Wataru Kubo

Title: Wataru Kubo: Innovator in Optical Technology

Introduction

Wataru Kubo is a prominent inventor based in Saitama-ken, Japan. He has made significant contributions to the field of optical technology, holding a total of 10 patents. His work primarily focuses on the development of advanced optical systems and lenses.

Latest Patents

One of Kubo's latest patents is for an objective lens designed for optical recording and reproducing devices. This innovative lens features positive refractive power and consists of a single lens element with rotationally symmetrical aspherical surfaces. The design ensures that the incident and exit surfaces are symmetrical with respect to a plane perpendicular to the optical axis, enhancing optical performance.

Another notable patent is for an objective optical system for optical pick-up. This single-element objective lens is engineered to converge parallel light rays onto the data recording surface of an optical medium. The lens includes an aspherical surface on the light incident side and another surface that can have either positive or negative power. Kubo's design minimizes paraxial wavefront aberration, achieving a diffraction limit with a numerical aperture of 0.8 or more.

Career Highlights

Throughout his career, Wataru Kubo has worked with several notable companies, including Asahi Kogaku Kogyo Kabushiki Kaisha and Pentax Corporation. His expertise in optical technology has made him a valuable asset in these organizations.

Collaborations

Kubo has collaborated with esteemed colleagues such as Suguru Takishima and Hiroshi Nishikawa. Their combined efforts have contributed to advancements in optical systems and technologies.

Conclusion

Wataru Kubo's innovative work in optical technology has led to significant advancements in the field. His patents reflect a deep understanding of optical systems, and his collaborations with industry professionals further enhance his contributions.