Tokyo, Japan

Akira Miyaji

This inventor holds 12 USPTO granted patents and 1 published patent application. Top assignees: Nikon Corporation, Nippon Kogaku K.k., Kabushiki Kaisha Nikon. Active years: 1981-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Miyaji. Retrieved from https://idiyas.com/inventor/akira-miyaji

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

USPTO Granted Patents = 12 

% Patents Active = 91.7

Average Co-Inventor Count = 3.6

ph-index = 10

Forward Citations = 602(Granted Patents)


Location History:

  • Kawasaki, JP (1981)
  • Tokyo, JP (1983 - 2002)

Company Filing History:


Years Active: 1981-2002

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12 patents (USPTO):Explore Patents

Title: Akira Miyaji: Innovator in Semiconductor Polishing Technology

Introduction

Akira Miyaji is a prominent inventor based in Tokyo, Japan, known for his significant contributions to semiconductor polishing technology. With a total of 12 patents to his name, Miyaji has developed innovative methods and apparatuses that enhance the efficiency and effectiveness of semiconductor manufacturing processes.

Latest Patents

Miyaji's latest patents include several groundbreaking inventions. One notable patent is a polishing body and apparatus that features an adjustment method for measuring polished film thickness or polishing endpoint. This invention involves inserting a transparent window plate into a hole formed in a polishing pad, maintaining a constant gap during the polishing process. This design prevents scratching of the window plate's surface, thereby extending the useful life of the polishing pad. Another significant patent is the semiconductor wafer polishing apparatus, which incorporates polishing laps made from a cured mixture of epoxy resin and filler material. These laps are designed to be transparent to light, allowing for real-time monitoring of the polishing process through a light source and detector.

Career Highlights

Throughout his career, Akira Miyaji has worked with leading companies in the field, including Nikon Corporation and Nippon Kogaku K.K. His work has been instrumental in advancing semiconductor polishing technologies, making significant impacts on the industry.

Collaborations

Miyaji has collaborated with notable professionals in the field, including Kenji Toyoda and Takao Watanabe. These collaborations have contributed to the development of innovative solutions in semiconductor manufacturing.

Conclusion

Akira Miyaji's contributions to semiconductor polishing technology have established him as a key figure in the industry. His innovative patents and collaborations continue to influence advancements in semiconductor manufacturing processes.

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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