logo

For the Inventor, By the Inventor

Yokohama, Japan

Hiroyuki Itoyama

This inventor holds 40 USPTO granted patents and 6 EPO patents, primarily in Internal Combustion Engine Control. Top assignee: Nissan Motor Company Limited. Active years: 1992-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Itoyama. Retrieved from https://idiyas.com/inventor/hiroyuki-itoyama

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

USPTO Granted Patents = 40

% Patents Active = 90.0

 

Average Co-Inventor Count = 2.2

ph-index = 15

Forward Citations = 717(Granted Patents)


Location History:

  • Kanagawa, JP (1992)
  • Yokosuka, JP (1994 - 2001)
  • Kanagawa-ken, JP (2000 - 2001)
  • Yokohama, JP (1992 - 2017)

Company Filing History:

goldMedal40 out of 13,420 
 
Nissan Motor Company Limited
 patents

Years Active: 1992-2017

Loading Chart...
Loading Chart...
Areas of Expertise:
Internal Combustion Engine
Variable Valve Timing
Fuel Injection Control
Engine Control System
Diesel Engine Control
Hybrid Vehicle Control
Exhaust Gas Purification
Engine Startup Control
Air-Fuel Ratio Control
Engine Boost Pressure
Emission Control Systems
Torque Control
40 patents (USPTO):Explore Patents
1. 9708986 - Method and apparatus for controlling start-up of internal combustion engine (2017-07-18),
2. 9267398 - Variable valve timing control device of internal combustion engine (2016-02-23),
3. 9157379 - Variable valve timing control device for internal combustion engine (2015-10-13),
4. 9133811 - Method and apparatus for controlling start-up of internal combustion engine (2015-09-15),
5. 9051855 - Engine valve timing control apparatus (2015-06-09),
6. 7305828 - Engine boost pressure control (2007-12-11),
7. 7107978 - Engine control system (2006-09-19),
8. 6990802 - Apparatus and method for regenerating particulate filter that removes particulates out of exhaust gas for internal combustion engine (2006-01-31),
9. 6962045 - Exhaust gas apparatus and method for purifying exhaust gas in internal combustion engine (2005-11-08),
10. 6917873 - Control of multiple supercharged compression ignition engines having EGR (2005-07-12),
11. 6729303 - Diesel engine control (2004-05-04),
12. 6705303 - Air-fuel ratio control apparatus and method for internal combustion engine (2004-03-16),
13. 6701244 - Excess air factor control device for internal combustion engine (2004-03-02),
14. 6687598 - Method and system for controlling an engine with enhanced torque control (2004-02-03),
15. 6681744 - Fuel injection control device for a diesel engine (2004-01-27),

Title: Hiroyuki Itoyama - Innovative Inventor from Yokohama

Introduction: Hiroyuki Itoyama is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroyuki Itoyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Hiroyuki Itoyama has worked with leading research institutions and tech companies, consistently pushing the boundaries of innovation. His inventions have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Hiroyuki Itoyama has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in his projects.

Conclusion: Hiroyuki Itoyama's passion for innovation and his dedication to creating impactful solutions have solidified his reputation as a visionary inventor in the global tech community.

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…