Nagano, Japan

Kenichi Hayashi

This inventor holds 12 USPTO granted patents and 2 published patent applications. Top assignees: Sankyo Seiki Mfg. Co., Ltd, Kabushiki Kaisha Sankyo Seiki Seisakusho, Nidec Sankyo Corporation. Active years: 2000-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenichi Hayashi. Retrieved from https://idiyas.com/inventor/kenichi-hayashi-rok74sqv

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

Calculating rank
USPTO Granted Patents = 12 

% Patents Active = 41.7

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 2000-2021

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12 patents (USPTO):Explore Patents

Title: Kenichi Hayashi: Innovator in Hydraulic Control Systems

Introduction

Kenichi Hayashi is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of hydraulic control systems, holding a total of 12 patents. His innovative work has advanced the technology used in various industrial applications.

Latest Patents

One of Hayashi's latest patents is a control method and drive control apparatus for hydraulic injection molding machines. This invention focuses on the deceleration control processing of hydraulic driving actuators. When the deceleration start point is reached, the meter-in side of the actuator is subjected to flow rate control, initiating the deceleration control process. The position of the movable unit is detected, allowing for speed instructions to be applied based on the movement position. This feedback control enhances the efficiency of hydraulic systems. Another notable patent is the electric pump apparatus, which features a motor-driven design that includes a pump and a servo motor. The innovative coupling of the pump shaft and servo motor shaft, along with a cooling fan, ensures optimal performance and longevity of the motor.

Career Highlights

Throughout his career, Kenichi Hayashi has worked with reputable companies such as Sankyo Seiki Mfg. Co., Ltd and Nidec Sankyo Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in hydraulic systems.

Collaborations

Hayashi has collaborated with talented individuals in his field, including Yuji Fujita and Yoshifusa Miyasaka. These partnerships have fostered innovation and have led to the development of advanced technologies.

Conclusion

Kenichi Hayashi's contributions to hydraulic control systems exemplify his dedication to innovation and technology. His patents reflect a deep understanding of engineering principles and a commitment to improving industrial processes. His work continues to influence the field and inspire future inventors.

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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