Hitachi, Japan

Tsunenori Yamamoto

This inventor holds 85 USPTO granted patents and 7 published patent applications and 5 EPO patents, primarily in Liquid Crystal Displays (CPC class G02F1-134309). Top assignees: Hitachi, Ltd., Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 2001-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsunenori Yamamoto. Retrieved from https://idiyas.com/inventor/tsunenori-yamamoto

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 85 

% Patents Active = 60.0

 

Average Co-Inventor Count = 4.3

ph-index = 27

Forward Citations = 1,799(Granted Patents)

Forward Citations (Not Self Cited) = 1,759(Dec 10, 2025)


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Location History:

  • Tokyo, JP (2007 - 2009)
  • Hitachi, JP (2001 - 2023)

Company Filing History:


Years Active: 2001-2023

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Areas of Expertise:
Color Display
Liquid Crystal Display
Secondary Battery
Inspection Apparatus
Charging Control
Illuminating Device
Display Manufacturing
Transmissive Display
TFT Technology
Pixel Electrode
Signal Wiring
Battery Module
85 patents (USPTO):Explore Patents

Title: Tsunenori Yamamoto: Pioneering Innovations in Technology

Introduction:

Tsunenori Yamamoto, a visionary inventor hailing from Hitachi, Japan, has left an indelible mark on the world of technology through his relentless pursuit of innovation and unwavering commitment to excellence. With a staggering 85 patents to his name, Yamamoto is celebrated as a trailblazer who inspires future generations to dream big and think outside the box.

Latest Patents:

Among his latest patents is a groundbreaking color display device that revolutionizes visual technology. This device features an array of sub-pixels, including red, blue, first green, and second green sub-pixels. Notably, the arrangement and sizing of the green sub-pixels optimize color display quality, showcasing Yamamoto's keen eye for detail and ingenuity.

Career Highlights:

Yamamoto's illustrious career has seen him make significant contributions to renowned companies such as Hitachi, Ltd. and Hitachi Displays, Ltd. His innovative spirit and dedication to pushing boundaries have propelled him to the forefront of technological advancement, earning him the reputation of a visionary in his field.

Collaborations:

Throughout his career, Yamamoto has collaborated with esteemed colleagues such as Yoshiaki Nakayoshi and Kikuo Ono. Together, they have worked tirelessly to bring cutting-edge technologies to life, fostering a culture of collaboration and innovation that drives progress in the industry.

Conclusion:

In conclusion, Tsunenori Yamamoto stands as a testament to the transformative power of innovation. His pioneering work in technology has not only shaped the present landscape but also laid a solid foundation for the future. With a legacy defined by creativity, perseverance, and excellence, Yamamoto continues to inspire and mentor the next generation of inventors, leaving an enduring impact on the world of technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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