Norio Kashima

Title: Norio Kashima: Optical Fiber and Connector Innovations

Introduction

Norio Kashima is an inventor associated with Mito, Japan. His patent work includes innovations in optical fiber alignment and optical connector ferrule construction. He holds 3 patents.

Latest Patents

Kashima’s listed patents address practical challenges in optical communications equipment.

“Apparatus for Aligning Optical Fibers” describes a device for aligning the cores of two optical fibers before they are fused for splicing. The fibers are held in V-shaped recesses on movable supports, and a transparent light-conducting member and photodetector help determine their alignment.

“Optical Connector Ferrule and Process for Production Thereof” concerns improving the bond between a metal sleeve and a ferrule body made from synthetic resin. The sleeve’s rear end is embedded in the resin, and surface irregularities can further strengthen the connection.

Career Highlights

Kashima’s professional affiliations include Nippon Telegraph and Telephone Public Corporation and Sumitomo Electric Industries, Limited. His patent work reflects an emphasis on components and processes used in optical fiber connections.

Collaborations

Among Kashima’s listed coworkers are Toshiaki Kakii and Yasuyaki Kato.

Conclusion

Norio Kashima’s patents focus on improving optical fiber splicing alignment and the durability of optical connector ferrules, contributing to the engineering of optical communications components.