Saitama, Japan

Ryohei Yamagishi

This inventor holds 4 USPTO granted patents. Top assignee: Honda Motor Co., Ltd.. Active years: 2018-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryohei Yamagishi. Retrieved from https://idiyas.com/inventor/ryohei-yamagishi

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

Calculating rank

% Patents Active = 75.0

Average Co-Inventor Count = 2.7

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Saitama, JP (2018 - 2020)
  • Wako, JP (2020)

Company Filing History:


Years Active: 2018-2020

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4 patents (USPTO):Explore Patents

Title: Ryohei Yamagishi: Innovator in Automatic Transmission Technology

Introduction

Ryohei Yamagishi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of automatic transmission technology, holding a total of 4 patents. His work focuses on improving the responsiveness and efficiency of automatic transmission systems.

Latest Patents

Yamagishi's latest patents include innovative designs for automatic transmissions. One of his patents describes an automatic transmission that enhances responsiveness, allowing for reverse movement. This system initiates a parking lock release control when switching from a parking range to a reverse range. It utilizes hydraulic pressure to manage clutches and brakes, ensuring a smooth transition into reverse. Another patent outlines a mechanism for smoothly switching a two-way clutch from a fixed state to a reverse rotation prevention state, based on input and friction torque measurements.

Career Highlights

Ryohei Yamagishi is currently employed at Honda Motor Co., Ltd., where he continues to develop advanced automotive technologies. His expertise in automatic transmission systems has positioned him as a key player in the automotive engineering field.

Collaborations

Yamagishi collaborates with talented coworkers, including Yuya Tachibanada and Yutaka Ishikawa. Together, they work on innovative projects that push the boundaries of automotive technology.

Conclusion

Ryohei Yamagishi's contributions to automatic transmission technology reflect his dedication to innovation and engineering excellence. His patents demonstrate a commitment to enhancing vehicle performance and safety.

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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