Utsunomiya, Japan

Tomoo Shimokawa

This inventor holds 5 USPTO granted patents. Top assignee: Keihin Corporation. Active years: 2004-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoo Shimokawa. Retrieved from https://idiyas.com/inventor/tomoo-shimokawa

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


Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Kawasaki, JP (2004)
  • Yokohama, JP (2007)
  • Shioya-gun, JP (2008)
  • Utsunomiya, JP (2007 - 2011)

Company Filing History:


Years Active: 2004-2011

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Tomoo Shimokawa: Innovator in Engine Control Technologies

Introduction

Tomoo Shimokawa is a prominent inventor based in Utsunomiya, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 5 patents. His work focuses on enhancing engine performance and efficiency through innovative control systems.

Latest Patents

One of Shimokawa's latest patents is a control apparatus for an internal combustion engine. This apparatus includes a fuel injection unit, an ignition unit, a crank angle detection unit, a fuel pump, a booster unit, an ignition discharge unit, and a control unit. The control unit manages the fuel injection, ignition, and fuel pump operations, determining ignition timings based on crank signals from the crank angle detection unit. It also executes a startup control sequence that encompasses fuel injection processing, voltage boosting processing, ignition processing, and fuel supply processing.

Another notable patent is the acceleration/deceleration detection device and method for four-cycle engines. This device compares the intake manifold pressure at a specific crankshaft angle with the pressure at 720 degrees before that angle. If the difference between these pressures meets a predetermined value and the former is higher, the device concludes that the engine is in an acceleration state. This innovative approach allows for engine acceleration detection without relying on a throttle valve opening sensor.

Career Highlights

Tomoo Shimokawa is currently employed at Keihin Corporation, where he continues to develop advanced technologies for internal combustion engines. His expertise in engine control systems has positioned him as a key figure in the automotive industry.

Collaborations

Throughout his career, Shimokawa has collaborated with talented individuals such as Takashi Namari and Satoshi Chida. These partnerships have fostered innovation and contributed to the success of various projects within the company.

Conclusion

Tomoo Shimokawa's contributions to engine control technology exemplify his dedication to innovation in the automotive field. His patents reflect a commitment to improving engine performance and efficiency, making him a notable inventor in his 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]
Loading…