Hirakata, Japan

Yasufumi Nakajima

This inventor holds 5 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1993-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Nakajima. Retrieved from https://idiyas.com/inventor/yasufumi-nakajima

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


% Patents Active = 80.0

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 160(Granted Patents)


Location History:

  • Osaka, JP (1993)
  • Hirakata, JP (2002 - 2007)

Company Filing History:


Years Active: 1993-2007

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Yasufumi Nakajima: Innovator in Electronic Circuit Devices

Introduction

Yasufumi Nakajima is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of electronic circuit devices, holding a total of 5 patents. His work focuses on enhancing the efficiency and compactness of electronic systems.

Latest Patents

One of Nakajima's latest patents is an electronic circuit device that features a circuit board electrically connected to a semiconductor element via a metallic plate. This innovative design includes a semiconductor element with a first and second surface, where the first electrode is on the first surface and the second electrode is on the second surface. The first circuit board is connected to the first electrode through a metallic plate, while a second circuit board houses a control circuit for the semiconductor element. Additionally, a metallic wire directly connects the second electrode to the second circuit board.

Another notable patent involves an electronic circuit device that includes a metallic member with installation members. In this design, bumps are formed on the electrodes of semiconductor elements, allowing for a direct electrical connection to metallic members. This approach eliminates wiring lines, reducing stray inductance and conduction resistance, and ultimately leading to a more compact electronic circuit device for power control systems.

Career Highlights

Yasufumi Nakajima has been associated with Matsushita Electric Industrial Co., Ltd., where he has played a crucial role in developing advanced electronic technologies. His innovative designs have contributed to the company's reputation for excellence in the electronics industry.

Collaborations

Nakajima has collaborated with notable coworkers such as Kazuhiro Nobori and Satoshi Ikeda. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Yasufumi Nakajima's contributions to electronic circuit devices exemplify his commitment to innovation and efficiency. His patents reflect a deep understanding of electronic systems and a drive to improve their functionality. His work continues to influence the field and inspire future advancements in 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]
Loading…