Hitachinaka, Japan

Ikuo Hiyama

This inventor holds 101 USPTO granted patents and 2 published patent applications, primarily in Liquid Crystal Displays (CPC class G02F1-1335). Top assignees: Hitachi, Ltd., Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 1994-2014.

USPTO Granted Patents = 101 

% Patents Active = 70.3

Average Co-Inventor Count = 4.3

ph-index = 21

Forward Citations = 1,791(Granted Patents)

Forward Citations (Not Self Cited) = 1,762(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Hitachi, JP (1994 - 2012)
  • Hitachinaka, JP (2003 - 2014)
  • Tokyo, JP (2007 - 2014)

Company Filing History:


Years Active: 1994-2014

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Areas of Expertise:
Liquid Crystal Display
Illuminating Device
Optical Compensating Member
Polarizer
Backlight Unit
Diffuser Board
Image Signal Display
Active Matrix Type
Micro Lenses
Display Equipment
Plane-Like Lighting Units
Display Apparatus
101 patents (USPTO):Explore Patents

Certainly! Here is an article about inventor Ikuo Hiyama:

Title: Unveiling the Inventive Mind of Ikuo Hiyama

Introduction:

Ikuo Hiyama, a distinguished inventor hailing from Hitachinaka, Japan, has left an indelible mark in the realm of technological advancements. With a prolific portfolio boasting 101 patents, his innovative contributions continue to shape the landscape of liquid crystal display devices.

Latest Patents:

His latest patents showcase his ingenuity in crafting state-of-the-art illumination devices. One such patent describes an illumination device comprising multiple light source modules, each housing a unique configuration of LED devices. These modules, driven by a single power voltage, exhibit remarkable efficiency and precision in light emission, revolutionizing the field of display technology.

Career Highlights:

Throughout his career, Ikuo Hiyama has been associated with esteemed companies such as Hitachi Co., Ltd and Hitachi Displays, Ltd. His tenure at these renowned organizations has been marked by a relentless pursuit of excellence and a commitment to pushing the boundaries of innovation in the electronics industry.

Collaborations:

In his creative endeavors, Ikuo Hiyama has collaborated with industry stalwarts like Makoto Tsumura and Tsunenori Yamamoto. Together, they have synergized their expertise to develop cutting-edge solutions that have garnered acclaim for their technological sophistication and functional elegance.

Conclusion:

In conclusion, Ikuo Hiyama's legacy as an inventive powerhouse resonates through his multitude of patents and groundbreaking contributions to the field of display technology. His relentless pursuit of innovation and collaborative spirit serve as an inspiration for aspiring inventors and underscore the transformative power of ingenuity in driving progress and shaping the future.

Profile summary based on public USPTO records.
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