Tokyo, Japan

Hitoshi Makishima

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 2008-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Makishima. Retrieved from https://idiyas.com/inventor/hitoshi-makishima

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 1


Company Filing History:


Years Active: 2008-2026

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3 patents (USPTO):Explore Patents

Title: Hitoshi Makishima: Innovator in Semiconductor Technology

Introduction

Hitoshi Makishima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His innovative work has paved the way for advancements in switching devices and semiconductor devices.

Latest Patents

Hitoshi Makishima's latest patents include a switching device, a semiconductor device, and a switching device manufacturing method. The switching device features a switching element, a die pad, a gate terminal, and power terminals arranged in a specific configuration. The semiconductor device comprises a semiconductor element, sealing resin, and a heat dissipation plate, designed to enhance performance and efficiency.

Career Highlights

Throughout his career, Hitoshi has worked with notable companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Hitoshi has collaborated with various professionals in his field, including his coworker Yuki Matsutaka. These collaborations have further enriched his work and led to the development of cutting-edge technologies.

Conclusion

Hitoshi Makishima's contributions to semiconductor technology and his innovative patents highlight his role as a key figure in the industry. His work continues to influence advancements in technology and inspire future inventors.

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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