Tokyo, Japan

Mao Kawamura

This inventor holds 16 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Power Conversion Systems. Top assignees: Mitsubishi Electric Corporation, Mitsubishi Electric Cornoration. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mao Kawamura. Retrieved from https://idiyas.com/inventor/mao-kawamura

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

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 93.8

 

Average Co-Inventor Count = 1.2

ph-index = 4

Forward Citations = 29(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2016)
  • Tokyo, JP (2016 - 2024)

Company Filing History:


Years Active: 2016-2025

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Areas of Expertise:
Power Conversion
In-Vehicle Charger
Noise Filter
Electric-Power Conversion
Temperature Control
Surge-Suppression
Single-Phase Inverter
Inrush Current Prevention
16 patents (USPTO):Explore Patents

Title: Mao Kawamura: Innovator in Semiconductor Technology

Introduction

Mao Kawamura is a prominent inventor based in Tokyo, Japan, known for his significant contributions to semiconductor technology. With a total of 15 patents to his name, Kawamura has made remarkable advancements in the field, particularly in power conversion devices.

Latest Patents

Kawamura's latest patents include a semiconductor device and a power conversion apparatus. The semiconductor device features a first circuit with semiconductor switching elements connected in parallel. Each switching element is designed to be controlled based on the voltage between its first and third electrodes, allowing for efficient conduction management. The device is engineered to meet specific impedance conditions, enhancing its performance. The power conversion device incorporates a boost converter with a magnetically-coupled reactor and multiple semiconductor switching elements. It also includes an inverter, a cooling system, and a current sensor, all designed to optimize the device's functionality and efficiency.

Career Highlights

Throughout his career, Kawamura has worked with notable companies, including Mitsubishi Electric Corporation. His work has focused on developing innovative solutions that address the challenges in semiconductor technology and power conversion systems.

Collaborations

Kawamura has collaborated with talented individuals in the field, including Mamoru Takikita and Yohei Matsuda. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Mao Kawamura's contributions to semiconductor technology and power conversion devices highlight his innovative spirit and dedication to advancing the field. His work continues to influence the industry and inspire future innovations.

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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