

Takehiko Kumagai's contributions to semiconductor technology exemplify the impact of innovative thinking in the field. His patent for a single semiconductor substrate RAM device showcases his ability to enhance data processing capabilities. His work continues to influence the industry and inspire future 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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