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For the Inventor, By the Inventor

Osaka, Japan

Hitoshi Adachi

This inventor holds 16 USPTO granted patents and 1 EPO patent, primarily in Internal Combustion Engines. Top assignees: Yanmar Co., Ltd., Matsushita Electric Industrial Co., Ltd.. Active years: 1999-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Adachi. Retrieved from https://idiyas.com/inventor/hitoshi-adachi

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

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 18.8

 

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 53(Granted Patents)


Location History:

  • Ibaraki, JP (2000)
  • Osaka, JP (1999 - 2016)

Company Filing History:

goldMedal14 out of 651 
 
Yanmar Co., Ltd.
 patents
silverMedal2 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1999-2016

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Areas of Expertise:
Diesel Engine
Fuel Control
Injection Apparatus
Engine RPM Control
Multi-Cylinder Engine
Pressure Accumulation
Crank Angle Identification
Noise Suppression
16 patents (USPTO):Explore Patents
1. 9328683 - Electronically controlled diesel engine (2016-05-03),
2. 8712671 - Engine RPM control device (2014-04-29),
3. 8494752 - Engine (2013-07-23),
4. 8126638 - Engine (2012-02-28),
5. 8096286 - Method of controlling internal combustion engine (2012-01-17),
6. 7784281 - Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device (2010-08-31),
7. 7753030 - Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus (2010-07-13),
8. 7707995 - Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device (2010-05-04),
9. 7661411 - Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device (2010-02-16),
10. 7540275 - Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus (2009-06-02),
11. 7500471 - Pressure accumulation-type fuel injection device and internal combustion engine provided with this pressure accumulation-type fuel injection device (2009-03-10),
12. 7467039 - Revolution control apparatus for an internal combustion engine, and internal combustion engine provided with that revolution control apparatus (2008-12-16),
13. 7267106 - Fuel pressure detector for common rail type fuel injection apparatus, and common rail type fuel injection apparatus equipped with the fuel pressure detector (2007-09-11),
14. 7013719 - Device for identifying crank angle of engine (2006-03-21),
15. 6023305 - Primary color video signal output circuit (2000-02-08),

Title: The Innovative Contributions of Hitoshi Adachi

Introduction

Hitoshi Adachi is a renowned inventor based in Osaka, Japan, recognized for his significant contributions to the field of engineering. With a remarkable record of 16 patents, Adachi has consistently pushed the boundaries of innovation, particularly in the development of advanced engine control technologies.

Latest Patents

Adachi's latest patents include groundbreaking technologies such as an electronically controlled diesel engine and an engine RPM control device. The electronically controlled diesel engine aims to inhibit drastic increases in fuel injection quantities before acceleration without relying on complex measurements. This system includes a judge part that assesses acceleration based on the difference between the target and actual engine revolutions. Furthermore, it features a calculating part that establishes a third upper limit for fuel injection quantity, ensuring optimized performance in low-speed areas.

The engine RPM control device is another innovative creation by Adachi, designed to gradually reduce the output speed of an engine drive object when the engine RPM is decreased. This device incorporates a target engine RPM correction system that adjusts target RPMs while maintaining the output speed reduction ratio at a predetermined level, particularly in the event of engine failures.

Career Highlights

Throughout his career, Hitoshi Adachi has worked with reputable companies, including Yanmar Co., Ltd. and Matsushita Electric Industrial Co., Ltd. His tenure in these organizations has significantly influenced the development of efficient engine technologies, further establishing his reputation as a key innovator in the industry.

Collaborations

Adachi's work has also been enhanced through collaborations with talented individuals such as Tomohiro Otani and Hideo Shiomi. Their collective expertise has fostered an environment of innovation, contributing to the successful development of new technologies.

Conclusion

With 16 patents to his name, Hitoshi Adachi continues to be a pivotal figure in engineering and innovation, particularly in the realm of engine control technologies. His persistent dedication to enhancing fuel efficiency and engine performance reflects the spirit of progress that drives the field of engineering forward.

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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