Tokyo, Japan

Toshio Igarashi

This inventor holds 7 USPTO granted patents. Top assignees: Dipsol Chemicals Co., Ltd., Bridgestone Tire Company Limited, Hino Motors, Ltd.. Active years: 1976-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Igarashi. Retrieved from https://idiyas.com/inventor/toshio-igarashi-7c41hfbb

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 = 2.5

ph-index = 6

Forward Citations = 99(Granted Patents)


Location History:

  • Tokyo, JA (1976)
  • Tokyo, JP (1979 - 2002)

Company Filing History:


Years Active: 1976-2002

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7 patents (USPTO):Explore Patents

Title: **The Innovative Contributions of Toshio Igarashi**

Introduction

Toshio Igarashi is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to engineering and technology. With a remarkable portfolio of seven patents, Igarashi focuses particularly on advancements in environmental technology and automotive innovations.

Latest Patents

Among his latest inventions is the "Soot Treating Apparatus for Dust Collector." This innovative apparatus features a hopper designed to collect soot from exhaust gases, effectively integrating a backwashing mechanism that introduces compressed air to facilitate soot removal from the filter. The design also incorporates a combustion pipe supported by a heater, which allows for the complete burning of soot, resulting in minimal ash residue that can be easily managed. This invention showcases Igarashi's commitment to environmental sustainability by enabling direct discharge of combustion gases into the atmosphere.

Career Highlights

Throughout his career, Toshio Igarashi has collaborated with notable companies such as Dipsol Chemicals Co., Ltd. and Bridgestone Tire Company Limited. His work in these firms has allowed him to develop practical applications for his inventive ideas, enhancing product efficiency and environmental compliance within the automotive and chemical industries.

Collaborations

Igarashi has worked alongside accomplished professionals like Hideaki Nishio and Akio Takahashi, showcasing the collaborative spirit within the innovative community in Japan. Their partnership has sparked new ideas and led to groundbreaking developments across various projects, further enriching Igarashi’s contributions to technology.

Conclusion

Toshio Igarashi stands out as a prominent inventor whose work reflects a deep understanding of both engineering principles and ecological needs. His inventions, particularly in dust collection and combustion technology, not only push the boundaries of technical capability but also endorse sustainable practices in industrial processes. With continued innovation, Igarashi is poised to leave an enduring impact on both the automotive and environmental sectors.

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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