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For the Inventor, By the Inventor

Kanagawa, Japan

Hitoshi Ishii

This inventor holds 31 USPTO granted patents and 2 published patent applications and 8 EPO patents, primarily in Internal Combustion Engines. Top assignees: Nissan Motor Company Limited, Henkel Corporation, Henkel Ag & Company, Kgaa. Active years: 1991-2024.

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

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 = 64.5

 

Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 123(Granted Patents)


Location History:

  • Narusega-Oka, Machida-shi, Tokyo, JP (1992)
  • Hiratsuka, JP (1993 - 2001)
  • Yokosuka, JP (2005 - 2006)
  • Kanagawa-Ken, JP (1997 - 2009)
  • Tokyo, JP (2016)
  • Kanagawa, JP (1991 - 2024)

Company Filing History:

goldMedal15 out of 13,420 
 
Nissan Motor Company Limited
 patents
silverMedal6 out of 1,087 
 
Henkel Corporation
 patents
bronzeMedal3 out of 4,538 
 
Henkel Ag & Company, Kgaa
 patents
4. 3 out of 128 
 
Nihon Parkerizing Co., Ltd.
 patents
5. 2 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
6. 1 out of 61 
 
National Institute of Radiological Sciences
 patents
7. 1 out of 254 
 
Seiko Precision Inc.
 patents
8. 1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1991-2024

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Areas of Expertise:
Internal Combustion Engine
Semiconductor Storage Device
Lubricating Coating Agent
Chemical Conversion Treatment
Metallic Material
Direct Fuel Injection
Exhaust Emission Control
Surface Treatment
Acoustic Playback
Zinc Phosphate Coating
Cationic Electrodeposition
Start-Up Control
31 patents (USPTO):Explore Patents
1. 11913400 - Abnormality diagnostic method for internal combustion engine and abnormality diagnostic device for internal combustion engine (2024-02-27),
2. 9487732 - Lubricating coating agent for plastic working and method for producing the same (2016-11-08),
3. 9165870 - Semiconductor storage device and manufacturing method thereof (2015-10-20),
4. 9039882 - Metal material with a bismuth film attached and method for producing same, surface treatment liquid used in said method, and cationic electrodeposition coated metal material and method for producing same (2015-05-26),
5. 8535456 - Chemical conversion treatment solution for a steel material and chemical conversion treatment method (2013-09-17),
6. 8318256 - Metallic material and method of manufacturing the same (2012-11-27),
7. 8314478 - Semiconductor memory device and manufacturing the same (2012-11-20),
8. 7958720 - Combustion control apparatus for direct-injection spark-ignition internal combustion engine (2011-06-14),
9. 7593556 - Sample picture data processing method and sample inspection system and method (2009-09-22),
10. 7350504 - Control apparatus and method for inner cylinder direct injection spark ignited internal combustion engine (2008-04-01),
11. 7194999 - Combustion control apparatus for direct-injection spark-ignition internal combustion engine (2007-03-27),
12. 7134421 - Direct fuel injection spark ignition internal combustion engine (2006-11-14),
13. 7117666 - Direct fuel injection/spark ignition engine control device (2006-10-10),
14. 7104249 - Direct fuel injection/spark ignition engine control device (2006-09-12),
15. 7047945 - Start-up control of in-cylinder fuel injection internal combustion engine (2006-05-23),

Title: Hitoshi Ishii: Pioneering Inventor from Kanagawa

Introduction: Hitoshi Ishii is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hitoshi Ishii holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With over two decades of experience in the tech industry, Hitoshi Ishii has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized the way we interact with technology.

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

Conclusion: Hitoshi Ishii's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future of technology.

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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