Chisami Ishida

Title: Chisami Ishida: Innovator in Optical Technology

Introduction

Chisami Ishida is a notable inventor based in Kitakyushu, Japan. She has made significant contributions to the field of optical technology, particularly with her innovative designs and patents. Her work has garnered attention for its practical applications in optical receptacles.

Latest Patents

Chisami Ishida holds a patent for a "Ferrule holding member for an optical receptacle, method of manufacturing the same, and optical receptacle using the same." This invention provides a ferrule holding member with a transparent body attached to an inner hole of a sleeve. The transparent body features a primary end face that contacts the end face of a plug ferrule at a halfway position in the axial direction of the sleeve. The primary end face has a convex curved surface obtained through heat treatment, which is preferably unpolished. A specific region with a radius of 75 µm or more, centered around the shaft axis of the sleeve at the convex curved surface, has a convex spherical surface. Alternatively, the transparent body can be directly fixed to the inner surface of the sleeve through heat treatment.

Career Highlights

Throughout her career, Chisami Ishida has worked with prominent companies such as Toto Ltd. and Nippon Electric Glass Co., Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to advancements in optical technology.

Collaborations

Chisami has collaborated with notable coworkers, including Hirokazu Takeuchi and Masanori Wada. These partnerships have played a crucial role in her innovative endeavors and have helped her achieve her patent milestones.

Conclusion

Chisami Ishida is a pioneering inventor whose work in optical technology has led to significant advancements in the field. Her patent for a ferrule holding member exemplifies her innovative spirit and dedication to improving optical receptacles.