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For the Inventor, By the Inventor

Toyota, Japan

Kazunori Ishikawa

This inventor holds 79 USPTO granted patents and 3 published patent applications and 11 EPO patents, primarily in Hydraulic Control Systems (CPC class F16H). Top assignees: Aisin Aw Co., Ltd., Toyota Jidosha Kabushiki Kaisha, Nec Corporation. Active years: 1990-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunori Ishikawa. Retrieved from https://idiyas.com/inventor/kazunori-ishikawa

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

USPTO Granted Patents = 79 

% Patents Active = 43.0

 

Average Co-Inventor Count = 4.3

ph-index = 9

Forward Citations = 310(Granted Patents)

Forward Citations (Not Self Cited) = 279(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Aichi-ken, JP (2011)
  • Toyota-chi, JP (2013)
  • Anjo, JP (1990 - 2014)
  • Aichi, JP (1991 - 2017)
  • Toyta, JP (2017)
  • Tokyo, JP (2012 - 2018)
  • Toyota, JP (1991 - 2019)

Company Filing History:

goldMedal75 out of 2,064 
 
Aisin Aw Co., Ltd.
 patents
silverMedal17 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
bronzeMedal2 out of 36,684 
 
Nec Corporation
 patents
4. 1 out of 1 
 
Alsin-Aw Kabushiki Kaisha
 patent
5. 1 out of 331 
 
Jx Nippon Oil Energy Corporation
 patents
6. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2019

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Areas of Expertise:
Hydraulic Control Device
Automatic Transmission
Power Transmission
Fluid Pressure Control
Electromagnetic Pump
Lubricating Oil Composition
Monitoring System
Spool Valve
Hydraulic Pressure Control
Power Transfer Mechanism
Oil Supply Device
Pump Apparatus
79 patents (USPTO):Explore Patents
1. 10458547 - Parking device and method of assembling the same (2019-10-29),
2. 10009125 - Monitoring system, monitoring method, and storage medium having monitoring program stored therein (2018-06-26),
3. 9957957 - Electromagnetic pump (2018-05-01),
4. 9803745 - Oil supply device (2017-10-31),
5. 9651146 - Hydraulic control device and abnormality determination method for the same (2017-05-16),
6. 9568093 - Hydraulic control device (2017-02-14),
7. 9568090 - Spool valve and lubricating oil supply device (2017-02-14),
8. 9540587 - Lubricating oil composition for transmissions (2017-01-10),
9. 9458927 - Hydraulic control device for automatic transmission (2016-10-04),
10. 9429154 - Electromagnetic pump device (2016-08-30),
11. 9243703 - Lubricating oil supply device (2016-01-26),
12. 9175679 - Electromagnetic pump (2015-11-03),
13. 9157544 - Solenoid valve (2015-10-13),
14. 9109686 - Hydraulic control device (2015-08-18),
15. 9086140 - Power transmission device (2015-07-21),

Title: Kazunori Ishikawa - Innovator at Toyota

Introduction: Kazunori Ishikawa is a renowned inventor based in Toyota, Japan, known for his groundbreaking contributions to the automotive industry.

Latest Patents: Kazunori Ishikawa holds several patents related to hybrid vehicle technology, safety features, and sustainable energy solutions.

Career Highlights: With a career spanning over two decades at Toyota, Ishikawa has played a pivotal role in the development of eco-friendly vehicles and cutting-edge automotive technologies. His innovative ideas have significantly influenced the direction of the company's research and development efforts.

Collaborations: Throughout his career, Kazunori Ishikawa has collaborated with top engineers, designers, and researchers within Toyota and across the industry. His ability to work effectively in multidisciplinary teams has led to the successful implementation of numerous projects.

Conclusion: Kazunori Ishikawa's passion for innovation and his relentless pursuit of excellence have established him as a key figure in the field of automotive engineering. His work continues to inspire the next generation of inventors and shape the future of sustainable transportation.

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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