Tokyo, Japan

Yoshikatsu Hayashi

This inventor holds 12 USPTO granted patents and 4 EPO patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Sumitomo Light Metal Industries, Ltd., Fuji Photo Film Company, Limited. Active years: 1976-2017.

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

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


% Patents Active = 75.0

 

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 98(Granted Patents)


Location History:

  • Nagoya, JA (1976)
  • Inazawa, JP (1992)
  • Aichi, JP (1985 - 1997)
  • Tokyo, JP (1999 - 2017)

Company Filing History:


Years Active: 1976-2017

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12 patents (USPTO):Explore Patents

Title: The Innovations of Yoshikatsu Hayashi

Introduction

Yoshikatsu Hayashi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of elevator technology, holding a total of 12 patents. His work focuses on enhancing safety and efficiency in elevator systems.

Latest Patents

Among his latest patents is an "Elevator apparatus including an anomalous acceleration detecting mechanism." This invention features a car suspended by a suspending device, where a braking apparatus applies a braking force to the car. An excessive speed detection level, which changes in response to the car's position, is set in the excessive speed monitoring portion. This mechanism ensures that the braking apparatus activates when the car speed reaches the excessive speed detection level. Another notable patent is the "Elevator with acceleration detection." In this design, the car is also suspended by a suspending means and is raised and lowered by a driving apparatus. The abnormal acceleration detecting mechanism in this patent operates the braking apparatus to stop the car if acceleration exceeds a preset set value.

Career Highlights

Yoshikatsu Hayashi has worked with notable companies such as Mitsubishi Electric Corporation and Sumitomo Light Metal Industries, Ltd. His experience in these organizations has contributed to his expertise in elevator technology and innovation.

Collaborations

Throughout his career, Hayashi has collaborated with talented individuals, including Azusa Ohashi and Shin Tsuchida. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Yoshikatsu Hayashi's contributions to elevator technology through his patents and collaborations highlight his innovative spirit and dedication to safety and efficiency. His work continues to influence the industry and improve the functionality of elevator systems.

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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