IP Library › Granted Patent US 6,404,525
Granted Patent Utility
US 6,404,525 · App. 09/123,529

Optical add-drop multiplexer

Inventors: Hirofumi Shimomura, Naoya Henmi, Hitoshi Takeshita
Patented Case View Patent ↗
Granted: Jun 11, 2002 Filed: Jul 28, 1998
Inventors
Hirofumi Shimomura
Naoya Henmi
Hitoshi Takeshita
Assignee (at issue)
NEC CORPORATION

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Quick Facts
Patent No.
US 6,404,525
App. No.
09/123,529
Filed
1998-07-28
Granted
2002-06-11
Kind
B1