Tokyo, Japan

Koji Yamashita

This inventor holds 145 USPTO granted patents and 22 published patent applications and 129 EPO patents, primarily in Air Conditioning Technology (CPC class F25B13-00). Top assignees: Mitsubishi Electric Corporation, Tokyo Electron Limited, Nec Corporation. Active years: 1978-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Yamashita. Retrieved from https://idiyas.com/inventor/koji-yamashita

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

USPTO Granted Patents = 145 

% Patents Active = 92.4

 

Average Co-Inventor Count = 2.5

ph-index = 11

Forward Citations = 917(Granted Patents)

Forward Citations (Not Self Cited) = 867(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Itami, JP (1996)
  • Billerica, MA (US) (2014)
  • Chiyoda-ku, JP (2013 - 2022)
  • Tokyo, JP (1978 - 2024)
  • Koshi, JP (2014 - 2024)
  • Kumamoto, JP (2020 - 2024)

Company Filing History:


Years Active: 1978-2026

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Areas of Expertise:
Air Conditioning Apparatus
Substrate Processing
Refrigeration Cycle
Heat Pump
Leak Detection
Gas Supply
Liquid Processing
Manufacturing Method
Thermal Management
Defrosting Control
145 patents (USPTO):Explore Patents

Title: Koji Yamashita: Tokyo's Innovative Patent Powerhouse

Introduction:

In the bustling metropolis of Tokyo, Japan, resides a brilliant mind in the field of substrate processing. Meet Koji Yamashita, a prolific inventor and engineer with an impressive track record of 138 patents. With expertise in designing substrate processing apparatus, his groundbreaking work continues to push the boundaries of technological advancements in this field. Join us as we delve into Yamashita's latest patents, career highlights, collaborations, and overall contributions to the world of innovation.

Latest Patents:

Yamashita's latest patents reflect his ingenuity and commitment to advancing substrate processing technologies. One such patent is titled "Substrate processing apparatus, substrate processing method, and storage medium." This invention introduces a novel substrate processing apparatus consisting of a liquid processing tank, a movement mechanism, an ejector, and a controller. The apparatus leverages a processing liquid and an organic solvent vapor to enhance the substrate processing efficiency. Yamashita's ingenious design incorporates a controller that dynamically adjusts the ejection flow rate and position of the organic solvent vapor as the substrates ascend, resulting in improved processing quality and yield.

Career Highlights:

Yamashita's impressive career spans across renowned companies in the industry. Notably, he has made significant contributions to the research and development divisions of Mitsubishi Electric Corporation and Tokyo Electron Limited. At these companies, he has been involved in groundbreaking projects, pioneering advancements in substrate processing technologies. Yamashita's innovative thinking and meticulous approach have earned him recognition as an accomplished engineer and inventor.

Collaborations:

In his notable career, Yamashita has had the privilege of working alongside esteemed colleagues in the field. Among them are Hiroyuki Morimoto and Shinichi Wakamoto - accomplished professionals who share Yamashita's passion for innovation. Together, they have nurtured a collaborative environment, pooling their skills and expertise to tackle complex challenges in substrate processing. Their collaborative efforts have yielded remarkable outcomes, further cementing their names in the annals of technological advancements.

Conclusion:

Koji Yamashita's relentless pursuit of innovative substrate processing has cemented his position as a leading inventor in the field. With a remarkable portfolio of 138 patents, including his latest groundbreaking inventions, Yamashita continues to shape the future of substrate processing technologies. His impressive career highlights showcase his immense contributions to renowned companies like Mitsubishi Electric Corporation and Tokyo Electron Limited. Through fruitful collaborations with esteemed colleagues, such as Hiroyuki Morimoto and Shinichi Wakamoto, Yamashita has forged a path of innovation that inspires countless aspiring inventors. As we eagerly anticipate his future contributions, we recognize Koji Yamashita as Tokyo's innovative patent powerhouse.

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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