Kunitachi, Japan

Hajime Hayakawa

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Chemical Company, Ltd.. Active years: 1992-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Hayakawa. Retrieved from https://idiyas.com/inventor/hajime-hayakawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 34(Granted Patents)


Location History:

  • Tokyo, JP (1992)
  • Kunitachi, JP (1995)

Company Filing History:


Years Active: 1992-1995

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2 patents (USPTO):Explore Patents

Title: The Innovations of Hajime Hayakawa

Introduction

Hajime Hayakawa is a notable inventor based in Kunitachi, Japan. He has made significant contributions to the field of semiconductor technology, holding 2 patents that showcase his innovative approaches. His work focuses on improving the efficiency and accuracy of semiconductor device manufacturing.

Latest Patents

One of Hayakawa's latest patents is a method of forming patterns and making semiconductor devices using electrical charge accumulation. This method reduces positional deviation of patterns by employing a bottom-resist layer made from a radiation-induced conductive composition. This innovation allows for the easy and high-yield production of highly integrated semiconductor devices. Additionally, he has developed a charged particle beam projection aligner that minimizes offset errors in pattern alignment by using a light beam in the same direction as the particle beam.

Career Highlights

Throughout his career, Hajime Hayakawa has worked with prominent companies such as Hitachi, Ltd. and Hitachi Chemical Company, Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Hayakawa has collaborated with notable colleagues, including Kazumitsu Nakamura and Hiroyuki Itoh. These partnerships have further enriched his work and advancements in the field.

Conclusion

Hajime Hayakawa's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to shape the future of semiconductor device manufacturing.

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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