Ichihara, Japan

Takatoshi Tazawa

This inventor holds 1 USPTO granted patent. Top assignee: Dainippon Ink and Chemicals, Incorporated. Active years: 1979.


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Takatoshi Tazawa: Innovator in Radiation-Curable Prepolymers

Introduction

Takatoshi Tazawa is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of radiation-curable prepolymers. His innovative work has led to the creation of a unique product that has applications in various industries.

Latest Patents

Tazawa holds a patent for a radiation-curable prepolymer. This invention is characterized as a substantially NCO-free radiation-curable prepolymer, which is the reaction product of an organic diisocyanate, a hydroxyl-containing unsaturated monomer, and a polyester polyol. The polyester polyol contains 2 to 8 hydroxyl groups per molecule, with a number average molecular weight ranging from 400 to 6,000 and a hydroxyl equivalent weight of 200 to 3,000. Additionally, it includes a dimer acid residue derived from 9 to 70% of dimer acid and an alcohol residue from 20 to 75% of an ethylene oxide or propylene oxide adduct of bisphenol A.

Career Highlights

Takatoshi Tazawa is associated with Dainippon Ink and Chemicals, Incorporated, where he has been instrumental in advancing the company's research and development efforts. His expertise in polymer chemistry has positioned him as a key figure in the innovation of new materials.

Collaborations

Tazawa has collaborated with notable colleagues, including Kin-ichi Kudo and Katsuyoshi Nakamura. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Takatoshi Tazawa's contributions to the field of radiation-curable prepolymers exemplify the impact of innovative thinking in materials science. His work continues to influence the industry and inspire future advancements.

Profile summary based on public USPTO records.
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