Chiba, Japan

Hiroyuki Nakazawa

This inventor holds 10 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Sony Computer Entertainment Inc., Nitto Kohki Co., Ltd., Rhythm Watch Co., Ltd.. Active years: 2001-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Nakazawa. Retrieved from https://idiyas.com/inventor/hiroyuki-nakazawa

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 = 90.0


Average Co-Inventor Count = 2.9

ph-index = 7

Forward Citations = 185(Granted Patents)


Location History:

  • Chiba, JP (2001 - 2005)
  • Tokyo, JP (2006 - 2009)

Company Filing History:


Years Active: 2001-2009

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10 patents (USPTO):Explore Patents

Title: Innovations by Hiroyuki Nakazawa

Introduction

Hiroyuki Nakazawa is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of electric tools, particularly in the development of electric screwdrivers. With a total of 10 patents to his name, Nakazawa's work showcases his innovative approach to enhancing tool functionality and efficiency.

Latest Patents

One of Nakazawa's latest patents is a controller for use with an electric screwdriver. This invention aims to ensure that a correct tightening operation is performed by determining if the operation has exceeded a predetermined reference time. The device includes a torque monitor that checks if the load torque has reached the completion torque and a timer that measures the time taken for the tightening operation. Additionally, it features a mechanism to set a reference time for future operations based on previous tightening times. Another notable patent is for an electric screwdriver and its controller, which shares similar functionalities aimed at improving the accuracy and reliability of tightening operations.

Career Highlights

Throughout his career, Nakazawa has worked with notable companies such as Sony Computer Entertainment Inc. and Nitto Kohki Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative tools and technologies.

Collaborations

Nakazawa has collaborated with several talented individuals, including Hiroki Ogata and Kazusato Tagawa. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Hiroyuki Nakazawa's contributions to the field of electric tools, particularly through his patents for electric screwdrivers, highlight his innovative spirit and dedication to improving tool performance. His work continues to influence the industry and inspire future inventions.

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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