Niigata, Japan

Hiromi Nishiwaki

This inventor holds 5 USPTO granted patents. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 2005-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromi Nishiwaki. Retrieved from https://idiyas.com/inventor/hiromi-nishiwaki

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


% Patents Active = 40.0

Average Co-Inventor Count = 4.1

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Niigata-ken, JP (2005 - 2006)
  • Joetsu, JP (2006 - 2007)

Company Filing History:


Years Active: 2005-2007

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5 patents (USPTO):Explore Patents

Title: Hiromi Nishiwaki: Innovator in High-Purity Organometallic Compounds

Introduction: Hiromi Nishiwaki, based in Niigata-ken, Japan, is a prominent inventor known for her significant contributions to the field of organometallic compounds. With a portfolio comprising five patents, she has made remarkable advancements in the purification methods for these compounds.

Latest Patents: Among Nishiwaki's latest inventions is a patent for high-purity trimethylaluminum, along with a purification method for crude trimethylaluminum. This high-purity trimethylaluminum is characterized by exceptionally low impurity levels, including organosilicon components not exceeding 0.5 ppm and various metallic contaminants restricted to 0.05 ppm or lower. The meticulous purification process involves the removal of impurities through advanced distillation and evaporation techniques. Additionally, her patent details a method for purifying organometallic compounds, highlighting her innovative approaches to enhancing chemical purity.

Career Highlights: Nishiwaki's career includes her association with Shin-Etsu Chemical Co., Ltd., where she continues to apply her expertise in chemistry to develop new solutions in materials science. Her work has not only fostered advancements in the industry but also supported the growth of high-purity compounds essential for various applications.

Collaborations: Throughout her career, Nishiwaki has collaborated with accomplished professionals, including Takanobu Tsudera and Takayuki Honma. These partnerships have enriched her research and contributed to the successful development of her impactful innovations.

Conclusion: Hiromi Nishiwaki's dedication to enhancing the purity of organometallic compounds has positioned her as an influential figure in the field. Her innovative patents signify an important step forward in chemical engineering and industry applications, and her collaborations further underline the collective effort in advancing scientific research.

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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