Sayama, Japan

Toshio Sawa

This inventor holds 4 USPTO granted patents. Top assignees: Irie Koken Kabushiki Kaisha, Nippo Sangyo Co., Ltd.. Active years: 1986-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Sawa. Retrieved from https://idiyas.com/inventor/toshio-sawa-abntal2u

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 68(Granted Patents)


Company Filing History:


Years Active: 1986-2004

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4 patents (USPTO):Explore Patents

Title: Innovations of Toshio Sawa

Introduction

Toshio Sawa is a notable inventor based in Sayama, Japan. He has made significant contributions to the field of engineering, particularly in the development of devices that enhance road safety and measurement accuracy. With a total of 4 patents to his name, Sawa's work reflects a commitment to innovation and practical solutions.

Latest Patents

One of Sawa's latest inventions is a road surface roughness measuring device. The objective of this invention is to provide an apparatus that measures both the coefficient of dynamic friction and the roughness of the road surface in each direction at the same section. This device divides the measuring circle on the road surface into multiple sections, allowing for precise measurements. The apparatus includes a frame with several legs for stability, a vertically extending rotary shaft, a rotary encoder, a rotation plate, a motor with a speed-reducing gear, and a laser displacement gauge. The laser gauge measures road surface roughness along the measuring circle, and the data is processed to calculate roughness for each section.

Another notable invention by Sawa is a valve body for a non-sliding type gate valve. This invention showcases his versatility and expertise in creating solutions for various engineering challenges.

Career Highlights

Throughout his career, Toshio Sawa has worked with reputable companies, including Nippo Sangyo Co., Ltd. and Irie Koken Kabushiki Kaisha. His experience in these organizations has contributed to his development as an inventor and has provided him with valuable insights into the industry.

Collaborations

Sawa has collaborated with several professionals in his field, including Norikimi Irie and Yuzo Hayashi. These collaborations have likely enriched his work and led to innovative solutions in engineering.

Conclusion

Toshio Sawa's contributions to engineering through his inventions demonstrate his dedication to improving road safety and measurement techniques. His innovative spirit and collaborative efforts continue to influence the field positively.

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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