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For the Inventor, By the Inventor

Kawaguchi, Japan

Naotaka Tatsuzawa

This inventor holds 2 USPTO granted patents. Top assignee: Enplas Corporation. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naotaka Tatsuzawa. Retrieved from https://idiyas.com/inventor/naotaka-tatsuzawa

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

Calculating rank
USPTO Granted Patents = 2

% Patents Active = 50.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:

goldMedal2 out of 772 
 
Enplas Corporation
 patents

Years Active: 2002

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2 patents (USPTO):Explore Patents
1. 6454522 - Impeller for circumferential current pump (2002-09-24),
2. 6443692 - Impeller for circumferential current pump and method of forming the same (2002-09-03),

Title: Naotaka Tatsuzawa: Innovator in Pump Technology

Introduction

Naotaka Tatsuzawa is a prominent inventor based in Kawaguchi, Japan. He has made significant contributions to the field of pump technology, particularly through his innovative designs for impellers used in circumferential current pumps. With a total of 2 patents to his name, Tatsuzawa continues to push the boundaries of engineering and design.

Latest Patents

Tatsuzawa's latest patents include an "Impeller for Circumferential Current Pump" and a "Method of Forming the Same." The first patent describes an impeller equipped with multiple vanes, each featuring an upstream and downstream side surface. The design ensures that the upstream side surface has a continuous radially inside and outside portion, enhancing the efficiency of the pump. The second patent focuses on an injection-molded impeller that can be utilized without the need for polishing. This impeller is designed with vane grooves on a synthetic resin disc-like member, allowing for effective rotation within a pump casing and cover.

Career Highlights

Tatsuzawa is currently employed at Enplas Corporation, where he applies his expertise in pump technology. His work has been instrumental in developing advanced solutions that improve the performance and reliability of circumferential current pumps. His innovative approach has garnered attention within the industry, establishing him as a key figure in pump design.

Collaborations

Throughout his career, Tatsuzawa has collaborated with notable colleagues, including Yasuyuki Sakamoto and Yoichi Takeuchi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Naotaka Tatsuzawa's contributions to pump technology exemplify the spirit of innovation. His patents reflect a commitment to enhancing the efficiency and functionality of circumferential current pumps. As he continues to work at Enplas Corporation, his impact on the industry is sure to grow.

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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