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For the Inventor, By the Inventor

Numazu, Japan

Shuichi Muramatsu

This inventor holds 10 USPTO granted patents. Top assignee: Kokusan Denki Co., Ltd.. Active years: 2002-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuichi Muramatsu. Retrieved from https://idiyas.com/inventor/shuichi-muramatsu

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

USPTO Granted Patents = 10

% Patents Active = 50.0

Average Co-Inventor Count = 4.3

ph-index = 6

Forward Citations = 103(Granted Patents)


Location History:

  • Numazu, JP (2002 - 2014)
  • Fuji, JP (2018)

Company Filing History:

goldMedal10 out of 180 
 
Kokusan Denki Co., Ltd.
 patents

Years Active: 2002-2018

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10 patents (USPTO):Explore Patents
1. 9941728 - Battery charging device (2018-04-10),
2. 8736233 - Power source device (2014-05-27),
3. 7868451 - Resin sealing semiconductor device and electronic device using resin sealing semiconductor device (2011-01-11),
4. 7741708 - Semiconductor device (2010-06-22),
5. 7466108 - Battery charging control device (2008-12-16),
6. 7253590 - Output control device of generation device (2007-08-07),
7. 7081738 - Generating device having magneto generator (2006-07-25),
8. 6940259 - Generating device including magneto generator (2005-09-06),
9. 6787931 - Starter generator for internal combustion engine (2004-09-07),
10. 6392311 - Starter generator for internal combustion engine (2002-05-21),

Title: The Innovative Contributions of Shuichi Muramatsu

Introduction

Shuichi Muramatsu is a notable inventor hailing from Numazu, Japan. With a remarkable portfolio of 10 patents, he has made significant advancements in electrical engineering, particularly in power conversion and battery technology.

Latest Patents

Among his latest inventions is a **battery charging device** designed to enhance the efficiency of charging systems. This innovative device includes a bridge-type controlled rectifier circuit featuring three-phase thyristors, which is crucial for rectifying output from a three-phase AC generator. The device effectively manages charging currents to batteries, employing a controller that regulates trigger signals to prevent overcharging and commutation failure during operation.

Additionally, Muramatsu has developed a **power source device** that rectifies AC generator outputs with magneto coils connected in a star formation across three phases. This invention incorporates dual control rectifier circuits, allowing for full-wave rectification of the generated currents, optimizing the load distribution based on the generator's rotational speed.

Career Highlights

Shuichi is currently affiliated with Kokusan Denki Co., Ltd., where he applies his inventive skills to advance electrical and power technology. His work at the company has been instrumental in developing practical solutions that benefit various industries.

Collaborations

Throughout his career, Shuichi has worked alongside talented colleagues, including Masanori Nakagawa and Hideaki Suzuki. Their collaborative efforts have likely contributed to the successful development and implementation of innovative technologies in their field.

Conclusion

Shuichi Muramatsu exemplifies the spirit of innovation in electrical engineering. His contributions, particularly through his recent patents, underscore his commitment to enhancing battery efficiency and power conversion technologies. As he continues to innovate, his work is expected to leave a lasting impact on the industry.

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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