Seiji Hattori

Title: Seiji Hattori: Innovator in Optical Technology

Introduction

Seiji Hattori is a notable inventor based in Toride, Japan. He has made significant contributions to the field of optical technology, particularly through his innovative patent related to optical isolators. His work has implications for various applications in the optical and telecommunications industries.

Latest Patents

Hattori holds a patent for an optical isolator, which is a method of manufacturing an optical isolator that utilizes a rotator capable of rotating a plane of polarization by the Faraday effect. The patent describes a polarizer of multilayer structure formed of alternately superposed transparent dielectric films and films with a complex dielectric constant. The process involves forming the rotator as a large-area plate and the polarizer as a large-area array. The optical isolator array is created by attaching the polarizer array to one surface of the rotator plate, allowing for easy and accurate assembly of optical modules. This innovation results in a compact and lightweight construction, enhancing the efficiency of optical systems.

Career Highlights

Seiji Hattori is associated with Tokyo Electric Co., where he has been instrumental in advancing optical technologies. His work has not only contributed to the company's portfolio but has also positioned him as a key figure in the field of optical engineering.

Collaborations

Hattori has collaborated with notable colleagues such as Shojiro Kawakami and Kazuo Shiraishi. These collaborations have fostered a creative environment that has led to further advancements in optical technologies.

Conclusion

Seiji Hattori's contributions to optical technology, particularly through his patent for an optical isolator, highlight his innovative spirit and dedication to advancing the field. His work continues to influence the development of efficient optical systems.