Hideo Negawa is a prominent inventor based in Shiga, Japan, known for his contributions to the field of materials science. With a total of five patents to his name, he has made significant advancements in the development of polyolefin resin compositions and infrared absorbing films.

Latest Patents

Negawa's latest patents include a polyolefin resin composition and an innovative infrared absorbing film that boasts improved transparency. This film comprises a synthetic resin and silicon oxide, with the silicon oxide utilized in an amount ranging from about 2% to about 25% by weight based on the synthetic resin. The silicon oxide is produced through underwater grinding, resulting in an average particle size of not more than 4 micrometers, and is substantially free of particles exceeding 20 micrometers in average particle size. Additionally, it has a specific surface area of not more than 20 m²/g. The film may also include a transparent resin layer formed over at least one surface.

Career Highlights

Negawa is currently employed at Sumitomo Chemical Company, Limited, where he continues to push the boundaries of innovation in material applications. His work has garnered attention for its practical implications in various industries, particularly in enhancing the performance of films used in diverse applications.

Collaborations

Throughout his career, Negawa has collaborated with notable colleagues, including Kozo Kotani and Shuji Kitamura. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Hideo Negawa's innovative work in infrared absorbing films and resin compositions highlights his significant role in advancing material science. His contributions continue to impact various industries, showcasing the importance of innovation in technology.

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