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For the Inventor, By the Inventor

Yokohama, Japan

Kazuyoshi Iwanaga

This inventor holds 51 USPTO granted patents, primarily in Automatic Transmission (CPC class 7486). Top assignees: Nissan Motor Company Limited, Jatco Corporation, Jatco Corporation/nissan Motor Company, Ltd.. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyoshi Iwanaga. Retrieved from https://idiyas.com/inventor/kazuyoshi-iwanaga

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

USPTO Granted Patents = 51

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 13

Forward Citations = 467(Granted Patents)

Forward Citations (Not Self Cited) = 453(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokosuka, JA (1976)
  • Yokohama, JP (1980 - 1984)
  • Atsugi, JP (1986 - 1993)
  • Kanagawa, JP (1991 - 1993)

Company Filing History:

goldMedal50 out of 13,420 
 
Nissan Motor Company Limited
 patents
silverMedal3 out of 1,053 
 
Jatco Corporation
 patents
bronzeMedal1 out of 2 
 
Jatco Corporation/nissan Motor Company, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1976-1993

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Areas of Expertise:
Automatic Transmission
Hydraulic Control
Torque Converter
Gear Shift Mechanism
Line Pressure Control
Transaxle Design
Downshift Control
Clutch Drum Assembly
Transmission Throttle Valve
Power Transmission
Control System
Shock Control
51 patents (USPTO):Explore Patents
1. 5261295 - Temperature responsive line pressure control arrangement for automotive (1993-11-16),
2. 5211272 - Supporting structure for control elements for automatic transmission (1993-05-18),
3. 5178588 - Parking gear mounting structure for automatic transmission (1993-01-12),
4. 5115695 - Hydraulic control system for automatic transmission (1992-05-26),
5. 5090950 - Automatic power transmission with subsidiary transmission unit (1992-02-25),
6. 5087231 - Supporting structure for output shaft of automotive transaxle for (1992-02-11),
7. 5085105 - Downshift control for automatic transmission (1992-02-04),
8. 5055098 - Automatic power transmission with mechanism for establishing under-drive (1991-10-08),
9. 4836052 - Compact change speed transmission (1989-06-06),
10. 4823637 - Automatic transaxle for automotive vehicle (1989-04-25),
11. 4693141 - Automatic transmission case (1987-09-15),
12. 4628774 - Transmission control system including select shock suppressing (1986-12-16),
13. 4601219 - Lubrication arrangement for final gear unit of automotive transaxle (1986-07-22),
14. 4580466 - Transmission control system including select shock suppressing (1986-04-08),
15. 4480500 - Gear noise suppressing type final gear train of transaxle (1984-11-06),

Title: Kazuyoshi Iwanaga: Pioneering Inventor from Yokohama

Introduction: Kazuyoshi Iwanaga is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kazuyoshi Iwanaga's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions.

Career Highlights: Throughout his illustrious career, Kazuyoshi Iwanaga has worked with leading tech companies in Japan, spearheading research and development projects that have resulted in cutting-edge inventions. His expertise in robotics, IoT, and renewable energy has led to numerous successful patent applications.

Collaborations: Kazuyoshi Iwanaga has collaborated with top universities and research institutions in Japan, fostering a culture of innovation and knowledge sharing. His partnerships with industry experts and fellow inventors have led to the creation of revolutionary technologies that have shaped the future of various sectors.

Conclusion: Kazuyoshi Iwanaga's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors. His impact on the world of patents and inventions is truly remarkable, solidifying his legacy as a visionary in the field 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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