Ota, Japan

Yasuhiro Tamada

This inventor holds 2 USPTO granted patents. Top assignees: Sanyo Semiconductor Co., Ltd., Sanyo Semiconductor Manufacturing Co., Ltd., Semiconductor Components Industries, LLC. Active years: 2011-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Tamada. Retrieved from https://idiyas.com/inventor/yasuhiro-tamada

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 = 3.4

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Gunma, JP (2011)
  • Ota, JP (2012)

Company Filing History:


Years Active: 2011-2012

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2 patents (USPTO):Explore Patents

Title: Yasuhiro Tamada: Innovator in Semiconductor Technology

Introduction

Yasuhiro Tamada is a notable inventor based in Ota, Japan, recognized for his contributions to semiconductor technology. With a total of 2 patents, he has made significant advancements in the field, particularly in the design and manufacturing of semiconductor devices.

Latest Patents

Tamada's latest patents include a semiconductor device that features a serially-connected diode pair. This innovative design utilizes diodes with high withstand voltage and low on-resistance, formed based on a high withstand voltage vertical PNP bipolar transistor process technology. The configuration allows for a high-efficiency full-wave rectifier circuit that eliminates leakage current due to parasitic transistors. Additionally, he has developed a method for manufacturing a lateral PNP transistor that addresses the challenge of achieving a desired current-amplification factor while maintaining breakdown voltage characteristics without increasing device size.

Career Highlights

Throughout his career, Yasuhiro Tamada has worked with prominent companies such as Sanyo Semiconductor Co., Ltd. and Sanyo Semiconductor Manufacturing Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Tamada has collaborated with notable coworkers, including Keiji Mita and Masao Takahashi, who have also made significant contributions to the field of semiconductor technology.

Conclusion

Yasuhiro Tamada's work in semiconductor devices showcases his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of the complexities involved in semiconductor design and manufacturing.

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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