Tokyo, Japan

Masaya Yamashita

This inventor holds 25 USPTO granted patents and 7 published patent applications, plus 1 CIPO patent and 15 EPO patents, primarily in Sensor Technology. Top assignees: Asahi Kasei Kabushiki Kaisha, Asahi Kasei Emd Corporation, Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1999-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaya Yamashita. Retrieved from https://idiyas.com/inventor/masaya-yamashita

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

Calculating rank
USPTO Granted Patents = 25 

% Patents Active = 72.0

 

 

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 346(Granted Patents)


Location History:

  • Machida, JP (1999 - 2008)
  • Tokyo, JP (1999 - 2023)

Company Filing History:


Years Active: 1999-2025

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Areas of Expertise:
Thermoplastic Resin
Respiratory State Estimator
Sound Reproducing Apparatus
Pulse Wave Measuring Device
Signal Processing
Magnetic Sensor
Position Detection
Biological Information
25 patents (USPTO):Explore Patents

Title: Innovations by Masaya Yamashita: Pioneering Respiratory State Estimation Technology

Introduction

Masaya Yamashita is an innovative inventor based in Tokyo, Japan. With an impressive portfolio of 24 patents, he has made significant contributions in the fields of technology and health. His work primarily focuses on developing devices that enhance our understanding of human physiological states, particularly concerning respiratory functions.

Latest Patents

Yamashita's most recent inventions include a series of advanced devices and methods aimed at estimating respiratory states. One of his notable patents is the respiratory state estimating device, which features a pulse wave signal acquiring unit that collects data from the living subject. This device incorporates a pulse rate calculating unit to derive the pulse rate from the pulse wave signal and a respiratory state estimating unit that analyzes the pulse rate to determine the respiratory state. Furthermore, the corresponding respiratory state estimating method involves optically acquiring pulse wave signals, calculating pulse rates, and estimating respiratory states based on this data.

In addition to his work on respiratory estimation, Yamashita has developed an innovative apparatus for drawing attention to objects. This technology utilizes an information acquisition unit to gather personal information and determine target objects based on this information. The apparatus emits ultrasound waves or light to guide attention to the identified target, showcasing his versatility in invention and design.

Career Highlights

Masaya Yamashita has had a distinguished career, contributing to various companies, notably Asahi Kasei Corporation and Asahi Kasei EMD Corporation. His experience in these esteemed organizations has enabled him to refine his expertise and lead groundbreaking projects in the healthcare technology sector.

Collaborations

Throughout his career, Yamashita has collaborated with talented individuals like Toru Kitamura and Shiro Kobayashi. These collaborations have bolstered his ability to innovate and have led to the successful development of multiple patents that enhance user interaction with technology.

Conclusion

Masaya Yamashita stands out as a pivotal figure in the realm of innovation. His extensive list of patents reflects his dedication to enhancing human health and well-being through technology. As he continues to develop new inventions, his contributions will undoubtedly shape the future of respiratory health monitoring and beyond.

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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