Hitachinaka, Japan

Seiji Asano

This inventor holds 31 USPTO granted patents and 3 published patent applications and 4 EPO patents, primarily in Internal Combustion Engines. Top assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd., Hitachi Automotive Engineering Co., Ltd.. Active years: 1990-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Asano. Retrieved from https://idiyas.com/inventor/seiji-asano

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

USPTO Granted Patents = 31 

% Patents Active = 67.7

 

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 380(Granted Patents)


Location History:

  • Omiya-shi, Saitama, JP (1990)
  • Matsuta, JP (1992)
  • Katsuta, JP (1993 - 1998)
  • Tokyo, JP (2005)
  • Hitachinaka, JP (1996 - 2021)
  • Ibaraki, JP (2021)

Company Filing History:


Years Active: 1990-2021

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Areas of Expertise:
Internal Combustion Engine
Fuel Control Device
Air-Fuel Ratio
Engine Control System
Exhaust Gas Purification
Lean Burn Control
Flow Control Equipment
Engine Controller
Catalyst Efficiency
Control Method
Vehicle-Mounted Control
Communication System
31 patents (USPTO):Explore Patents

Title: Seiji Asano: Innovator in Internal Combustion Engine Control

Introduction

Seiji Asano, located in Hitachinaka, Japan, is a notable inventor with a considerable portfolio of 31 patents. His work primarily focuses on advancements in internal combustion engine technology, showcasing innovative solutions aimed at improving engine performance and efficiency.

Latest Patents

Among his latest patents, Asano has developed a "Knocking Detection Apparatus" and an "Internal Combustion Engine Control Apparatus." The knocking detection apparatus enhances the accuracy of knocking detection during various operating conditions by estimating background levels based on the internal combustion engine's state. This innovation significantly reduces the instances of erroneous determination during engine transitions.

Additionally, his control device is designed to compute the intake pipe pressure of an engine by measuring the humidity of the intake air. This invention corrects changes in gas constants resulting from varying moles of air, thereby improving the accuracy of pressure calculations in the engine's intake manifold.

Career Highlights

Seiji Asano has made substantial contributions while working at notable organizations such as Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. His experience in these reputable companies has significantly influenced his approach to innovation in engine control technology.

Collaborations

Throughout his career, Asano has collaborated with talented coworkers, including Kunihiko Suzuki and Yoshihiko Akagi. These partnerships have fostered an environment of creativity and driven the development of important technological advancements.

Conclusion

Seiji Asano's contributions to the field of internal combustion engine technology underscore his ingenuity and commitment to innovation. His patents play a crucial role in enhancing engine efficiency and performance, reflecting the ongoing evolution within the automotive industry. Asano's ongoing work continues to pave the way for future advancements in engine control systems.

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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