Hitachi, Japan

Hiroshi Kozaka

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1992-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kozaka. Retrieved from https://idiyas.com/inventor/hiroshi-kozaka

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 = 5.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1992-1993

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2 patents (USPTO):Explore Patents

Title: Hiroshi Kozaka: Innovator in Semiconductor Technology

Introduction

Hiroshi Kozaka is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of rectifying diodes. With a total of 2 patents, his work has had a notable impact on the industry.

Latest Patents

Kozaka's latest patents include innovative designs for semiconductor rectifying diodes with PN geometry. The first patent describes a semiconductor rectifying diode that features a first semiconductor region of one conductivity type, along with a plurality of third semiconductor regions of the opposite conductivity type. These regions are strategically spaced on one surface of the first semiconductor region. A main electrode is in ohmic contact with the first semiconductor region and interacts with the third semiconductor regions through the Schottky barrier. To minimize reverse leakage current, a specific relationship between the distance W, the depth D of the third semiconductor regions, and the width wo of the depletion layer is established.

The second patent reiterates similar concepts, emphasizing the importance of the relationship between the dimensions of the semiconductor regions to enhance performance and efficiency.

Career Highlights

Hiroshi Kozaka is currently employed at Hitachi, Ltd., where he continues to push the boundaries of semiconductor technology. His work has been instrumental in advancing the capabilities of electronic components, making them more efficient and reliable.

Collaborations

Throughout his career, Kozaka has collaborated with notable colleagues, including Susumu Murakami and Masanori Takata. These partnerships have fostered a creative environment that has led to groundbreaking innovations in the semiconductor field.

Conclusion

Hiroshi Kozaka's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced electronic components, ensuring a lasting impact on 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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