Tokyo, Japan

Masaaki Hirai

This inventor holds 8 USPTO granted patents. Top assignees: Casio Computer Co., Ltd., Kabushiki Kaisha Toshiba, Nihon Kohden Corporation. Active years: 1995-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Hirai. Retrieved from https://idiyas.com/inventor/masaaki-hirai

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


% Patents Active = 87.5

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 123(Granted Patents)


Location History:

  • Fussa, JP (1995 - 2002)
  • Tokyo, JP (1995 - 2023)

Company Filing History:


Years Active: 1995-2023

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8 patents (USPTO):Explore Patents

Title: Masaaki Hirai: Innovator in Diagnostic and Vibration Control Technologies

Introduction

Masaaki Hirai is a prominent inventor based in Tokyo, Japan. He holds a total of 8 patents that showcase his innovative contributions to technology. His work primarily focuses on diagnostic systems and vibration control devices, which have significant applications in various industries.

Latest Patents

One of Hirai's latest patents is a diagnostic system designed to enhance the efficiency of conveyor devices. This system includes a conveyor device with an endless chain and multiple sensors that detect the movement of rollers. The diagnostic device measures the elongation of the chain, ensuring optimal performance during operation. Another notable invention is a vibration control device for washing machines. This device incorporates a drum, washing tank, and an acceleration detecting unit to manage vibrations effectively. The control unit adjusts the driving force of a linear actuator based on detected acceleration, providing a smoother washing experience.

Career Highlights

Masaaki Hirai has worked with renowned companies such as Casio Computer Co., Ltd. and Toshiba Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Hirai has collaborated with notable individuals in the field, including Tadao Hirano and Yuji Doi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Masaaki Hirai's contributions to diagnostic systems and vibration control technologies highlight his role as a significant inventor in the industry. His innovative spirit continues to drive advancements that improve efficiency and performance in various applications.

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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