Yokohama, Japan

Keiichi Ishikawa

This inventor holds 13 USPTO granted patents and 1 published patent application, plus 4 CIPO patents. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd, Samsung Electronics Co., Ltd.. Active years: 1989-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Ishikawa. Retrieved from https://idiyas.com/inventor/keiichi-ishikawa-7b6w1li4

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

USPTO Granted Patents = 13 

% Patents Active = 92.3


Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 80(Granted Patents)


Location History:

  • Kanagawa, JP (1989 - 1995)
  • Yokohama, JP (1990 - 2020)

Company Filing History:


Years Active: 1989-2020

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13 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Keiichi Ishikawa

Introduction

Keiichi Ishikawa, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of biomass technology. With a remarkable portfolio comprising 13 patents, he has focused on developing methods and devices that improve the production of carbonized products from woody biomass, aiming to enhance the efficiency of biomass fuel production.

Latest Patents

Two of his latest notable patents include a carbide producing method and a biomass fuel production plant. The carbide producing method facilitates the carbonization of woody biomass, employing a pyrolysis process that converts the biomass into carbide while controlling the heat supplied based on the lower heating value (LHV) calculated from the carbonized product. The biomass fuel production plant integrates various components such as a drying heat source, drying device, carbonized product production device, and a control device that manages the heat quantity for the biomass, also calculating the LHV from the bulk density of the carbonized product.

Career Highlights

Throughout his career, Keiichi Ishikawa has worked with prominent companies, including Mitsui Toatsu Chemicals and Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. His roles in these organizations have allowed him to apply his innovative ideas in real-world applications, affecting the development of sustainable biomass technologies.

Collaborations

Ishikawa’s collaborative efforts have been strengthened by partnerships with notable colleagues such as Masaaki Shin and Akira Misawa. Their combined expertise and insights have contributed to the advancement of his inventions, marking a successful teamwork approach to innovation in biomass technologies.

Conclusion

Keiichi Ishikawa's inventive work highlights significant advancements in biomass fuel production and carbide technology. His patents showcase a deep commitment to improving sustainable energy solutions, with a vision aimed at creating a more efficient and eco-friendly approach to biomass utilization. His contributions resonate within the innovative landscape of renewable energy, placing him as a notable figure among inventors in this crucial field.

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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