Toyama, Japan

Norio Nakada

This inventor holds 3 USPTO granted patents. Top assignee: Yoshida Kogyo K.k.. Active years: 1992-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Nakada. Retrieved from https://idiyas.com/inventor/norio-nakada

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 = 4.0

ph-index = 2

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1992-1994

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3 patents (USPTO):Explore Patents

Title: Norio Nakada: Innovator in Aluminum Coloring Technologies

Introduction

Norio Nakada is a prominent inventor based in Toyama, Japan. He has made significant contributions to the field of aluminum coloring technologies, holding a total of 3 patents. His innovative methods have advanced the durability and aesthetic appeal of aluminum products.

Latest Patents

Norio Nakada's latest patents include a method for the production of colored articles of aluminum or aluminum alloy. This method produces a fast and brightly colored oxide film that excels in durability and prevents pigment separation. The process involves using an aqueous dispersion of organic pigment or carbon black, which is finely divided to a size between 3 and 150 nm. The anodic oxide film is formed on the surface of the aluminum member, allowing the pigment to migrate and deposit in the pores through electrophoresis.

Another notable patent is the method for imparting a blue color to aluminum or aluminum alloy. This method allows for a durable and clear blue color of freely controlled density to be applied to the anodic oxide film. The process includes forming the anodic oxide film and subjecting the aluminum to AC electrolysis in a bath containing an inorganic ferrous salt, followed by DC electrolysis in a bath with hexacyano iron (II) acid salt.

Career Highlights

Norio Nakada is associated with Yoshida Kogyo K.K., where he has been instrumental in developing innovative solutions for aluminum coloring. His work has not only enhanced the aesthetic qualities of aluminum products but has also improved their longevity and resistance to wear.

Collaborations

Norio Nakada has collaborated with notable colleagues such as Hideo Fukui and Hatsuo Hirono. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Norio Nakada's contributions to aluminum coloring technologies have established him as a key figure in the industry. His innovative methods and collaborative efforts continue to influence the field, paving the way for future 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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