Taga-gun, Japan

Fumio Tajima

This inventor holds 85 USPTO granted patents and 5 EPO patents, primarily in Electric Machines (CPC class H02K2-112). Top assignees: Hitachi, Ltd., Hitachi Car Engineering Co., Ltd., Aida Engineering, Ltd.. Active years: 1987-2020.


% Patents Active = 76.5


Average Co-Inventor Count = 5.7

ph-index = 22

Forward Citations = 1,434(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:


Years Active: 1987-2020

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Areas of Expertise:
Permanent Magnet
Electric Rotating Machine
Motor Control
Hybrid Vehicle
Electric Car
Servo Press Machine
Torque Rotating Machine
Non-Contact Sensor
Cylindrical Linear Motor
Electric Pump
Driving Apparatus
Resin Insert-Molding
85 patents (USPTO):Explore Patents

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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