Tokyo, Japan

Kiyomi Ema

This inventor holds 17 USPTO granted patents and 3 EPO patents, primarily in Silica Production. Top assignees: Nissan Chemical Industries Limited, Brewer Science, Inc., Other. Active years: 1993-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyomi Ema. Retrieved from https://idiyas.com/inventor/kiyomi-ema

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

Calculating rank

% Patents Active = 94.1

 

Average Co-Inventor Count = 4.0

ph-index = 10

Forward Citations = 276(Granted Patents)


Location History:

  • Chiba, JP (1998 - 1999)
  • Funabashi, JP (1993 - 2003)
  • Toyama, JP (2009 - 2011)
  • Tokyo, JP (2015 - 2020)

Company Filing History:


Years Active: 1993-2020

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Areas of Expertise:
Silicic Acid
Silica Sol
Alkali Silicate
Precision Casting
Alumina Sol
Polishing Composition
Antistatic Film
Conductive Composite
Organic Black Matrix
Inorganic Adhesive
Bonding Method
17 patents (USPTO):Explore Patents

Title: Kiyomi Ema: A Pioneer in Silicic Acid Solutions

Introduction

Kiyomi Ema, based in Tokyo, Japan, is an accomplished inventor, holding a remarkable portfolio of 17 patents. Ema's work primarily focuses on developing advanced methods for producing purified active silicic acid solutions and silica sols, contributing significantly to the field of materials science.

Latest Patents

Among Kiyomi Ema's latest inventions are innovative methods for producing both purified active silicic acid solution and silica sol. These methods aim to reduce the presence of foreign matter in the form of plate-like fine particles. Specifically, Ema's process ensures that the amount of these particles, which range from 0.2 to 4.0 µm in length and 1 to 100 nm in thickness, is minimized to between 0% to 30%. The procedure includes crucial steps such as preparing an alkaline silicate aqueous solution with a silica concentration of 0.5% to 10.0% by mass, followed by cation-exchange to eliminate alkaline components and filtering through a specialized filter with a high removal efficiency for particles of 1.0 µm size or more.

Career Highlights

Throughout his illustrious career, Kiyomi Ema has collaborated with reputable companies, including Nissan Chemical Industries Limited and Brewer Science, Inc. His work in these organizations has been pivotal in advancing the technologies associated with silicic acid and silica derivatives.

Collaborations

Ema has worked alongside talented peers such as Tohru Nishimura and Yoshitane Watanabe. These collaborations have allowed for cross-pollination of ideas and fostered the development of innovative solutions in the field of silicic acids.

Conclusion

Kiyomi Ema's contributions to the field of silicic acid solutions exemplify the essence of innovation and invention. With a wealth of patents to his name, he continues to inspire future generations of inventors and researchers, solidifying his legacy in materials science.

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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