Takeaki Kumagai

Title: Takeaki Kumagai: Innovator in Optical Technology

Introduction

Takeaki Kumagai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

Kumagai's latest patents include an optical element, a method for manufacturing the same, and an optical apparatus. The optical element features a substrate with an optically effective surface and an optically non-effective surface, complemented by a light shielding film over the non-effective surface. This design incorporates an inclined chamfer and a level chamfer that define a ridge portion, which is coated with an aliphatic hydrocarbon. Another notable patent is for an organic-inorganic composite molded product, which consists of a mixed material including poly(methyl methacrylate) and surface-treated inorganic fine particles. This innovation achieves a low coefficient of linear expansion, making it suitable for various applications.

Career Highlights

Kumagai is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to push the boundaries of optical technology and contribute to advancements in the field.

Collaborations

Some of Kumagai's notable coworkers include Shuhei Yamamoto and Norihiko Ochi. Their collaboration has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Takeaki Kumagai's contributions to optical technology through his patents and work at Canon highlight his role as a key innovator in the industry. His advancements continue to influence the field and inspire future developments in optical applications.