Tetsuhiko Kojima is a prominent inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of liquid-crystalline compounds, holding a total of 13 patents. His work has advanced the understanding and application of liquid-crystalline materials in various technologies.

Latest Patents

Kojima's latest patents include innovative compounds that exhibit unique properties. One of his notable inventions is a series of high-temperature liquid-crystalline ester compounds. These compounds demonstrate a liquid-crystalline phase across a broad temperature range and possess positive dielectric anisotropy. The compounds are expressed by a specific general formula, where R can represent a hydrogen atom or an alkyl group of 1 to 10 carbon atoms.

Another significant patent involves 2-cyano-4-halogenophenyl esters. These new compounds serve as constituents of liquid crystal compositions that exhibit negative dielectric anisotropy. They are characterized by a general formula where R can represent a hydrogen atom, an alkyl group, or an alkoxy group of 1 to 10 carbon atoms.

Career Highlights

Kojima is associated with Chisso Corporation, a company known for its advancements in chemical products and materials. His work at Chisso has allowed him to focus on the development of innovative liquid-crystalline materials that have practical applications in various industries.

Collaborations

Throughout his career, Kojima has collaborated with notable colleagues, including Shigeru Sugimori and Masakazu Tsuji. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Tetsuhiko Kojima's contributions to the field of liquid-crystalline compounds have established him as a key figure in innovation. His patents reflect a commitment to advancing technology through the development of new materials.

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