Hitachinaka, Japan

Shuji Mizutani

This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Hitachi, Ltd.. Active years: 2009-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuji Mizutani. Retrieved from https://idiyas.com/inventor/shuji-mizutani

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

USPTO Granted Patents = 4 

% Patents Active = 75.0


Average Co-Inventor Count = 5.8

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 2009-2013

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Shuji Mizutani

Introduction

Shuji Mizutani, an accomplished inventor based in Hitachinaka, Japan, has made significant strides in the field of electrical generation technology. With a total of four patents to his name, Mizutani's work focuses on enhancing the efficiency and performance of synchronous generators and electrical rotation machines.

Latest Patents

Mizutani's most recent patents showcase his innovative spirit. The first patent is for a **synchronous generator and synchronous generator system for reducing distortion of current waveform**. This invention features a rotor with a field winding and a stator with an armature winding. A critical aspect of this design is maintaining a specific relationship between the number of slots per two poles in the rotor and stator, which optimizes performance and minimizes waveform distortion.

The second patent involves an **electrical rotation machine and a wind turbine system**. This innovation presents an electric rotation machine for windmill power generation that combines a unique stator slot structure with distributed windings and a rotor pole structure equipped with permanent magnets. Mizutani's design emphasizes the importance of specific slot and pole configurations to reduce distortion factors of induced voltages, thereby improving efficiency in windmill power generation.

Career Highlights

Shuji Mizutani's career has been predominantly associated with Hitachi, Ltd., a leader in technology and innovation. His work has reflected the company's commitment to developing cutting-edge solutions for electrical power generation. Mizutani's patents are pivotal in advancing the field of renewable energy technology, particularly through the implementation of efficient generators and machines.

Collaborations

Throughout his career, Mizutani has collaborated with notable colleagues, including Tetsuo Fujigaki and Kazumasa Ide. These partnerships have fostered an environment of innovation, pooling together ideas and expertise to push the boundaries of electrical technologies.

Conclusion

Shuji Mizutani stands out as a prominent inventor whose patents are instrumental in enhancing the performance of electrical generation systems. His contributions, particularly in the area of synchronous generators and wind turbine technologies, underscore the vital role of innovation in addressing modern energy challenges. As the renewable energy landscape continues to evolve, Mizutani's work will likely influence future advancements in sustainable power generation.

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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