Tetsuya Katayama

Title: Tetsuya Katayama: Innovator in Optical Technologies

Introduction

Tetsuya Katayama is a prominent inventor based in Itami, Japan. He has made significant contributions to the field of optical technologies, holding a total of 7 patents. His work focuses on innovative materials and devices that enhance optical performance.

Latest Patents

Among his latest patents is the development of a Si-O containing hydrogenated carbon film. This optical film exhibits a refractive index ranging from at least 1.48 to at most 1.85 for light at a wavelength of 520 nm. Additionally, it has an extinction coefficient of less than 0.15 for light at 248 nm. The refractive index and extinction coefficient can be decreased through energy beam irradiation. This technology enables the creation of various optical elements and devices. Another notable patent involves a dynamic-pressure gas bearing structure, which includes a sleeve and a column-like shaft fitted to the sleeve. This structure features shallow grooves on the shaft's outer surface, enhancing its performance in optical deflection scanning apparatuses.

Career Highlights

Tetsuya Katayama has worked with renowned companies such as Sumitomo Electric Industries and Canon. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in optical technologies.

Collaborations

Throughout his career, Katayama has collaborated with notable colleagues, including Osamu Komura and Kenji Matsunuma. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Tetsuya Katayama's contributions to optical technologies through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative work continues to influence the development of advanced optical devices and materials.