Choji Tomizawa is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of adhesive technology, holding a total of 5 patents. His work focuses on developing innovative adhesive compositions and methods for enhancing the bonding of concrete structures.

Latest Patents

Among his latest patents, one is an adhesive composition that is created by blending a component (C) with components (A) and (B). The weight ratio of (A)/(B) ranges from 95/5 to 40/60, with the amount of component (C) varying from 5 to 50 parts by weight based on 100 parts by weight of the total components (A) and (B). Another significant patent involves the jointing of concrete structures, which includes applying an adhesive to a base concrete structure and then applying new concrete. This adhesive comprises a vinyl acetate-ethylene copolymer emulsion with a glass transition temperature of -5°C to +5°C, ensuring a strong joint force between the old and new concrete.

Career Highlights

Choji Tomizawa is currently employed at Sumitomo Chemical Company, Limited, where he continues to innovate in adhesive technologies. His expertise and dedication to research have positioned him as a key figure in his field.

Collaborations

Throughout his career, Tomizawa has collaborated with talented individuals such as Takeo Oyamada and Masahiro Domoto. These partnerships have contributed to the advancement of adhesive technology and the successful development of his patents.

Conclusion

Choji Tomizawa's work in adhesive technology exemplifies innovation and dedication. His contributions have significantly impacted the industry, particularly in the bonding of concrete structures.

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