Yoko Yamashita

6 Patents

• US125869732026

  Rare Earth Doped Fiber and Fiber Optic Amplifier

  NTT, Inc.

  0 cites
• US124851052025

  Composition for Suppressing Obesity

  TOKUSHIMA UNIVERSITY

  0 cites
• US124112872025

  Optical Side Input/output Circuit and Optical Connector

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US121744132024

  Long Period Fiber Grating and Optical Transmission System

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US121586072024

  Propagation Mode Loss Difference Compensator

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites
• US119067832024

  Core Position Grasping Method, Connection Method, and Connection Device

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites