Keiichiro Banzai

This inventor holds 30 USPTO granted patents, primarily in Electric Vehicle Technology. Top assignees: Nippondenso Co., Ltd., Denso Corporation. Active years: 1981-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichiro Banzai. Retrieved from https://idiyas.com/inventor/keiichiro-banzai

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

Calculating rank

USPTO Granted Patents = 30

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 19

Forward Citations = 1,161(Granted Patents)

Location History:

Toyota all of, JP (1982)
Toyota, JP (1981 - 2004)

Company Filing History:

20 out of 3,252

Nippondenso Co., Ltd.

Years Active: 1981-2004

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Areas of Expertise:

Electric Vehicles

Hybrid Vehicle Control

Battery Cooling System

Synchronous Electric Machine

Power Source Control

Generator Control

Air Conditioning Apparatus

Voltage Regulator

Driving Apparatus

Tandem Alternator

Charging System

Slip Control System

30 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE38464 - Alternating current generator having a plurality of independent three-phase windings (2004-03-16),

2. 6590312 - Rotary electric machine having a permanent magnet stator and permanent magnet rotor (2003-07-08),

3. 6401849 - Driving apparatus for a vehicle (2002-06-11),

4. 6269290 - Engine-motor hybrid vehicle control apparatus and method having engine performance Lessening compensation (2001-07-31),

5. 6106972 - Battery cooling system (2000-08-22),

6. 6047770 - Air conditioning apparatus for vehicle (2000-04-11),

7. 6018694 - Controller for hybrid vehicle (2000-01-25),

8. 5955807 - Synchronous electric machine having auxiliary permanent magnet (1999-09-21),

9. 5917248 - System and method for driving electric vehicle (1999-06-29),

10. 5878589 - Vehicular air conditioning system for electric vehicles (1999-03-09),

11. 5789881 - Power source control apparatus for hybrid vehicles (1998-08-04),

12. 5778997 - Method and device for controlling generator for hybrid vehicle (1998-07-14),

13. 5744895 - System for driving electric vehicles (1998-04-28),

14. 5633577 - Battery charging system for electric vehicles (1997-05-27),

15. 5368120 - Four wheel drive vehicle with slip control system (1994-11-29),

Title: Keiichiro Banzai - Innovator at Toyota, JP

Introduction: Keiichiro Banzai is a renowned inventor based in Toyota, Japan, known for his groundbreaking contributions to the field of automotive technology.

Latest Patents: Banzai's latest patents focus on advancements in electric vehicle technology, including innovative battery management systems and regenerative braking mechanisms.

Career Highlights: With a career spanning over two decades at Toyota, Banzai has played a pivotal role in the development of hybrid and electric vehicles, earning multiple accolades for his innovative designs.

Collaborations: Throughout his career, Banzai has collaborated with leading engineers and researchers in the automotive industry, fostering a culture of innovation and excellence at Toyota.

Conclusion: Keiichiro Banzai's passion for pushing the boundaries of automotive technology has solidified his reputation as a visionary inventor, shaping 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]