Hyogo, Japan

Toshiyuki Hasegawa

This inventor holds 47 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Vehicle Transmission Systems. Top assignees: Kanzaki Kokyukoki Mfg. Co., Ltd., Tuff Torq Corporation, Other. Active years: 1991-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Hasegawa. Retrieved from https://idiyas.com/inventor/toshiyuki-hasegawa

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

Calculating rank
USPTO Granted Patents = 47 

% Patents Active = 53.2

 

Average Co-Inventor Count = 2.3

ph-index = 17

Forward Citations = 687(Granted Patents)


Location History:

  • Ashiya, JP (1991 - 1996)
  • Amagasaki-shi, Hyogo, JP (2005)
  • Amagasaki-shi, JP (2006)
  • Morristown, TN (US) (2001 - 2008)
  • Amagasaki, JP (1996 - 2011)
  • Hyogo, JP (2003 - 2012)

Company Filing History:


Years Active: 1991-2012

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Areas of Expertise:
Differential System
Vehicle Transmission
Speed Change System
Transaxle
PTO Transmission
Frame Structure
Working Vehicle
Power Transmission
Hydrostatic Transmission
Multi-Wheel Drive
Reduction Gear
Steering Improvement
47 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Toshiyuki Hasegawa in Vehicle Technology**

Introduction

Toshiyuki Hasegawa, an accomplished inventor based in Hyogo, Japan, has made significant strides in the field of vehicle technology with a notable portfolio of 47 patents. His inventions showcase innovative solutions aimed at improving vehicle performance and efficiency.

Latest Patents

Among his latest patents, Hasegawa has developed a **differential system** that features a unique power take-off support portion within a transaxle housing. This innovation optimizes the orientation of the power take-off shaft, facilitating better integration with the vehicle's power systems. Another remarkable patent is his design for a **frame structure of a vehicle**, which intricately connects the flywheel housing, intermediate housing, and transmission case. This structure is designed to maintain the vehicle's integrity while accommodating essential components such as the forward/rearward movement switching unit.

Career Highlights

Hasegawa's career includes significant contributions while working at Kanzaki Kokyukoki Manufacturing Co., Ltd., where he honed his skills in vehicle technology. His extensive experience within the industry has enabled him to develop groundbreaking inventions that enhance vehicle frameworks and performance.

Collaborations

Throughout his career, Toshiyuki Hasegawa has collaborated with notable colleagues, including Norihiro Ishii and Keith Johnson Andrews. These partnerships have played a crucial role in the development and successful implementation of his innovative designs.

Conclusion

With 47 patents to his name and a wealth of experience in vehicle technology, Toshiyuki Hasegawa stands out as a pivotal figure in the advancement of automotive innovations. His commitment to enhancing vehicle performance through inventive designs reflects his significant contributions to the industry.

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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