Katsuta, Japan

Hayashi Nakazawa

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Elevator Engineering Co., Ltd., Hitachi Elevator Engineering Ltd.. Active years: 1985-1989.

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

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 36(Granted Patents)


Company Filing History:


Years Active: 1985-1989

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4 patents (USPTO):Explore Patents

Title: Hayashi Nakazawa: Innovator in Power Transmission and Conveyor Systems

Introduction

Hayashi Nakazawa is a notable inventor based in Katsuta, Japan. He has made significant contributions to the fields of power transmission and conveyor systems, holding a total of 4 patents. His innovative designs have improved the efficiency and reliability of various mechanical systems.

Latest Patents

One of Nakazawa's latest patents is a power transmitting apparatus featuring a chain retaining member. This apparatus is designed to maintain the engagement between a chain and sprockets, even as the chain may elongate over time. The inclusion of the chain retaining member reduces the frequency of chain tension adjustments, enhancing the overall reliability of the system. Another significant patent is for the frame of a passenger conveyor. This design includes multiple frame sections that can be easily re-assembled at installation sites, thanks to a positioning pin and hole mechanism that simplifies the assembly process.

Career Highlights

Throughout his career, Nakazawa has worked with prominent companies such as Hitachi, Ltd. and Hitachi Elevator Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Nakazawa has collaborated with talented individuals in his field, including Hiroumi Iyoda and Makoto Ueta. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Hayashi Nakazawa's contributions to power transmission and conveyor systems demonstrate his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving mechanical reliability and efficiency, making him a significant figure in the world of invention.

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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