Tokyo, Japan

Kazuhiro Oryoji

This inventor holds 24 USPTO granted patents and 8 published patent applications and 8 EPO patents, primarily in Internal Combustion Engine Control. Top assignees: Hitachi Automotive Systems, Ltd., Hitachi Astemo Ltd.. Active years: 2019-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Oryoji. Retrieved from https://idiyas.com/inventor/kazuhiro-oryoji

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

Calculating rank
USPTO Granted Patents = 24 

% Patents Active = 83.3

 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2020)
  • Tokyo, JP (2019 - 2024)

Company Filing History:


Years Active: 2019-2026

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Areas of Expertise:
Control Device
Internal Combustion Engine
Hybrid Electric Vehicles
Exhaust Gas Purification
Fuel Injection
Engine Control System
Predictive Control
In-Vehicle Control
24 patents (USPTO):Explore Patents

Title: Kazuhiro Oryoji: Innovator in Internal Combustion Engine Technology

Introduction

Kazuhiro Oryoji is a prominent inventor based in Tokyo, Japan, holding an impressive 21 patents to his name. His work focuses primarily on innovations in internal combustion engine technology, where he has made significant contributions to enhancing the efficiency and performance of these engines.

Latest Patents

Among Oryoji's most recent patents is a sophisticated control device for internal combustion engines. This device is designed to optimize engine operation when achieving a dilution close to the operational limit. The innovation features a processor (CPU) that calculates the change in parameters indicating the combustion state and adjusts the actuator's operations, such as the EGR valve, to meet target values for optimal combustion.

Another notable patent involves an internal combustion engine control device that incorporates an engine state estimation unit, a wall surface temperature estimation unit, and an operation amount calculation unit. This system innovatively calculates energy transfer from gas to wall surfaces based on various operational parameters and uses this information to determine the appropriate actuator operation amounts, thus enhancing overall engine efficiency.

Career Highlights

Kazuhiro Oryoji has garnered a wealth of experience working with leading companies in the automotive sector, including Hitachi Automotive Systems and Hitachi Astemo. His roles have allowed him to apply his innovative ideas in practical settings, leading to advancements in engine control systems.

Collaborations

Throughout his career, Oryoji has collaborated with esteemed professionals in the field, including Yoshihiko Akagi and Masayuki Saruwatari. These collaborations have further fueled innovation and development within the automotive engineering sector.

Conclusion

Kazuhiro Oryoji's contributions to internal combustion engine technology through his extensive patent portfolio demonstrate his commitment to innovation and excellence. His work continues to influence the automotive industry, promoting advancements that improve the efficiency and performance of internal combustion engines.

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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