Kanagawa, Japan

Ryuji Haseyama

This inventor holds 6 USPTO granted patents. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Shimizu Seiko Kabushiki Gaisha. Active years: 1992-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Haseyama. Retrieved from https://idiyas.com/inventor/ryuji-haseyama

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 = 6.6

ph-index = 2

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1992-1994

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6 patents (USPTO):Explore Patents

Title: Ryuji Haseyama: Innovator in Chemical Engineering

Introduction

Ryuji Haseyama, a prominent inventor based in Kanagawa, Japan, has made significant contributions to the field of chemical engineering. With a total of six patents to his name, Haseyama's work has focused on developing unique chemical compounds, particularly in the areas of alicyclic diamines and diisocyanates.

Latest Patents

Haseyama's recent patents explore innovative formulations and methodologies. He has disclosed a novel method for synthesizing an α-(aminocyclohexyl)alkylamine, characterized by a specific general formula and flexibility in structural positioning of the amino group. Additionally, he has developed an α-(isocyanatocyclohexyl)alkylisocyanate where amino groups are substituted with isocyanato groups. His work also includes the invention of polyisocyanato-isocyanurate, with a detailed general formula that outlines the structural possibilities of this compound. Moreover, he has created a resin obtained by polymerizing organic polyisocyanate, designed to have significant applications in coating materials thanks to its unique properties.

Career Highlights

Throughout his career, Haseyama has been associated with various prestigious companies, including Mitsui Toatsu Chemicals, Incorporated and Shimizu Seiko Kabushiki Gaisha. His roles in these organizations have allowed him to engage deeply with innovations in chemical processes and product development.

Collaborations

Haseyama has worked alongside notable colleagues such as Kouzou Hayashi and Kazuyuki Kuroda, fostering a collaborative environment that encourages the cross-pollination of ideas and further advancements in their respective fields.

Conclusion

Ryuji Haseyama's contributions to the chemical engineering domain showcase his innovative spirit and dedication to developing new materials that have the potential to enhance various industrial applications. His inventions not only reflect the progress in chemical science but also highlight the importance of collaboration and experience in driving innovation forward.

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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