Tokyo, Japan

Kenichi Hanaoka

This inventor holds 2 USPTO granted patents. Top assignees: Dai Nippon Insatsu K.k., Mitsubishi Denki Kabushiki Kaisha, Ryoden Semiconductor System Engineering Corporation. Active years: 1992-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenichi Hanaoka. Retrieved from https://idiyas.com/inventor/kenichi-hanaoka

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 = 4.8

ph-index = 2

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1992-1999

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2 patents (USPTO):Explore Patents

Title: Kenichi Hanaoka: Innovator in Semiconductor Technology

Introduction

Kenichi Hanaoka is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His innovative work has paved the way for advancements in conductive films and precision containers.

Latest Patents

Hanaoka's latest patents include a method for forming a surface-roughened conductive film on a semiconductor wafer. This method involves treating an amorphous silicon conductive film with hydrofluoric acid to remove a natural oxide film, followed by the formation of a very thin oxide film. The oxide film is created with a thickness ranging from 0.5 angstroms to 20 angstroms, using silane gas to form a nucleating film, which is then annealed to achieve a roughened surface. His second patent is for a container designed for precision parts, which features a rectangular cross-section and is made of synthetic resin. This container includes a detachable lid and a locking device that ensures secure closure.

Career Highlights

Throughout his career, Kenichi Hanaoka has worked with prominent companies such as Dai Nippon Insatsu Co., Ltd. and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise in the field of semiconductor technology.

Collaborations

Hanaoka has collaborated with notable coworkers, including Kazuhiro Takei and Yukio Yamada. Their combined efforts have further advanced the innovations in which they have been involved.

Conclusion

Kenichi Hanaoka's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.

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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