Tokyo, Japan

Hiroyuki Sasaki

This inventor holds 44 USPTO granted patents and 2 published patent applications and 5 EPO patents, primarily in Musical Instrument Technology. Top assignees: Casio Computer Co., Ltd., Asahi Kasei Kabushiki Kaisha, Japan Aviation Electronics Industry, Limited. Active years: 1987-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Sasaki. Retrieved from https://idiyas.com/inventor/hiroyuki-sasaki

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

USPTO Granted Patents = 44 

% Patents Active = 88.6

 

Average Co-Inventor Count = 1.9

ph-index = 9

Forward Citations = 255(Granted Patents)


Location History:

  • Hachiouji, JP (1991)
  • Fussa, JP (1990 - 1998)
  • Ome, JP (2001 - 2021)
  • Tokyo, JP (1987 - 2024)

Company Filing History:


Years Active: 1987-2025

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Areas of Expertise:
Semiconductor Chip
Debug System
Humidity Measuring Device
Musical Sound Generation
Signal Processing Device
Optical Fiber Coupler
Tone Information Processing
Automatic Music Performance
Acceleration Measuring Device
Defogging Device
Barometric Altimeter
Effect Adding Apparatus
44 patents (USPTO):Explore Patents

Title: Hiroyuki Sasaki: Innovator in Defogging and Humidity Measurement Technologies

Introduction

Hiroyuki Sasaki, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the fields of defogging and humidity measurement technology. With a total of 43 patents to his name, Sasaki has demonstrated a remarkable ability to innovate and improve existing technologies.

Latest Patents

Among his latest innovations is a sophisticated defogging device that integrates multiple sensors, including temperature and infrared sensors, to effectively gauge and manage fogging and dew condensation on glass surfaces. This device utilizes a structured approach: first, it measures temperature with the temperature sensor, while the infrared sensor assists in determining the glass surface’s temperature. Furthermore, the humidity sensor and dew point temperature measuring unit collaborate to assess environmental conditions accurately, enabling the fogging/dew condensation determining unit to evaluate whether fogging or dew condensation occurs.

Another notable innovation from Sasaki is a humidity measuring device designed to function without a traditional barometric pressure sensor. This device employs an elevation obtaining unit to determine the altitude of the measurement point. By applying a specific calculation formula, it calculates the barometric pressure based on this elevation, allowing the humidity correcting unit to adjust humidity readings accordingly.

Career Highlights

Sasaki has a rich professional history, having worked with prominent companies such as Casio Computer Co., Ltd. and Asahi Kasei Corporation. His tenure at these organizations has allowed him to hone his skills and contribute to significant technological advancements.

Collaborations

Throughout his career, Sasaki has collaborated with esteemed professionals, including Kohtaro Hanzawa and Shigenori Morikawa. These partnerships have not only fostered innovation but have also enhanced the development and refinement of his inventive ideas.

Conclusion

Hiroyuki Sasaki stands out as a pivotal figure in the realm of innovation, particularly in developing technologies for defogging and humidity measurement. His numerous patents reflect his dedication to improving everyday life through advanced technological solutions. As he continues to innovate, the impact of his work will likely resonate in various applications, benefiting both individuals and industries alike.

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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