Tokyo, Japan

Masaya Nishiyama

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Hitachi Chemical Company, Ltd., Showa Denko Materials Co., Ltd.. Active years: 2004-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaya Nishiyama. Retrieved from https://idiyas.com/inventor/masaya-nishiyama

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

USPTO Granted Patents = 6 

% Patents Active = 83.3

Average Co-Inventor Count = 4.6

ph-index = 3

Forward Citations = 78(Granted Patents)


Location History:

  • Tsukuba, JP (2004 - 2006)
  • Hitachi, JP (2008 - 2016)
  • Tokyo, JP (2018 - 2021)

Company Filing History:


Years Active: 2004-2021

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6 patents (USPTO):Explore Patents

Title: Masaya Nishiyama: Innovator in Polishing Technology

Introduction

Masaya Nishiyama is a distinguished inventor based in Tokyo, Japan, known for his innovative contributions to the field of polishing agents. With a portfolio of six patents, Nishiyama has made significant advancements that enhance the efficiency and effectiveness of polishing processes in various applications.

Latest Patents

Nishiyama's latest patents include a range of formulations for polishing agents designed to improve the quality of polishing on resin materials. His first patent outlines a polishing agent that consists of abrasive grains, a water-soluble polymer with an ether bond, an organic solvent, and water. Notably, the abrasive grains exhibit a positive charge and have an average particle diameter exceeding 20 nm.

In his second patent, he focuses on a chemomechanical polishing agent specifically for carbon-based materials. This polishing agent includes silica abrasive grains, an allylamine-based polymer, and water. The formulation is carefully engineered so the mass ratio of the allylamine-based polymer to the abrasive grain's content falls between 0.002 to 0.400, ensuring the abrasive grains retain a positive charge within the agent.

Career Highlights

Throughout his career, Masaya Nishiyama has worked with prominent companies including Hitachi Chemical Company, Ltd. and Showa Denko Materials Co., Ltd. His expertise in the development of polishing agents has been instrumental in enhancing product quality and manufacturing processes.

Collaborations

Nishiyama has collaborated with skilled colleagues such as Masayuki Hanano and Haruaki Sakurai. Together, they have explored various applications of polishing technology, contributing to advancements in the field and fostering innovation within their respective organizations.

Conclusion

Masaya Nishiyama stands out as a leading figure in polishing technology, driven by his commitment to innovation and improvement. His patents reflect a deep understanding of chemical interactions and material properties, paving the way for more effective polishing techniques. As industries continue to evolve, his contributions will likely remain integral to the future advancements in polishing 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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