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For the Inventor, By the Inventor

Higashihiroshima, Japan

Fumiaki Baba

This inventor holds 13 USPTO granted patents. Top assignees: Mazda Motor Corporation, Mazada Motor Corporation. Active years: 1988-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumiaki Baba. Retrieved from https://idiyas.com/inventor/fumiaki-baba-7izyuv8r

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 151(Granted Patents)


Location History:

  • Hiroshima, JP (1991 - 1993)
  • Higashihiroshima, JP (1988 - 1994)

Company Filing History:

goldMedal12 out of 4,753 
 
Mazda Motor Corporation
 patents
silverMedal1 out of 10 
 
Mazada Motor Corporation
 patents

Years Active: 1988-1994

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13 patents (USPTO):Explore Patents
1. 5339935 - Control system for torque converter (1994-08-23),
2. 5275069 - Control system for automatic transmission (1994-01-04),
3. 5224399 - Control system for automatic transmission (1993-07-06),
4. 5176046 - Control system for an automatic transmission (1993-01-05),
5. 5121656 - Shift control system for an automatic transmission (1992-06-16),
6. 5091854 - Control systems for vehicle engines coupled with automatic transmissions (1992-02-25),
7. 5063814 - Line pressure control system for automatic transmission (1991-11-12),
8. 5035308 - Lock-up control system for automatic transmission (1991-07-30),
9. 5024125 - Shift control system for an automatic transmission (1991-06-18),
10. 4998449 - Duty solenoid valve control system for an automatic transmission (1991-03-12),
11. 4938100 - Control systems for vehicle engines coupled with automatic transmissions (1990-07-03),
12. 4831900 - System for controlling rate of speed change in automatic transmission (1989-05-23),
13. 4787258 - Control systems for automatic transmissions (1988-11-29),

Title: The Innovative Journey of Fumiaki Baba

Introduction

Fumiaki Baba is a distinguished inventor based in Higashihiroshima, Japan, known for his significant contributions to the field of automotive technology. With a remarkable portfolio of 13 patents, Baba's work focuses primarily on enhancing transmission systems, showcasing his dedication to innovation and engineering excellence.

Latest Patents

Among his latest inventions, Baba has developed a control system for torque converters that significantly improves the efficiency and performance of automatic transmissions. This innovative control system integrates a lock-up clutch, which enables smooth engagement and disengagement between the input and output members of the torque converter. The ingenious design employs a sophisticated shift valve mechanism, utilizing hydraulic pressures to manage the lock-up clutch's engagement without causing abrupt changes in force.

Another noteworthy patent is his shift control system for automatic transmissions. This system features a shift gear mechanism capable of providing multiple speed ratios while navigating the complexities of hydraulic fluid control. Key components, including a timing valve and an oil temperature detecting device, allow for responsive adjustments that prevent torque shocks and optimize engine performance depending on fluid temperatures.

Career Highlights

Fumiaki Baba has made significant strides in the automotive sector, having positively impacted the engineering teams at prominent companies such as Mazda Motor Corporation. His expertise and innovative thinking have paved the way for advances in vehicle transmission systems, contributing to the evolution of modern automotive engineering.

Collaborations

Throughout his career, Baba has collaborated with several respected professionals, including Hiroshi Yoshimura and Takuji Fujiwara. Their combined expertise has led to revolutionary ideas and patents that have propelled the industry forward.

Conclusion

Fumiaki Baba exemplifies the spirit of innovation in the automotive industry. His dedication to creating advanced control systems for torque converters and automatic transmissions has left an indelible mark on automotive engineering. As technology continues to evolve, Baba's contributions will undoubtedly inspire future generations of inventors and engineers.

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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