Inventor

TAZAWA RYOUICHI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “TAZAWA RYOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NHK SPRING CO LTD

2 patents

US7031569B2Apr 18, 2006

Optical multi-demultiplexer

NHK SPRING CO LTD3 citations60

US6898349B2May 24, 2005

Optical multi-demultiplexer

NHK SPRING CO LTD4 citations60

OMRON TATEISI ELECTRONICS CO

1 patent

US7231118B2Jun 12, 2007

Multichannel array waveguide diffraction grating multiplexer/demultiplexer and method of connecting array waveguide and output waveguide

OMRON TATEISI ELECTRONICS CO0 citations36