Ogo, Japan

Keiji Kamei

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Other. Active years: 2002-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Kamei. Retrieved from https://idiyas.com/inventor/keiji-kamei

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 = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 2002-2004

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2 patents (USPTO):Explore Patents

Title: Keiji Kamei: Innovator in Semiconductor Technology

Introduction

Keiji Kamei is a notable inventor based in Ogo, Japan, recognized for his contributions to semiconductor technology. With a total of two patents to his name, Kamei’s inventions reflect a strong understanding of integrated circuit devices and contactless electronic systems.

Latest Patents

Kamei's latest patents focus on advancements in semiconductor integrated circuit devices and contactless electronic devices. His innovative designs facilitate efficient power supply circuits, essential for the stable operation of electronic systems. Kamei’s patents detail a mechanism where an AC voltage is applied to input terminals, and a rectification transistor manages the current flow. This intricate circuitry ensures that the rectified voltage aligns with a predetermined reference voltage, leveraging a voltage-controlled current source to optimize performance. Such technological enhancements are crucial for achieving smooth voltage output with high efficiency in modern electronic devices.

Career Highlights

Throughout his career, Keiji Kamei has worked with reputable companies, including Hitachi, Ltd. His experience in high-tech environments has honed his skills in developing cutting-edge electronic solutions. Kamei's work not only contributes to his patents but also plays a significant role in advancing the semiconductor industry as a whole.

Collaborations

Kamei has collaborated with esteemed professionals in the field, including Kazuki Watanabe and Ryouzou Yoshino. These collaborations have allowed him to share insights and foster innovation, further enhancing the impact of his work in semiconductor technologies.

Conclusion

Keiji Kamei stands out as an inventor whose work in semiconductor integrated circuit devices and contactless electronic devices highlights the importance of innovation in electronics. His patents encapsulate a commitment to excellence and a drive towards developing efficient solutions for modern technological challenges. Through his career and collaborations, Kamei continues to inspire future inventors and push the boundaries of electronic innovation.

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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