Yoshiaki Minakawa

Title: Yoshiaki Minakawa: Innovator in Optical Technologies

Introduction

Yoshiaki Minakawa is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of optical technologies, holding a total of 5 patents. His work focuses on developing advanced optical systems that enhance the performance of various optical devices.

Latest Patents

Minakawa's latest patents include an optical pickup system, an optical head, an optical disk apparatus, and an objective lens. The optical pickup system is designed for reading information from three types of optical recording media. It features a wavelength selective filter that has an outer area to shield one light beam while allowing all other light beams to pass through. Additionally, the system includes an objective lens that focuses each light beam on its respective light recording medium. Another notable invention is the imaging lens unit, which consists of a first lens with a meniscus shape, an aperture stop, and a second lens, also with a meniscus shape. The design of these lenses ensures optimal performance with specific tangent angle values.

Career Highlights

Yoshiaki Minakawa is currently employed at Hitachi Maxell, Limited, where he continues to innovate in the field of optical technologies. His work has been instrumental in advancing the capabilities of optical devices, making them more efficient and effective.

Collaborations

Minakawa has collaborated with notable colleagues such as Yasuyuki Sugi and Tsuyoshi Maro. Their combined expertise has contributed to the successful development of various optical technologies.

Conclusion

Yoshiaki Minakawa is a key figure in the realm of optical innovations, with a focus on enhancing optical systems through his patented inventions. His contributions continue to shape the future of optical technology.