Masahiro Kojima

This inventor holds 37 USPTO granted patents, plus 4 CIPO patents and 8 EPO patents, primarily in Hybrid Drive Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Aw Co., Ltd., Nishikawa Rubber Co., Ltd.. Active years: 1991-2025.

USPTO Granted Patents = 37

% Patents Active = 70.3

CIPO Patents = 4 (Patent Applications = 1)

EPO Patents = 8 (Patent Applications = 1)

Average Co-Inventor Count = 4.2

ph-index = 12

Forward Citations = 458(Granted Patents)

Location History:

Toyota, JP (1991 - 2010)
Susono, JP (2003 - 2010)
Aichi-ken, JP (2008 - 2010)
Okazaki, JP (1997 - 2016)
Hiroshima, JP (2017 - 2023)

Company Filing History:

28 out of 38,723

Toyota Jidosha Kabushiki Kaisha

Nishikawa Rubber Co., Ltd.

patents

4. 3 out of 5,207

Aisin Seiki Kabushiki Kaisha

patents

5. 1 out of 1,153

Kabushiki Kaisha Toyota Chuo Kenkyusho

patents

6. 1 out of 834,350

Other

patents

where one patent can have more than one assignee

Years Active: 1991-2025

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Areas of Expertise:

Hybrid Drive System

Power Transmission Device

Automotive Door

Sealing Structure

Hydraulic Control

Planetary Gearset

Torque Fluctuation Absorber

Vehicle Driving Device

Control Apparatus

Power Output Apparatus

Automatic Transmission

Motor Vehicle

37 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12508888 - Sealing structure for door of automobile (2025-12-30),

2. 11701955 - Automotive door glass run (2023-07-18),

3. 11433746 - Protector with sensor (2022-09-06),

4. 9950600 - Glass run for automotive door (2018-04-24),

5. 9845001 - Glass run for automobile door (2017-12-19),

6. 9845000 - Glass run for motor vehicles (2017-12-19),

7. 9505446 - Powertrain unit (2016-11-29),

8. 9132832 - Power transmission device for vehicle (2015-09-15),

9. 8864140 - Sealing structure using a liquid gasket (2014-10-21),

10. 8337350 - Power transmission device and method of assembling the same (2012-12-25),

11. 8066090 - Hydraulic pressure control device of an automatic transmission and hybrid drive device having the hydraulic pressure control device (2011-11-29),

12. 7905807 - Hydraulic control apparatus for automatic transmission, and hybrid drive system provided with the same (2011-03-15),

13. 7841961 - Planetary gearset (2010-11-30),

14. 7811191 - Control apparatus for vehicular drive system (2010-10-12),

15. 7727099 - Vehicle driving device (2010-06-01),

Title: The Innovative Journey of Masahiro Kojima

Introduction: Masahiro Kojima, a distinguished inventor hailing from Okazaki, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Masahiro Kojima's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of technological possibilities.

Career Highlights: With a career spanning over two decades, Masahiro Kojima has worked with leading tech companies in Japan, spearheading projects that have revolutionized the industry. His expertise in mechatronics has led to the development of cutting-edge solutions that have garnered international acclaim.

Collaborations: Throughout his career, Masahiro Kojima has collaborated with top research institutions and universities to further his research and bring his inventions to life. His collaborative spirit has been instrumental in bridging the gap between academia and industry.

Conclusion: Masahiro Kojima's relentless pursuit of innovation and his passion for technology have solidified his position as a visionary inventor in the realm of robotics and mechatronics. His contributions continue to inspire the next generation of inventors and shape the future of technology.