Tsunehito Eda

Title: Tsunehito Eda: Patents in Near-Infrared-Absorbing Materials.

Introduction

Tsunehito Eda is an inventor associated with Osaka, Japan, and has worked with Mitsui Chemicals, Inc. and Yamamoto Chemicals, Inc. His patent work includes compounds designed to absorb near-infrared light and convert light into heat. The available information lists 2 patents for Eda.

Latest Patents

Eda’s listed patents concern diiminoisoindoline compounds and phthalocyanine compounds, their intermediates, and methods for producing them. The descriptions focus on phthalocyanine compounds that absorb near-infrared radiation with a high absorption coefficient, dissolve readily in solvents, are compatible with resins, and resist aging.

The described compounds are intended for use in near-infrared-absorbing materials and light-to-heat conversion materials. Their general formula allows for different substituents and metal components, including hydrogen atoms, divalent metals, and derivatives of trivalent or tetravalent metals.

Career Highlights

Eda’s listed patent activity reflects work on the preparation and potential applications of specialized chemical materials. The stated properties of these compounds may support their use in systems that absorb near-infrared light or convert light energy into heat.

Collaborations

Toshihiro Masaoka and Shigeo Fujita are identified as Eda’s coworkers. His listed company affiliations are Mitsui Chemicals, Inc. and Yamamoto Chemicals, Inc.

Conclusion

Tsunehito Eda’s patent record centers on phthalocyanine chemistry and materials for near-infrared absorption and light-to-heat conversion, with applications shaped by their solubility, resin compatibility, and aging resistance.