Saitama, Japan

Yohji Kurotobi

This inventor holds 4 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1987-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yohji Kurotobi. Retrieved from https://idiyas.com/inventor/yohji-kurotobi

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 = 1.8

ph-index = 4

Forward Citations = 61(Granted Patents)


Location History:

  • Asaka, JP (1987)
  • Saitama, JP (1988 - 1989)

Company Filing History:


Years Active: 1987-1989

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4 patents (USPTO):Explore Patents

Title: The Innovations of Yohji Kurotobi

Introduction

Yohji Kurotobi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of engineering, particularly in the automotive sector. With a total of 4 patents to his name, Kurotobi's work focuses on enhancing the functionality and efficiency of automotive components.

Latest Patents

Kurotobi's latest patents include innovative designs that address specific challenges in automotive engineering. One of his notable inventions is a silencer with a side branch. This silencer features an air passage tube with an air inlet for introducing air, along with a side branch tube designed to attenuate noise. The side branch tube can be flexible, allowing for convenient installation in various spaces. Additionally, it includes a water drain hole to manage moisture effectively.

Another significant patent is the attachment device for an air cleaner case in engines. This device allows for easy installation and removal of the air cleaner case, even in confined spaces. It consists of upper and lower attachment arms that are detachably coupled to seats on the intake manifold. This design facilitates maintenance and servicing, making it a practical solution for automotive engineers.

Career Highlights

Kurotobi is currently employed at Honda Giken Kogyo Kabushiki Kaisha, a leading automotive manufacturer. His work at Honda has allowed him to apply his innovative ideas in a practical setting, contributing to the company's reputation for quality and performance.

Collaborations

Throughout his career, Kurotobi has collaborated with talented individuals such as Akinobu Takagi and Toshio Ohishi. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Yohji Kurotobi's contributions to automotive engineering through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the industry, paving the way for future advancements in automotive technology.

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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