Company Filing History:

10 out of 614

Mitsubishi Chemical Industries Limited

patents

4 out of 499

Mitsubishi Kasei Corporation

where one patent can have more than one assignee

Years Active: 1981-1991

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5064909 - Vinylamine copolymer, flocculating agent and paper strength increasing (1991-11-12),

2. 5037927 - Vinylamine copolymer and process for producing same (1991-08-06),

3. 4976976 - Feed additive for ruminants (1990-12-11),

4. 4957977 - Vinylamine copolymer, flocculating agent etc. (1990-09-18),

5. 4937083 - Feed additive for ruminants (1990-06-26),

6. 4863972 - Porous cross-linked polyvinyl alcohol particles, process for producing (1989-09-05),

7. 4857576 - Method for rendering a flammable polymer material flame-resistant (1989-08-15),

8. 4808683 - Vinylamine copolymer, flocculating agent using the same, and process for (1989-02-28),

9. 4696745 - Separating agent with fluoroalkyl group (1987-09-29),

10. 4543365 - Method for increasing the porosity of a cross-linked copolymer (1985-09-24),

11. 4495250 - Anion exchange resin of surface functional type and the process for (1985-01-22),

12. 4350773 - Weakly acidic cation exchange resin and process for producing same (1982-09-21),

13. 4306031 - Weakly acidic cation exchange resin and process for producing same (1981-12-15),

14. 4251442 - Method for synthesis of penicillin (1981-02-17),

Title: The Innovative Journey of Takaharu Itagaki

Introduction

Takaharu Itagaki, an accomplished inventor based in Yokohama, Japan, stands out in the field of polymer chemistry with a portfolio of 14 patents. His innovative contributions focus on the development of vinylamine copolymers, which have significant applications in enhancing paper strength and improving flocculation processes.

Latest Patents

Among his latest patents are several groundbreaking formulations involving vinylamine copolymers. One notable patent describes a vinylamine copolymer characterized by specific structural units. The copolymer comprises units with varying molar fractions, illustrating a sophisticated approach to creating materials that serve as effective flocculating agents and strength enhancers in paper products. Another patent focuses on an N-vinylformamide copolymer, detailing the structural components and their respective ratios, which further demonstrates his innovative expertise in polymer synthesis and processing.

Career Highlights

Takaharu Itagaki's career has been marked by significant contributions while working at Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation. His tenure at these leading companies has provided him with the opportunity to apply his expertise in polymer science to real-world industrial challenges, driving advancements in material technology.

Collaborations

Throughout his career, Itagaki has collaborated with esteemed professionals, including Mitsuaki Shiraga and Shigeru Sawayama. These partnerships have enriched his research endeavors, leading to innovative solutions and furthering the impacts of his patented inventions.

Conclusion

In summary, Takaharu Itagaki's inventive spirit and dedication to advancing polymer technologies have led to a remarkable legacy of patents. His contributions not only enhance industrial processes but also reflect the significant impact of innovative thinkers in the field of chemistry. As he continues his journey as an inventor, the scientific community eagerly anticipates his future advancements.

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