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Taga-gun, Japan

Fumio Tajima

USPTO Granted Patents = 85

EPO Patents = 5

Average Co-Inventor Count = 5.7

ph-index = 22

Forward Citations = 1,424(Granted Patents)

Forward Citations (Not Self Cited) = 1,308(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Jyuo, JP (1987)
Jyuoh, JP (1987)
Jyuou, JP (1990)
Ibaraki, JP (1989 - 1996)
Juuou-machi, JP (1999)
Jyuou-machi, JP (1998 - 2001)
Juo-machi, JP (1999 - 2002)
Ibaraki-ken, JP (1997 - 2003)
Jyuo-machi, JP (2002 - 2003)
Juo, JP (1990 - 2005)
Chiyoda-ku, JP (2006)
Juou, JP (2004 - 2008)
Juou-machi, JP (1996 - 2010)
Taga-gun, JP (2001 - 2012)
Hitachi, JP (2006 - 2013)
Sagamihara, JP (2015 - 2020)

Company Filing History:

71 out of 42,488

Hitachi Car Engineering Co., Ltd.

Aida Engineering, Ltd.

4. 3 out of 152

Hitachi Automotive Engineering Co., Ltd.

5. 2 out of 152

Japan Servo Co.,ltd.

6. 2 out of 494

Hitachi Industrial Equipment Systems Co., Ltd.

7. 1 out of 162

Hitachi Engineering Co., Ltd.

Hitachi Taga Engineering, Ltd.

9. 1 out of 2,333

Hitachi Metals, Ltd.

10. 1 out of 13,398

Nissan Motor Company Limited

11. 1 out of 149

Hitachi Powdered Metals Co., Ltd.

12. 9 out of 832,718

Other

patents

where one patent can have more than one assignee

Years Active: 1987-2020

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Areas of Expertise:

Servo Press Machine

Composite Torque Rotating Electric Machine

Permanent Magnet Electric Rotating Machine

Electric Vehicle

Motor Control Device

Non-Contact Rotational Position Sensor

Cylindrical Linear Motor

Electric Pump

Driving Apparatus

Hybrid Vehicle

Rotating Electrical Machine

Electromotive Vehicle

85 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10525647 - Servo press machine, motor using servo press machine, and method of assembling and detaching motor (2020-01-07),

2. 9853509 - Composite torque rotating electric machine (2017-12-26),

3. 9806571 - Composite torque rotating electric machine (2017-10-31),

4. 9088193 - Motor exciting device and motor exciting method and motor control device and motor control method (2015-07-21),

5. RE44037 - Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine (2013-03-04),

6. 8198775 - Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine (2012-06-12),

7. 8067871 - Permanent magnet rotating electric machine and electric car using the same (2011-11-29),

8. 8040010 - Permanent magnet type generator and hybrid vehicle using the same (2011-10-18),

9. 7956509 - Electric pump (2011-06-07),

10. 7956506 - Driving apparatus (2011-06-07),

11. 7851959 - Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine (2010-12-14),

12. 7847462 - Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine (2010-12-07),

13. 7808144 - Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine (2010-10-05),

14. 7777389 - Rotating electrical machine (2010-08-17),

15. 7768158 - Cylindrical linear motor and a vehicle using the same (2010-08-03),

Title: The Innovative Journey of Fumio Tajima

Introduction:

Fumio Tajima, a pioneering inventor hailing from Taga-gun, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents:

Tajima's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions.

Career Highlights:

With a career spanning over three decades, Tajima has established himself as a leading figure in the renewable energy sector. His work has not only revolutionized the way we harness energy but has also paved the way for a more sustainable future.

Collaborations:

Throughout his career, Tajima has collaborated with top research institutions and leading tech companies to further develop and commercialize his inventions. His collaborative efforts have led to the successful implementation of his technologies on a global scale.

Conclusion:

In conclusion, Fumio Tajima's relentless pursuit of innovation and sustainability has left an indelible mark on the world. His inventions continue to shape the future of renewable energy and inspire generations of inventors to come.

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