Hidefumi Odaka

Title: **The Innovations of Hidefumi Odaka**

Introduction

Hidefumi Odaka is a notable inventor based in Chiyoda-ku, Japan, recognized for his significant contributions to the field of electrochromic technology. With a total of six patents to his name, Odaka has played a pivotal role in developing new methods and materials that enhance the performance and efficiency of electrochromic dimmer elements.

Latest Patents

One of Hidefumi Odaka's latest patents is for a laminated substrate designed specifically for electrochromic dimmer elements. This innovative substrate features a glass component that consists of a combination of silicon oxide, aluminum oxide, boron oxide, alkaline earth metal oxide, and alkali metal oxide, making up at least 90 mol %. Importantly, this glass substrate incorporates alkali metal oxide at a total amount of 12 mol % or less. Additionally, the patent details a transparent conductive film made of an indium oxide film that contains tin, layered with a tin oxide film mixed with tantalum, antimony, or fluorine. The unique properties of these films, particularly at a wavelength of 1.3 µm, enhance the functionality of the electrochromic elements.

Another of his noteworthy patents describes a substrate with a conductive film. This innovative substrate comprises a base material and a film of conductive metal oxide. The film is distinguished by two regions: a first region with standard electric resistance and a second region, which has higher resistance and is characterized by a structure of cellular sections surrounded by fine cracks.

Career Highlights

Throughout his career, Hidefumi Odaka has been associated with prominent companies such as Asahi Glass Company, Limited and AGC Inc. His work within these organizations has helped pave the way for advancements in materials technology, particularly in applications of electrochromic systems.

Collaborations

Odaka has collaborated with esteemed colleagues including Nobuhiro Nakamura and Kenji Imakita. Their teamwork has fostered an environment of innovation, allowing them to push the boundaries of existing technologies and contribute significantly to the industry.

Conclusion

Hidefumi Odaka stands out as a leading figure in the realm of electrochromic technology. His six patents reflect an ongoing commitment to innovation and improvement in the functionality of electrochromic elements. Through his work and collaborations, Odaka continues to influence advancements in this critical area of technology, driving progress and shaping the future of sustainable glass solutions.