Inventor

OGAWA HIROKUNI

JP3 patents

Patents

3 patents

US7046872B2May 16, 2006

Optical switch, optical add-drop module, and optical communication system

FUJIKURA LTD6 citations59

US7046881B2May 16, 2006

Manufacturing method for optical coupler/splitter and method for adjusting optical characteristics of planar lightwave circuit device

FUJIKURA LTD5 citations57

US6690852B2Feb 10, 2004

Optical multiplexer/demultiplexer

FUJIKURA LTD3 citations55