Kanagawa, Japan

Takumi Shinojima

This inventor holds 13 USPTO granted patents. Top assignees: Isuzu Motors Limited, Honda Motor Co., Ltd., Nsk Corporation. Active years: 1998-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Shinojima. Retrieved from https://idiyas.com/inventor/takumi-shinojima

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

Calculating rank

% Patents Active = 38.5

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 181(Granted Patents)


Location History:

  • Kawasaki, JP (1998)
  • Yokohama, JP (2005)
  • Fujisawa, JP (2003 - 2016)
  • Kanagawa, JP (2007 - 2017)

Company Filing History:


Years Active: 1998-2026

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13 patents (USPTO):Explore Patents

Title: Takumi Shinojima: Innovator in Continuously Variable Transmission Technology

Introduction

Takumi Shinojima is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of continuously variable transmission (CVT) technology, holding a total of 13 patents. His work focuses on enhancing the efficiency and performance of hydraulic devices used in vehicles.

Latest Patents

One of his latest patents is a continuously variable transmission device designed to reduce the time it takes for signals to be sent to solenoid valves. This innovation allows for quicker adjustments of hydraulic pressures within hydraulic pressure chambers. The solenoid valves adjust these pressures by modifying their apertures according to duty cycles. Additionally, he has developed a continuously variable transmission for vehicles that includes a transmission mechanism and a planetary gear mechanism. This CVT can operate in a predetermined mode and specifies vehicle speed based on various factors, including rotation speed and vehicle weight.

Career Highlights

Throughout his career, Takumi Shinojima has worked with notable companies such as Isuzu Motors Limited and Honda Motor Co., Ltd. His experience in these leading automotive firms has allowed him to refine his expertise in transmission technology and contribute to advancements in the industry.

Collaborations

He has collaborated with esteemed colleagues, including Eiji Inoue and Hiromasa Nakamura, to further innovate in the field of automotive engineering.

Conclusion

Takumi Shinojima's contributions to continuously variable transmission technology have made a lasting impact on the automotive industry. His innovative patents and collaborations highlight his dedication to improving vehicle performance and efficiency.

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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