Hitachi, Japan

Ryoji Ukita

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 1979-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Ukita. Retrieved from https://idiyas.com/inventor/ryoji-ukita

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 = 2.7

ph-index = 2

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 1979-1982

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2 patents (USPTO):Explore Patents

Title: Ryoji Ukita: Innovator in Coatings Technology

Introduction

Ryoji Ukita is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of coatings technology, particularly through his innovative patents. With a total of 2 patents, Ukita has developed formulations that enhance the performance of coating materials.

Latest Patents

One of Ukita's latest patents is a copolymer emulsion. This emulsion comprises a copolymer obtained by copolymerizing a dicyclopentadiene derivative, an α,β-unsaturated monomer with hydroxyl groups, and another copolymerizable monomer. The resulting copolymer is then reacted with a partial allyl ether of polyhydric alcohol, allowing it to be cross-linked and cured at normal temperatures. This innovation results in coating films that exhibit exceptional hardness, water resistance, corrosion resistance, and solvent resistance.

Another notable patent is for a water-dispersible epoxy modified alkyd resin. This resin is produced by reacting various components, including oil or oil fatty acid, polyhydric alcohol, and epoxy compounds. The formulation is designed to provide water-dispersible coatings with improved drying characteristics, water resistance, and corrosion resistance.

Career Highlights

Ryoji Ukita is associated with Hitachi Chemical Company, Ltd., where he has been instrumental in advancing the company's product offerings. His work focuses on developing innovative materials that meet the evolving needs of the coatings industry.

Collaborations

Ukita has collaborated with notable colleagues, including Takao Hirayama and Asao Isobe. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Ryoji Ukita's contributions to coatings technology through his innovative patents have significantly impacted the industry. His work continues to inspire advancements in material science and engineering.

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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