Toyota, Japan

Hiroomi Toi

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2010-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroomi Toi. Retrieved from https://idiyas.com/inventor/hiroomi-toi

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

USPTO Granted Patents = 2 

 

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2010-2013

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2 patents (USPTO):Explore Patents

Title: **The Innovative Mind of Hiroomi Toi**

Introduction

Hiroomi Toi is a notable inventor based in Toyota, Japan, recognized for his contributions to automotive technology. With a portfolio of two patents, Toi's inventive spirit has propelled advancements in the workings of automatic transmissions. His work, particularly at Toyota Motor Corporation, reflects the commitment to innovation within the automotive industry.

Latest Patents

Toi's latest patents include significant innovations that enhance the functionality of automotive transmission systems. The first patent is an **Oil Pump Mounting Structure**, designed for integrating a separate shaft type oil pump within the transmission case. This invention allows the oil pump, which is crucial for supplying hydraulic oil to the transmission's oil pressure control mechanism, to operate efficiently with a spacer coupler that creates a reliable connection between the pump and the transmission case.

The second patent focuses on an **Automatic Gear Control Device** for automatic transmissions. This control apparatus effectively manages the driving state by sensing power-on downshifts and adjusting the motive power source accordingly. It monitors input rotational speeds and ensures a smooth transition during gear shifts, enhancing the driving experience.

Career Highlights

Hiroomi Toi has spent his career at Toyota, where he has made substantial contributions to automotive engineering. His expertise in designing components that improve transmission efficiency showcases his dedication to enhancing vehicle performance. His patents underline the importance of innovative solutions in modern automotive design, further establishing him as a key figure in the industry.

Collaborations

Toi has worked alongside talented colleagues such as Koji Hattori and Ayuma Sagawa. This collaboration has fostered an environment of creativity and excellence, enabling the team to combine their skills and expertise to develop cutting-edge solutions for the challenges faced in automotive engineering.

Conclusion

In conclusion, Hiroomi Toi's work exemplifies the spirit of innovation in the automotive sector. His patents not only contribute to the ongoing advancement of transmission technology but also reflect the collaborative efforts of dedicated professionals. As the automotive industry continues to evolve, inventors like Toi play a critical role in shaping the future of transportation.

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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