Hitachinaka, Japan

Teruhiko Minegishi

This inventor holds 19 USPTO granted patents and 1 EPO patent, primarily in Internal Combustion Engines. Top assignees: Hitachi, Ltd., Hitachi Automotive Engineering Co., Ltd., Hitachi Car Engineering Co., Ltd.. Active years: 1993-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teruhiko Minegishi. Retrieved from https://idiyas.com/inventor/teruhiko-minegishi

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

Calculating rank

% Patents Active = 78.9


Average Co-Inventor Count = 4.2

ph-index = 9

Forward Citations = 208(Granted Patents)


Location History:

  • Katsuta, JP (1993 - 2000)
  • Ibaraki, JP (2001)
  • Hitachinaka, JP (1996 - 2007)

Company Filing History:


Years Active: 1993-2007

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Areas of Expertise:
Exhaust Gas Recirculation
Throttle System
Air Intake Apparatus
Electronic EGR Control
Intake Module
Rotary Valve Assembly
Suction Structure
Throttle Actuator
Induction System
Wiring Module
Control Module
19 patents (USPTO):Explore Patents

Title: The Innovations of Teruhiko Minegishi

Introduction

Teruhiko Minegishi is a prominent inventor based in Hitachinaka, Japan, known for his significant contributions to the field of internal combustion engine technology. With a remarkable portfolio of 19 patents, he has demonstrated extensive expertise and innovative thinking throughout his career.

Latest Patents

One of Minegishi's latest inventions is the exhaust gas recirculation device for internal combustion engines. This invention aims to enhance response speed and accuracy in exhaust gas recirculation flow control. It includes a recirculation gas control valve for regulating flow rates in exhaust gas recirculation passages, along with an air intake control valve that manages the flow rate in the engine's intake passage. Together with intake airflow and recirculation flow sensors, this innovative device allows for efficient feedback control of the engine's air and exhaust systems.

Another significant patent is the electronic EGR gas control system. This system features a curved passage integrated within a suction passage downstream of an electronic control throttle valve. The design includes a butterfly control valve, which is driven by a motor through a reduction gear mechanism. The control system utilizes feedback from sensors to monitor the control valve opening and exhaust gas flow, ensuring precise regulation based on real-time data.

Career Highlights

Minegishi has had an illustrious career, working at reputable companies such as Hitachi, Ltd., and Hitachi Automotive Engineering Co., Ltd. His experience at these organizations has shaped his innovative approaches and solidified his reputation as a leader in automotive engineering.

Collaborations

Throughout his career, Minegishi has collaborated with talented professionals, including Yasushi Sasaki and Yuzo Kadomukai. These partnerships have fostered a rich environment for creativity and technological advancement, ultimately contributing to the success of their joint projects and innovations.

Conclusion

Teruhiko Minegishi is a distinguished inventor whose work in the field of internal combustion engines continues to influence modern automotive technology. His innovative patents, collaborative spirit, and dedication to his craft have established him as a pivotal figure in the industry, making significant advancements that pave the way for future innovations.

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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