Shizuoka, Japan

Takashi Murasugi

This inventor holds 26 USPTO granted patents, primarily in Automatic Transmission Control. Top assignees: Nissan Motor Company Limited, Jatco Corporation, Jatco Transtechnology Ltd.. Active years: 1985-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Murasugi. Retrieved from https://idiyas.com/inventor/takashi-murasugi

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

Calculating rank

% Patents Active = 88.5

Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 283(Granted Patents)


Location History:

  • Yokosuka, JP (1985)
  • Yokohama, JP (1985 - 1990)
  • Ebina, JP (1996 - 1998)
  • Shizuoka, JP (1999 - 2005)
  • Fuji, JP (2001 - 2005)

Company Filing History:


Years Active: 1985-2005

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Areas of Expertise:
Automatic Transmission
Shift Control
Hydraulic Control
Torque Converter
Anti-Creep Control
Vibration Damping
Clutch Slip Control
Torsional Damper
Control System
Fuel Cut-Off
Lock-Up Control
Vehicle Engineering
26 patents (USPTO):Explore Patents

Title: Takashi Murasugi: A Pioneer in Automatic Transmission Technologies

Introduction

Takashi Murasugi, based in Shizuoka, Japan, is a prominent inventor in the field of automatic transmission systems. With an impressive portfolio of 26 patents, Murasugi has contributed significantly to innovations that enhance vehicle performance and efficiency.

Latest Patents

Among his latest patents are groundbreaking systems and methods for controlling automatic transmissions. One notable invention is a system for controlling an automatic transmission that utilizes an ECU to conduct shift changeover control. This technology allows for the release of a second engaging element and engagement of a first engaging element based on torque signal analysis before a shift occurrence. Another significant patent entails a shift control system that employs shelf-pressure control mechanisms to adjust engagement pressure during the inertia phase following a shift command, ensuring optimal performance even amidst throttle variations.

Career Highlights

Murasugi's career includes key roles at notable automotive companies, including Nissan Motor Company Limited and Jatco Corporation. His expertise in transmission systems has positioned him as a valuable asset in the industry, paving the way for advancements in vehicle transmission technology.

Collaborations

Throughout his career, Murasugi has collaborated with distinguished professionals, including Masaaki Suga and Yoshiro Morimoto. Their collective efforts have driven innovative solutions in automatic transmission systems, reflecting a team commitment to engineering excellence.

Conclusion

Takashi Murasugi's contributions to automotive technology through his extensive patent portfolio exemplify his dedication to innovation in automatic transmissions. His work continues to influence the automotive industry, promoting advancements that enhance vehicle operation and driver experience.

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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