Osaka, Japan

Akira Doi

This inventor holds 6 USPTO granted patents. Top assignee: Nissin Electric Co., Ltd.. Active years: 1998-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Doi. Retrieved from https://idiyas.com/inventor/akira-doi-dizqj8aj

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


% Patents Active = 83.3

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 145(Granted Patents)


Location History:

  • Kyoto, JP (1998 - 2000)
  • Osaka, JP (2002 - 2003)
  • Ikeda, JP (2000 - 2005)

Company Filing History:


Years Active: 1998-2005

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6 patents (USPTO):Explore Patents

Title: The Innovations of Akira Doi

Introduction

Akira Doi, based in Osaka, Japan, is a notable inventor with a remarkable portfolio of six patents. His groundbreaking work primarily focuses on advanced coating methods and plasma-enhanced chemical vapor deposition technologies, showcasing significant contributions to various industries including automotive and electronics.

Latest Patents

Among Akira Doi's latest inventions is a patent for an object coated with a carbon film and the method of manufacturing it. This innovative coating is applicable to a wide range of items such as automobile parts, bicycle components, and various machine parts. The carbon film, often in the form of a diamond-like carbon (DLC) layer, provides excellent wear resistance along with properties such as lubricity, water repellency, and gas barrier characteristics. Additionally, he developed a plasma CVD method and apparatus, which facilitates the formation of a plasma from a deposition material gas. This method employs both RF and DC power to achieve efficient film deposition on target objects.

Career Highlights

Akira Doi is currently affiliated with Nissin Electric Co., Ltd., where he has made significant strides in enhancing manufacturing processes through his innovative designs. His career has been marked by a commitment to developing technologies that improve the performance and durability of everyday products.

Collaborations

Throughout his career, Akira has collaborated with esteemed colleagues, including Takahiro Nakahigashi and Yoshihiro Izumi. Their joint efforts have driven advancements in the field of material coatings and plasma technology, underscoring the importance of teamwork in innovation.

Conclusion

Akira Doi's contributions to technology through his patents highlight the crucial role of innovation in enhancing product capabilities. His work not only demonstrates the potential of carbon-based coatings but also reflects the collaborative spirit of the research community in driving forward new advancements.

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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