A novel navigation system using augmented reality technology for distribution work at optical connector panels. - Ikutaro Ogushi; Kazunori Katayama; Yuji Azuma (APNOMS, 2012)

Highly Accurate and Efficient Maintenance Technology for Optical Cables and Utility Poles. - Takashi Goto; Masaki Waki; Kazunori Katayama (OFC, 2018)

Influence of fiber withdrawal during high-power transmission through optical connector with large splice loss. - Chisato Fukai; Yoshiteru Abe; Masaaki Takaya; Ryo Koyama; Kazunori Katayama (OECC/PSC, 2019)

84-fiber MPO connector employing solid refractive index matching material formed on perpendicular polished MT ferrule end. - Yoshiteru Abe; Ryo Koyama; Kazunori Katayama (OFC, 2022)

Multi-Fiber Cylindrical Ferrule for Remote Rotary Optical Fiber Switching. - Chisato Fukai; Yoshiteru Abe; Kazunori Katayama (OFC, 2022)

Optical Tapping with Fresnel Reflection for Optical Fiber Power Monitoring. - Ryo Koyama; Yoshiteru Abe; Kazunori Katayama (OECC/PSC, 2022)

Broadband Transmission Opto-mechanical Switch Based on Cylindrical Ferrule Rotation Switching Using Fiber Bundle Inserted in Ferrule. - Chisato Fukai; Takui Uematsu; Ryo Koyama; Ikutaro Ogushi; Kazunori Katayama (OFC, 2024)