Hitachi, Japan

Fumihito Oka

This inventor holds 40 USPTO granted patents and 3 published patent applications, primarily in Composite Cables. Top assignees: Hitachi Metals, Ltd., Hitachi Cable, Inc., Toyota Jidosha Kabushiki Kaisha. Active years: 2004-2022.

USPTO Granted Patents = 40 

% Patents Active = 70.0

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 134(Granted Patents)


Location History:

  • Ibaraki, JP (2004)
  • Tsuchiura, JP (2009 - 2011)
  • Hitachi, JP (2011 - 2020)
  • Tokyo, JP (2004 - 2022)

Company Filing History:


Years Active: 2004-2022

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Areas of Expertise:
Composite Cable
Wire Harness
Electric Cable
Piezoelectric Device
Crystalline Silicon
Cable Condition Monitoring
Bend Resistant Cable
Sensor Actuator
Manufacturing Method
Power-Supply Cable
Thin Film Element
Conducting Path
40 patents (USPTO):Explore Patents

Title: Fumihito Oka: Pioneering Innovator in Composite Cable Technology

Introduction: Fumihito Oka, a prolific inventor based in Hitachi, Japan, has made significant contributions to the field of composite cable technology. With an impressive portfolio of 40 patents, Oka's innovative work has shaped the landscape of cable engineering.

Latest Patents: Among his recent patents are groundbreaking inventions in the realm of composite cables and composite harnesses. Oka's composite cable design features a unique construction that enhances flex resistance while improving cable termination workability. By incorporating elements like twisted pair wires and spiral tape members, Oka has revolutionized the efficiency and durability of cable systems.

Career Highlights: Throughout his career, Oka has been associated with esteemed companies such as Hitachi Metals, Ltd. and Hitachi Cable, Inc. His expertise and inventive spirit have earned him a reputation as a trailblazer in the industry, driving advancements in cable technology and manufacturing processes.

Collaborations: Oka has collaborated closely with accomplished colleagues such as Hirotaka Eshima and Takahiro Futatsumori. Together, they have synergized their talents and insights to develop cutting-edge solutions that address the evolving needs of the cable industry.

Conclusion: Fumihito Oka's remarkable journey as an inventor showcases his unwavering commitment to innovation and excellence in composite cable technology. His pioneering patents and collaborative efforts underscore his vital role in shaping the future of cable engineering. Oka's dedication to pushing boundaries and reimagining traditional practices cements his legacy as a visionary in the field.

Profile summary based on public USPTO records.
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