Seitoku Kubo

This inventor holds 83 USPTO granted patents, primarily in Hybrid Vehicle Systems (CPC class 74867). Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Aisin-Warner Limited. Active years: 1977-2005.

USPTO Granted Patents = 83

% Patents Active = 98.8

Average Co-Inventor Count = 3.6

ph-index = 18

Forward Citations = 1,425(Granted Patents)

Forward Citations (Not Self Cited) = 1,385(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Toyota, JA (1977)
Sakae, JP (1980)
Toyota, JP (1978 - 2005)

Company Filing History:

48 out of 38,774

Toyota Jidosha Kabushiki Kaisha

patents

25 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

Aisin-Warner Kabushiki Kaisha

patents

6. 3 out of 131

Toyota Motor Corporation

Toyoda Koki Kabushiki Kaisha

Toyota Jidoshi Kabushiki Kaisha

patents

11. 2 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1977-2005

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Areas of Expertise:

Hybrid Drive System

Automatic Transmission

Hydraulic Control

Four-Wheel Drive

Torque Converter

Energy Storage

Transmission Control

Servo Mechanism

Vehicle Control Apparatus

Clutch Mechanism

Power Transmission

Planetary Gear

83 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6864652 - Drive system for automotive vehicle of front-and-rear wheel drive type (2005-03-08),

2. 5895333 - Hybrid vehicle drive system, wherein mechanism for synthesizing engine (1999-04-20),

3. 5875691 - Hybrid drive system (1999-03-02),

4. 5856709 - Hybrid vehicle drive system having clutch between engine and (1999-01-05),

5. 5789882 - Vehicle control apparatus adapted to select engine-or motor-drive mode (1998-08-04),

6. 5769749 - Automatic transmission (1998-06-23),

7. 5725064 - Hybrid vehicle with pumping loss reducing function (1998-03-10),

8. 5722911 - Vehicle control apparatus adapted to charge energy storage device by (1998-03-03),

9. 5411451 - Control system for controlling the pressure of the oncoming servo (1995-05-02),

10. 5368531 - Control method of and system thereof for inversely proportionally (1994-11-29),

11. 5334114 - Control system for servo hydraulic pressure in vehicular automatic (1994-08-02),

12. 5254053 - Five-speed automatic transmission (1993-10-19),

13. 5235877 - Shift control apparatus for automatic transmission (1993-08-17),

14. 5052247 - Hydraulic control apparatus for belt-and-pulley type continuously (1991-10-01),

15. 4963124 - Planetary gear transmission for motor vehicle (1990-10-16),

Title: The Innovative Mind of Seitoku Kubo

Introduction: Seitoku Kubo is a pioneering inventor hailing from Toyota, Japan, known for his groundbreaking contributions to the field of automotive technology.

Latest Patents: Kubo's recent patents focus on advancements in electric vehicle battery technology, autonomous driving systems, and sustainable materials for vehicle manufacturing.

Career Highlights: With a career spanning over two decades, Kubo has held key positions in leading automotive research institutions, where he spearheaded projects that have revolutionized the industry.

Collaborations: Kubo has collaborated with top engineers, designers, and researchers from renowned universities and automotive companies worldwide, fostering a culture of innovation and excellence in his projects.

Conclusion: Seitoku Kubo's relentless pursuit of innovation and his commitment to pushing the boundaries of automotive technology make him a true trailblazer in the industry.